Analysis
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max time kernel
53s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
07-07-2022 20:10
Static task
static1
Behavioral task
behavioral1
Sample
2e818946ec3ef46b1274aa212fdf73c2214ea00f8db0533cbc4fba353a60ce5a.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
2e818946ec3ef46b1274aa212fdf73c2214ea00f8db0533cbc4fba353a60ce5a.exe
Resource
win10v2004-20220414-en
General
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Target
2e818946ec3ef46b1274aa212fdf73c2214ea00f8db0533cbc4fba353a60ce5a.exe
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Size
98KB
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MD5
eae1d32442fadc2b737837adada39c54
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SHA1
3779ec749f00515e31eb4fff4ae8205f44a6ea80
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SHA256
2e818946ec3ef46b1274aa212fdf73c2214ea00f8db0533cbc4fba353a60ce5a
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SHA512
52151027c9ee32466ac34852ac9eec07a06fedab15309ef3a4d3b4138e39b7856dbb798e3b222a4cab8242532e8066001d785c64856830ee1d902139a7c666f0
Malware Config
Extracted
C:\QXHJI-DECRYPT.txt
gandcrab
http://gandcrabmfe6mnef.onion/6523c40b5cc87b87
Signatures
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Gandcrab
Gandcrab is a Trojan horse that encrypts files on a computer.
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Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Modifies extensions of user files 7 IoCs
Ransomware generally changes the extension on encrypted files.
Processes:
2e818946ec3ef46b1274aa212fdf73c2214ea00f8db0533cbc4fba353a60ce5a.exedescription ioc process File opened for modification C:\Users\Admin\Pictures\SearchUndo.tiff 2e818946ec3ef46b1274aa212fdf73c2214ea00f8db0533cbc4fba353a60ce5a.exe File renamed C:\Users\Admin\Pictures\SearchUndo.tiff => C:\Users\Admin\Pictures\SearchUndo.tiff.qxhji 2e818946ec3ef46b1274aa212fdf73c2214ea00f8db0533cbc4fba353a60ce5a.exe File renamed C:\Users\Admin\Pictures\TraceCopy.png => C:\Users\Admin\Pictures\TraceCopy.png.qxhji 2e818946ec3ef46b1274aa212fdf73c2214ea00f8db0533cbc4fba353a60ce5a.exe File renamed C:\Users\Admin\Pictures\WaitRedo.tif => C:\Users\Admin\Pictures\WaitRedo.tif.qxhji 2e818946ec3ef46b1274aa212fdf73c2214ea00f8db0533cbc4fba353a60ce5a.exe File renamed C:\Users\Admin\Pictures\CheckpointUnpublish.tif => C:\Users\Admin\Pictures\CheckpointUnpublish.tif.qxhji 2e818946ec3ef46b1274aa212fdf73c2214ea00f8db0533cbc4fba353a60ce5a.exe File renamed C:\Users\Admin\Pictures\InstallLock.crw => C:\Users\Admin\Pictures\InstallLock.crw.qxhji 2e818946ec3ef46b1274aa212fdf73c2214ea00f8db0533cbc4fba353a60ce5a.exe File renamed C:\Users\Admin\Pictures\InvokeWrite.tif => C:\Users\Admin\Pictures\InvokeWrite.tif.qxhji 2e818946ec3ef46b1274aa212fdf73c2214ea00f8db0533cbc4fba353a60ce5a.exe -
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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Enumerates connected drives 3 TTPs 24 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
2e818946ec3ef46b1274aa212fdf73c2214ea00f8db0533cbc4fba353a60ce5a.exedescription ioc process File opened (read-only) \??\E: 2e818946ec3ef46b1274aa212fdf73c2214ea00f8db0533cbc4fba353a60ce5a.exe File opened (read-only) \??\H: 2e818946ec3ef46b1274aa212fdf73c2214ea00f8db0533cbc4fba353a60ce5a.exe File opened (read-only) \??\J: 2e818946ec3ef46b1274aa212fdf73c2214ea00f8db0533cbc4fba353a60ce5a.exe File opened (read-only) \??\O: 2e818946ec3ef46b1274aa212fdf73c2214ea00f8db0533cbc4fba353a60ce5a.exe File opened (read-only) \??\S: 2e818946ec3ef46b1274aa212fdf73c2214ea00f8db0533cbc4fba353a60ce5a.exe File opened (read-only) \??\T: 2e818946ec3ef46b1274aa212fdf73c2214ea00f8db0533cbc4fba353a60ce5a.exe File opened (read-only) \??\U: 2e818946ec3ef46b1274aa212fdf73c2214ea00f8db0533cbc4fba353a60ce5a.exe File opened (read-only) \??\A: 2e818946ec3ef46b1274aa212fdf73c2214ea00f8db0533cbc4fba353a60ce5a.exe File opened (read-only) \??\G: 2e818946ec3ef46b1274aa212fdf73c2214ea00f8db0533cbc4fba353a60ce5a.exe File opened (read-only) \??\I: 2e818946ec3ef46b1274aa212fdf73c2214ea00f8db0533cbc4fba353a60ce5a.exe File opened (read-only) \??\K: 2e818946ec3ef46b1274aa212fdf73c2214ea00f8db0533cbc4fba353a60ce5a.exe File opened (read-only) \??\L: 2e818946ec3ef46b1274aa212fdf73c2214ea00f8db0533cbc4fba353a60ce5a.exe File opened (read-only) \??\Q: 2e818946ec3ef46b1274aa212fdf73c2214ea00f8db0533cbc4fba353a60ce5a.exe File opened (read-only) \??\V: 2e818946ec3ef46b1274aa212fdf73c2214ea00f8db0533cbc4fba353a60ce5a.exe File opened (read-only) \??\X: 2e818946ec3ef46b1274aa212fdf73c2214ea00f8db0533cbc4fba353a60ce5a.exe File opened (read-only) \??\B: 2e818946ec3ef46b1274aa212fdf73c2214ea00f8db0533cbc4fba353a60ce5a.exe File opened (read-only) \??\R: 2e818946ec3ef46b1274aa212fdf73c2214ea00f8db0533cbc4fba353a60ce5a.exe File opened (read-only) \??\W: 2e818946ec3ef46b1274aa212fdf73c2214ea00f8db0533cbc4fba353a60ce5a.exe File opened (read-only) \??\F: 2e818946ec3ef46b1274aa212fdf73c2214ea00f8db0533cbc4fba353a60ce5a.exe File opened (read-only) \??\M: 2e818946ec3ef46b1274aa212fdf73c2214ea00f8db0533cbc4fba353a60ce5a.exe File opened (read-only) \??\N: 2e818946ec3ef46b1274aa212fdf73c2214ea00f8db0533cbc4fba353a60ce5a.exe File opened (read-only) \??\P: 2e818946ec3ef46b1274aa212fdf73c2214ea00f8db0533cbc4fba353a60ce5a.exe File opened (read-only) \??\Y: 2e818946ec3ef46b1274aa212fdf73c2214ea00f8db0533cbc4fba353a60ce5a.exe File opened (read-only) \??\Z: 2e818946ec3ef46b1274aa212fdf73c2214ea00f8db0533cbc4fba353a60ce5a.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
Processes:
2e818946ec3ef46b1274aa212fdf73c2214ea00f8db0533cbc4fba353a60ce5a.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\\\bxmeoengtf.bmp" 2e818946ec3ef46b1274aa212fdf73c2214ea00f8db0533cbc4fba353a60ce5a.exe -
Drops file in Program Files directory 27 IoCs
Processes:
2e818946ec3ef46b1274aa212fdf73c2214ea00f8db0533cbc4fba353a60ce5a.exedescription ioc process File opened for modification C:\Program Files\SearchCompare.mpeg2 2e818946ec3ef46b1274aa212fdf73c2214ea00f8db0533cbc4fba353a60ce5a.exe File created C:\Program Files (x86)\QXHJI-DECRYPT.txt 2e818946ec3ef46b1274aa212fdf73c2214ea00f8db0533cbc4fba353a60ce5a.exe File opened for modification C:\Program Files\InstallLock.vssm 2e818946ec3ef46b1274aa212fdf73c2214ea00f8db0533cbc4fba353a60ce5a.exe File created C:\Program Files (x86)\Microsoft SQL Server Compact Edition\5cc87c645cc87b8620.lock 2e818946ec3ef46b1274aa212fdf73c2214ea00f8db0533cbc4fba353a60ce5a.exe File created C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\Desktop\QXHJI-DECRYPT.txt 2e818946ec3ef46b1274aa212fdf73c2214ea00f8db0533cbc4fba353a60ce5a.exe File opened for modification C:\Program Files\ConfirmConvertFrom.m3u 2e818946ec3ef46b1274aa212fdf73c2214ea00f8db0533cbc4fba353a60ce5a.exe File created C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\QXHJI-DECRYPT.txt 2e818946ec3ef46b1274aa212fdf73c2214ea00f8db0533cbc4fba353a60ce5a.exe File created C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\5cc87c645cc87b8620.lock 2e818946ec3ef46b1274aa212fdf73c2214ea00f8db0533cbc4fba353a60ce5a.exe File created C:\Program Files\5cc87c645cc87b8620.lock 2e818946ec3ef46b1274aa212fdf73c2214ea00f8db0533cbc4fba353a60ce5a.exe File opened for modification C:\Program Files\CheckpointUse.hta 2e818946ec3ef46b1274aa212fdf73c2214ea00f8db0533cbc4fba353a60ce5a.exe File opened for modification C:\Program Files\JoinRegister.eprtx 2e818946ec3ef46b1274aa212fdf73c2214ea00f8db0533cbc4fba353a60ce5a.exe File opened for modification C:\Program Files\PublishConfirm.dib 2e818946ec3ef46b1274aa212fdf73c2214ea00f8db0533cbc4fba353a60ce5a.exe File opened for modification C:\Program Files\NewUnprotect.ADT 2e818946ec3ef46b1274aa212fdf73c2214ea00f8db0533cbc4fba353a60ce5a.exe File created C:\Program Files (x86)\Microsoft SQL Server Compact Edition\QXHJI-DECRYPT.txt 2e818946ec3ef46b1274aa212fdf73c2214ea00f8db0533cbc4fba353a60ce5a.exe File created C:\Program Files\QXHJI-DECRYPT.txt 2e818946ec3ef46b1274aa212fdf73c2214ea00f8db0533cbc4fba353a60ce5a.exe File opened for modification C:\Program Files\ConfirmRequest.M2V 2e818946ec3ef46b1274aa212fdf73c2214ea00f8db0533cbc4fba353a60ce5a.exe File opened for modification C:\Program Files\HideUse.rle 2e818946ec3ef46b1274aa212fdf73c2214ea00f8db0533cbc4fba353a60ce5a.exe File opened for modification C:\Program Files\SendMeasure.jpeg 2e818946ec3ef46b1274aa212fdf73c2214ea00f8db0533cbc4fba353a60ce5a.exe File opened for modification C:\Program Files\WatchResume.asp 2e818946ec3ef46b1274aa212fdf73c2214ea00f8db0533cbc4fba353a60ce5a.exe File opened for modification C:\Program Files\ConvertFromReceive.pps 2e818946ec3ef46b1274aa212fdf73c2214ea00f8db0533cbc4fba353a60ce5a.exe File opened for modification C:\Program Files\MergeProtect.crw 2e818946ec3ef46b1274aa212fdf73c2214ea00f8db0533cbc4fba353a60ce5a.exe File opened for modification C:\Program Files\PingUpdate.iso 2e818946ec3ef46b1274aa212fdf73c2214ea00f8db0533cbc4fba353a60ce5a.exe File created C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\Desktop\5cc87c645cc87b8620.lock 2e818946ec3ef46b1274aa212fdf73c2214ea00f8db0533cbc4fba353a60ce5a.exe File opened for modification C:\Program Files\NewConnect.pub 2e818946ec3ef46b1274aa212fdf73c2214ea00f8db0533cbc4fba353a60ce5a.exe File opened for modification C:\Program Files\RestoreReset.emf 2e818946ec3ef46b1274aa212fdf73c2214ea00f8db0533cbc4fba353a60ce5a.exe File opened for modification C:\Program Files\StepUndo.crw 2e818946ec3ef46b1274aa212fdf73c2214ea00f8db0533cbc4fba353a60ce5a.exe File created C:\Program Files (x86)\5cc87c645cc87b8620.lock 2e818946ec3ef46b1274aa212fdf73c2214ea00f8db0533cbc4fba353a60ce5a.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
2e818946ec3ef46b1274aa212fdf73c2214ea00f8db0533cbc4fba353a60ce5a.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 2e818946ec3ef46b1274aa212fdf73c2214ea00f8db0533cbc4fba353a60ce5a.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 2e818946ec3ef46b1274aa212fdf73c2214ea00f8db0533cbc4fba353a60ce5a.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier 2e818946ec3ef46b1274aa212fdf73c2214ea00f8db0533cbc4fba353a60ce5a.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
2e818946ec3ef46b1274aa212fdf73c2214ea00f8db0533cbc4fba353a60ce5a.exepid process 1932 2e818946ec3ef46b1274aa212fdf73c2214ea00f8db0533cbc4fba353a60ce5a.exe 1932 2e818946ec3ef46b1274aa212fdf73c2214ea00f8db0533cbc4fba353a60ce5a.exe -
Suspicious use of AdjustPrivilegeToken 43 IoCs
Processes:
wmic.exevssvc.exedescription pid process Token: SeIncreaseQuotaPrivilege 1100 wmic.exe Token: SeSecurityPrivilege 1100 wmic.exe Token: SeTakeOwnershipPrivilege 1100 wmic.exe Token: SeLoadDriverPrivilege 1100 wmic.exe Token: SeSystemProfilePrivilege 1100 wmic.exe Token: SeSystemtimePrivilege 1100 wmic.exe Token: SeProfSingleProcessPrivilege 1100 wmic.exe Token: SeIncBasePriorityPrivilege 1100 wmic.exe Token: SeCreatePagefilePrivilege 1100 wmic.exe Token: SeBackupPrivilege 1100 wmic.exe Token: SeRestorePrivilege 1100 wmic.exe Token: SeShutdownPrivilege 1100 wmic.exe Token: SeDebugPrivilege 1100 wmic.exe Token: SeSystemEnvironmentPrivilege 1100 wmic.exe Token: SeRemoteShutdownPrivilege 1100 wmic.exe Token: SeUndockPrivilege 1100 wmic.exe Token: SeManageVolumePrivilege 1100 wmic.exe Token: 33 1100 wmic.exe Token: 34 1100 wmic.exe Token: 35 1100 wmic.exe Token: SeIncreaseQuotaPrivilege 1100 wmic.exe Token: SeSecurityPrivilege 1100 wmic.exe Token: SeTakeOwnershipPrivilege 1100 wmic.exe Token: SeLoadDriverPrivilege 1100 wmic.exe Token: SeSystemProfilePrivilege 1100 wmic.exe Token: SeSystemtimePrivilege 1100 wmic.exe Token: SeProfSingleProcessPrivilege 1100 wmic.exe Token: SeIncBasePriorityPrivilege 1100 wmic.exe Token: SeCreatePagefilePrivilege 1100 wmic.exe Token: SeBackupPrivilege 1100 wmic.exe Token: SeRestorePrivilege 1100 wmic.exe Token: SeShutdownPrivilege 1100 wmic.exe Token: SeDebugPrivilege 1100 wmic.exe Token: SeSystemEnvironmentPrivilege 1100 wmic.exe Token: SeRemoteShutdownPrivilege 1100 wmic.exe Token: SeUndockPrivilege 1100 wmic.exe Token: SeManageVolumePrivilege 1100 wmic.exe Token: 33 1100 wmic.exe Token: 34 1100 wmic.exe Token: 35 1100 wmic.exe Token: SeBackupPrivilege 1364 vssvc.exe Token: SeRestorePrivilege 1364 vssvc.exe Token: SeAuditPrivilege 1364 vssvc.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
2e818946ec3ef46b1274aa212fdf73c2214ea00f8db0533cbc4fba353a60ce5a.exedescription pid process target process PID 1932 wrote to memory of 1100 1932 2e818946ec3ef46b1274aa212fdf73c2214ea00f8db0533cbc4fba353a60ce5a.exe wmic.exe PID 1932 wrote to memory of 1100 1932 2e818946ec3ef46b1274aa212fdf73c2214ea00f8db0533cbc4fba353a60ce5a.exe wmic.exe PID 1932 wrote to memory of 1100 1932 2e818946ec3ef46b1274aa212fdf73c2214ea00f8db0533cbc4fba353a60ce5a.exe wmic.exe PID 1932 wrote to memory of 1100 1932 2e818946ec3ef46b1274aa212fdf73c2214ea00f8db0533cbc4fba353a60ce5a.exe wmic.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2e818946ec3ef46b1274aa212fdf73c2214ea00f8db0533cbc4fba353a60ce5a.exe"C:\Users\Admin\AppData\Local\Temp\2e818946ec3ef46b1274aa212fdf73c2214ea00f8db0533cbc4fba353a60ce5a.exe"1⤵
- Modifies extensions of user files
- Enumerates connected drives
- Sets desktop wallpaper using registry
- Drops file in Program Files directory
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\wbem\wmic.exe"C:\Windows\system32\wbem\wmic.exe" shadowcopy delete2⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken