6113c63a70c3e9ac57536d3998f8f931ded0b674ba2004843b248f0c2996244c

Analysis

max time kernel
122s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06/03/2025, 03:06

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General

Target

6113c63a70c3e9ac57536d3998f8f931ded0b674ba2004843b248f0c2996244c.dll
Size

137KB
MD5

49c89e1e64663b9e6aafa49230980375
SHA1

460a588f167459664b7181ad1458e7b834c4d936
SHA256

6113c63a70c3e9ac57536d3998f8f931ded0b674ba2004843b248f0c2996244c
SHA512

58340fe14eb84ed6237337697fe607b8340680f717286ab58e078c48910108e054457721d3abe50efecdfda3174e4d5a8159c196262283b7ff5bfb27e98f91ab
SSDEEP

3072:YR02WMK8RJGInTlhnaBanONVk40rpg4yeF/TyUGSK9FrafcUksPxx6iTUuG:N25GgFny61mra0

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
2844	2400	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 1740 wrote to memory of 2400	1740	rundll32.exe	31
PID 1740 wrote to memory of 2400	1740	rundll32.exe	31
PID 1740 wrote to memory of 2400	1740	rundll32.exe	31
PID 1740 wrote to memory of 2400	1740	rundll32.exe	31
PID 1740 wrote to memory of 2400	1740	rundll32.exe	31
PID 1740 wrote to memory of 2400	1740	rundll32.exe	31
PID 1740 wrote to memory of 2400	1740	rundll32.exe	31
PID 2400 wrote to memory of 2844	2400	rundll32.exe	32
PID 2400 wrote to memory of 2844	2400	rundll32.exe	32
PID 2400 wrote to memory of 2844	2400	rundll32.exe	32
PID 2400 wrote to memory of 2844	2400	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6113c63a70c3e9ac57536d3998f8f931ded0b674ba2004843b248f0c2996244c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1740
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\6113c63a70c3e9ac57536d3998f8f931ded0b674ba2004843b248f0c2996244c.dll,#1
  2⤵
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2400
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2400 -s 228
    3⤵
    - Program crash
    PID:2844

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

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Downloads

memory/2400-1-0x0000000043E50000-0x0000000043E77000-memory.dmp

Filesize
156KB

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