f2ce3d65ce384277c9313233941b732599dcb9f27243cc745813588555681f50

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04/10/2024, 11:22

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

f2ce3d65ce384277c9313233941b732599dcb9f27243cc745813588555681f50N.dll
Size

137KB
MD5

2245887194525d99c83d0d98fdeb2730
SHA1

cb284e90151f47bb935a0517e3cdd267d7e35451
SHA256

f2ce3d65ce384277c9313233941b732599dcb9f27243cc745813588555681f50
SHA512

c1854c791d0885acf26ae9ea104b2183dacb8dbf1b4caf71248562bceb868e7ca3af8402031a088edb4ae1856705bde59fbd578055236c41e111aacd216d82ef
SSDEEP

3072:3R02WMK8RJGInTlhnaBanONVk40rpg4yeF/TyUGSK9FrafcUksPxx6iTUuI:K25GgFny61mram

Score

4^/10

discovery

Malware Config

Signatures

Drops file in Windows directory 2 IoCs

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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2800	2704	WerFault.exe	31

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 2412 wrote to memory of 2704	2412	rundll32.exe	31
PID 2412 wrote to memory of 2704	2412	rundll32.exe	31
PID 2412 wrote to memory of 2704	2412	rundll32.exe	31
PID 2412 wrote to memory of 2704	2412	rundll32.exe	31
PID 2412 wrote to memory of 2704	2412	rundll32.exe	31
PID 2412 wrote to memory of 2704	2412	rundll32.exe	31
PID 2412 wrote to memory of 2704	2412	rundll32.exe	31
PID 2704 wrote to memory of 2800	2704	rundll32.exe	32
PID 2704 wrote to memory of 2800	2704	rundll32.exe	32
PID 2704 wrote to memory of 2800	2704	rundll32.exe	32
PID 2704 wrote to memory of 2800	2704	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f2ce3d65ce384277c9313233941b732599dcb9f27243cc745813588555681f50N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2412
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f2ce3d65ce384277c9313233941b732599dcb9f27243cc745813588555681f50N.dll,#1
  2⤵
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2704
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2704 -s 228
    3⤵
    - Program crash
    PID:2800

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/2704-1-0x0000000043E50000-0x0000000043E77000-memory.dmp

Filesize
156KB

Download