9681c0c07bdd630a1953d61e383038b057986a7a05c3f5f0f5d8370f3acd4515

Analysis

max time kernel
119s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29-11-2024 11:59

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

WyChVIlbg/main.sh
Size

196KB
MD5

d4f06b258da41c8260fe07e2bc280953
SHA1

046a98fa4b8e4b44914884c1525c2c787c98cfa4
SHA256

b89c2c4c38917239929a94d79f86076f61dde3029fb514fdc7944d7b0114a455
SHA512

3bc6231d0d5aebad5f3dc45ff6c9b9391ebab51ea004acadd4b9cea96fab91a2274a04d65ca76c431048303cb2405178fcfb989db7bbac95a10ccbf42c4ce660
SSDEEP

1536:WpiXzghbEZcJJK8V2i7S/Rn8B5mYlnsoZFWrJ+m6n8tBZO57w2kpm7grh7wJQeRN:Q

Score

3^/10

discovery

Malware Config

Signatures

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

AcroRd32.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AcroRd32.exe

Modifies registry class 1 IoCs

Processes:

rundll32.exe

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid	Process
2604	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid	Process
2604	AcroRd32.exe
2604	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	Process	procid_target
PID 2408 wrote to memory of 2696	2408	cmd.exe	31
PID 2408 wrote to memory of 2696	2408	cmd.exe	31
PID 2408 wrote to memory of 2696	2408	cmd.exe	31
PID 2696 wrote to memory of 2604	2696	rundll32.exe	32
PID 2696 wrote to memory of 2604	2696	rundll32.exe	32
PID 2696 wrote to memory of 2604	2696	rundll32.exe	32
PID 2696 wrote to memory of 2604	2696	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\WyChVIlbg\main.sh
1⤵
- Suspicious use of WriteProcessMemory
PID:2408
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\WyChVIlbg\main.sh
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2696
- - C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
    "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\WyChVIlbg\main.sh"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2604

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
5490ea482f5b819c539327c84fea4637

SHA1
4eabe6b768383ea7d15d80b9bbdd8c0299d69ee4

SHA256
42146a0181acc279ad344956a2a9c4b8fbd06586d0d43321366023a05a56008c

SHA512
b4862885c6ec656cc3d8916adfdfc41a45486ff935a5d2cabed3433da3add7db9942e9585f11f3b78b46fb4badd923d3ca70c82eeae9e3b633fc93aca708576e

Download Submit