Analysis
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max time kernel
93s -
max time network
94s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
27-05-2024 19:15
Static task
static1
Behavioral task
behavioral1
Sample
a6dc82722bd8dea7d2f969094c178967eb590fb08c260e7a5c00e7f69489b35f.exe
Resource
win10v2004-20240426-en
General
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Target
a6dc82722bd8dea7d2f969094c178967eb590fb08c260e7a5c00e7f69489b35f.exe
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Size
345KB
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MD5
870fde4ecb883ea981f9f7edb90e4d83
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SHA1
9570185a599c1423f9dc389536300d4d138dea21
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SHA256
a6dc82722bd8dea7d2f969094c178967eb590fb08c260e7a5c00e7f69489b35f
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SHA512
409f04049daeb75d092fccfbafb494c7fb4f8a0d7fb21f3285d5526b52ba9bad393c40ec7e5a2a468d717a39f6fc2ffb236c143a792211410fd07723e8518967
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SSDEEP
6144:ZpvCQ3CKPlL6+iEG6WnAB+pcNdMEGZWrLT/:7vCQSiWgGBmNdMBo
Malware Config
Extracted
gcleaner
185.172.128.90
5.42.64.56
185.172.128.69
Signatures
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Downloads MZ/PE file
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
a6dc82722bd8dea7d2f969094c178967eb590fb08c260e7a5c00e7f69489b35f.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\Control Panel\International\Geo\Nation a6dc82722bd8dea7d2f969094c178967eb590fb08c260e7a5c00e7f69489b35f.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 10 IoCs
Processes:
WerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exepid pid_target process target process 3444 4052 WerFault.exe a6dc82722bd8dea7d2f969094c178967eb590fb08c260e7a5c00e7f69489b35f.exe 2028 4052 WerFault.exe a6dc82722bd8dea7d2f969094c178967eb590fb08c260e7a5c00e7f69489b35f.exe 3660 4052 WerFault.exe a6dc82722bd8dea7d2f969094c178967eb590fb08c260e7a5c00e7f69489b35f.exe 3672 4052 WerFault.exe a6dc82722bd8dea7d2f969094c178967eb590fb08c260e7a5c00e7f69489b35f.exe 1848 4052 WerFault.exe a6dc82722bd8dea7d2f969094c178967eb590fb08c260e7a5c00e7f69489b35f.exe 3976 4052 WerFault.exe a6dc82722bd8dea7d2f969094c178967eb590fb08c260e7a5c00e7f69489b35f.exe 4248 4052 WerFault.exe a6dc82722bd8dea7d2f969094c178967eb590fb08c260e7a5c00e7f69489b35f.exe 4124 4052 WerFault.exe a6dc82722bd8dea7d2f969094c178967eb590fb08c260e7a5c00e7f69489b35f.exe 4384 4052 WerFault.exe a6dc82722bd8dea7d2f969094c178967eb590fb08c260e7a5c00e7f69489b35f.exe 3484 4052 WerFault.exe a6dc82722bd8dea7d2f969094c178967eb590fb08c260e7a5c00e7f69489b35f.exe -
Kills process with taskkill 1 IoCs
Processes:
taskkill.exepid process 2212 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
taskkill.exedescription pid process Token: SeDebugPrivilege 2212 taskkill.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
a6dc82722bd8dea7d2f969094c178967eb590fb08c260e7a5c00e7f69489b35f.execmd.exedescription pid process target process PID 4052 wrote to memory of 3096 4052 a6dc82722bd8dea7d2f969094c178967eb590fb08c260e7a5c00e7f69489b35f.exe cmd.exe PID 4052 wrote to memory of 3096 4052 a6dc82722bd8dea7d2f969094c178967eb590fb08c260e7a5c00e7f69489b35f.exe cmd.exe PID 4052 wrote to memory of 3096 4052 a6dc82722bd8dea7d2f969094c178967eb590fb08c260e7a5c00e7f69489b35f.exe cmd.exe PID 3096 wrote to memory of 2212 3096 cmd.exe taskkill.exe PID 3096 wrote to memory of 2212 3096 cmd.exe taskkill.exe PID 3096 wrote to memory of 2212 3096 cmd.exe taskkill.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\a6dc82722bd8dea7d2f969094c178967eb590fb08c260e7a5c00e7f69489b35f.exe"C:\Users\Admin\AppData\Local\Temp\a6dc82722bd8dea7d2f969094c178967eb590fb08c260e7a5c00e7f69489b35f.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4052 -s 4522⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4052 -s 7642⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4052 -s 7842⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4052 -s 7842⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4052 -s 8442⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4052 -s 9162⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4052 -s 9322⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4052 -s 10362⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4052 -s 16802⤵
- Program crash
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im "a6dc82722bd8dea7d2f969094c178967eb590fb08c260e7a5c00e7f69489b35f.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\a6dc82722bd8dea7d2f969094c178967eb590fb08c260e7a5c00e7f69489b35f.exe" & exit2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\taskkill.exetaskkill /im "a6dc82722bd8dea7d2f969094c178967eb590fb08c260e7a5c00e7f69489b35f.exe" /f3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4052 -s 4922⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4052 -ip 40521⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 4052 -ip 40521⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 4052 -ip 40521⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 4052 -ip 40521⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 4052 -ip 40521⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 4052 -ip 40521⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 4052 -ip 40521⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 580 -p 4052 -ip 40521⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 588 -p 4052 -ip 40521⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 4052 -ip 40521⤵
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\TF1TYUIH\advdlc[1].htmFilesize
1B
MD5cfcd208495d565ef66e7dff9f98764da
SHA1b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA2565feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA51231bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99
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memory/4052-2-0x0000000003BE0000-0x0000000003C1C000-memory.dmpFilesize
240KB
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memory/4052-1-0x00000000020E0000-0x00000000021E0000-memory.dmpFilesize
1024KB
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memory/4052-3-0x0000000000400000-0x0000000000440000-memory.dmpFilesize
256KB
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memory/4052-8-0x0000000010000000-0x000000001001C000-memory.dmpFilesize
112KB
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memory/4052-15-0x0000000000400000-0x0000000001FA2000-memory.dmpFilesize
27.6MB
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memory/4052-18-0x00000000020E0000-0x00000000021E0000-memory.dmpFilesize
1024KB
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memory/4052-22-0x0000000003BE0000-0x0000000003C1C000-memory.dmpFilesize
240KB
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memory/4052-24-0x0000000000400000-0x0000000000440000-memory.dmpFilesize
256KB
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memory/4052-34-0x0000000000400000-0x0000000001FA2000-memory.dmpFilesize
27.6MB
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memory/4052-36-0x0000000000400000-0x0000000000440000-memory.dmpFilesize
256KB
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memory/4052-35-0x0000000000400000-0x0000000001FA2000-memory.dmpFilesize
27.6MB