Analysis
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max time kernel
166s -
max time network
174s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
03-07-2022 18:19
Static task
static1
Behavioral task
behavioral1
Sample
3af2655c4fc69d0ac9713bc32d00950a3f62e46bfacfec63d9028a8659fcd245.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
3af2655c4fc69d0ac9713bc32d00950a3f62e46bfacfec63d9028a8659fcd245.exe
Resource
win10v2004-20220414-en
General
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Target
3af2655c4fc69d0ac9713bc32d00950a3f62e46bfacfec63d9028a8659fcd245.exe
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Size
424KB
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MD5
1f6c2ee7195acf760cb3be66590d70fb
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SHA1
483fe52b42e290a146b9b01ddd0aed4615a31508
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SHA256
3af2655c4fc69d0ac9713bc32d00950a3f62e46bfacfec63d9028a8659fcd245
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SHA512
a0fb9d84671c5db5dce2482a5b348b7ebc6d8af5cd098304c3ce43fa34f58aff15c90daaedeef5ddb2f852b44aba67b88fda69631a07ce88b4869fdee1f86934
Malware Config
Extracted
C:\$Recycle.Bin\S-1-5-21-2632097139-1792035885-811742494-1000\_RECoVERY_+jdivf.txt
teslacrypt
http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/31124EA0C012C73A
http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/31124EA0C012C73A
http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/31124EA0C012C73A
http://xlowfznrg4wf7dli.ONION/31124EA0C012C73A
Signatures
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TeslaCrypt, AlphaCrypt
Ransomware based on CryptoLocker. Shut down by the developers in 2016.
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suricata: ET MALWARE Alphacrypt/TeslaCrypt Ransomware CnC Beacon
suricata: ET MALWARE Alphacrypt/TeslaCrypt Ransomware CnC Beacon
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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
Processes:
xnbggkjqgvwq.exepid Process 4724 xnbggkjqgvwq.exe -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
3af2655c4fc69d0ac9713bc32d00950a3f62e46bfacfec63d9028a8659fcd245.exexnbggkjqgvwq.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation 3af2655c4fc69d0ac9713bc32d00950a3f62e46bfacfec63d9028a8659fcd245.exe Key value queried \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation xnbggkjqgvwq.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
xnbggkjqgvwq.exedescription ioc Process Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows\CurrentVersion\Run xnbggkjqgvwq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hvgmxdcphtfm = "C:\\Windows\\system32\\cmd.exe /c start \"\" \"C:\\Windows\\xnbggkjqgvwq.exe\"" xnbggkjqgvwq.exe -
Drops file in Program Files directory 64 IoCs
Processes:
xnbggkjqgvwq.exedescription ioc Process File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fr-CA\_RECoVERY_+jdivf.txt xnbggkjqgvwq.exe File opened for modification C:\Program Files\Common Files\System\es-ES\_RECoVERY_+jdivf.txt xnbggkjqgvwq.exe File opened for modification C:\Program Files\Common Files\System\ja-JP\_RECoVERY_+jdivf.png xnbggkjqgvwq.exe File opened for modification C:\Program Files\7-Zip\Lang\mk.txt xnbggkjqgvwq.exe File opened for modification C:\Program Files\7-Zip\Lang\ms.txt xnbggkjqgvwq.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\pt-PT\_RECoVERY_+jdivf.png xnbggkjqgvwq.exe File opened for modification C:\Program Files\Common Files\microsoft shared\VSTO\10.0\1033\_RECoVERY_+jdivf.txt xnbggkjqgvwq.exe File opened for modification C:\Program Files\Common Files\System\de-DE\_RECoVERY_+jdivf.txt xnbggkjqgvwq.exe File opened for modification C:\Program Files\7-Zip\Lang\eu.txt xnbggkjqgvwq.exe File opened for modification C:\Program Files\7-Zip\License.txt xnbggkjqgvwq.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\cs-CZ\_RECoVERY_+jdivf.txt xnbggkjqgvwq.exe File opened for modification C:\Program Files\Common Files\System\msadc\es-ES\_RECoVERY_+jdivf.txt xnbggkjqgvwq.exe File opened for modification C:\Program Files\Common Files\microsoft shared\Triedit\_RECoVERY_+jdivf.png xnbggkjqgvwq.exe File opened for modification C:\Program Files\Common Files\System\Ole DB\fr-FR\_RECoVERY_+jdivf.html xnbggkjqgvwq.exe File opened for modification C:\Program Files\7-Zip\Lang\da.txt xnbggkjqgvwq.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\el-GR\_RECoVERY_+jdivf.html xnbggkjqgvwq.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fi-FI\_RECoVERY_+jdivf.png xnbggkjqgvwq.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\nb-NO\_RECoVERY_+jdivf.txt xnbggkjqgvwq.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\sl-SI\_RECoVERY_+jdivf.html xnbggkjqgvwq.exe File opened for modification C:\Program Files\Common Files\microsoft shared\MSInfo\_RECoVERY_+jdivf.png xnbggkjqgvwq.exe File opened for modification C:\Program Files\Google\Chrome\Application\89.0.4389.114\Installer\chrome.7z xnbggkjqgvwq.exe File opened for modification C:\Program Files\7-Zip\Lang\sq.txt xnbggkjqgvwq.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\_RECoVERY_+jdivf.txt xnbggkjqgvwq.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\oskclearui\_RECoVERY_+jdivf.png xnbggkjqgvwq.exe File opened for modification C:\Program Files\Common Files\microsoft shared\OfficeSoftwareProtectionPlatform\_RECoVERY_+jdivf.png xnbggkjqgvwq.exe File opened for modification C:\Program Files\Common Files\System\Ole DB\en-US\_RECoVERY_+jdivf.txt xnbggkjqgvwq.exe File opened for modification C:\Program Files\FormatAssert.wmv xnbggkjqgvwq.exe File opened for modification C:\Program Files\7-Zip\Lang\fy.txt xnbggkjqgvwq.exe File opened for modification C:\Program Files\7-Zip\Lang\pt-br.txt xnbggkjqgvwq.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\en-US\_RECoVERY_+jdivf.txt xnbggkjqgvwq.exe File opened for modification C:\Program Files\Common Files\microsoft shared\VSTO\10.0\_RECoVERY_+jdivf.html xnbggkjqgvwq.exe File opened for modification C:\Program Files\Common Files\System\msadc\fr-FR\_RECoVERY_+jdivf.txt xnbggkjqgvwq.exe File opened for modification C:\Program Files\7-Zip\Lang\kaa.txt xnbggkjqgvwq.exe File opened for modification C:\Program Files\7-Zip\Lang\ne.txt xnbggkjqgvwq.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\ar-SA\_RECoVERY_+jdivf.html xnbggkjqgvwq.exe File opened for modification C:\Program Files\Common Files\microsoft shared\OFFICE16\_RECoVERY_+jdivf.png xnbggkjqgvwq.exe File opened for modification C:\Program Files\7-Zip\Lang\zh-cn.txt xnbggkjqgvwq.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\_RECoVERY_+jdivf.html xnbggkjqgvwq.exe File opened for modification C:\Program Files\Common Files\microsoft shared\VSTO\_RECoVERY_+jdivf.png xnbggkjqgvwq.exe File opened for modification C:\Program Files\Common Files\System\Ole DB\it-IT\_RECoVERY_+jdivf.png xnbggkjqgvwq.exe File opened for modification C:\Program Files\7-Zip\Lang\ky.txt xnbggkjqgvwq.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\insert\_RECoVERY_+jdivf.txt xnbggkjqgvwq.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\el-GR\_RECoVERY_+jdivf.png xnbggkjqgvwq.exe File opened for modification C:\Program Files\Common Files\_RECoVERY_+jdivf.png xnbggkjqgvwq.exe File opened for modification C:\Program Files\Common Files\System\msadc\fr-FR\_RECoVERY_+jdivf.html xnbggkjqgvwq.exe File opened for modification C:\Program Files\7-Zip\History.txt xnbggkjqgvwq.exe File opened for modification C:\Program Files\7-Zip\Lang\pa-in.txt xnbggkjqgvwq.exe File opened for modification C:\Program Files\7-Zip\Lang\va.txt xnbggkjqgvwq.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\de-DE\_RECoVERY_+jdivf.txt xnbggkjqgvwq.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\en-US\_RECoVERY_+jdivf.html xnbggkjqgvwq.exe File opened for modification C:\Program Files\Common Files\microsoft shared\MSInfo\en-US\_RECoVERY_+jdivf.html xnbggkjqgvwq.exe File opened for modification C:\Program Files\Common Files\microsoft shared\OfficeSoftwareProtectionPlatform\_RECoVERY_+jdivf.html xnbggkjqgvwq.exe File opened for modification C:\Program Files\Common Files\System\Ole DB\de-DE\_RECoVERY_+jdivf.txt xnbggkjqgvwq.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\_RECoVERY_+jdivf.png xnbggkjqgvwq.exe File opened for modification C:\Program Files\Common Files\System\Ole DB\en-US\_RECoVERY_+jdivf.html xnbggkjqgvwq.exe File opened for modification C:\Program Files\7-Zip\Lang\hi.txt xnbggkjqgvwq.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\ar-SA\_RECoVERY_+jdivf.png xnbggkjqgvwq.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\bg-BG\_RECoVERY_+jdivf.png xnbggkjqgvwq.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\auxpad\_RECoVERY_+jdivf.txt xnbggkjqgvwq.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\HWRCustomization\_RECoVERY_+jdivf.png xnbggkjqgvwq.exe File opened for modification C:\Program Files\Common Files\microsoft shared\MSInfo\fr-FR\_RECoVERY_+jdivf.png xnbggkjqgvwq.exe File opened for modification C:\Program Files\Common Files\microsoft shared\VSTO\10.0\_RECoVERY_+jdivf.png xnbggkjqgvwq.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\hr-HR\_RECoVERY_+jdivf.txt xnbggkjqgvwq.exe File opened for modification C:\Program Files\Common Files\System\ado\es-ES\_RECoVERY_+jdivf.html xnbggkjqgvwq.exe -
Drops file in Windows directory 2 IoCs
Processes:
3af2655c4fc69d0ac9713bc32d00950a3f62e46bfacfec63d9028a8659fcd245.exedescription ioc Process File created C:\Windows\xnbggkjqgvwq.exe 3af2655c4fc69d0ac9713bc32d00950a3f62e46bfacfec63d9028a8659fcd245.exe File opened for modification C:\Windows\xnbggkjqgvwq.exe 3af2655c4fc69d0ac9713bc32d00950a3f62e46bfacfec63d9028a8659fcd245.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 64 IoCs
Processes:
xnbggkjqgvwq.exepid Process 4724 xnbggkjqgvwq.exe 4724 xnbggkjqgvwq.exe 4724 xnbggkjqgvwq.exe 4724 xnbggkjqgvwq.exe 4724 xnbggkjqgvwq.exe 4724 xnbggkjqgvwq.exe 4724 xnbggkjqgvwq.exe 4724 xnbggkjqgvwq.exe 4724 xnbggkjqgvwq.exe 4724 xnbggkjqgvwq.exe 4724 xnbggkjqgvwq.exe 4724 xnbggkjqgvwq.exe 4724 xnbggkjqgvwq.exe 4724 xnbggkjqgvwq.exe 4724 xnbggkjqgvwq.exe 4724 xnbggkjqgvwq.exe 4724 xnbggkjqgvwq.exe 4724 xnbggkjqgvwq.exe 4724 xnbggkjqgvwq.exe 4724 xnbggkjqgvwq.exe 4724 xnbggkjqgvwq.exe 4724 xnbggkjqgvwq.exe 4724 xnbggkjqgvwq.exe 4724 xnbggkjqgvwq.exe 4724 xnbggkjqgvwq.exe 4724 xnbggkjqgvwq.exe 4724 xnbggkjqgvwq.exe 4724 xnbggkjqgvwq.exe 4724 xnbggkjqgvwq.exe 4724 xnbggkjqgvwq.exe 4724 xnbggkjqgvwq.exe 4724 xnbggkjqgvwq.exe 4724 xnbggkjqgvwq.exe 4724 xnbggkjqgvwq.exe 4724 xnbggkjqgvwq.exe 4724 xnbggkjqgvwq.exe 4724 xnbggkjqgvwq.exe 4724 xnbggkjqgvwq.exe 4724 xnbggkjqgvwq.exe 4724 xnbggkjqgvwq.exe 4724 xnbggkjqgvwq.exe 4724 xnbggkjqgvwq.exe 4724 xnbggkjqgvwq.exe 4724 xnbggkjqgvwq.exe 4724 xnbggkjqgvwq.exe 4724 xnbggkjqgvwq.exe 4724 xnbggkjqgvwq.exe 4724 xnbggkjqgvwq.exe 4724 xnbggkjqgvwq.exe 4724 xnbggkjqgvwq.exe 4724 xnbggkjqgvwq.exe 4724 xnbggkjqgvwq.exe 4724 xnbggkjqgvwq.exe 4724 xnbggkjqgvwq.exe 4724 xnbggkjqgvwq.exe 4724 xnbggkjqgvwq.exe 4724 xnbggkjqgvwq.exe 4724 xnbggkjqgvwq.exe 4724 xnbggkjqgvwq.exe 4724 xnbggkjqgvwq.exe 4724 xnbggkjqgvwq.exe 4724 xnbggkjqgvwq.exe 4724 xnbggkjqgvwq.exe 4724 xnbggkjqgvwq.exe -
Suspicious use of AdjustPrivilegeToken 47 IoCs
Processes:
3af2655c4fc69d0ac9713bc32d00950a3f62e46bfacfec63d9028a8659fcd245.exexnbggkjqgvwq.exeWMIC.exevssvc.exedescription pid Process Token: SeDebugPrivilege 4344 3af2655c4fc69d0ac9713bc32d00950a3f62e46bfacfec63d9028a8659fcd245.exe Token: SeDebugPrivilege 4724 xnbggkjqgvwq.exe Token: SeIncreaseQuotaPrivilege 4304 WMIC.exe Token: SeSecurityPrivilege 4304 WMIC.exe Token: SeTakeOwnershipPrivilege 4304 WMIC.exe Token: SeLoadDriverPrivilege 4304 WMIC.exe Token: SeSystemProfilePrivilege 4304 WMIC.exe Token: SeSystemtimePrivilege 4304 WMIC.exe Token: SeProfSingleProcessPrivilege 4304 WMIC.exe Token: SeIncBasePriorityPrivilege 4304 WMIC.exe Token: SeCreatePagefilePrivilege 4304 WMIC.exe Token: SeBackupPrivilege 4304 WMIC.exe Token: SeRestorePrivilege 4304 WMIC.exe Token: SeShutdownPrivilege 4304 WMIC.exe Token: SeDebugPrivilege 4304 WMIC.exe Token: SeSystemEnvironmentPrivilege 4304 WMIC.exe Token: SeRemoteShutdownPrivilege 4304 WMIC.exe Token: SeUndockPrivilege 4304 WMIC.exe Token: SeManageVolumePrivilege 4304 WMIC.exe Token: 33 4304 WMIC.exe Token: 34 4304 WMIC.exe Token: 35 4304 WMIC.exe Token: 36 4304 WMIC.exe Token: SeIncreaseQuotaPrivilege 4304 WMIC.exe Token: SeSecurityPrivilege 4304 WMIC.exe Token: SeTakeOwnershipPrivilege 4304 WMIC.exe Token: SeLoadDriverPrivilege 4304 WMIC.exe Token: SeSystemProfilePrivilege 4304 WMIC.exe Token: SeSystemtimePrivilege 4304 WMIC.exe Token: SeProfSingleProcessPrivilege 4304 WMIC.exe Token: SeIncBasePriorityPrivilege 4304 WMIC.exe Token: SeCreatePagefilePrivilege 4304 WMIC.exe Token: SeBackupPrivilege 4304 WMIC.exe Token: SeRestorePrivilege 4304 WMIC.exe Token: SeShutdownPrivilege 4304 WMIC.exe Token: SeDebugPrivilege 4304 WMIC.exe Token: SeSystemEnvironmentPrivilege 4304 WMIC.exe Token: SeRemoteShutdownPrivilege 4304 WMIC.exe Token: SeUndockPrivilege 4304 WMIC.exe Token: SeManageVolumePrivilege 4304 WMIC.exe Token: 33 4304 WMIC.exe Token: 34 4304 WMIC.exe Token: 35 4304 WMIC.exe Token: 36 4304 WMIC.exe Token: SeBackupPrivilege 2464 vssvc.exe Token: SeRestorePrivilege 2464 vssvc.exe Token: SeAuditPrivilege 2464 vssvc.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
3af2655c4fc69d0ac9713bc32d00950a3f62e46bfacfec63d9028a8659fcd245.exexnbggkjqgvwq.exedescription pid Process procid_target PID 4344 wrote to memory of 4724 4344 3af2655c4fc69d0ac9713bc32d00950a3f62e46bfacfec63d9028a8659fcd245.exe 79 PID 4344 wrote to memory of 4724 4344 3af2655c4fc69d0ac9713bc32d00950a3f62e46bfacfec63d9028a8659fcd245.exe 79 PID 4344 wrote to memory of 4724 4344 3af2655c4fc69d0ac9713bc32d00950a3f62e46bfacfec63d9028a8659fcd245.exe 79 PID 4344 wrote to memory of 4780 4344 3af2655c4fc69d0ac9713bc32d00950a3f62e46bfacfec63d9028a8659fcd245.exe 80 PID 4344 wrote to memory of 4780 4344 3af2655c4fc69d0ac9713bc32d00950a3f62e46bfacfec63d9028a8659fcd245.exe 80 PID 4344 wrote to memory of 4780 4344 3af2655c4fc69d0ac9713bc32d00950a3f62e46bfacfec63d9028a8659fcd245.exe 80 PID 4724 wrote to memory of 4304 4724 xnbggkjqgvwq.exe 81 PID 4724 wrote to memory of 4304 4724 xnbggkjqgvwq.exe 81 -
System policy modification 1 TTPs 2 IoCs
Processes:
xnbggkjqgvwq.exedescription ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System xnbggkjqgvwq.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLinkedConnections = "1" xnbggkjqgvwq.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\3af2655c4fc69d0ac9713bc32d00950a3f62e46bfacfec63d9028a8659fcd245.exe"C:\Users\Admin\AppData\Local\Temp\3af2655c4fc69d0ac9713bc32d00950a3f62e46bfacfec63d9028a8659fcd245.exe"1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4344 -
C:\Windows\xnbggkjqgvwq.exeC:\Windows\xnbggkjqgvwq.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:4724 -
C:\Windows\System32\wbem\WMIC.exe"C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete /nointeractive3⤵
- Suspicious use of AdjustPrivilegeToken
PID:4304
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c DEL C:\Users\Admin\AppData\Local\Temp\3AF265~1.EXE2⤵PID:4780
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2464
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
424KB
MD51f6c2ee7195acf760cb3be66590d70fb
SHA1483fe52b42e290a146b9b01ddd0aed4615a31508
SHA2563af2655c4fc69d0ac9713bc32d00950a3f62e46bfacfec63d9028a8659fcd245
SHA512a0fb9d84671c5db5dce2482a5b348b7ebc6d8af5cd098304c3ce43fa34f58aff15c90daaedeef5ddb2f852b44aba67b88fda69631a07ce88b4869fdee1f86934
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Filesize
424KB
MD51f6c2ee7195acf760cb3be66590d70fb
SHA1483fe52b42e290a146b9b01ddd0aed4615a31508
SHA2563af2655c4fc69d0ac9713bc32d00950a3f62e46bfacfec63d9028a8659fcd245
SHA512a0fb9d84671c5db5dce2482a5b348b7ebc6d8af5cd098304c3ce43fa34f58aff15c90daaedeef5ddb2f852b44aba67b88fda69631a07ce88b4869fdee1f86934