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Analysis
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max time kernel
22s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
24/12/2023, 15:01
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
02af3d92d91868e43816176f863198c0.exe
Resource
win7-20231215-en
windows7-x64
12 signatures
150 seconds
Behavioral task
behavioral2
Sample
02af3d92d91868e43816176f863198c0.exe
Resource
win10v2004-20231215-en
windows10-2004-x64
11 signatures
150 seconds
General
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Target
02af3d92d91868e43816176f863198c0.exe
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Size
1.9MB
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MD5
02af3d92d91868e43816176f863198c0
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SHA1
31f1e1714679c01d4d2907dadc581f2d33d75a6f
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SHA256
790518417aa8fab82b5a25c12a0ccc6b2c72be5a57ecd4b1e95e03d36c10a16e
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SHA512
e12968bb76d828628665788f4b1a17a31d1c9132c6055d406694a3f2052b90c8f373f1663b9281bd8e0696dbb07b0caab27c4b8b64a8bafece17eaf0f5b1a6a0
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SSDEEP
24576:9JeJfAqkjp98zHpieds4w2Dsj1dEcBcA9nPno/igr1:7eJfAJGpLDw2De1WcTnPTM
Score
10/10
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe regsvr.exe" 02af3d92d91868e43816176f863198c0.exe -
Disables RegEdit via registry modification 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" 02af3d92d91868e43816176f863198c0.exe -
Disables Task Manager via registry modification
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Msn Messsenger = "C:\\Windows\\system32\\regsvr.exe" 02af3d92d91868e43816176f863198c0.exe -
Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\h: 02af3d92d91868e43816176f863198c0.exe File opened (read-only) \??\k: 02af3d92d91868e43816176f863198c0.exe File opened (read-only) \??\t: 02af3d92d91868e43816176f863198c0.exe File opened (read-only) \??\z: 02af3d92d91868e43816176f863198c0.exe File opened (read-only) \??\b: 02af3d92d91868e43816176f863198c0.exe File opened (read-only) \??\e: 02af3d92d91868e43816176f863198c0.exe File opened (read-only) \??\o: 02af3d92d91868e43816176f863198c0.exe File opened (read-only) \??\r: 02af3d92d91868e43816176f863198c0.exe File opened (read-only) \??\w: 02af3d92d91868e43816176f863198c0.exe File opened (read-only) \??\x: 02af3d92d91868e43816176f863198c0.exe File opened (read-only) \??\y: 02af3d92d91868e43816176f863198c0.exe File opened (read-only) \??\a: 02af3d92d91868e43816176f863198c0.exe File opened (read-only) \??\g: 02af3d92d91868e43816176f863198c0.exe File opened (read-only) \??\i: 02af3d92d91868e43816176f863198c0.exe File opened (read-only) \??\m: 02af3d92d91868e43816176f863198c0.exe File opened (read-only) \??\n: 02af3d92d91868e43816176f863198c0.exe File opened (read-only) \??\p: 02af3d92d91868e43816176f863198c0.exe File opened (read-only) \??\u: 02af3d92d91868e43816176f863198c0.exe File opened (read-only) \??\v: 02af3d92d91868e43816176f863198c0.exe File opened (read-only) \??\j: 02af3d92d91868e43816176f863198c0.exe File opened (read-only) \??\l: 02af3d92d91868e43816176f863198c0.exe File opened (read-only) \??\q: 02af3d92d91868e43816176f863198c0.exe File opened (read-only) \??\s: 02af3d92d91868e43816176f863198c0.exe -
AutoIT Executable 2 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule behavioral2/memory/2212-0-0x0000000000400000-0x00000000004B8000-memory.dmp autoit_exe behavioral2/files/0x000600000002322e-7.dat autoit_exe -
Drops file in System32 directory 8 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\28463 02af3d92d91868e43816176f863198c0.exe File created C:\Windows\SysWOW64\regsvr.exe 02af3d92d91868e43816176f863198c0.exe File opened for modification C:\Windows\SysWOW64\regsvr.exe 02af3d92d91868e43816176f863198c0.exe File created C:\Windows\SysWOW64\svchost .exe 02af3d92d91868e43816176f863198c0.exe File opened for modification C:\Windows\SysWOW64\svchost .exe 02af3d92d91868e43816176f863198c0.exe File opened for modification C:\Windows\SysWOW64\setup.ini 02af3d92d91868e43816176f863198c0.exe File created C:\Windows\SysWOW64\setting.ini 02af3d92d91868e43816176f863198c0.exe File opened for modification C:\Windows\SysWOW64\setting.ini 02af3d92d91868e43816176f863198c0.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\regsvr.exe 02af3d92d91868e43816176f863198c0.exe File opened for modification C:\Windows\regsvr.exe 02af3d92d91868e43816176f863198c0.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2212 02af3d92d91868e43816176f863198c0.exe 2212 02af3d92d91868e43816176f863198c0.exe 2212 02af3d92d91868e43816176f863198c0.exe 2212 02af3d92d91868e43816176f863198c0.exe 2212 02af3d92d91868e43816176f863198c0.exe 2212 02af3d92d91868e43816176f863198c0.exe 2212 02af3d92d91868e43816176f863198c0.exe 2212 02af3d92d91868e43816176f863198c0.exe 2212 02af3d92d91868e43816176f863198c0.exe 2212 02af3d92d91868e43816176f863198c0.exe 2212 02af3d92d91868e43816176f863198c0.exe 2212 02af3d92d91868e43816176f863198c0.exe 2212 02af3d92d91868e43816176f863198c0.exe 2212 02af3d92d91868e43816176f863198c0.exe 2212 02af3d92d91868e43816176f863198c0.exe 2212 02af3d92d91868e43816176f863198c0.exe 2212 02af3d92d91868e43816176f863198c0.exe 2212 02af3d92d91868e43816176f863198c0.exe 2212 02af3d92d91868e43816176f863198c0.exe 2212 02af3d92d91868e43816176f863198c0.exe 2212 02af3d92d91868e43816176f863198c0.exe 2212 02af3d92d91868e43816176f863198c0.exe 2212 02af3d92d91868e43816176f863198c0.exe 2212 02af3d92d91868e43816176f863198c0.exe 2212 02af3d92d91868e43816176f863198c0.exe 2212 02af3d92d91868e43816176f863198c0.exe 2212 02af3d92d91868e43816176f863198c0.exe 2212 02af3d92d91868e43816176f863198c0.exe 2212 02af3d92d91868e43816176f863198c0.exe 2212 02af3d92d91868e43816176f863198c0.exe 2212 02af3d92d91868e43816176f863198c0.exe 2212 02af3d92d91868e43816176f863198c0.exe 2212 02af3d92d91868e43816176f863198c0.exe 2212 02af3d92d91868e43816176f863198c0.exe 2212 02af3d92d91868e43816176f863198c0.exe 2212 02af3d92d91868e43816176f863198c0.exe 2212 02af3d92d91868e43816176f863198c0.exe 2212 02af3d92d91868e43816176f863198c0.exe 2212 02af3d92d91868e43816176f863198c0.exe 2212 02af3d92d91868e43816176f863198c0.exe 2212 02af3d92d91868e43816176f863198c0.exe 2212 02af3d92d91868e43816176f863198c0.exe 2212 02af3d92d91868e43816176f863198c0.exe 2212 02af3d92d91868e43816176f863198c0.exe 2212 02af3d92d91868e43816176f863198c0.exe 2212 02af3d92d91868e43816176f863198c0.exe 2212 02af3d92d91868e43816176f863198c0.exe 2212 02af3d92d91868e43816176f863198c0.exe 2212 02af3d92d91868e43816176f863198c0.exe 2212 02af3d92d91868e43816176f863198c0.exe 2212 02af3d92d91868e43816176f863198c0.exe 2212 02af3d92d91868e43816176f863198c0.exe 2212 02af3d92d91868e43816176f863198c0.exe 2212 02af3d92d91868e43816176f863198c0.exe 2212 02af3d92d91868e43816176f863198c0.exe 2212 02af3d92d91868e43816176f863198c0.exe 2212 02af3d92d91868e43816176f863198c0.exe 2212 02af3d92d91868e43816176f863198c0.exe 2212 02af3d92d91868e43816176f863198c0.exe 2212 02af3d92d91868e43816176f863198c0.exe 2212 02af3d92d91868e43816176f863198c0.exe 2212 02af3d92d91868e43816176f863198c0.exe 2212 02af3d92d91868e43816176f863198c0.exe 2212 02af3d92d91868e43816176f863198c0.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 2212 wrote to memory of 3712 2212 02af3d92d91868e43816176f863198c0.exe 35 PID 2212 wrote to memory of 3712 2212 02af3d92d91868e43816176f863198c0.exe 35 PID 2212 wrote to memory of 3712 2212 02af3d92d91868e43816176f863198c0.exe 35 PID 3712 wrote to memory of 2796 3712 cmd.exe 31 PID 3712 wrote to memory of 2796 3712 cmd.exe 31 PID 3712 wrote to memory of 2796 3712 cmd.exe 31 PID 2212 wrote to memory of 2452 2212 02af3d92d91868e43816176f863198c0.exe 34 PID 2212 wrote to memory of 2452 2212 02af3d92d91868e43816176f863198c0.exe 34 PID 2212 wrote to memory of 2452 2212 02af3d92d91868e43816176f863198c0.exe 34 PID 2452 wrote to memory of 1800 2452 cmd.exe 33 PID 2452 wrote to memory of 1800 2452 cmd.exe 33 PID 2452 wrote to memory of 1800 2452 cmd.exe 33
Processes
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C:\Users\Admin\AppData\Local\Temp\02af3d92d91868e43816176f863198c0.exe"C:\Users\Admin\AppData\Local\Temp\02af3d92d91868e43816176f863198c0.exe"1⤵
- Modifies WinLogon for persistence
- Disables RegEdit via registry modification
- Adds Run key to start application
- Enumerates connected drives
- Drops file in System32 directory
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2212 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /C AT 09:00 /interactive /EVERY:m,t,w,th,f,s,su C:\Windows\system32\svchost .exe2⤵
- Suspicious use of WriteProcessMemory
PID:2452
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /C AT /delete /yes2⤵
- Suspicious use of WriteProcessMemory
PID:3712
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C:\Windows\SysWOW64\at.exeAT /delete /yes1⤵PID:2796
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C:\Windows\SysWOW64\at.exeAT 09:00 /interactive /EVERY:m,t,w,th,f,s,su C:\Windows\system32\svchost .exe1⤵PID:1800
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Replay Monitor
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Downloads
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Filesize
2B
MD5e0aa021e21dddbd6d8cecec71e9cf564
SHA19ce3bd4224c8c1780db56b4125ecf3f24bf748b7
SHA256565339bc4d33d72817b583024112eb7f5cdf3e5eef0252d6ec1b9c9a94e12bb3
SHA512900110c951560eff857b440e89cc29f529416e0e3b3d7f0ad51651bfdbd8025b91768c5ed7db5352d1a5523354ce06ced2c42047e33a3e958a1bba5f742db874
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Filesize
96B
MD59ece103c47335f0cc777f1132b8d522f
SHA163afa171c64f86d99db81723e1335e960e85fa43
SHA25669815d4932ddde240ce6b1353305d2fab58ca402e9c478452c8e37ce8a7b2ac9
SHA512b1ac64c71c6338bf0ab33df938128822da680f20d0552edb2edb808f1c75bafb88467412fc8dc60ed8022a1f0c4f3fcbecb69a320ec871b3a766482f32d6eb05
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Filesize
299KB
MD588cf937fd8baa7776de353b853b5d00e
SHA1f2b59d7f70e0e08d7c6a3db02a4c83eacdf51f97
SHA256b95f468c68305a408420d7a9c0cc1b97b3be734243bde9bbc1c620462cea42c0
SHA512bb3344737e31919b5f8213006adc8ff54c76ee402f8310ab502139b01da28134291d91d96e21ce3b5e1fb4ff67ca070e0183088604c0737fb423c387dcfe9dd9