Analysis
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max time kernel
117s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
19-04-2024 18:21
Static task
static1
Behavioral task
behavioral1
Sample
124e83f0812629fbc7ee0330002d7e5026b0f79e29a7d42facd62dd67b83549a.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
124e83f0812629fbc7ee0330002d7e5026b0f79e29a7d42facd62dd67b83549a.exe
Resource
win10v2004-20240412-en
General
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Target
124e83f0812629fbc7ee0330002d7e5026b0f79e29a7d42facd62dd67b83549a.exe
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Size
59KB
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MD5
01cef4d4f9306177d42f221854ee552b
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SHA1
e06c0d3ae9eb341182e937f44906c240cff4c057
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SHA256
124e83f0812629fbc7ee0330002d7e5026b0f79e29a7d42facd62dd67b83549a
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SHA512
5ebba89c40862be7405ec41979d4fa6916a2742ba8c2ca5c81c5b9002e9497e54b0281fcad1fac6676e6c3b491e9a777536c6d1ef19a52986e15286a24cff95e
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SSDEEP
768:vjjmbIax7F3DS4/S9+CuUSbVAdNcxGV1yltqZrY23W58:0x7Fu4/ihrhDTV1ylEZMZ58
Malware Config
Extracted
C:\Users\Admin\README.b565854b.TXT
darkside
http://darksidfqzcuhtk2.onion/CZEX8E0GR0AO4ASUCJE1K824OKJA1G24B8B3G0P84LJTTE7W8EC86JBE7NBXLMRT
Signatures
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DarkSide
Targeted ransomware first seen in August 2020. Operators steal data to use as leverage.
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Renames multiple (141) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Sets desktop wallpaper using registry 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\b565854b.BMP" 124e83f0812629fbc7ee0330002d7e5026b0f79e29a7d42facd62dd67b83549a.exe Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\b565854b.BMP" 124e83f0812629fbc7ee0330002d7e5026b0f79e29a7d42facd62dd67b83549a.exe -
Modifies Control Panel 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Control Panel\Desktop\WallpaperStyle = "10" 124e83f0812629fbc7ee0330002d7e5026b0f79e29a7d42facd62dd67b83549a.exe -
Modifies registry class 5 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.b565854b 124e83f0812629fbc7ee0330002d7e5026b0f79e29a7d42facd62dd67b83549a.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.b565854b\ = "b565854b" 124e83f0812629fbc7ee0330002d7e5026b0f79e29a7d42facd62dd67b83549a.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\b565854b\DefaultIcon 124e83f0812629fbc7ee0330002d7e5026b0f79e29a7d42facd62dd67b83549a.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\b565854b 124e83f0812629fbc7ee0330002d7e5026b0f79e29a7d42facd62dd67b83549a.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\b565854b\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\b565854b.ico" 124e83f0812629fbc7ee0330002d7e5026b0f79e29a7d42facd62dd67b83549a.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1524 124e83f0812629fbc7ee0330002d7e5026b0f79e29a7d42facd62dd67b83549a.exe 1524 124e83f0812629fbc7ee0330002d7e5026b0f79e29a7d42facd62dd67b83549a.exe -
Suspicious use of AdjustPrivilegeToken 20 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 1524 124e83f0812629fbc7ee0330002d7e5026b0f79e29a7d42facd62dd67b83549a.exe Token: SeSecurityPrivilege 1524 124e83f0812629fbc7ee0330002d7e5026b0f79e29a7d42facd62dd67b83549a.exe Token: SeTakeOwnershipPrivilege 1524 124e83f0812629fbc7ee0330002d7e5026b0f79e29a7d42facd62dd67b83549a.exe Token: SeLoadDriverPrivilege 1524 124e83f0812629fbc7ee0330002d7e5026b0f79e29a7d42facd62dd67b83549a.exe Token: SeSystemProfilePrivilege 1524 124e83f0812629fbc7ee0330002d7e5026b0f79e29a7d42facd62dd67b83549a.exe Token: SeSystemtimePrivilege 1524 124e83f0812629fbc7ee0330002d7e5026b0f79e29a7d42facd62dd67b83549a.exe Token: SeProfSingleProcessPrivilege 1524 124e83f0812629fbc7ee0330002d7e5026b0f79e29a7d42facd62dd67b83549a.exe Token: SeIncBasePriorityPrivilege 1524 124e83f0812629fbc7ee0330002d7e5026b0f79e29a7d42facd62dd67b83549a.exe Token: SeCreatePagefilePrivilege 1524 124e83f0812629fbc7ee0330002d7e5026b0f79e29a7d42facd62dd67b83549a.exe Token: SeBackupPrivilege 1524 124e83f0812629fbc7ee0330002d7e5026b0f79e29a7d42facd62dd67b83549a.exe Token: SeRestorePrivilege 1524 124e83f0812629fbc7ee0330002d7e5026b0f79e29a7d42facd62dd67b83549a.exe Token: SeShutdownPrivilege 1524 124e83f0812629fbc7ee0330002d7e5026b0f79e29a7d42facd62dd67b83549a.exe Token: SeDebugPrivilege 1524 124e83f0812629fbc7ee0330002d7e5026b0f79e29a7d42facd62dd67b83549a.exe Token: SeSystemEnvironmentPrivilege 1524 124e83f0812629fbc7ee0330002d7e5026b0f79e29a7d42facd62dd67b83549a.exe Token: SeRemoteShutdownPrivilege 1524 124e83f0812629fbc7ee0330002d7e5026b0f79e29a7d42facd62dd67b83549a.exe Token: SeUndockPrivilege 1524 124e83f0812629fbc7ee0330002d7e5026b0f79e29a7d42facd62dd67b83549a.exe Token: SeManageVolumePrivilege 1524 124e83f0812629fbc7ee0330002d7e5026b0f79e29a7d42facd62dd67b83549a.exe Token: 33 1524 124e83f0812629fbc7ee0330002d7e5026b0f79e29a7d42facd62dd67b83549a.exe Token: 34 1524 124e83f0812629fbc7ee0330002d7e5026b0f79e29a7d42facd62dd67b83549a.exe Token: 35 1524 124e83f0812629fbc7ee0330002d7e5026b0f79e29a7d42facd62dd67b83549a.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\124e83f0812629fbc7ee0330002d7e5026b0f79e29a7d42facd62dd67b83549a.exe"C:\Users\Admin\AppData\Local\Temp\124e83f0812629fbc7ee0330002d7e5026b0f79e29a7d42facd62dd67b83549a.exe"1⤵
- Sets desktop wallpaper using registry
- Modifies Control Panel
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1524
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
68KB
MD529f65ba8e88c063813cc50a4ea544e93
SHA105a7040d5c127e68c25d81cc51271ffb8bef3568
SHA2561ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184
SHA512e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize344B
MD57cba14ad5aef23dd464755e7dea54e28
SHA1f863b78a21bfd0c7666d44bf9bce563e0b77a68b
SHA256034971c13fa10fafa720229771e165741304e8eed0198c2e145cba220a261fae
SHA512ea4993c7f537e84c29a5be8102d6e047d36e678fea21ffed949f4c0e2b0cfbea1fd332ea35ecc7665ab64b6ff31b4d2f90178d1c100e3938370ca66b543aafec
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Filesize
177KB
MD5435a9ac180383f9fa094131b173a2f7b
SHA176944ea657a9db94f9a4bef38f88c46ed4166983
SHA25667dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34
SHA5121a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a
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Filesize
1KB
MD565494ea6831e577d82fac2b91b9c3d43
SHA15c23717d22ee9b94306f2d5a2a53c60aca03eb8c
SHA2565e98b41a51606e16dda30ad4a49457227f75d71ad2004e2942c6b8de6202c4f3
SHA51228ba13f7793ac8271af03b26eaeba6cbe707bf1f07fb1792818a6ab270d1c20d0091ef4a10c092f60c373aefe09698d2b470ec6a7f8cfa47103fd8bbb8d7a7bb