fa7cbf05a892336e48669ec404239174217fc7c74c1596ee312dde49a2e48e89

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
11/03/2025, 06:57

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

fa7cbf05a892336e48669ec404239174217fc7c74c1596ee312dde49a2e48e89.dll
Size

137KB
MD5

94a07f0af887f4672f1412a0fb133aba
SHA1

9c0fc2c692947aaa124ea89411d478cae86b75f5
SHA256

fa7cbf05a892336e48669ec404239174217fc7c74c1596ee312dde49a2e48e89
SHA512

b2aed8988943f34bd29cfbbb39b78d59265a1177a7b464ce240f0ade3fe0f55f71e68aa9c64ae6f440fc52ea267a8e60e8cb17f3701cd26b904fbeb845c36596
SSDEEP

3072:aR02WMK8RJGInTlhnaBanONVk40rpg4yeF/TyUGSK9FrafcUksPxx6iTUug:P25GgFny61mray

Score

4^/10

discovery

Malware Config

Signatures

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\AppPatch\ComBack.Dll	rundll32.exe
File opened for modification	C:\Windows\AppPatch\ComBack.Dll	rundll32.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2520	2300	WerFault.exe	30

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3004 wrote to memory of 2300	3004	rundll32.exe	30
PID 3004 wrote to memory of 2300	3004	rundll32.exe	30
PID 3004 wrote to memory of 2300	3004	rundll32.exe	30
PID 3004 wrote to memory of 2300	3004	rundll32.exe	30
PID 3004 wrote to memory of 2300	3004	rundll32.exe	30
PID 3004 wrote to memory of 2300	3004	rundll32.exe	30
PID 3004 wrote to memory of 2300	3004	rundll32.exe	30
PID 2300 wrote to memory of 2520	2300	rundll32.exe	31
PID 2300 wrote to memory of 2520	2300	rundll32.exe	31
PID 2300 wrote to memory of 2520	2300	rundll32.exe	31
PID 2300 wrote to memory of 2520	2300	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fa7cbf05a892336e48669ec404239174217fc7c74c1596ee312dde49a2e48e89.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3004
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\fa7cbf05a892336e48669ec404239174217fc7c74c1596ee312dde49a2e48e89.dll,#1
  2⤵
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2300
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2300 -s 228
    3⤵
    - Program crash
    PID:2520

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2300-1-0x0000000043E50000-0x0000000043E77000-memory.dmp

Filesize
156KB

Download