3c04a7b759f0cd4e867fae287ccd003abdf719f57fabfdb304a1e6baf3209121

Analysis

max time kernel
13s
max time network
19s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
02/03/2025, 22:08

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General

Target

3c04a7b759f0cd4e867fae287ccd003abdf719f57fabfdb304a1e6baf3209121.dll
Size

137KB
MD5

34074195597501d855462ef005ac2cc8
SHA1

059275c5e87bb9f86809eee7b362ace555691b7d
SHA256

3c04a7b759f0cd4e867fae287ccd003abdf719f57fabfdb304a1e6baf3209121
SHA512

2f1c60152c9c245a2a95dbad8706258de746f541c6015b3a84ac647b8255f138e4369f10e1f2d09d8ee6d9ae23667b94ffb59bf728a9f61f5d72edee42af4bc6
SSDEEP

3072:2R02WMK8RJGInTlhnaBanONVk40rpg4yeF/TyUGSK9FrafcUksPxx6iTUuu:z25GgFny61mraY

Score

5^/10

discovery

Malware Config

Signatures

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\com\comb.dll	rundll32.exe

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
1704	2600	WerFault.exe	29

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 1492 wrote to memory of 2600	1492	rundll32.exe	29
PID 1492 wrote to memory of 2600	1492	rundll32.exe	29
PID 1492 wrote to memory of 2600	1492	rundll32.exe	29
PID 1492 wrote to memory of 2600	1492	rundll32.exe	29
PID 1492 wrote to memory of 2600	1492	rundll32.exe	29
PID 1492 wrote to memory of 2600	1492	rundll32.exe	29
PID 1492 wrote to memory of 2600	1492	rundll32.exe	29
PID 2600 wrote to memory of 1704	2600	rundll32.exe	30
PID 2600 wrote to memory of 1704	2600	rundll32.exe	30
PID 2600 wrote to memory of 1704	2600	rundll32.exe	30
PID 2600 wrote to memory of 1704	2600	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3c04a7b759f0cd4e867fae287ccd003abdf719f57fabfdb304a1e6baf3209121.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1492
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\3c04a7b759f0cd4e867fae287ccd003abdf719f57fabfdb304a1e6baf3209121.dll,#1
  2⤵
  - Drops file in System32 directory
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2600
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2600 -s 236
    3⤵
    - Program crash
    PID:1704

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/2600-3-0x0000000043E50000-0x0000000043E77000-memory.dmp

Filesize
156KB

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