9c06619c911dc9aeb11f6a73925e4c8e839d27b9ab79e0ce040e686d6763132c

Analysis

max time kernel
151s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
27/11/2022, 21:12

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General

Target

9c06619c911dc9aeb11f6a73925e4c8e839d27b9ab79e0ce040e686d6763132c.exe
Size

372KB
MD5

1e1b80a07f00b2c2edac7c613b03decd
SHA1

0418955f6d685da9c069a116994c2970b8a0f8f9
SHA256

9c06619c911dc9aeb11f6a73925e4c8e839d27b9ab79e0ce040e686d6763132c
SHA512

ecc012766ff45a9411c484bed28e9d81c2c905872728e71a9c9cad80f7901b8b450b241609bd8c49ece85d397bf3259e2f23941744b51bfe1e72121793269613
SSDEEP

6144:RAlGAl/iEj4XO4eKPujeLJJSENknFRn9i7MjWlVgfkWOof115FTIA:zwi9VRJSEqnr46WSM6f115

Score

8^/10

evasion persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3632	svcmost.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
1816	netsh.exe

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-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	9c06619c911dc9aeb11f6a73925e4c8e839d27b9ab79e0ce040e686d6763132c.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\3ee44995c964b68fdb52c6e311917841.exe	svcmost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\3ee44995c964b68fdb52c6e311917841.exe	svcmost.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-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\3ee44995c964b68fdb52c6e311917841 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\svcmost.exe\" .."	svcmost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\3ee44995c964b68fdb52c6e311917841 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\svcmost.exe\" .."	svcmost.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 6 IoCs

pid	Process
3632	svcmost.exe
3632	svcmost.exe
3632	svcmost.exe
3632	svcmost.exe
3632	svcmost.exe
3632	svcmost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3632	svcmost.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3700 wrote to memory of 3632	3700	9c06619c911dc9aeb11f6a73925e4c8e839d27b9ab79e0ce040e686d6763132c.exe	83
PID 3700 wrote to memory of 3632	3700	9c06619c911dc9aeb11f6a73925e4c8e839d27b9ab79e0ce040e686d6763132c.exe	83
PID 3632 wrote to memory of 1816	3632	svcmost.exe	84
PID 3632 wrote to memory of 1816	3632	svcmost.exe	84

C:\Users\Admin\AppData\Local\Temp\9c06619c911dc9aeb11f6a73925e4c8e839d27b9ab79e0ce040e686d6763132c.exe
"C:\Users\Admin\AppData\Local\Temp\9c06619c911dc9aeb11f6a73925e4c8e839d27b9ab79e0ce040e686d6763132c.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3700
- C:\Users\Admin\AppData\Local\Temp\svcmost.exe
  "C:\Users\Admin\AppData\Local\Temp\svcmost.exe"
  2⤵
  - Executes dropped EXE
  - Drops startup file
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3632
- - C:\Windows\SYSTEM32\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\svcmost.exe" "svcmost.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:1816

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

T1031

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\svcmost.exe

Filesize
372KB

MD5
1e1b80a07f00b2c2edac7c613b03decd

SHA1
0418955f6d685da9c069a116994c2970b8a0f8f9

SHA256
9c06619c911dc9aeb11f6a73925e4c8e839d27b9ab79e0ce040e686d6763132c

SHA512
ecc012766ff45a9411c484bed28e9d81c2c905872728e71a9c9cad80f7901b8b450b241609bd8c49ece85d397bf3259e2f23941744b51bfe1e72121793269613

Download Submit
C:\Users\Admin\AppData\Local\Temp\svcmost.exe

Filesize
372KB

MD5
1e1b80a07f00b2c2edac7c613b03decd

SHA1
0418955f6d685da9c069a116994c2970b8a0f8f9

SHA256
9c06619c911dc9aeb11f6a73925e4c8e839d27b9ab79e0ce040e686d6763132c

SHA512
ecc012766ff45a9411c484bed28e9d81c2c905872728e71a9c9cad80f7901b8b450b241609bd8c49ece85d397bf3259e2f23941744b51bfe1e72121793269613

Download Submit
memory/3632-136-0x00007FFA787C0000-0x00007FFA791F6000-memory.dmp

Filesize
10.2MB

Download
memory/3700-132-0x00007FFA787C0000-0x00007FFA791F6000-memory.dmp

Filesize
10.2MB

Download