5f6277fdef615d022d71c9352c47d2f1223447985a06233b66d7cceffef64746

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
07/03/2025, 10:14

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General

Target

5f6277fdef615d022d71c9352c47d2f1223447985a06233b66d7cceffef64746.dll
Size

137KB
MD5

8590d25df465b8967cb595dd0c650cbe
SHA1

bf28d91206c9e1a594e2320b0ef3fd2271095c32
SHA256

5f6277fdef615d022d71c9352c47d2f1223447985a06233b66d7cceffef64746
SHA512

de4b26b0daed82a80bf38c5e25ec9aa060d596413c0ffc7b3b4bbc89cdffd8858716d7ea54caa34c1473a6281c1e497199fbf85482026309decda6b0818307a1
SSDEEP

3072:PR02WMK8RJGInTlhnaBanONVk40rpg4yeF/TyUGSK9FrafcUksPxx6iTUuc:y25GgFny61mra6

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
1372	2316	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 2512 wrote to memory of 2316	2512	rundll32.exe	31
PID 2512 wrote to memory of 2316	2512	rundll32.exe	31
PID 2512 wrote to memory of 2316	2512	rundll32.exe	31
PID 2512 wrote to memory of 2316	2512	rundll32.exe	31
PID 2512 wrote to memory of 2316	2512	rundll32.exe	31
PID 2512 wrote to memory of 2316	2512	rundll32.exe	31
PID 2512 wrote to memory of 2316	2512	rundll32.exe	31
PID 2316 wrote to memory of 1372	2316	rundll32.exe	32
PID 2316 wrote to memory of 1372	2316	rundll32.exe	32
PID 2316 wrote to memory of 1372	2316	rundll32.exe	32
PID 2316 wrote to memory of 1372	2316	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5f6277fdef615d022d71c9352c47d2f1223447985a06233b66d7cceffef64746.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2512
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\5f6277fdef615d022d71c9352c47d2f1223447985a06233b66d7cceffef64746.dll,#1
  2⤵
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2316
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2316 -s 228
    3⤵
    - Program crash
    PID:1372

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/2316-1-0x0000000043E50000-0x0000000043E77000-memory.dmp

Filesize
156KB

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