612d8b1fefbbe9e2abaa48344ad14fc269a12b0dee7ff3d93835ffde7475f4d3

Analysis

max time kernel
162s
max time network
178s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
29/11/2022, 08:38

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General

Target

612d8b1fefbbe9e2abaa48344ad14fc269a12b0dee7ff3d93835ffde7475f4d3.exe
Size

133KB
MD5

4f636a43a284131a588dcd16b2e4deed
SHA1

5e5d2833defbd1fd42e13a8f5095e3bd8ffd9301
SHA256

612d8b1fefbbe9e2abaa48344ad14fc269a12b0dee7ff3d93835ffde7475f4d3
SHA512

86b24882ec26f467246bb8f7436ecf594c000b63ce17a3c2e57ddcb665e433bfc3fe5fdaebc9cf1661dc48152fea33a343bb307ba01ce09e7ae84ba95d52b10d
SSDEEP

3072:g77rpTgPX3upd1qnAEzYds7E7/dThEgoJ:OfpkX+pd1bEz2s7ETRhEgoJ

Score

8^/10

evasion persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1312	Trojan.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
2788	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-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation	612d8b1fefbbe9e2abaa48344ad14fc269a12b0dee7ff3d93835ffde7475f4d3.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-1-5-21-2386679933-1492765628-3466841596-1000\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 25 IoCs

pid	Process
1312	Trojan.exe
1312	Trojan.exe
1312	Trojan.exe
1312	Trojan.exe
1312	Trojan.exe
1312	Trojan.exe
1312	Trojan.exe
1312	Trojan.exe
1312	Trojan.exe
1312	Trojan.exe
1312	Trojan.exe
1312	Trojan.exe
1312	Trojan.exe
1312	Trojan.exe
1312	Trojan.exe
1312	Trojan.exe
1312	Trojan.exe
1312	Trojan.exe
1312	Trojan.exe
1312	Trojan.exe
1312	Trojan.exe
1312	Trojan.exe
1312	Trojan.exe
1312	Trojan.exe
1312	Trojan.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1312	Trojan.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3756 wrote to memory of 1312	3756	612d8b1fefbbe9e2abaa48344ad14fc269a12b0dee7ff3d93835ffde7475f4d3.exe	84
PID 3756 wrote to memory of 1312	3756	612d8b1fefbbe9e2abaa48344ad14fc269a12b0dee7ff3d93835ffde7475f4d3.exe	84
PID 3756 wrote to memory of 1312	3756	612d8b1fefbbe9e2abaa48344ad14fc269a12b0dee7ff3d93835ffde7475f4d3.exe	84
PID 1312 wrote to memory of 2788	1312	Trojan.exe	85
PID 1312 wrote to memory of 2788	1312	Trojan.exe	85
PID 1312 wrote to memory of 2788	1312	Trojan.exe	85

C:\Users\Admin\AppData\Local\Temp\612d8b1fefbbe9e2abaa48344ad14fc269a12b0dee7ff3d93835ffde7475f4d3.exe
"C:\Users\Admin\AppData\Local\Temp\612d8b1fefbbe9e2abaa48344ad14fc269a12b0dee7ff3d93835ffde7475f4d3.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3756
- 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:1312
- - 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:2788

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
133KB

MD5
4f636a43a284131a588dcd16b2e4deed

SHA1
5e5d2833defbd1fd42e13a8f5095e3bd8ffd9301

SHA256
612d8b1fefbbe9e2abaa48344ad14fc269a12b0dee7ff3d93835ffde7475f4d3

SHA512
86b24882ec26f467246bb8f7436ecf594c000b63ce17a3c2e57ddcb665e433bfc3fe5fdaebc9cf1661dc48152fea33a343bb307ba01ce09e7ae84ba95d52b10d

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

Filesize
133KB

MD5
4f636a43a284131a588dcd16b2e4deed

SHA1
5e5d2833defbd1fd42e13a8f5095e3bd8ffd9301

SHA256
612d8b1fefbbe9e2abaa48344ad14fc269a12b0dee7ff3d93835ffde7475f4d3

SHA512
86b24882ec26f467246bb8f7436ecf594c000b63ce17a3c2e57ddcb665e433bfc3fe5fdaebc9cf1661dc48152fea33a343bb307ba01ce09e7ae84ba95d52b10d

Download Submit
memory/1312-139-0x0000000075270000-0x0000000075821000-memory.dmp

Filesize
5.7MB

Download
memory/1312-140-0x0000000075270000-0x0000000075821000-memory.dmp

Filesize
5.7MB

Download
memory/3756-132-0x0000000075270000-0x0000000075821000-memory.dmp

Filesize
5.7MB

Download
memory/3756-133-0x0000000075270000-0x0000000075821000-memory.dmp

Filesize
5.7MB

Download
memory/3756-138-0x0000000075270000-0x0000000075821000-memory.dmp

Filesize
5.7MB

Download