18da91d0bb86f74e55a5388ceabd89b9f5e23fec329ccbcf5d1e50c3e2ba14e0

Analysis

max time kernel
90s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
06-12-2022 19:46

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General

Target

18da91d0bb86f74e55a5388ceabd89b9f5e23fec329ccbcf5d1e50c3e2ba14e0.exe
Size

624KB
MD5

40eca80dee3b9b38066922b011de8c0f
SHA1

3182ae618e6cd6a89d2975184eb161df1644615d
SHA256

18da91d0bb86f74e55a5388ceabd89b9f5e23fec329ccbcf5d1e50c3e2ba14e0
SHA512

246a57515902a9dd79b8848d9256bf9833f8839b836ba6800e673580f92eebe85634b0761d3888e9bb98ad14fef0bc1b50e642b9acd29fe38ed6e9ce08683c4e
SSDEEP

3072:m55OBNpd9+QE5cujcA5RUPH09B1KNjx6QgsdGVK1T8SHgszpd9+QE5cujcA5RUPX:XqQQcPkR6HjxYK1DqQQcPkR6Hjx

Score

7^/10

Malware Config

Signatures

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-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	18da91d0bb86f74e55a5388ceabd89b9f5e23fec329ccbcf5d1e50c3e2ba14e0.exe

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

System Information Discovery
T1082

Modifies registry class 7 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\ms-settings	reg.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\ms-settings\shell	reg.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\ms-settings\shell\open	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\ms-settings\shell\open\command\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MouDNS2.exe"	reg.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\ms-settings\shell\open\command	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\ms-settings\shell\open\command\DelegateExecute	reg.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\ms-settings\shell\open\command	reg.exe

Modifies registry key 1 TTPs 3 IoCs

Modify Registry

T1112

pid	Process
444	reg.exe
3412	reg.exe
1652	reg.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4800	18da91d0bb86f74e55a5388ceabd89b9f5e23fec329ccbcf5d1e50c3e2ba14e0.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4800 wrote to memory of 444	4800	18da91d0bb86f74e55a5388ceabd89b9f5e23fec329ccbcf5d1e50c3e2ba14e0.exe	80
PID 4800 wrote to memory of 444	4800	18da91d0bb86f74e55a5388ceabd89b9f5e23fec329ccbcf5d1e50c3e2ba14e0.exe	80
PID 4800 wrote to memory of 3412	4800	18da91d0bb86f74e55a5388ceabd89b9f5e23fec329ccbcf5d1e50c3e2ba14e0.exe	82
PID 4800 wrote to memory of 3412	4800	18da91d0bb86f74e55a5388ceabd89b9f5e23fec329ccbcf5d1e50c3e2ba14e0.exe	82
PID 4800 wrote to memory of 60	4800	18da91d0bb86f74e55a5388ceabd89b9f5e23fec329ccbcf5d1e50c3e2ba14e0.exe	84
PID 4800 wrote to memory of 60	4800	18da91d0bb86f74e55a5388ceabd89b9f5e23fec329ccbcf5d1e50c3e2ba14e0.exe	84
PID 60 wrote to memory of 3976	60	cmd.exe	86
PID 60 wrote to memory of 3976	60	cmd.exe	86
PID 4800 wrote to memory of 1652	4800	18da91d0bb86f74e55a5388ceabd89b9f5e23fec329ccbcf5d1e50c3e2ba14e0.exe	87
PID 4800 wrote to memory of 1652	4800	18da91d0bb86f74e55a5388ceabd89b9f5e23fec329ccbcf5d1e50c3e2ba14e0.exe	87

C:\Users\Admin\AppData\Local\Temp\18da91d0bb86f74e55a5388ceabd89b9f5e23fec329ccbcf5d1e50c3e2ba14e0.exe
"C:\Users\Admin\AppData\Local\Temp\18da91d0bb86f74e55a5388ceabd89b9f5e23fec329ccbcf5d1e50c3e2ba14e0.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4800
- C:\Windows\System32\reg.exe
  "C:\Windows\System32\reg.exe" add hkcu\software\classes\ms-settings\shell\open\command /ve /d "C:\Users\Admin\AppData\Local\Temp\MouDNS2.exe" /f
  2⤵
  - Modifies registry class
  - Modifies registry key
  PID:444
- C:\Windows\System32\reg.exe
  "C:\Windows\System32\reg.exe" add hkcu\software\classes\ms-settings\shell\open\command /v "DelegateExecute" /f
  2⤵
  - Modifies registry class
  - Modifies registry key
  PID:3412
- C:\Windows\SYSTEM32\cmd.exe
  cmd /c start computerdefaults.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:60
- - C:\Windows\system32\ComputerDefaults.exe
    computerdefaults.exe
    3⤵
    PID:3976
- C:\Windows\System32\reg.exe
  "C:\Windows\System32\reg.exe" delete hkcu\software\classes\ms-settings /f >nul 2>&1
  2⤵
  - Modifies registry key
  PID:1652

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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