65f9ac79659c9a5646c680ae7dfab4dac62b11b6fa228559ecf35bf1ea18eed4

Analysis

max time kernel
117s
max time network
48s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
13-02-2023 22:01

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General

Target

1ZUSEWYOK07HKSA-Payment_Receipt.vhd
Size

6.0MB
MD5

d85f12e9ce7de83d8163bc68d4366ae8
SHA1

755414bde4e6c023da1a3b45e3dbfe463e932ef9
SHA256

554f2986118eacbe2a162883e2396ac4be1bc2d1fdf51a6fe7867eb4ef58ac21
SHA512

3c6a0599ab3795db92b35dadf7131e40512d791124d27c028b3ec5211c0031c11fb27c01a82adf936586131d59f456aff438641882b5a4a5a821f6427d97dae3
SSDEEP

12288:3b9Xn7Mu3qI70c9viIRub9Xn7Mu3qI70c9viIR:3JX7MA0c9vxkJX7MA0c9vx

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 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1380	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1896 wrote to memory of 1380	1896	cmd.exe	29
PID 1896 wrote to memory of 1380	1896	cmd.exe	29
PID 1896 wrote to memory of 1380	1896	cmd.exe	29

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\1ZUSEWYOK07HKSA-Payment_Receipt.vhd
1⤵
- Suspicious use of WriteProcessMemory
PID:1896
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\1ZUSEWYOK07HKSA-Payment_Receipt.vhd
  2⤵
  - Modifies registry class
  - Suspicious behavior: GetForegroundWindowSpam
  PID:1380

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1896-54-0x000007FEFC621000-0x000007FEFC623000-memory.dmp

Filesize
8KB

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