Analysis
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max time kernel
10s -
max time network
11s -
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 08:55
Static task
static1
Behavioral task
behavioral1
Sample
8ccb96147d6198c9166b9619bfdc67b6f8a8e71318015e3679c6d5b9706f99a7.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
8ccb96147d6198c9166b9619bfdc67b6f8a8e71318015e3679c6d5b9706f99a7.exe
Resource
win10v2004-20220812-en
General
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Target
8ccb96147d6198c9166b9619bfdc67b6f8a8e71318015e3679c6d5b9706f99a7.exe
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Size
404KB
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MD5
eabd3a0897cd161d8ba35caea23d0556
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SHA1
45216a4e48ef209fa244ec2425486db671d55530
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SHA256
8ccb96147d6198c9166b9619bfdc67b6f8a8e71318015e3679c6d5b9706f99a7
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SHA512
40e614c115727609b9ffc5b7ab9ec0c9f4b7162814aded05a3d817510d588ffbe58df419d493f57897df24fe4028ae2d651c21f9be25522badef1770dcbeff51
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SSDEEP
6144:KhgE/69rEIaB8sa1h5kPxnrHBdoeevcQ91R1pQcy4p/FFf2qecRJA6mJOl:wgwGDLsaJkpnroeevca1jNtFFHRJoOl
Malware Config
Extracted
C:\$Recycle.Bin\S-1-5-21-2629973501-4017243118-3254762364-1000\_RECoVERY_+mumww.txt
teslacrypt
http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/47234799E3A39C7F
http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/47234799E3A39C7F
http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/47234799E3A39C7F
http://xlowfznrg4wf7dli.ONION/47234799E3A39C7F
Signatures
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TeslaCrypt, AlphaCrypt
Ransomware based on CryptoLocker. Shut down by the developers in 2016.
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Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Executes dropped EXE 1 IoCs
pid Process 5020 vjvhbjukgler.exe -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation 8ccb96147d6198c9166b9619bfdc67b6f8a8e71318015e3679c6d5b9706f99a7.exe Key value queried \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation vjvhbjukgler.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run vjvhbjukgler.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mklabmtvdald = "C:\\Windows\\system32\\cmd.exe /c start \"\" \"C:\\Windows\\vjvhbjukgler.exe\"" vjvhbjukgler.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\7-Zip\Lang\ext.txt vjvhbjukgler.exe File opened for modification C:\Program Files\7-Zip\_RECoVERY_+mumww.png vjvhbjukgler.exe File opened for modification C:\Program Files\Common Files\DESIGNER\_RECoVERY_+mumww.txt vjvhbjukgler.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\HWRCustomization\_RECoVERY_+mumww.html vjvhbjukgler.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\zh-TW\_RECoVERY_+mumww.txt vjvhbjukgler.exe File opened for modification C:\Program Files\7-Zip\Lang\az.txt vjvhbjukgler.exe File opened for modification C:\Program Files\7-Zip\Lang\va.txt vjvhbjukgler.exe File opened for modification C:\Program Files\7-Zip\License.txt vjvhbjukgler.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fi-FI\_RECoVERY_+mumww.png vjvhbjukgler.exe File opened for modification C:\Program Files\Common Files\microsoft shared\MSInfo\de-DE\_RECoVERY_+mumww.html vjvhbjukgler.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fr-FR\_RECoVERY_+mumww.txt vjvhbjukgler.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\_RECoVERY_+mumww.txt vjvhbjukgler.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\osknav\_RECoVERY_+mumww.png vjvhbjukgler.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\_RECoVERY_+mumww.txt vjvhbjukgler.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\hr-HR\_RECoVERY_+mumww.html vjvhbjukgler.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\hu-HU\_RECoVERY_+mumww.txt vjvhbjukgler.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\pt-BR\_RECoVERY_+mumww.html vjvhbjukgler.exe File opened for modification C:\Program Files\7-Zip\Lang\lij.txt vjvhbjukgler.exe File opened for modification C:\Program Files\7-Zip\Lang\mn.txt vjvhbjukgler.exe File opened for modification C:\Program Files\7-Zip\Lang\ug.txt vjvhbjukgler.exe File opened for modification C:\Program Files\7-Zip\readme.txt vjvhbjukgler.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\_RECoVERY_+mumww.html vjvhbjukgler.exe File opened for modification C:\Program Files\7-Zip\Lang\sr-spc.txt vjvhbjukgler.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\it-IT\_RECoVERY_+mumww.png vjvhbjukgler.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\uk-UA\_RECoVERY_+mumww.txt vjvhbjukgler.exe File opened for modification C:\Program Files\7-Zip\Lang\uz.txt vjvhbjukgler.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\insert\_RECoVERY_+mumww.html vjvhbjukgler.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\oskmenu\_RECoVERY_+mumww.png vjvhbjukgler.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\symbols\_RECoVERY_+mumww.html vjvhbjukgler.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\HWRCustomization\_RECoVERY_+mumww.png vjvhbjukgler.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\ja-JP\_RECoVERY_+mumww.png vjvhbjukgler.exe File opened for modification C:\Program Files\Common Files\microsoft shared\MSInfo\de-DE\_RECoVERY_+mumww.png vjvhbjukgler.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\tr-TR\_RECoVERY_+mumww.html vjvhbjukgler.exe File opened for modification C:\Program Files\7-Zip\Lang\he.txt vjvhbjukgler.exe File opened for modification C:\Program Files\7-Zip\Lang\hu.txt vjvhbjukgler.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\el-GR\_RECoVERY_+mumww.txt vjvhbjukgler.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\es-MX\_RECoVERY_+mumww.txt vjvhbjukgler.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\symbols\_RECoVERY_+mumww.txt vjvhbjukgler.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\it-IT\_RECoVERY_+mumww.html vjvhbjukgler.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\pl-PL\_RECoVERY_+mumww.png vjvhbjukgler.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\cs-CZ\_RECoVERY_+mumww.html vjvhbjukgler.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\oskclearui\_RECoVERY_+mumww.png vjvhbjukgler.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\lt-LT\_RECoVERY_+mumww.png vjvhbjukgler.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\lv-LV\_RECoVERY_+mumww.png vjvhbjukgler.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\pt-PT\_RECoVERY_+mumww.txt vjvhbjukgler.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\sl-SI\_RECoVERY_+mumww.html vjvhbjukgler.exe File opened for modification C:\Program Files\7-Zip\Lang\ms.txt vjvhbjukgler.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\sv-SE\_RECoVERY_+mumww.png vjvhbjukgler.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\tr-TR\_RECoVERY_+mumww.txt vjvhbjukgler.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\et-EE\_RECoVERY_+mumww.png vjvhbjukgler.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\_RECoVERY_+mumww.txt vjvhbjukgler.exe File opened for modification C:\Program Files\7-Zip\Lang\ta.txt vjvhbjukgler.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\de-DE\_RECoVERY_+mumww.txt vjvhbjukgler.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\lt-LT\_RECoVERY_+mumww.html vjvhbjukgler.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\pt-BR\_RECoVERY_+mumww.png vjvhbjukgler.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\ro-RO\_RECoVERY_+mumww.html vjvhbjukgler.exe File opened for modification C:\Program Files\Common Files\microsoft shared\MSInfo\en-US\_RECoVERY_+mumww.png vjvhbjukgler.exe File opened for modification C:\Program Files\7-Zip\Lang\br.txt vjvhbjukgler.exe File opened for modification C:\Program Files\7-Zip\Lang\kab.txt vjvhbjukgler.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\da-DK\_RECoVERY_+mumww.png vjvhbjukgler.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\de-DE\_RECoVERY_+mumww.html vjvhbjukgler.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\keypad\_RECoVERY_+mumww.png vjvhbjukgler.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\hu-HU\_RECoVERY_+mumww.html vjvhbjukgler.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\HWRCustomization\_RECoVERY_+mumww.txt vjvhbjukgler.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\vjvhbjukgler.exe 8ccb96147d6198c9166b9619bfdc67b6f8a8e71318015e3679c6d5b9706f99a7.exe File opened for modification C:\Windows\vjvhbjukgler.exe 8ccb96147d6198c9166b9619bfdc67b6f8a8e71318015e3679c6d5b9706f99a7.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 46 IoCs
pid Process 5020 vjvhbjukgler.exe 5020 vjvhbjukgler.exe 5020 vjvhbjukgler.exe 5020 vjvhbjukgler.exe 5020 vjvhbjukgler.exe 5020 vjvhbjukgler.exe 5020 vjvhbjukgler.exe 5020 vjvhbjukgler.exe 5020 vjvhbjukgler.exe 5020 vjvhbjukgler.exe 5020 vjvhbjukgler.exe 5020 vjvhbjukgler.exe 5020 vjvhbjukgler.exe 5020 vjvhbjukgler.exe 5020 vjvhbjukgler.exe 5020 vjvhbjukgler.exe 5020 vjvhbjukgler.exe 5020 vjvhbjukgler.exe 5020 vjvhbjukgler.exe 5020 vjvhbjukgler.exe 5020 vjvhbjukgler.exe 5020 vjvhbjukgler.exe 5020 vjvhbjukgler.exe 5020 vjvhbjukgler.exe 5020 vjvhbjukgler.exe 5020 vjvhbjukgler.exe 5020 vjvhbjukgler.exe 5020 vjvhbjukgler.exe 5020 vjvhbjukgler.exe 5020 vjvhbjukgler.exe 5020 vjvhbjukgler.exe 5020 vjvhbjukgler.exe 5020 vjvhbjukgler.exe 5020 vjvhbjukgler.exe 5020 vjvhbjukgler.exe 5020 vjvhbjukgler.exe 5020 vjvhbjukgler.exe 5020 vjvhbjukgler.exe 5020 vjvhbjukgler.exe 5020 vjvhbjukgler.exe 5020 vjvhbjukgler.exe 5020 vjvhbjukgler.exe 5020 vjvhbjukgler.exe 5020 vjvhbjukgler.exe 5020 vjvhbjukgler.exe 5020 vjvhbjukgler.exe -
Suspicious use of AdjustPrivilegeToken 47 IoCs
description pid Process Token: SeDebugPrivilege 2100 8ccb96147d6198c9166b9619bfdc67b6f8a8e71318015e3679c6d5b9706f99a7.exe Token: SeDebugPrivilege 5020 vjvhbjukgler.exe Token: SeIncreaseQuotaPrivilege 4072 WMIC.exe Token: SeSecurityPrivilege 4072 WMIC.exe Token: SeTakeOwnershipPrivilege 4072 WMIC.exe Token: SeLoadDriverPrivilege 4072 WMIC.exe Token: SeSystemProfilePrivilege 4072 WMIC.exe Token: SeSystemtimePrivilege 4072 WMIC.exe Token: SeProfSingleProcessPrivilege 4072 WMIC.exe Token: SeIncBasePriorityPrivilege 4072 WMIC.exe Token: SeCreatePagefilePrivilege 4072 WMIC.exe Token: SeBackupPrivilege 4072 WMIC.exe Token: SeRestorePrivilege 4072 WMIC.exe Token: SeShutdownPrivilege 4072 WMIC.exe Token: SeDebugPrivilege 4072 WMIC.exe Token: SeSystemEnvironmentPrivilege 4072 WMIC.exe Token: SeRemoteShutdownPrivilege 4072 WMIC.exe Token: SeUndockPrivilege 4072 WMIC.exe Token: SeManageVolumePrivilege 4072 WMIC.exe Token: 33 4072 WMIC.exe Token: 34 4072 WMIC.exe Token: 35 4072 WMIC.exe Token: 36 4072 WMIC.exe Token: SeIncreaseQuotaPrivilege 4072 WMIC.exe Token: SeSecurityPrivilege 4072 WMIC.exe Token: SeTakeOwnershipPrivilege 4072 WMIC.exe Token: SeLoadDriverPrivilege 4072 WMIC.exe Token: SeSystemProfilePrivilege 4072 WMIC.exe Token: SeSystemtimePrivilege 4072 WMIC.exe Token: SeProfSingleProcessPrivilege 4072 WMIC.exe Token: SeIncBasePriorityPrivilege 4072 WMIC.exe Token: SeCreatePagefilePrivilege 4072 WMIC.exe Token: SeBackupPrivilege 4072 WMIC.exe Token: SeRestorePrivilege 4072 WMIC.exe Token: SeShutdownPrivilege 4072 WMIC.exe Token: SeDebugPrivilege 4072 WMIC.exe Token: SeSystemEnvironmentPrivilege 4072 WMIC.exe Token: SeRemoteShutdownPrivilege 4072 WMIC.exe Token: SeUndockPrivilege 4072 WMIC.exe Token: SeManageVolumePrivilege 4072 WMIC.exe Token: 33 4072 WMIC.exe Token: 34 4072 WMIC.exe Token: 35 4072 WMIC.exe Token: 36 4072 WMIC.exe Token: SeBackupPrivilege 4220 vssvc.exe Token: SeRestorePrivilege 4220 vssvc.exe Token: SeAuditPrivilege 4220 vssvc.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2100 wrote to memory of 5020 2100 8ccb96147d6198c9166b9619bfdc67b6f8a8e71318015e3679c6d5b9706f99a7.exe 83 PID 2100 wrote to memory of 5020 2100 8ccb96147d6198c9166b9619bfdc67b6f8a8e71318015e3679c6d5b9706f99a7.exe 83 PID 2100 wrote to memory of 5020 2100 8ccb96147d6198c9166b9619bfdc67b6f8a8e71318015e3679c6d5b9706f99a7.exe 83 PID 2100 wrote to memory of 2828 2100 8ccb96147d6198c9166b9619bfdc67b6f8a8e71318015e3679c6d5b9706f99a7.exe 84 PID 2100 wrote to memory of 2828 2100 8ccb96147d6198c9166b9619bfdc67b6f8a8e71318015e3679c6d5b9706f99a7.exe 84 PID 2100 wrote to memory of 2828 2100 8ccb96147d6198c9166b9619bfdc67b6f8a8e71318015e3679c6d5b9706f99a7.exe 84 PID 5020 wrote to memory of 4072 5020 vjvhbjukgler.exe 89 PID 5020 wrote to memory of 4072 5020 vjvhbjukgler.exe 89 -
System policy modification 1 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System vjvhbjukgler.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLinkedConnections = "1" vjvhbjukgler.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\8ccb96147d6198c9166b9619bfdc67b6f8a8e71318015e3679c6d5b9706f99a7.exe"C:\Users\Admin\AppData\Local\Temp\8ccb96147d6198c9166b9619bfdc67b6f8a8e71318015e3679c6d5b9706f99a7.exe"1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2100 -
C:\Windows\vjvhbjukgler.exeC:\Windows\vjvhbjukgler.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:5020 -
C:\Windows\System32\wbem\WMIC.exe"C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete /nointeractive3⤵
- Suspicious use of AdjustPrivilegeToken
PID:4072
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c DEL C:\Users\Admin\AppData\Local\Temp\8CCB96~1.EXE2⤵PID:2828
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4220
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
404KB
MD5eabd3a0897cd161d8ba35caea23d0556
SHA145216a4e48ef209fa244ec2425486db671d55530
SHA2568ccb96147d6198c9166b9619bfdc67b6f8a8e71318015e3679c6d5b9706f99a7
SHA51240e614c115727609b9ffc5b7ab9ec0c9f4b7162814aded05a3d817510d588ffbe58df419d493f57897df24fe4028ae2d651c21f9be25522badef1770dcbeff51
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Filesize
404KB
MD5eabd3a0897cd161d8ba35caea23d0556
SHA145216a4e48ef209fa244ec2425486db671d55530
SHA2568ccb96147d6198c9166b9619bfdc67b6f8a8e71318015e3679c6d5b9706f99a7
SHA51240e614c115727609b9ffc5b7ab9ec0c9f4b7162814aded05a3d817510d588ffbe58df419d493f57897df24fe4028ae2d651c21f9be25522badef1770dcbeff51