Analysis
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max time kernel
91s -
max time network
171s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
31/12/2023, 19:49
Static task
static1
Behavioral task
behavioral1
Sample
3ae6b80dee1f42d945e9d16fefed6d8d.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
3ae6b80dee1f42d945e9d16fefed6d8d.exe
Resource
win10v2004-20231215-en
General
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Target
3ae6b80dee1f42d945e9d16fefed6d8d.exe
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Size
161KB
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MD5
3ae6b80dee1f42d945e9d16fefed6d8d
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SHA1
e52db7f461133ec85045115391c8574864929453
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SHA256
5155b9b87652d05e1b6943c7f28aa0081b472e0456f21f9d087d1d1d65254f25
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SHA512
3f3c64697bdf4a3f78c4e00940daf391e7e237509a4dbd1a7e5af9897ef60978553ceb488860123227c4b561673424d44c6d3b13ccbe51986df8d2ba10111abb
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SSDEEP
3072:hwv/WFu2OIYNV/7Ua+R9cn2o43NzmXvoWDDGKjJWHZQKk9Sth:hwXW8nZ/ocn2oqNy/1hWc
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 2700 cmd.exe -
Executes dropped EXE 2 IoCs
pid Process 1264 Explorer.EXE 468 services.exe -
Registers COM server for autorun 1 TTPs 4 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000_CLASSES\CLSID\{42aedc87-2188-41fd-b9a3-0c966feabec1}\InprocServer32 3ae6b80dee1f42d945e9d16fefed6d8d.exe Set value (str) \REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000_CLASSES\CLSID\{42aedc87-2188-41fd-b9a3-0c966feabec1}\InprocServer32\ThreadingModel = "Both" 3ae6b80dee1f42d945e9d16fefed6d8d.exe Set value (str) \REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000_CLASSES\CLSID\{42aedc87-2188-41fd-b9a3-0c966feabec1}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\{19350fc2-aa90-f613-4bf0-85f7eee99382}\\n." 3ae6b80dee1f42d945e9d16fefed6d8d.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{F3130CDB-AA52-4C3A-AB32-85FFC23AF9C1}\InprocServer32\ = "\\\\.\\globalroot\\systemroot\\Installer\\{19350fc2-aa90-f613-4bf0-85f7eee99382}\\n." 3ae6b80dee1f42d945e9d16fefed6d8d.exe -
Unexpected DNS network traffic destination 9 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description ioc Destination IP 83.133.123.20 Destination IP 83.133.123.20 Destination IP 83.133.123.20 Destination IP 83.133.123.20 Destination IP 83.133.123.20 Destination IP 83.133.123.20 Destination IP 83.133.123.20 Destination IP 83.133.123.20 Destination IP 83.133.123.20 -
Drops desktop.ini file(s) 2 IoCs
description ioc Process File created \systemroot\assembly\GAC_64\Desktop.ini services.exe File created \systemroot\assembly\GAC_32\Desktop.ini services.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1456 set thread context of 2700 1456 3ae6b80dee1f42d945e9d16fefed6d8d.exe 30 -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\Installer\{19350fc2-aa90-f613-4bf0-85f7eee99382}\n 3ae6b80dee1f42d945e9d16fefed6d8d.exe File created C:\Windows\Installer\{19350fc2-aa90-f613-4bf0-85f7eee99382}\@ 3ae6b80dee1f42d945e9d16fefed6d8d.exe -
Modifies registry class 6 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000_CLASSES\clsid 3ae6b80dee1f42d945e9d16fefed6d8d.exe Key created \REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000_CLASSES\CLSID\{42aedc87-2188-41fd-b9a3-0c966feabec1} 3ae6b80dee1f42d945e9d16fefed6d8d.exe Key created \REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000_CLASSES\CLSID\{42aedc87-2188-41fd-b9a3-0c966feabec1}\InprocServer32 3ae6b80dee1f42d945e9d16fefed6d8d.exe Set value (str) \REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000_CLASSES\CLSID\{42aedc87-2188-41fd-b9a3-0c966feabec1}\InprocServer32\ThreadingModel = "Both" 3ae6b80dee1f42d945e9d16fefed6d8d.exe Set value (str) \REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000_CLASSES\CLSID\{42aedc87-2188-41fd-b9a3-0c966feabec1}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\{19350fc2-aa90-f613-4bf0-85f7eee99382}\\n." 3ae6b80dee1f42d945e9d16fefed6d8d.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{F3130CDB-AA52-4C3A-AB32-85FFC23AF9C1}\InprocServer32\ = "\\\\.\\globalroot\\systemroot\\Installer\\{19350fc2-aa90-f613-4bf0-85f7eee99382}\\n." 3ae6b80dee1f42d945e9d16fefed6d8d.exe -
Suspicious behavior: EnumeratesProcesses 7 IoCs
pid Process 1456 3ae6b80dee1f42d945e9d16fefed6d8d.exe 1456 3ae6b80dee1f42d945e9d16fefed6d8d.exe 1456 3ae6b80dee1f42d945e9d16fefed6d8d.exe 1456 3ae6b80dee1f42d945e9d16fefed6d8d.exe 1456 3ae6b80dee1f42d945e9d16fefed6d8d.exe 1456 3ae6b80dee1f42d945e9d16fefed6d8d.exe 468 services.exe -
Suspicious use of AdjustPrivilegeToken 8 IoCs
description pid Process Token: SeDebugPrivilege 1456 3ae6b80dee1f42d945e9d16fefed6d8d.exe Token: SeDebugPrivilege 1456 3ae6b80dee1f42d945e9d16fefed6d8d.exe Token: SeDebugPrivilege 1456 3ae6b80dee1f42d945e9d16fefed6d8d.exe Token: SeDebugPrivilege 468 services.exe Token: SeBackupPrivilege 468 services.exe Token: SeRestorePrivilege 468 services.exe Token: SeSecurityPrivilege 468 services.exe Token: SeTakeOwnershipPrivilege 468 services.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1456 wrote to memory of 1264 1456 3ae6b80dee1f42d945e9d16fefed6d8d.exe 11 PID 1456 wrote to memory of 1264 1456 3ae6b80dee1f42d945e9d16fefed6d8d.exe 11 PID 1456 wrote to memory of 468 1456 3ae6b80dee1f42d945e9d16fefed6d8d.exe 2 PID 1456 wrote to memory of 2700 1456 3ae6b80dee1f42d945e9d16fefed6d8d.exe 30 PID 1456 wrote to memory of 2700 1456 3ae6b80dee1f42d945e9d16fefed6d8d.exe 30 PID 1456 wrote to memory of 2700 1456 3ae6b80dee1f42d945e9d16fefed6d8d.exe 30 PID 1456 wrote to memory of 2700 1456 3ae6b80dee1f42d945e9d16fefed6d8d.exe 30 PID 1456 wrote to memory of 2700 1456 3ae6b80dee1f42d945e9d16fefed6d8d.exe 30
Processes
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C:\Windows\system32\services.exeC:\Windows\system32\services.exe1⤵
- Executes dropped EXE
- Drops desktop.ini file(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:468
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Executes dropped EXE
PID:1264 -
C:\Users\Admin\AppData\Local\Temp\3ae6b80dee1f42d945e9d16fefed6d8d.exe"C:\Users\Admin\AppData\Local\Temp\3ae6b80dee1f42d945e9d16fefed6d8d.exe"2⤵
- Registers COM server for autorun
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1456 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe"3⤵
- Deletes itself
PID:2700
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
42KB
MD5bfa0c9ec67cd0f1b2dabfc7777aae294
SHA1c15a4686bda91546e4c3abba58530423c40da3dc
SHA256f3a8ac1721abb9068c5c281dafeaebdf3a66f96954c9e882ef71dee9c44bc585
SHA512e2e7b989e17dcf2f0c2b93e53671a6f34230b31b0daa152fd9ec84aa14055b1350960d5dbc7da02a03d4eda7c68f9082f6c8be053ec56c0bed5b2bd0ef38556f
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Filesize
2KB
MD5d3a1d229ddf85ac1856f00413edc84a3
SHA13ffe01d8c259f7b2dd13fffc5d2335f96b579ea9
SHA25638c22c1185a8948cd0c7ba79bcad4e92f58977b50c8d1f2d263693783b4eac20
SHA512689f2e2a19199f8eb50466e32d28b7aae26e6ad92eabb3bab7775577bffb2faac0164b32df8a0c6be269943cb8b629dbd9565aed78319b2e72503a43b9e24029