Analysis
-
max time kernel
10s -
max time network
10s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
23-10-2022 18:25
Static task
static1
Behavioral task
behavioral1
Sample
b1f38ef79742e99617096f5f5e223972c805a6006af4e29e9ae8bdee6b1a33c5.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
b1f38ef79742e99617096f5f5e223972c805a6006af4e29e9ae8bdee6b1a33c5.exe
Resource
win10v2004-20220812-en
General
-
Target
b1f38ef79742e99617096f5f5e223972c805a6006af4e29e9ae8bdee6b1a33c5.exe
-
Size
424KB
-
MD5
7ff229955a92a6ad6937118bcd9c1295
-
SHA1
575d2346161618cde9a2ce04ea3ad762ed01fc64
-
SHA256
b1f38ef79742e99617096f5f5e223972c805a6006af4e29e9ae8bdee6b1a33c5
-
SHA512
e8ebd4a5f572ea6e20b3167cb690c5c207f7ee46d29aff5b05eb6e6baaf5ae2424fb1d73ab55f2b029b368ed9a77b3d6e0f330bf4ee57658f521522ee5e489a4
-
SSDEEP
6144:NWmfUHQSVs1ZYi9Cz3cnPOqURF7T16kCQ4B1oyjqnVhyfVoXbftChXW3AxfulDGq:0mfUHQS0GiGc6R6kXP/nVAcblCJxfS6
Malware Config
Extracted
C:\$Recycle.Bin\S-1-5-21-2629973501-4017243118-3254762364-1000\_RECoVERY_+bmhll.txt
teslacrypt
http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/6A3A8C95A1C362
http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/6A3A8C95A1C362
http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/6A3A8C95A1C362
http://xlowfznrg4wf7dli.ONION/6A3A8C95A1C362
Signatures
-
TeslaCrypt, AlphaCrypt
Ransomware based on CryptoLocker. Shut down by the developers in 2016.
-
Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
-
Executes dropped EXE 1 IoCs
Processes:
qaqfewgnypnc.exepid Process 4604 qaqfewgnypnc.exe -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
b1f38ef79742e99617096f5f5e223972c805a6006af4e29e9ae8bdee6b1a33c5.exeqaqfewgnypnc.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation b1f38ef79742e99617096f5f5e223972c805a6006af4e29e9ae8bdee6b1a33c5.exe Key value queried \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation qaqfewgnypnc.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
qaqfewgnypnc.exedescription ioc Process Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run qaqfewgnypnc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hnmwpbbxkccd = "C:\\Windows\\system32\\cmd.exe /c start \"\" \"C:\\Windows\\qaqfewgnypnc.exe\"" qaqfewgnypnc.exe -
Drops file in Program Files directory 64 IoCs
Processes:
qaqfewgnypnc.exedescription ioc Process File opened for modification C:\Program Files\7-Zip\Lang\is.txt qaqfewgnypnc.exe File opened for modification C:\Program Files\7-Zip\Lang\sv.txt qaqfewgnypnc.exe File opened for modification C:\Program Files\7-Zip\Lang\zh-tw.txt qaqfewgnypnc.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\osknumpad\_RECoVERY_+bmhll.txt qaqfewgnypnc.exe File opened for modification C:\Program Files\7-Zip\Lang\be.txt qaqfewgnypnc.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\he-IL\_RECoVERY_+bmhll.txt qaqfewgnypnc.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\nb-NO\_RECoVERY_+bmhll.txt qaqfewgnypnc.exe File opened for modification C:\Program Files\Common Files\System\msadc\ja-JP\_RECoVERY_+bmhll.png qaqfewgnypnc.exe File opened for modification C:\Program Files\7-Zip\Lang\mr.txt qaqfewgnypnc.exe File opened for modification C:\Program Files\Common Files\System\msadc\de-DE\_RECoVERY_+bmhll.html qaqfewgnypnc.exe File opened for modification C:\Program Files\Common Files\System\msadc\fr-FR\_RECoVERY_+bmhll.txt qaqfewgnypnc.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\osknav\_RECoVERY_+bmhll.txt qaqfewgnypnc.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\_RECoVERY_+bmhll.png qaqfewgnypnc.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\lt-LT\_RECoVERY_+bmhll.html qaqfewgnypnc.exe File opened for modification C:\Program Files\7-Zip\Lang\ps.txt qaqfewgnypnc.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\oskclearui\_RECoVERY_+bmhll.txt qaqfewgnypnc.exe File opened for modification C:\Program Files\7-Zip\Lang\mn.txt qaqfewgnypnc.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fi-FI\_RECoVERY_+bmhll.txt qaqfewgnypnc.exe File opened for modification C:\Program Files\Common Files\microsoft shared\OFFICE16\Office Setup Controller\_RECoVERY_+bmhll.html qaqfewgnypnc.exe File opened for modification C:\Program Files\Common Files\microsoft shared\OFFICE16\_RECoVERY_+bmhll.html qaqfewgnypnc.exe File opened for modification C:\Program Files\7-Zip\Lang\he.txt qaqfewgnypnc.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\it-IT\_RECoVERY_+bmhll.html qaqfewgnypnc.exe File opened for modification C:\Program Files\Common Files\microsoft shared\MSInfo\fr-FR\_RECoVERY_+bmhll.png qaqfewgnypnc.exe File opened for modification C:\Program Files\Common Files\System\msadc\_RECoVERY_+bmhll.txt qaqfewgnypnc.exe File opened for modification C:\Program Files\7-Zip\Lang\ne.txt qaqfewgnypnc.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\pt-BR\_RECoVERY_+bmhll.txt qaqfewgnypnc.exe File opened for modification C:\Program Files\7-Zip\Lang\ky.txt qaqfewgnypnc.exe File opened for modification C:\Program Files\Common Files\System\msadc\fr-FR\_RECoVERY_+bmhll.html qaqfewgnypnc.exe File opened for modification C:\Program Files\7-Zip\Lang\bg.txt qaqfewgnypnc.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\keypad\_RECoVERY_+bmhll.html qaqfewgnypnc.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\sr-Latn-RS\_RECoVERY_+bmhll.txt qaqfewgnypnc.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\tr-TR\_RECoVERY_+bmhll.html qaqfewgnypnc.exe File opened for modification C:\Program Files\Common Files\System\ado\it-IT\_RECoVERY_+bmhll.txt qaqfewgnypnc.exe File opened for modification C:\Program Files\Common Files\System\msadc\en-US\_RECoVERY_+bmhll.html qaqfewgnypnc.exe File opened for modification C:\Program Files\7-Zip\Lang\uk.txt qaqfewgnypnc.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\ru-RU\_RECoVERY_+bmhll.txt qaqfewgnypnc.exe File opened for modification C:\Program Files\Common Files\microsoft shared\MSInfo\en-US\_RECoVERY_+bmhll.html qaqfewgnypnc.exe File opened for modification C:\Program Files\Common Files\microsoft shared\VSTO\10.0\1033\_RECoVERY_+bmhll.html qaqfewgnypnc.exe File opened for modification C:\Program Files\Common Files\System\Ole DB\de-DE\_RECoVERY_+bmhll.txt qaqfewgnypnc.exe File opened for modification C:\Program Files\7-Zip\Lang\kk.txt qaqfewgnypnc.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\lt-LT\_RECoVERY_+bmhll.txt qaqfewgnypnc.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\nl-NL\_RECoVERY_+bmhll.html qaqfewgnypnc.exe File opened for modification C:\Program Files\Common Files\microsoft shared\VC\_RECoVERY_+bmhll.txt qaqfewgnypnc.exe File opened for modification C:\Program Files\Common Files\Services\_RECoVERY_+bmhll.txt qaqfewgnypnc.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\es-MX\_RECoVERY_+bmhll.txt qaqfewgnypnc.exe File opened for modification C:\Program Files\Common Files\microsoft shared\VGX\_RECoVERY_+bmhll.txt qaqfewgnypnc.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\es-MX\_RECoVERY_+bmhll.html qaqfewgnypnc.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\hr-HR\_RECoVERY_+bmhll.png qaqfewgnypnc.exe File opened for modification C:\Program Files\Common Files\microsoft shared\MSInfo\it-IT\_RECoVERY_+bmhll.txt qaqfewgnypnc.exe File opened for modification C:\Program Files\7-Zip\Lang\kab.txt qaqfewgnypnc.exe File opened for modification C:\Program Files\Common Files\microsoft shared\OFFICE16\Office Setup Controller\_RECoVERY_+bmhll.png qaqfewgnypnc.exe File opened for modification C:\Program Files\Common Files\microsoft shared\VC\_RECoVERY_+bmhll.png qaqfewgnypnc.exe File opened for modification C:\Program Files\Common Files\System\es-ES\_RECoVERY_+bmhll.png qaqfewgnypnc.exe File opened for modification C:\Program Files\7-Zip\Lang\az.txt qaqfewgnypnc.exe File opened for modification C:\Program Files\Common Files\microsoft shared\MSInfo\es-ES\_RECoVERY_+bmhll.png qaqfewgnypnc.exe File opened for modification C:\Program Files\Common Files\System\_RECoVERY_+bmhll.txt qaqfewgnypnc.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\lt-LT\_RECoVERY_+bmhll.png qaqfewgnypnc.exe File opened for modification C:\Program Files\Common Files\microsoft shared\Stationery\_RECoVERY_+bmhll.html qaqfewgnypnc.exe File opened for modification C:\Program Files\Common Files\System\ado\_RECoVERY_+bmhll.html qaqfewgnypnc.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\LanguageModel\_RECoVERY_+bmhll.html qaqfewgnypnc.exe File opened for modification C:\Program Files\7-Zip\Lang\et.txt qaqfewgnypnc.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\zh-TW\_RECoVERY_+bmhll.png qaqfewgnypnc.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\hu-HU\_RECoVERY_+bmhll.png qaqfewgnypnc.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\zh-CN\_RECoVERY_+bmhll.png qaqfewgnypnc.exe -
Drops file in Windows directory 2 IoCs
Processes:
b1f38ef79742e99617096f5f5e223972c805a6006af4e29e9ae8bdee6b1a33c5.exedescription ioc Process File opened for modification C:\Windows\qaqfewgnypnc.exe b1f38ef79742e99617096f5f5e223972c805a6006af4e29e9ae8bdee6b1a33c5.exe File created C:\Windows\qaqfewgnypnc.exe b1f38ef79742e99617096f5f5e223972c805a6006af4e29e9ae8bdee6b1a33c5.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Suspicious behavior: EnumeratesProcesses 62 IoCs
Processes:
qaqfewgnypnc.exepid Process 4604 qaqfewgnypnc.exe 4604 qaqfewgnypnc.exe 4604 qaqfewgnypnc.exe 4604 qaqfewgnypnc.exe 4604 qaqfewgnypnc.exe 4604 qaqfewgnypnc.exe 4604 qaqfewgnypnc.exe 4604 qaqfewgnypnc.exe 4604 qaqfewgnypnc.exe 4604 qaqfewgnypnc.exe 4604 qaqfewgnypnc.exe 4604 qaqfewgnypnc.exe 4604 qaqfewgnypnc.exe 4604 qaqfewgnypnc.exe 4604 qaqfewgnypnc.exe 4604 qaqfewgnypnc.exe 4604 qaqfewgnypnc.exe 4604 qaqfewgnypnc.exe 4604 qaqfewgnypnc.exe 4604 qaqfewgnypnc.exe 4604 qaqfewgnypnc.exe 4604 qaqfewgnypnc.exe 4604 qaqfewgnypnc.exe 4604 qaqfewgnypnc.exe 4604 qaqfewgnypnc.exe 4604 qaqfewgnypnc.exe 4604 qaqfewgnypnc.exe 4604 qaqfewgnypnc.exe 4604 qaqfewgnypnc.exe 4604 qaqfewgnypnc.exe 4604 qaqfewgnypnc.exe 4604 qaqfewgnypnc.exe 4604 qaqfewgnypnc.exe 4604 qaqfewgnypnc.exe 4604 qaqfewgnypnc.exe 4604 qaqfewgnypnc.exe 4604 qaqfewgnypnc.exe 4604 qaqfewgnypnc.exe 4604 qaqfewgnypnc.exe 4604 qaqfewgnypnc.exe 4604 qaqfewgnypnc.exe 4604 qaqfewgnypnc.exe 4604 qaqfewgnypnc.exe 4604 qaqfewgnypnc.exe 4604 qaqfewgnypnc.exe 4604 qaqfewgnypnc.exe 4604 qaqfewgnypnc.exe 4604 qaqfewgnypnc.exe 4604 qaqfewgnypnc.exe 4604 qaqfewgnypnc.exe 4604 qaqfewgnypnc.exe 4604 qaqfewgnypnc.exe 4604 qaqfewgnypnc.exe 4604 qaqfewgnypnc.exe 4604 qaqfewgnypnc.exe 4604 qaqfewgnypnc.exe 4604 qaqfewgnypnc.exe 4604 qaqfewgnypnc.exe 4604 qaqfewgnypnc.exe 4604 qaqfewgnypnc.exe 4604 qaqfewgnypnc.exe 4604 qaqfewgnypnc.exe -
Suspicious use of AdjustPrivilegeToken 47 IoCs
Processes:
b1f38ef79742e99617096f5f5e223972c805a6006af4e29e9ae8bdee6b1a33c5.exeqaqfewgnypnc.exeWMIC.exevssvc.exedescription pid Process Token: SeDebugPrivilege 696 b1f38ef79742e99617096f5f5e223972c805a6006af4e29e9ae8bdee6b1a33c5.exe Token: SeDebugPrivilege 4604 qaqfewgnypnc.exe Token: SeIncreaseQuotaPrivilege 4380 WMIC.exe Token: SeSecurityPrivilege 4380 WMIC.exe Token: SeTakeOwnershipPrivilege 4380 WMIC.exe Token: SeLoadDriverPrivilege 4380 WMIC.exe Token: SeSystemProfilePrivilege 4380 WMIC.exe Token: SeSystemtimePrivilege 4380 WMIC.exe Token: SeProfSingleProcessPrivilege 4380 WMIC.exe Token: SeIncBasePriorityPrivilege 4380 WMIC.exe Token: SeCreatePagefilePrivilege 4380 WMIC.exe Token: SeBackupPrivilege 4380 WMIC.exe Token: SeRestorePrivilege 4380 WMIC.exe Token: SeShutdownPrivilege 4380 WMIC.exe Token: SeDebugPrivilege 4380 WMIC.exe Token: SeSystemEnvironmentPrivilege 4380 WMIC.exe Token: SeRemoteShutdownPrivilege 4380 WMIC.exe Token: SeUndockPrivilege 4380 WMIC.exe Token: SeManageVolumePrivilege 4380 WMIC.exe Token: 33 4380 WMIC.exe Token: 34 4380 WMIC.exe Token: 35 4380 WMIC.exe Token: 36 4380 WMIC.exe Token: SeIncreaseQuotaPrivilege 4380 WMIC.exe Token: SeSecurityPrivilege 4380 WMIC.exe Token: SeTakeOwnershipPrivilege 4380 WMIC.exe Token: SeLoadDriverPrivilege 4380 WMIC.exe Token: SeSystemProfilePrivilege 4380 WMIC.exe Token: SeSystemtimePrivilege 4380 WMIC.exe Token: SeProfSingleProcessPrivilege 4380 WMIC.exe Token: SeIncBasePriorityPrivilege 4380 WMIC.exe Token: SeCreatePagefilePrivilege 4380 WMIC.exe Token: SeBackupPrivilege 4380 WMIC.exe Token: SeRestorePrivilege 4380 WMIC.exe Token: SeShutdownPrivilege 4380 WMIC.exe Token: SeDebugPrivilege 4380 WMIC.exe Token: SeSystemEnvironmentPrivilege 4380 WMIC.exe Token: SeRemoteShutdownPrivilege 4380 WMIC.exe Token: SeUndockPrivilege 4380 WMIC.exe Token: SeManageVolumePrivilege 4380 WMIC.exe Token: 33 4380 WMIC.exe Token: 34 4380 WMIC.exe Token: 35 4380 WMIC.exe Token: 36 4380 WMIC.exe Token: SeBackupPrivilege 3624 vssvc.exe Token: SeRestorePrivilege 3624 vssvc.exe Token: SeAuditPrivilege 3624 vssvc.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
b1f38ef79742e99617096f5f5e223972c805a6006af4e29e9ae8bdee6b1a33c5.exeqaqfewgnypnc.exedescription pid Process procid_target PID 696 wrote to memory of 4604 696 b1f38ef79742e99617096f5f5e223972c805a6006af4e29e9ae8bdee6b1a33c5.exe 82 PID 696 wrote to memory of 4604 696 b1f38ef79742e99617096f5f5e223972c805a6006af4e29e9ae8bdee6b1a33c5.exe 82 PID 696 wrote to memory of 4604 696 b1f38ef79742e99617096f5f5e223972c805a6006af4e29e9ae8bdee6b1a33c5.exe 82 PID 696 wrote to memory of 1484 696 b1f38ef79742e99617096f5f5e223972c805a6006af4e29e9ae8bdee6b1a33c5.exe 83 PID 696 wrote to memory of 1484 696 b1f38ef79742e99617096f5f5e223972c805a6006af4e29e9ae8bdee6b1a33c5.exe 83 PID 696 wrote to memory of 1484 696 b1f38ef79742e99617096f5f5e223972c805a6006af4e29e9ae8bdee6b1a33c5.exe 83 PID 4604 wrote to memory of 4380 4604 qaqfewgnypnc.exe 85 PID 4604 wrote to memory of 4380 4604 qaqfewgnypnc.exe 85 -
System policy modification 1 TTPs 2 IoCs
Processes:
qaqfewgnypnc.exedescription ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System qaqfewgnypnc.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLinkedConnections = "1" qaqfewgnypnc.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\b1f38ef79742e99617096f5f5e223972c805a6006af4e29e9ae8bdee6b1a33c5.exe"C:\Users\Admin\AppData\Local\Temp\b1f38ef79742e99617096f5f5e223972c805a6006af4e29e9ae8bdee6b1a33c5.exe"1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:696 -
C:\Windows\qaqfewgnypnc.exeC:\Windows\qaqfewgnypnc.exe2⤵
- Executes dropped EXE
- Checks computer location settings
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:4604 -
C:\Windows\System32\wbem\WMIC.exe"C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete /nointeractive3⤵
- Suspicious use of AdjustPrivilegeToken
PID:4380
-
-
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c DEL C:\Users\Admin\AppData\Local\Temp\B1F38E~1.EXE2⤵PID:1484
-
-
C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3624
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
424KB
MD57ff229955a92a6ad6937118bcd9c1295
SHA1575d2346161618cde9a2ce04ea3ad762ed01fc64
SHA256b1f38ef79742e99617096f5f5e223972c805a6006af4e29e9ae8bdee6b1a33c5
SHA512e8ebd4a5f572ea6e20b3167cb690c5c207f7ee46d29aff5b05eb6e6baaf5ae2424fb1d73ab55f2b029b368ed9a77b3d6e0f330bf4ee57658f521522ee5e489a4
-
Filesize
424KB
MD57ff229955a92a6ad6937118bcd9c1295
SHA1575d2346161618cde9a2ce04ea3ad762ed01fc64
SHA256b1f38ef79742e99617096f5f5e223972c805a6006af4e29e9ae8bdee6b1a33c5
SHA512e8ebd4a5f572ea6e20b3167cb690c5c207f7ee46d29aff5b05eb6e6baaf5ae2424fb1d73ab55f2b029b368ed9a77b3d6e0f330bf4ee57658f521522ee5e489a4