38aed7b78f01e9f72f446e481fea6cb2998cfb42891c94ec0a84a679217ea472

Analysis

max time kernel
182s
max time network
189s
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, 21:33

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

38aed7b78f01e9f72f446e481fea6cb2998cfb42891c94ec0a84a679217ea472.exe
Size

104KB
MD5

012d5480375178478f554b1e43f833f6
SHA1

55a7ef83e047b769979d0deeefca3c48a50c1e31
SHA256

38aed7b78f01e9f72f446e481fea6cb2998cfb42891c94ec0a84a679217ea472
SHA512

d77e9ff91922fe4f3849375b3350a16d7d143370246873cba1ef62bc10e692ac5a108ae516734ffcb5b45c3f7eb41e16a8399774e9cae651a1025f9e07de7c0a
SSDEEP

384:apoCD4CTj3LDc6cZo11k4oh8Gi3umI7PkvvGd2Z6cp8thFKgMLW7FJDlKNAUlDnF:2DZTj7DcHe01re8XFjk+sx9E6yPjseA

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3436	winlogon.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	38aed7b78f01e9f72f446e481fea6cb2998cfb42891c94ec0a84a679217ea472.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run	winlogon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NVIDIA Media Center Library = "C:\\Users\\Admin\\Admin1\\winlogon.exe"	winlogon.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\NVIDIA Media Center Library = "C:\\Users\\Admin\\Admin1\\winlogon.exe"	winlogon.exe

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

System Information Discovery
T1082

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2112	38aed7b78f01e9f72f446e481fea6cb2998cfb42891c94ec0a84a679217ea472.exe
3436	winlogon.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2112 wrote to memory of 3436	2112	38aed7b78f01e9f72f446e481fea6cb2998cfb42891c94ec0a84a679217ea472.exe	79
PID 2112 wrote to memory of 3436	2112	38aed7b78f01e9f72f446e481fea6cb2998cfb42891c94ec0a84a679217ea472.exe	79
PID 2112 wrote to memory of 3436	2112	38aed7b78f01e9f72f446e481fea6cb2998cfb42891c94ec0a84a679217ea472.exe	79

C:\Users\Admin\AppData\Local\Temp\38aed7b78f01e9f72f446e481fea6cb2998cfb42891c94ec0a84a679217ea472.exe
"C:\Users\Admin\AppData\Local\Temp\38aed7b78f01e9f72f446e481fea6cb2998cfb42891c94ec0a84a679217ea472.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2112
- C:\Users\Admin\Admin1\winlogon.exe
  "C:\Users\Admin\Admin1\winlogon.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of SetWindowsHookEx
  PID:3436

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\Admin1\winlogon.exe

Filesize
104KB

MD5
012d5480375178478f554b1e43f833f6

SHA1
55a7ef83e047b769979d0deeefca3c48a50c1e31

SHA256
38aed7b78f01e9f72f446e481fea6cb2998cfb42891c94ec0a84a679217ea472

SHA512
d77e9ff91922fe4f3849375b3350a16d7d143370246873cba1ef62bc10e692ac5a108ae516734ffcb5b45c3f7eb41e16a8399774e9cae651a1025f9e07de7c0a

Download Submit
C:\Users\Admin\Admin1\winlogon.exe

Filesize
104KB

MD5
012d5480375178478f554b1e43f833f6

SHA1
55a7ef83e047b769979d0deeefca3c48a50c1e31

SHA256
38aed7b78f01e9f72f446e481fea6cb2998cfb42891c94ec0a84a679217ea472

SHA512
d77e9ff91922fe4f3849375b3350a16d7d143370246873cba1ef62bc10e692ac5a108ae516734ffcb5b45c3f7eb41e16a8399774e9cae651a1025f9e07de7c0a

Download Submit
memory/2112-132-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2112-139-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3436-141-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3436-142-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download