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Analysis
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max time kernel
287s -
max time network
316s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
01/12/2022, 09:19
Static task
static1
Behavioral task
behavioral1
Sample
df387bd1d2d554dd0e44d283de11c67498f7f7ceae908bbb59175afea575b3bf.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
df387bd1d2d554dd0e44d283de11c67498f7f7ceae908bbb59175afea575b3bf.exe
Resource
win10v2004-20221111-en
General
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Target
df387bd1d2d554dd0e44d283de11c67498f7f7ceae908bbb59175afea575b3bf.exe
-
Size
246KB
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MD5
c7d9058fdbc692812487b955d143afdf
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SHA1
71a523c4b60e1da96240ab3fa666924bc78a7ad5
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SHA256
df387bd1d2d554dd0e44d283de11c67498f7f7ceae908bbb59175afea575b3bf
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SHA512
8ead623e139ecaf497a4bb7fd17c35ecb4ef84d97e68a4a6edd2d8262ef28547778e00fb4eead7bb4a513487044a055b5b1c0eeb71a6c84049e706bedfb7ab75
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SSDEEP
6144:ih/W35vSV6Bui97AdB+xgf7Oy7tJlL3aVXGT2p3wZWv:JJv6i976HfN7rl2VXPp3E
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\userinit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\AppData\\Local\\Temp\\DF387B~1.EXE," df387bd1d2d554dd0e44d283de11c67498f7f7ceae908bbb59175afea575b3bf.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\userinit = "C:\\Users\\Admin\\AppData\\Local\\Temp\\DF387B~1.EXE" df387bd1d2d554dd0e44d283de11c67498f7f7ceae908bbb59175afea575b3bf.exe -
Modifies WinLogon 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\dc89aa8b = "žo\x10Pq§ÏŽ‚„Iø\u00adâ £LÔ\x11cÚ]žÂªÆÕ^ª6O™µ\x11Ð+ÁrÒï`?VàQ9O.~Yœ0€™FÔ”5F˜£\v'PmùC%ô\x1dä)g‰Ÿ9ç\f|öÏÿxk\x03¢±ß`\x10%p\x05Q8\x17N\x12à£îÙ~\nµÜ²\x05¤’%\f5â\x1a2-4²*4ÜuÄ\x06eÊ\n…\x04Mj\x16Tr\x14¥Ízì²*\x12¢teU-4ò$¢îþršzúµTmÊdF\x02\u00ad®Z%ŒT,\x14\x1euöd\u00adLm<ýâÞ\x1dÜ\\ušn¼êmÚtüÆ\fVš¥Îüµ\x04ê¢ú}Õ½.êT•æ´4ÚìúrJ¢¬êê4½2þæB\x1c´ê:ÍrÔ®î\x04Œò$$õºU’Ú\fåJ¬öJÖÍ" df387bd1d2d554dd0e44d283de11c67498f7f7ceae908bbb59175afea575b3bf.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\System = "C:\\Users\\Admin\\AppData\\Local\\Temp\\DF387B~1.EXE" df387bd1d2d554dd0e44d283de11c67498f7f7ceae908bbb59175afea575b3bf.exe -
Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 3756 df387bd1d2d554dd0e44d283de11c67498f7f7ceae908bbb59175afea575b3bf.exe 3756 df387bd1d2d554dd0e44d283de11c67498f7f7ceae908bbb59175afea575b3bf.exe 3756 df387bd1d2d554dd0e44d283de11c67498f7f7ceae908bbb59175afea575b3bf.exe 3756 df387bd1d2d554dd0e44d283de11c67498f7f7ceae908bbb59175afea575b3bf.exe 3756 df387bd1d2d554dd0e44d283de11c67498f7f7ceae908bbb59175afea575b3bf.exe 3756 df387bd1d2d554dd0e44d283de11c67498f7f7ceae908bbb59175afea575b3bf.exe 3756 df387bd1d2d554dd0e44d283de11c67498f7f7ceae908bbb59175afea575b3bf.exe 3756 df387bd1d2d554dd0e44d283de11c67498f7f7ceae908bbb59175afea575b3bf.exe 3756 df387bd1d2d554dd0e44d283de11c67498f7f7ceae908bbb59175afea575b3bf.exe 3756 df387bd1d2d554dd0e44d283de11c67498f7f7ceae908bbb59175afea575b3bf.exe 3756 df387bd1d2d554dd0e44d283de11c67498f7f7ceae908bbb59175afea575b3bf.exe 3756 df387bd1d2d554dd0e44d283de11c67498f7f7ceae908bbb59175afea575b3bf.exe 3756 df387bd1d2d554dd0e44d283de11c67498f7f7ceae908bbb59175afea575b3bf.exe 3756 df387bd1d2d554dd0e44d283de11c67498f7f7ceae908bbb59175afea575b3bf.exe 3756 df387bd1d2d554dd0e44d283de11c67498f7f7ceae908bbb59175afea575b3bf.exe 3756 df387bd1d2d554dd0e44d283de11c67498f7f7ceae908bbb59175afea575b3bf.exe 3756 df387bd1d2d554dd0e44d283de11c67498f7f7ceae908bbb59175afea575b3bf.exe 3756 df387bd1d2d554dd0e44d283de11c67498f7f7ceae908bbb59175afea575b3bf.exe 3756 df387bd1d2d554dd0e44d283de11c67498f7f7ceae908bbb59175afea575b3bf.exe 3756 df387bd1d2d554dd0e44d283de11c67498f7f7ceae908bbb59175afea575b3bf.exe 3756 df387bd1d2d554dd0e44d283de11c67498f7f7ceae908bbb59175afea575b3bf.exe 3756 df387bd1d2d554dd0e44d283de11c67498f7f7ceae908bbb59175afea575b3bf.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeSecurityPrivilege 3756 df387bd1d2d554dd0e44d283de11c67498f7f7ceae908bbb59175afea575b3bf.exe Token: SeSecurityPrivilege 3756 df387bd1d2d554dd0e44d283de11c67498f7f7ceae908bbb59175afea575b3bf.exe Token: SeSecurityPrivilege 3756 df387bd1d2d554dd0e44d283de11c67498f7f7ceae908bbb59175afea575b3bf.exe Token: SeSecurityPrivilege 3756 df387bd1d2d554dd0e44d283de11c67498f7f7ceae908bbb59175afea575b3bf.exe -
Suspicious use of UnmapMainImage 1 IoCs
pid Process 3756 df387bd1d2d554dd0e44d283de11c67498f7f7ceae908bbb59175afea575b3bf.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\df387bd1d2d554dd0e44d283de11c67498f7f7ceae908bbb59175afea575b3bf.exe"C:\Users\Admin\AppData\Local\Temp\df387bd1d2d554dd0e44d283de11c67498f7f7ceae908bbb59175afea575b3bf.exe"1⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- Modifies WinLogon
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3756