Karsten Hahn struppigel
struppigel
/ dedosfuscator.py
Created
July 26, 2018 16:41
Deobfuscates Batch script in https://www.gdatasoftware.com/blog/2018/07/30924-g-data-analysis-discovers-dosfuscation-in-the-wild
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| import sys | |
| import re | |
| if len(sys.argv) <= 1: exit() | |
| scriptpath = sys.argv[1] | |
| with open(scriptpath, 'r') as scriptfile: | |
| script = scriptfile.read().replace('^', '') | |
| p = re.compile('\([Ss][Ee][Tt][^=]+=([^&]+)&&') | |
| s = p.search(script) |
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| Petna / Eternalblue Petya | |
| ------------------------- | |
| Hashes: | |
| Main DLL: 027cc450ef5f8c5f653329641ec1fed91f694e0d229928963b30f6b0d7d3a745 | |
| Hashes below via McAfee article: https://securingtomorrow.mcafee.com/mcafee-labs/new-variant-petya-ransomware-spreading-like-wildfire/ | |
| Main DLL: 64b0b58a2c030c77fdb2b537b2fcc4af432bc55ffb36599a31d418c7c69e94b1 | |
| PSEXEC.EXE: f8dbabdfa03068130c277ce49c60e35c029ff29d9e3c74c362521f3fb02670d5 | |
| 64-bit EXE: 02ef73bd2458627ed7b397ec26ee2de2e92c71a0e7588f78734761d8edbdcd9f | |
| 32-bit EXE: eae9771e2eeb7ea3c6059485da39e77b8c0c369232f01334954fbac1c186c998 |