7b739bb5d4c91b44c83bf60391ae79b01dce551fd7614005e255fb7a5f202861

Analysis

max time kernel
199s
max time network
183s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
01-12-2022 02:41

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General

Target

7b739bb5d4c91b44c83bf60391ae79b01dce551fd7614005e255fb7a5f202861.exe
Size

43KB
MD5

7c6c657834382d43c50d04ee26c33e90
SHA1

7f51d70498d88cf7e67c3a57b18ccfb3ec8f3ddd
SHA256

7b739bb5d4c91b44c83bf60391ae79b01dce551fd7614005e255fb7a5f202861
SHA512

804692b04b857b0f11c3f82f4db2a3dd4e22425bc1f6f54a76c233ba43a92ebb5bc40ba6cf6049cdcc30dce5097ebac430c57f92a9a8fc3884e924d0389396bf
SSDEEP

768:OXYSubt6xO5wNtf98kitNT6J/2oO/aDvy:FSf5soOjuy

Score

8^/10

evasion persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4164	Trojan.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
4548	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-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	7b739bb5d4c91b44c83bf60391ae79b01dce551fd7614005e255fb7a5f202861.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\5cd8f17f4086744065eb0992a09e05a2.exe	Trojan.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\5cd8f17f4086744065eb0992a09e05a2.exe	Trojan.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-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\5cd8f17f4086744065eb0992a09e05a2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Trojan.exe\" .."	Trojan.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\5cd8f17f4086744065eb0992a09e05a2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Trojan.exe\" .."	Trojan.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 23 IoCs

pid	Process
4164	Trojan.exe
4164	Trojan.exe
4164	Trojan.exe
4164	Trojan.exe
4164	Trojan.exe
4164	Trojan.exe
4164	Trojan.exe
4164	Trojan.exe
4164	Trojan.exe
4164	Trojan.exe
4164	Trojan.exe
4164	Trojan.exe
4164	Trojan.exe
4164	Trojan.exe
4164	Trojan.exe
4164	Trojan.exe
4164	Trojan.exe
4164	Trojan.exe
4164	Trojan.exe
4164	Trojan.exe
4164	Trojan.exe
4164	Trojan.exe
4164	Trojan.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4164	Trojan.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1424 wrote to memory of 4164	1424	7b739bb5d4c91b44c83bf60391ae79b01dce551fd7614005e255fb7a5f202861.exe	82
PID 1424 wrote to memory of 4164	1424	7b739bb5d4c91b44c83bf60391ae79b01dce551fd7614005e255fb7a5f202861.exe	82
PID 1424 wrote to memory of 4164	1424	7b739bb5d4c91b44c83bf60391ae79b01dce551fd7614005e255fb7a5f202861.exe	82
PID 4164 wrote to memory of 4548	4164	Trojan.exe	83
PID 4164 wrote to memory of 4548	4164	Trojan.exe	83
PID 4164 wrote to memory of 4548	4164	Trojan.exe	83

C:\Users\Admin\AppData\Local\Temp\7b739bb5d4c91b44c83bf60391ae79b01dce551fd7614005e255fb7a5f202861.exe
"C:\Users\Admin\AppData\Local\Temp\7b739bb5d4c91b44c83bf60391ae79b01dce551fd7614005e255fb7a5f202861.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1424
- C:\Users\Admin\AppData\Local\Temp\Trojan.exe
  "C:\Users\Admin\AppData\Local\Temp\Trojan.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:4164
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Trojan.exe" "Trojan.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:4548

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\Trojan.exe

Filesize
43KB

MD5
7c6c657834382d43c50d04ee26c33e90

SHA1
7f51d70498d88cf7e67c3a57b18ccfb3ec8f3ddd

SHA256
7b739bb5d4c91b44c83bf60391ae79b01dce551fd7614005e255fb7a5f202861

SHA512
804692b04b857b0f11c3f82f4db2a3dd4e22425bc1f6f54a76c233ba43a92ebb5bc40ba6cf6049cdcc30dce5097ebac430c57f92a9a8fc3884e924d0389396bf

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

Filesize
43KB

MD5
7c6c657834382d43c50d04ee26c33e90

SHA1
7f51d70498d88cf7e67c3a57b18ccfb3ec8f3ddd

SHA256
7b739bb5d4c91b44c83bf60391ae79b01dce551fd7614005e255fb7a5f202861

SHA512
804692b04b857b0f11c3f82f4db2a3dd4e22425bc1f6f54a76c233ba43a92ebb5bc40ba6cf6049cdcc30dce5097ebac430c57f92a9a8fc3884e924d0389396bf

Download Submit
memory/1424-132-0x0000000075100000-0x00000000756B1000-memory.dmp

Filesize
5.7MB

Download
memory/1424-136-0x0000000075100000-0x00000000756B1000-memory.dmp

Filesize
5.7MB

Download
memory/4164-137-0x0000000075100000-0x00000000756B1000-memory.dmp

Filesize
5.7MB

Download
memory/4164-139-0x0000000075100000-0x00000000756B1000-memory.dmp

Filesize
5.7MB

Download