Analysis
-
max time kernel
32s -
max time network
36s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
22-10-2022 12:41
Static task
static1
Behavioral task
behavioral1
Sample
4abdace85327c89f59a735500b0bdaf46a19836dea447febf9003c9be54d7a24.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
4abdace85327c89f59a735500b0bdaf46a19836dea447febf9003c9be54d7a24.exe
Resource
win10v2004-20220812-en
General
-
Target
4abdace85327c89f59a735500b0bdaf46a19836dea447febf9003c9be54d7a24.exe
-
Size
424KB
-
MD5
bd62e5f337506c58955c6cbd644239e0
-
SHA1
22aea8553c104e98c13cc8959497632ce3fecb3e
-
SHA256
4abdace85327c89f59a735500b0bdaf46a19836dea447febf9003c9be54d7a24
-
SHA512
bab3394cecb282ef415a63a6e971f9108094109b41512feb60f7976463cc3d927e6fbd7b58b092e1027da2e92d2c122a2dcd859237978e49f0bb95dd3342ee0e
-
SSDEEP
12288:tmJqaEwQLysD/XDz3qzRdW1DzHpblCJxfS6:tgMLyWDbkElOR1
Malware Config
Extracted
C:\$Recycle.Bin\S-1-5-21-2629973501-4017243118-3254762364-1000\_RECoVERY_+abkob.txt
teslacrypt
http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/36BAE7A85EB8CA3
http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/36BAE7A85EB8CA3
http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/36BAE7A85EB8CA3
http://xlowfznrg4wf7dli.ONION/36BAE7A85EB8CA3
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:
aammhudxqcfe.exepid process 1144 aammhudxqcfe.exe -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
4abdace85327c89f59a735500b0bdaf46a19836dea447febf9003c9be54d7a24.exeaammhudxqcfe.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation 4abdace85327c89f59a735500b0bdaf46a19836dea447febf9003c9be54d7a24.exe Key value queried \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation aammhudxqcfe.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
aammhudxqcfe.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run aammhudxqcfe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\qjwbcdqsxmpj = "C:\\Windows\\system32\\cmd.exe /c start \"\" \"C:\\Windows\\aammhudxqcfe.exe\"" aammhudxqcfe.exe -
Drops file in Program Files directory 64 IoCs
Processes:
aammhudxqcfe.exedescription ioc process File opened for modification C:\Program Files\Common Files\microsoft shared\ink\nl-NL\_RECoVERY_+abkob.html aammhudxqcfe.exe File opened for modification C:\Program Files\Common Files\microsoft shared\MSInfo\ja-JP\_RECoVERY_+abkob.html aammhudxqcfe.exe File opened for modification C:\Program Files\7-Zip\Lang\sv.txt aammhudxqcfe.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\keypad\_RECoVERY_+abkob.png aammhudxqcfe.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\oskmenu\_RECoVERY_+abkob.png aammhudxqcfe.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\_RECoVERY_+abkob.png aammhudxqcfe.exe File opened for modification C:\Program Files\7-Zip\Lang\ba.txt aammhudxqcfe.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\ro-RO\_RECoVERY_+abkob.txt aammhudxqcfe.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\sl-SI\_RECoVERY_+abkob.txt aammhudxqcfe.exe File opened for modification C:\Program Files\7-Zip\Lang\eu.txt aammhudxqcfe.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\oskpred\_RECoVERY_+abkob.png aammhudxqcfe.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\_RECoVERY_+abkob.html aammhudxqcfe.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\zh-TW\_RECoVERY_+abkob.html aammhudxqcfe.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\bg-BG\_RECoVERY_+abkob.txt aammhudxqcfe.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\zh-CN\_RECoVERY_+abkob.html aammhudxqcfe.exe File opened for modification C:\Program Files\7-Zip\Lang\ms.txt aammhudxqcfe.exe File opened for modification C:\Program Files\7-Zip\Lang\pl.txt aammhudxqcfe.exe File opened for modification C:\Program Files\7-Zip\Lang\pt-br.txt aammhudxqcfe.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\ar-SA\_RECoVERY_+abkob.txt aammhudxqcfe.exe File opened for modification C:\Program Files\7-Zip\_RECoVERY_+abkob.html aammhudxqcfe.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fi-FI\_RECoVERY_+abkob.txt aammhudxqcfe.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\tr-TR\_RECoVERY_+abkob.html aammhudxqcfe.exe File opened for modification C:\Program Files\7-Zip\Lang\fy.txt aammhudxqcfe.exe File opened for modification C:\Program Files\7-Zip\Lang\ky.txt aammhudxqcfe.exe File opened for modification C:\Program Files\7-Zip\Lang\ne.txt aammhudxqcfe.exe File opened for modification C:\Program Files\7-Zip\Lang\va.txt aammhudxqcfe.exe File opened for modification C:\Program Files\7-Zip\Lang\ja.txt aammhudxqcfe.exe File opened for modification C:\Program Files\7-Zip\Lang\mr.txt aammhudxqcfe.exe File opened for modification C:\Program Files\7-Zip\_RECoVERY_+abkob.png aammhudxqcfe.exe File opened for modification C:\Program Files\Common Files\microsoft shared\MSInfo\ja-JP\_RECoVERY_+abkob.png aammhudxqcfe.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\lt-LT\_RECoVERY_+abkob.txt aammhudxqcfe.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\ro-RO\_RECoVERY_+abkob.html aammhudxqcfe.exe File opened for modification C:\Program Files\7-Zip\Lang\cy.txt aammhudxqcfe.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\en-GB\_RECoVERY_+abkob.html aammhudxqcfe.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\et-EE\_RECoVERY_+abkob.png aammhudxqcfe.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\hr-HR\_RECoVERY_+abkob.png aammhudxqcfe.exe File opened for modification C:\Program Files\Common Files\microsoft shared\MSInfo\fr-FR\_RECoVERY_+abkob.png aammhudxqcfe.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\en-US\_RECoVERY_+abkob.png aammhudxqcfe.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\et-EE\_RECoVERY_+abkob.html aammhudxqcfe.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\sr-Latn-RS\_RECoVERY_+abkob.html aammhudxqcfe.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\zh-CN\_RECoVERY_+abkob.png aammhudxqcfe.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\pt-PT\_RECoVERY_+abkob.html aammhudxqcfe.exe File opened for modification C:\Program Files\Common Files\microsoft shared\OFFICE16\Office Setup Controller\_RECoVERY_+abkob.png aammhudxqcfe.exe File opened for modification C:\Program Files\7-Zip\Lang\gl.txt aammhudxqcfe.exe File opened for modification C:\Program Files\7-Zip\Lang\ug.txt aammhudxqcfe.exe File opened for modification C:\Program Files\7-Zip\Lang\_RECoVERY_+abkob.png aammhudxqcfe.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\osknumpad\_RECoVERY_+abkob.png aammhudxqcfe.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\zh-CN\_RECoVERY_+abkob.txt aammhudxqcfe.exe File opened for modification C:\Program Files\7-Zip\Lang\be.txt aammhudxqcfe.exe File opened for modification C:\Program Files\7-Zip\Lang\ga.txt aammhudxqcfe.exe File opened for modification C:\Program Files\7-Zip\Lang\id.txt aammhudxqcfe.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\oskclearui\_RECoVERY_+abkob.png aammhudxqcfe.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\en-GB\_RECoVERY_+abkob.txt aammhudxqcfe.exe File opened for modification C:\Program Files\Common Files\microsoft shared\MSInfo\en-US\_RECoVERY_+abkob.html aammhudxqcfe.exe File opened for modification C:\Program Files\7-Zip\Lang\ar.txt aammhudxqcfe.exe File opened for modification C:\Program Files\7-Zip\Lang\kab.txt aammhudxqcfe.exe File opened for modification C:\Program Files\7-Zip\Lang\sl.txt aammhudxqcfe.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\el-GR\_RECoVERY_+abkob.html aammhudxqcfe.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\pl-PL\_RECoVERY_+abkob.html aammhudxqcfe.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\th-TH\_RECoVERY_+abkob.png aammhudxqcfe.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\uk-UA\_RECoVERY_+abkob.html aammhudxqcfe.exe File opened for modification C:\Program Files\7-Zip\Lang\ast.txt aammhudxqcfe.exe File opened for modification C:\Program Files\7-Zip\Lang\da.txt aammhudxqcfe.exe File opened for modification C:\Program Files\7-Zip\Lang\ext.txt aammhudxqcfe.exe -
Drops file in Windows directory 2 IoCs
Processes:
4abdace85327c89f59a735500b0bdaf46a19836dea447febf9003c9be54d7a24.exedescription ioc process File opened for modification C:\Windows\aammhudxqcfe.exe 4abdace85327c89f59a735500b0bdaf46a19836dea447febf9003c9be54d7a24.exe File created C:\Windows\aammhudxqcfe.exe 4abdace85327c89f59a735500b0bdaf46a19836dea447febf9003c9be54d7a24.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Suspicious behavior: EnumeratesProcesses 58 IoCs
Processes:
aammhudxqcfe.exepid process 1144 aammhudxqcfe.exe 1144 aammhudxqcfe.exe 1144 aammhudxqcfe.exe 1144 aammhudxqcfe.exe 1144 aammhudxqcfe.exe 1144 aammhudxqcfe.exe 1144 aammhudxqcfe.exe 1144 aammhudxqcfe.exe 1144 aammhudxqcfe.exe 1144 aammhudxqcfe.exe 1144 aammhudxqcfe.exe 1144 aammhudxqcfe.exe 1144 aammhudxqcfe.exe 1144 aammhudxqcfe.exe 1144 aammhudxqcfe.exe 1144 aammhudxqcfe.exe 1144 aammhudxqcfe.exe 1144 aammhudxqcfe.exe 1144 aammhudxqcfe.exe 1144 aammhudxqcfe.exe 1144 aammhudxqcfe.exe 1144 aammhudxqcfe.exe 1144 aammhudxqcfe.exe 1144 aammhudxqcfe.exe 1144 aammhudxqcfe.exe 1144 aammhudxqcfe.exe 1144 aammhudxqcfe.exe 1144 aammhudxqcfe.exe 1144 aammhudxqcfe.exe 1144 aammhudxqcfe.exe 1144 aammhudxqcfe.exe 1144 aammhudxqcfe.exe 1144 aammhudxqcfe.exe 1144 aammhudxqcfe.exe 1144 aammhudxqcfe.exe 1144 aammhudxqcfe.exe 1144 aammhudxqcfe.exe 1144 aammhudxqcfe.exe 1144 aammhudxqcfe.exe 1144 aammhudxqcfe.exe 1144 aammhudxqcfe.exe 1144 aammhudxqcfe.exe 1144 aammhudxqcfe.exe 1144 aammhudxqcfe.exe 1144 aammhudxqcfe.exe 1144 aammhudxqcfe.exe 1144 aammhudxqcfe.exe 1144 aammhudxqcfe.exe 1144 aammhudxqcfe.exe 1144 aammhudxqcfe.exe 1144 aammhudxqcfe.exe 1144 aammhudxqcfe.exe 1144 aammhudxqcfe.exe 1144 aammhudxqcfe.exe 1144 aammhudxqcfe.exe 1144 aammhudxqcfe.exe 1144 aammhudxqcfe.exe 1144 aammhudxqcfe.exe -
Suspicious use of AdjustPrivilegeToken 47 IoCs
Processes:
4abdace85327c89f59a735500b0bdaf46a19836dea447febf9003c9be54d7a24.exeaammhudxqcfe.exeWMIC.exevssvc.exedescription pid process Token: SeDebugPrivilege 2748 4abdace85327c89f59a735500b0bdaf46a19836dea447febf9003c9be54d7a24.exe Token: SeDebugPrivilege 1144 aammhudxqcfe.exe Token: SeIncreaseQuotaPrivilege 5012 WMIC.exe Token: SeSecurityPrivilege 5012 WMIC.exe Token: SeTakeOwnershipPrivilege 5012 WMIC.exe Token: SeLoadDriverPrivilege 5012 WMIC.exe Token: SeSystemProfilePrivilege 5012 WMIC.exe Token: SeSystemtimePrivilege 5012 WMIC.exe Token: SeProfSingleProcessPrivilege 5012 WMIC.exe Token: SeIncBasePriorityPrivilege 5012 WMIC.exe Token: SeCreatePagefilePrivilege 5012 WMIC.exe Token: SeBackupPrivilege 5012 WMIC.exe Token: SeRestorePrivilege 5012 WMIC.exe Token: SeShutdownPrivilege 5012 WMIC.exe Token: SeDebugPrivilege 5012 WMIC.exe Token: SeSystemEnvironmentPrivilege 5012 WMIC.exe Token: SeRemoteShutdownPrivilege 5012 WMIC.exe Token: SeUndockPrivilege 5012 WMIC.exe Token: SeManageVolumePrivilege 5012 WMIC.exe Token: 33 5012 WMIC.exe Token: 34 5012 WMIC.exe Token: 35 5012 WMIC.exe Token: 36 5012 WMIC.exe Token: SeIncreaseQuotaPrivilege 5012 WMIC.exe Token: SeSecurityPrivilege 5012 WMIC.exe Token: SeTakeOwnershipPrivilege 5012 WMIC.exe Token: SeLoadDriverPrivilege 5012 WMIC.exe Token: SeSystemProfilePrivilege 5012 WMIC.exe Token: SeSystemtimePrivilege 5012 WMIC.exe Token: SeProfSingleProcessPrivilege 5012 WMIC.exe Token: SeIncBasePriorityPrivilege 5012 WMIC.exe Token: SeCreatePagefilePrivilege 5012 WMIC.exe Token: SeBackupPrivilege 5012 WMIC.exe Token: SeRestorePrivilege 5012 WMIC.exe Token: SeShutdownPrivilege 5012 WMIC.exe Token: SeDebugPrivilege 5012 WMIC.exe Token: SeSystemEnvironmentPrivilege 5012 WMIC.exe Token: SeRemoteShutdownPrivilege 5012 WMIC.exe Token: SeUndockPrivilege 5012 WMIC.exe Token: SeManageVolumePrivilege 5012 WMIC.exe Token: 33 5012 WMIC.exe Token: 34 5012 WMIC.exe Token: 35 5012 WMIC.exe Token: 36 5012 WMIC.exe Token: SeBackupPrivilege 4228 vssvc.exe Token: SeRestorePrivilege 4228 vssvc.exe Token: SeAuditPrivilege 4228 vssvc.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
4abdace85327c89f59a735500b0bdaf46a19836dea447febf9003c9be54d7a24.exeaammhudxqcfe.exedescription pid process target process PID 2748 wrote to memory of 1144 2748 4abdace85327c89f59a735500b0bdaf46a19836dea447febf9003c9be54d7a24.exe aammhudxqcfe.exe PID 2748 wrote to memory of 1144 2748 4abdace85327c89f59a735500b0bdaf46a19836dea447febf9003c9be54d7a24.exe aammhudxqcfe.exe PID 2748 wrote to memory of 1144 2748 4abdace85327c89f59a735500b0bdaf46a19836dea447febf9003c9be54d7a24.exe aammhudxqcfe.exe PID 2748 wrote to memory of 4712 2748 4abdace85327c89f59a735500b0bdaf46a19836dea447febf9003c9be54d7a24.exe cmd.exe PID 2748 wrote to memory of 4712 2748 4abdace85327c89f59a735500b0bdaf46a19836dea447febf9003c9be54d7a24.exe cmd.exe PID 2748 wrote to memory of 4712 2748 4abdace85327c89f59a735500b0bdaf46a19836dea447febf9003c9be54d7a24.exe cmd.exe PID 1144 wrote to memory of 5012 1144 aammhudxqcfe.exe WMIC.exe PID 1144 wrote to memory of 5012 1144 aammhudxqcfe.exe WMIC.exe -
System policy modification 1 TTPs 2 IoCs
Processes:
aammhudxqcfe.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System aammhudxqcfe.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLinkedConnections = "1" aammhudxqcfe.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\4abdace85327c89f59a735500b0bdaf46a19836dea447febf9003c9be54d7a24.exe"C:\Users\Admin\AppData\Local\Temp\4abdace85327c89f59a735500b0bdaf46a19836dea447febf9003c9be54d7a24.exe"1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2748 -
C:\Windows\aammhudxqcfe.exeC:\Windows\aammhudxqcfe.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:1144 -
C:\Windows\System32\wbem\WMIC.exe"C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete /nointeractive3⤵
- Suspicious use of AdjustPrivilegeToken
PID:5012
-
-
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c DEL C:\Users\Admin\AppData\Local\Temp\4ABDAC~1.EXE2⤵PID:4712
-
-
C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4228
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
424KB
MD5bd62e5f337506c58955c6cbd644239e0
SHA122aea8553c104e98c13cc8959497632ce3fecb3e
SHA2564abdace85327c89f59a735500b0bdaf46a19836dea447febf9003c9be54d7a24
SHA512bab3394cecb282ef415a63a6e971f9108094109b41512feb60f7976463cc3d927e6fbd7b58b092e1027da2e92d2c122a2dcd859237978e49f0bb95dd3342ee0e
-
Filesize
424KB
MD5bd62e5f337506c58955c6cbd644239e0
SHA122aea8553c104e98c13cc8959497632ce3fecb3e
SHA2564abdace85327c89f59a735500b0bdaf46a19836dea447febf9003c9be54d7a24
SHA512bab3394cecb282ef415a63a6e971f9108094109b41512feb60f7976463cc3d927e6fbd7b58b092e1027da2e92d2c122a2dcd859237978e49f0bb95dd3342ee0e