4ed1af6f563a9a64da15ea6f6291e6e03f1a8f1c4cfc374d231252dc54a257d2

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
09/03/2025, 23:34

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General

Target

4ed1af6f563a9a64da15ea6f6291e6e03f1a8f1c4cfc374d231252dc54a257d2.dll
Size

137KB
MD5

35718b10fc4e69ba46cc72be3d36773f
SHA1

b2ee7dd177ac8d2dfda2d8cfa27061c68e9f01b4
SHA256

4ed1af6f563a9a64da15ea6f6291e6e03f1a8f1c4cfc374d231252dc54a257d2
SHA512

5bac2c655000aa33e4bd7b5a221c88b65754ee080dc07274de66a8868fe1269f60a4971c2b9c223748e83d2a26b353a7f682880be2708fc1b3da50af9091703a
SSDEEP

3072:8R02WMK8RJGInTlhnaBanONVk40rpg4yeF/TyUGSK9FrafcUksPxx6iTUu:J25GgFny61mra

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
1636	616	WerFault.exe

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 2296 wrote to memory of 616	2296	rundll32.exe	31
PID 2296 wrote to memory of 616	2296	rundll32.exe	31
PID 2296 wrote to memory of 616	2296	rundll32.exe	31
PID 2296 wrote to memory of 616	2296	rundll32.exe	31
PID 2296 wrote to memory of 616	2296	rundll32.exe	31
PID 2296 wrote to memory of 616	2296	rundll32.exe	31
PID 2296 wrote to memory of 616	2296	rundll32.exe	31
PID 616 wrote to memory of 1636	616	rundll32.exe	32
PID 616 wrote to memory of 1636	616	rundll32.exe	32
PID 616 wrote to memory of 1636	616	rundll32.exe	32
PID 616 wrote to memory of 1636	616	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4ed1af6f563a9a64da15ea6f6291e6e03f1a8f1c4cfc374d231252dc54a257d2.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2296
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\4ed1af6f563a9a64da15ea6f6291e6e03f1a8f1c4cfc374d231252dc54a257d2.dll,#1
  2⤵
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:616
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 616 -s 228
    3⤵
    - Program crash
    PID:1636

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/616-1-0x0000000043E50000-0x0000000043E77000-memory.dmp

Filesize
156KB

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