Resubmissions
27/01/2024, 19:37
240127-yb5pksafd3 1027/01/2024, 19:36
240127-ybqwesafc2 1012/05/2021, 15:56
210512-db4t7vmwas 10Analysis
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max time kernel
120s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
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submitted
27/01/2024, 19:37
General
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Target
243dff06fc80a049f4fb37292f8b8def0fce29768f345c88ee10699e22b0ae60.exe
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Size
59KB
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MD5
0ed51a595631e9b4d60896ab5573332f
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SHA1
7ae73b5e1622049380c9b615ce3b7f636665584b
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SHA256
243dff06fc80a049f4fb37292f8b8def0fce29768f345c88ee10699e22b0ae60
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SHA512
9bfd6318b120c05d9a42a456511efc59f2be5ad451baa6d19d5de776e2ff74dbee444c85478ee7cfdbf705517cc147cd64c6814965f76c740fe1924594a37cb5
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SSDEEP
768:vjjmbIax7F3DS4/S9+CuUSbVAdNcxGV1yl3RYY23W58:0x7Fu4/ihrhDTV1ylhZ58
Malware Config
Extracted
C:\Users\Admin\README.3b86d701.TXT
darkside
http://darksidfqzcuhtk2.onion/LYID3U99RAJSTEYEFWS6SLYDGMUXKNAT3OPKN9D56PIGX1QHBU5DHGUN4HGMX2IW
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 (170) 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
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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 3 IoCs
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Suspicious use of AdjustPrivilegeToken 24 IoCs
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Suspicious use of WriteProcessMemory 4 IoCs
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Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
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C:\Users\Admin\AppData\Local\Temp\243dff06fc80a049f4fb37292f8b8def0fce29768f345c88ee10699e22b0ae60.exe"C:\Users\Admin\AppData\Local\Temp\243dff06fc80a049f4fb37292f8b8def0fce29768f345c88ee10699e22b0ae60.exe"1⤵
- 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 Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
7KB
MD5cafe0c458cac201cb131b8161a5ba1a1
SHA10472fab2895a95a4365d513affc7e744ee3a4aab
SHA256b251949385af5e68e3de4bf93aa12a09834339d97245b117ef9104a5a763b613
SHA5121b677e758548576e77d6599bf904a4941e6c8c37447a49ef8159428bd32c65e549a5f5c61641afa2a9e3a9c863469729527d6a49226913972c77e387afb16a38
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Filesize
1KB
MD5d4e176b40c4ea17f4870c34fad926d6e
SHA12cc3e4c6cf00e4a2ac0e16e9f7b0ccf2421b92e0
SHA2567ee422c323ddbda59934ed7bfa6217cfe06bdb50165b7d4b6115475f1df7af0c
SHA512feaa913ae99db210db088423a9813e1efedd89d80817bf485a4d9f8ea349b86932ac16ba0473bd224ff150603507bd289d01aebc1a702372a076a167b632f471
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Filesize
2.9MB
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Filesize
32KB
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Filesize
9.6MB
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Filesize
512KB
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Filesize
9.6MB
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Filesize
512KB
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Filesize
512KB
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Filesize
512KB
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Filesize
9.6MB