49b3c9c6259fec638f4296884355d0a5c31c112960c75944d4f038e038ede51c

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05/03/2025, 01:02

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General

Target

49b3c9c6259fec638f4296884355d0a5c31c112960c75944d4f038e038ede51c.dll
Size

137KB
MD5

26d431dccfe26b31a24d4d0c674f08dd
SHA1

04133708ade1ef636ae8eb3404bc2936f5cab9ed
SHA256

49b3c9c6259fec638f4296884355d0a5c31c112960c75944d4f038e038ede51c
SHA512

8c95814a536a6f27b0e0855a8ee61f7797994b39ff57aaa10eada306e3bf84cc4e617fa279d07381c4f47ffbd17112965c67c659d55b5fae642692cb4774e91d
SSDEEP

3072:cR02WMK8RJGInTlhnaBanONVk40rpg4yeF/TyUGSK9FrafcUksPxx6iTUuX:p25GgFny61mra9

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
2496	2088	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 2784 wrote to memory of 2088	2784	rundll32.exe	30
PID 2784 wrote to memory of 2088	2784	rundll32.exe	30
PID 2784 wrote to memory of 2088	2784	rundll32.exe	30
PID 2784 wrote to memory of 2088	2784	rundll32.exe	30
PID 2784 wrote to memory of 2088	2784	rundll32.exe	30
PID 2784 wrote to memory of 2088	2784	rundll32.exe	30
PID 2784 wrote to memory of 2088	2784	rundll32.exe	30
PID 2088 wrote to memory of 2496	2088	rundll32.exe	31
PID 2088 wrote to memory of 2496	2088	rundll32.exe	31
PID 2088 wrote to memory of 2496	2088	rundll32.exe	31
PID 2088 wrote to memory of 2496	2088	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\49b3c9c6259fec638f4296884355d0a5c31c112960c75944d4f038e038ede51c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2784
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\49b3c9c6259fec638f4296884355d0a5c31c112960c75944d4f038e038ede51c.dll,#1
  2⤵
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2088
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2088 -s 228
    3⤵
    - Program crash
    PID:2496

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/2088-1-0x0000000043E50000-0x0000000043E77000-memory.dmp

Filesize
156KB

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