0bac58d90b6adc3de8ab0527a0a3b8791367ed4ea1ff91aea4582d6dbfd695bb

General

Target
0bac58d90b6adc3de8ab0527a0a3b8791367ed4ea1ff91aea4582d6dbfd695bb.exe
Size 64KB
Sample220207-kppnmaace2
SHA256 0bac58d90b6adc3de8ab0527a0a3b8791367ed4ea1ff91aea4582d6dbfd695bb
MD5 9f66ae4cf67d2bd7a20b358f19a911c6
SHA1 fbba0cf5aaf04cc62986f3f384f649cce3571f12
SHA512 940b6a9536f20fda14cd61c308432c46878eb495bbf9b34d07a2d5c91e84f0d52baea94acb0c4c82a812e5191edb9bfce0c46af3f1bddbad4d4ecf511397da31
MD5 SHA1 SHA512

Score

7^/10

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation	0bac58d90b6adc3de8ab0527a0a3b8791367ed4ea1ff91aea4582d6dbfd695bb.exe

Drops file in Windows directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.log	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.edb	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\ReportingEvents.log	svchost.exe
File opened for modification	C:\Windows\WindowsUpdate.log	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk	svchost.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies registry class 13 IoCs

description	ioc	Process
Key deleted	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000_Classes\Interface\{1EDD003E-C446-43C5-8BA0-3778CC4792CC}\ProxyStubClsid32	reg.exe
Key deleted	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000_Classes\Interface\{2B865677-AC3A-43BD-B9E7-BF6FCD3F0596}\ProxyStubClsid32	reg.exe
Key deleted	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000_Classes\Interface\{2B865677-AC3A-43BD-B9E7-BF6FCD3F0596}\TypeLib	reg.exe
Key deleted	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000_Classes\Interface\{50487D09-FFA9-45E1-8DF5-D457F646CD83}\TypeLib	reg.exe
Key deleted	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000_Classes\Interface\{A87958FF-B414-7748-9183-DBF183A25905}\TypeLib	reg.exe
Key deleted	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000_Classes\Interface	reg.exe
Key deleted	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000_Classes\Interface\{A87958FF-B414-7748-9183-DBF183A25905}	reg.exe
Key deleted	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000_Classes\Interface\{1EDD003E-C446-43C5-8BA0-3778CC4792CC}\TypeLib	reg.exe
Key deleted	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000_Classes\Interface\{1EDD003E-C446-43C5-8BA0-3778CC4792CC}	reg.exe
Key deleted	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000_Classes\Interface\{2B865677-AC3A-43BD-B9E7-BF6FCD3F0596}	reg.exe
Key deleted	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000_Classes\Interface\{50487D09-FFA9-45E1-8DF5-D457F646CD83}\ProxyStubClsid32	reg.exe
Key deleted	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000_Classes\Interface\{50487D09-FFA9-45E1-8DF5-D457F646CD83}	reg.exe
Key deleted	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000_Classes\Interface\{A87958FF-B414-7748-9183-DBF183A25905}\ProxyStubClsid32	reg.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2712	svchost.exe
Token: SeCreatePagefilePrivilege	2712	svchost.exe
Token: SeShutdownPrivilege	2712	svchost.exe
Token: SeCreatePagefilePrivilege	2712	svchost.exe
Token: SeShutdownPrivilege	2712	svchost.exe
Token: SeCreatePagefilePrivilege	2712	svchost.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3500 wrote to memory of 1916	3500	0bac58d90b6adc3de8ab0527a0a3b8791367ed4ea1ff91aea4582d6dbfd695bb.exe	86
PID 3500 wrote to memory of 1916	3500	0bac58d90b6adc3de8ab0527a0a3b8791367ed4ea1ff91aea4582d6dbfd695bb.exe	86
PID 1916 wrote to memory of 4332	1916	cmd.exe	90
PID 1916 wrote to memory of 4332	1916	cmd.exe	90
PID 1916 wrote to memory of 4380	1916	cmd.exe	91
PID 1916 wrote to memory of 4380	1916	cmd.exe	91
PID 1916 wrote to memory of 3964	1916	cmd.exe	92
PID 1916 wrote to memory of 3964	1916	cmd.exe	92
PID 1916 wrote to memory of 3188	1916	cmd.exe	93
PID 1916 wrote to memory of 3188	1916	cmd.exe	93
PID 1916 wrote to memory of 216	1916	cmd.exe	94
PID 1916 wrote to memory of 216	1916	cmd.exe	94

C:\Users\Admin\AppData\Local\Temp\0bac58d90b6adc3de8ab0527a0a3b8791367ed4ea1ff91aea4582d6dbfd695bb.exe
"C:\Users\Admin\AppData\Local\Temp\0bac58d90b6adc3de8ab0527a0a3b8791367ed4ea1ff91aea4582d6dbfd695bb.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3500
- C:\Windows\system32\cmd.exe
  "C:\Windows\sysnative\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\4BB.tmp\4CC.bat C:\Users\Admin\AppData\Local\Temp\0bac58d90b6adc3de8ab0527a0a3b8791367ed4ea1ff91aea4582d6dbfd695bb.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1916
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c dir C:\Users\Admin\AppData\Local\Temp\App\Engine\*.exe /b
    3⤵
    PID:4332
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c dir C:\Users\Admin\AppData\Local\Temp\App\*.exe /b
    3⤵
    PID:4380
- - C:\Windows\system32\reg.exe
    reg delete "HKEY_CURRENT_USER\SOFTWARE\Classes\Interface" /f
    3⤵
    - Modifies registry class
    PID:3964
- - C:\Windows\system32\reg.exe
    reg delete "HKEY_CURRENT_USER\Software\AlanThinker" /f
    3⤵
    PID:3188
- - C:\Windows\system32\reg.exe
    reg add "HKEY_CURRENT_USER\Software\AlanThinker\Data\6" /v "isVideoPlayed" /t REG_SZ /d "True" /f
    3⤵
    PID:216

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:2712

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2712-131-0x0000016FDBBA0000-0x0000016FDBBB0000-memory.dmp

Download

memory/2712-138-0x0000016FDEF80000-0x0000016FDEF84000-memory.dmp