137d99c10c38f42b4db7b6c94376600844bcc2a878d94a31f98982c44b3baee0

Analysis

max time kernel
148s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
07-11-2022 14:14

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General

Target

137d99c10c38f42b4db7b6c94376600844bcc2a878d94a31f98982c44b3baee0.exe
Size

122KB
MD5

0433c60a249730829b9df7c66585280a
SHA1

a578a54514a0faf9f00435d153ec74ccb803f0c4
SHA256

137d99c10c38f42b4db7b6c94376600844bcc2a878d94a31f98982c44b3baee0
SHA512

cbdd16addb2c72082b7fdb713225203d6ed6640e9ff827f4f40147ea17830d436a535564536a0a2118b0f9c8d92b0a87e11976d93d9bc42f079456698d230be5
SSDEEP

3072:sufO+VTTywpp4PcShif3MKyeI7+uhmqWMGrsN4s/u:9NTywr4vif3MwY+uhfN5G

Score

8^/10

persistence

Malware Config

Signatures

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\8372 = "C:\\PROGRA~3\\LOCALS~1\\Temp\\msoqhl.exe"	svchost.exe

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\disk\enum	137d99c10c38f42b4db7b6c94376600844bcc2a878d94a31f98982c44b3baee0.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	137d99c10c38f42b4db7b6c94376600844bcc2a878d94a31f98982c44b3baee0.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1308 set thread context of 4936	1308	137d99c10c38f42b4db7b6c94376600844bcc2a878d94a31f98982c44b3baee0.exe	82

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\PROGRA~3\LOCALS~1\Temp\msoqhl.exe	svchost.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
4936	137d99c10c38f42b4db7b6c94376600844bcc2a878d94a31f98982c44b3baee0.exe
4936	137d99c10c38f42b4db7b6c94376600844bcc2a878d94a31f98982c44b3baee0.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
4936	137d99c10c38f42b4db7b6c94376600844bcc2a878d94a31f98982c44b3baee0.exe
4936	137d99c10c38f42b4db7b6c94376600844bcc2a878d94a31f98982c44b3baee0.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1308	137d99c10c38f42b4db7b6c94376600844bcc2a878d94a31f98982c44b3baee0.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1308 wrote to memory of 4936	1308	137d99c10c38f42b4db7b6c94376600844bcc2a878d94a31f98982c44b3baee0.exe	82
PID 1308 wrote to memory of 4936	1308	137d99c10c38f42b4db7b6c94376600844bcc2a878d94a31f98982c44b3baee0.exe	82
PID 1308 wrote to memory of 4936	1308	137d99c10c38f42b4db7b6c94376600844bcc2a878d94a31f98982c44b3baee0.exe	82
PID 1308 wrote to memory of 4936	1308	137d99c10c38f42b4db7b6c94376600844bcc2a878d94a31f98982c44b3baee0.exe	82
PID 1308 wrote to memory of 4936	1308	137d99c10c38f42b4db7b6c94376600844bcc2a878d94a31f98982c44b3baee0.exe	82
PID 1308 wrote to memory of 4936	1308	137d99c10c38f42b4db7b6c94376600844bcc2a878d94a31f98982c44b3baee0.exe	82
PID 4936 wrote to memory of 3708	4936	137d99c10c38f42b4db7b6c94376600844bcc2a878d94a31f98982c44b3baee0.exe	83
PID 4936 wrote to memory of 3708	4936	137d99c10c38f42b4db7b6c94376600844bcc2a878d94a31f98982c44b3baee0.exe	83
PID 4936 wrote to memory of 3708	4936	137d99c10c38f42b4db7b6c94376600844bcc2a878d94a31f98982c44b3baee0.exe	83

C:\Users\Admin\AppData\Local\Temp\137d99c10c38f42b4db7b6c94376600844bcc2a878d94a31f98982c44b3baee0.exe
"C:\Users\Admin\AppData\Local\Temp\137d99c10c38f42b4db7b6c94376600844bcc2a878d94a31f98982c44b3baee0.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1308
- C:\Users\Admin\AppData\Local\Temp\137d99c10c38f42b4db7b6c94376600844bcc2a878d94a31f98982c44b3baee0.exe
  C:\Users\Admin\AppData\Local\Temp\137d99c10c38f42b4db7b6c94376600844bcc2a878d94a31f98982c44b3baee0.exe
  2⤵
  - Maps connected drives based on registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:4936
- - C:\Windows\SysWOW64\svchost.exe
    C:\Windows\syswow64\svchost.exe
    3⤵
    - Adds policy Run key to start application
    - Drops file in Program Files directory
    PID:3708

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1308-132-0x0000000074C60000-0x0000000075211000-memory.dmp

Filesize
5.7MB

Download
memory/1308-133-0x0000000074C60000-0x0000000075211000-memory.dmp

Filesize
5.7MB

Download
memory/1308-137-0x0000000074C60000-0x0000000075211000-memory.dmp

Filesize
5.7MB

Download
memory/3708-138-0x0000000000D40000-0x0000000000D4E000-memory.dmp

Filesize
56KB

Download
memory/3708-139-0x0000000000880000-0x0000000000885000-memory.dmp

Filesize
20KB

Download
memory/3708-140-0x0000000000880000-0x0000000000885000-memory.dmp

Filesize
20KB

Download
memory/4936-135-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download