1659503da5d0318c6025ea87b125b4917d53f4f666461b42d7cc2552ac2b3992

General

Target
1659503da5d0318c6025ea87b125b4917d53f4f666461b42d7cc2552ac2b3992.exe
Size 155KB
Sample220220-lxrcvsccfl
SHA256 1659503da5d0318c6025ea87b125b4917d53f4f666461b42d7cc2552ac2b3992
MD5 c5609ab395ee733f889c28d9f93f2af3
SHA1 ee4099fc9381c45aaa32505521a8dbc1daf3ff78
SHA512 39fa80bc077b24b1f8814b19722613b472343dded1fd14b1231e11a6b03c2ae477db2f787a4f2d72b39b611c2070ad833068e2e01fd18e9cab257414e2ce1caf
MD5 SHA1 SHA512

Score

7^/10

persistence

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	1659503da5d0318c6025ea87b125b4917d53f4f666461b42d7cc2552ac2b3992.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svchos = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1659503da5d0318c6025ea87b125b4917d53f4f666461b42d7cc2552ac2b3992.exe"	reg.exe
Key created	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	reg.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4516	1659503da5d0318c6025ea87b125b4917d53f4f666461b42d7cc2552ac2b3992.exe
4516	1659503da5d0318c6025ea87b125b4917d53f4f666461b42d7cc2552ac2b3992.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4516	1659503da5d0318c6025ea87b125b4917d53f4f666461b42d7cc2552ac2b3992.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4516 wrote to memory of 4264	4516	1659503da5d0318c6025ea87b125b4917d53f4f666461b42d7cc2552ac2b3992.exe	82
PID 4516 wrote to memory of 4264	4516	1659503da5d0318c6025ea87b125b4917d53f4f666461b42d7cc2552ac2b3992.exe	82
PID 4516 wrote to memory of 2380	4516	1659503da5d0318c6025ea87b125b4917d53f4f666461b42d7cc2552ac2b3992.exe	44
PID 4264 wrote to memory of 1700	4264	cmd.exe	84
PID 4264 wrote to memory of 1700	4264	cmd.exe	84
PID 4516 wrote to memory of 2408	4516	1659503da5d0318c6025ea87b125b4917d53f4f666461b42d7cc2552ac2b3992.exe	43
PID 4516 wrote to memory of 2704	4516	1659503da5d0318c6025ea87b125b4917d53f4f666461b42d7cc2552ac2b3992.exe	45
PID 4516 wrote to memory of 2604	4516	1659503da5d0318c6025ea87b125b4917d53f4f666461b42d7cc2552ac2b3992.exe	69
PID 4516 wrote to memory of 3236	4516	1659503da5d0318c6025ea87b125b4917d53f4f666461b42d7cc2552ac2b3992.exe	68

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2408

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2380

C:\Windows\system32\taskhostw.exe
taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
1⤵
PID:2704

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:3236

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
1⤵
PID:2604

C:\Users\Admin\AppData\Local\Temp\1659503da5d0318c6025ea87b125b4917d53f4f666461b42d7cc2552ac2b3992.exe
"C:\Users\Admin\AppData\Local\Temp\1659503da5d0318c6025ea87b125b4917d53f4f666461b42d7cc2552ac2b3992.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4516
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /C REG ADD "HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "svchos" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\1659503da5d0318c6025ea87b125b4917d53f4f666461b42d7cc2552ac2b3992.exe" /f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4264
- - C:\Windows\system32\reg.exe
    REG ADD "HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "svchos" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\1659503da5d0318c6025ea87b125b4917d53f4f666461b42d7cc2552ac2b3992.exe" /f
    3⤵
    - Adds Run key to start application
    PID:1700

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

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/2380-130-0x00007FF6933A0000-0x00007FF69372A000-memory.dmp

Download

memory/2408-131-0x00007FF6933A0000-0x00007FF69372A000-memory.dmp