18da91d0bb86f74e55a5388ceabd89b9f5e23fec329ccbcf5d1e50c3e2ba14e0

Analysis

max time kernel
77s
max time network
48s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-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

3^/10

Malware Config

Signatures

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 5 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\mscfile\shell\open\command\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MouDNS2.exe"	reg.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\mscfile\shell\open\command	reg.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\mscfile	reg.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\mscfile\shell	reg.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\mscfile\shell\open	reg.exe

Modifies registry key 1 TTPs 2 IoCs

Modify Registry

T1112

pid	Process
1484	reg.exe
692	reg.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
888	18da91d0bb86f74e55a5388ceabd89b9f5e23fec329ccbcf5d1e50c3e2ba14e0.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 888 wrote to memory of 692	888	18da91d0bb86f74e55a5388ceabd89b9f5e23fec329ccbcf5d1e50c3e2ba14e0.exe	28
PID 888 wrote to memory of 692	888	18da91d0bb86f74e55a5388ceabd89b9f5e23fec329ccbcf5d1e50c3e2ba14e0.exe	28
PID 888 wrote to memory of 692	888	18da91d0bb86f74e55a5388ceabd89b9f5e23fec329ccbcf5d1e50c3e2ba14e0.exe	28
PID 888 wrote to memory of 692	888	18da91d0bb86f74e55a5388ceabd89b9f5e23fec329ccbcf5d1e50c3e2ba14e0.exe	28
PID 888 wrote to memory of 1420	888	18da91d0bb86f74e55a5388ceabd89b9f5e23fec329ccbcf5d1e50c3e2ba14e0.exe	30
PID 888 wrote to memory of 1420	888	18da91d0bb86f74e55a5388ceabd89b9f5e23fec329ccbcf5d1e50c3e2ba14e0.exe	30
PID 888 wrote to memory of 1420	888	18da91d0bb86f74e55a5388ceabd89b9f5e23fec329ccbcf5d1e50c3e2ba14e0.exe	30
PID 888 wrote to memory of 1420	888	18da91d0bb86f74e55a5388ceabd89b9f5e23fec329ccbcf5d1e50c3e2ba14e0.exe	30
PID 1420 wrote to memory of 1144	1420	cmd.exe	32
PID 1420 wrote to memory of 1144	1420	cmd.exe	32
PID 1420 wrote to memory of 1144	1420	cmd.exe	32
PID 888 wrote to memory of 1484	888	18da91d0bb86f74e55a5388ceabd89b9f5e23fec329ccbcf5d1e50c3e2ba14e0.exe	33
PID 888 wrote to memory of 1484	888	18da91d0bb86f74e55a5388ceabd89b9f5e23fec329ccbcf5d1e50c3e2ba14e0.exe	33
PID 888 wrote to memory of 1484	888	18da91d0bb86f74e55a5388ceabd89b9f5e23fec329ccbcf5d1e50c3e2ba14e0.exe	33
PID 888 wrote to memory of 1484	888	18da91d0bb86f74e55a5388ceabd89b9f5e23fec329ccbcf5d1e50c3e2ba14e0.exe	33

C:\Users\Admin\AppData\Local\Temp\18da91d0bb86f74e55a5388ceabd89b9f5e23fec329ccbcf5d1e50c3e2ba14e0.exe
"C:\Users\Admin\AppData\Local\Temp\18da91d0bb86f74e55a5388ceabd89b9f5e23fec329ccbcf5d1e50c3e2ba14e0.exe"
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:888
- C:\Windows\System32\reg.exe
  "C:\Windows\System32\reg.exe" add hkcu\software\classes\mscfile\shell\open\command /ve /d "C:\Users\Admin\AppData\Local\Temp\MouDNS2.exe" /f
  2⤵
  - Modifies registry class
  - Modifies registry key
  PID:692
- C:\Windows\system32\cmd.exe
  cmd /c start eventvwr.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1420
- - C:\Windows\system32\eventvwr.exe
    eventvwr.exe
    3⤵
    PID:1144
- C:\Windows\System32\reg.exe
  "C:\Windows\System32\reg.exe" delete hkcu\software\classes\mscfile /f >nul 2>&1
  2⤵
  - Modifies registry key
  PID:1484

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/888-56-0x00000000761F1000-0x00000000761F3000-memory.dmp

Filesize
8KB

Download
memory/1144-60-0x000007FEFBF41000-0x000007FEFBF43000-memory.dmp

Filesize
8KB

Download