63a24775a97596ba298f5ba791191c7157dd550857536f5911de3367d3032a0e

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06/03/2025, 03:37

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General

Target

63a24775a97596ba298f5ba791191c7157dd550857536f5911de3367d3032a0e.dll
Size

137KB
MD5

64cb1b10e8d49aad95c9b238928c6953
SHA1

ad05e21b9c5bb201ff3103fcdf81793f036dac9e
SHA256

63a24775a97596ba298f5ba791191c7157dd550857536f5911de3367d3032a0e
SHA512

ee4432338a6a850f7639dd9d59fa6e52b95d1d3a462c412a2c33b552feeca4ab2fea25db2c54d4bf1733b33b39acc2a51449b0688e1047083c98fba17577d7a1
SSDEEP

3072:2R02WMK8RJGInTlhnaBanONVk40rpg4yeF/TyUGSK9FrafcUksPxx6iTUul:z25GgFny61mraH

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
2784	2120	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 2124 wrote to memory of 2120	2124	rundll32.exe	30
PID 2124 wrote to memory of 2120	2124	rundll32.exe	30
PID 2124 wrote to memory of 2120	2124	rundll32.exe	30
PID 2124 wrote to memory of 2120	2124	rundll32.exe	30
PID 2124 wrote to memory of 2120	2124	rundll32.exe	30
PID 2124 wrote to memory of 2120	2124	rundll32.exe	30
PID 2124 wrote to memory of 2120	2124	rundll32.exe	30
PID 2120 wrote to memory of 2784	2120	rundll32.exe	31
PID 2120 wrote to memory of 2784	2120	rundll32.exe	31
PID 2120 wrote to memory of 2784	2120	rundll32.exe	31
PID 2120 wrote to memory of 2784	2120	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\63a24775a97596ba298f5ba791191c7157dd550857536f5911de3367d3032a0e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2124
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\63a24775a97596ba298f5ba791191c7157dd550857536f5911de3367d3032a0e.dll,#1
  2⤵
  - Drops file in System32 directory
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2120
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2120 -s 228
    3⤵
    - Program crash
    PID:2784

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/2120-3-0x0000000043E50000-0x0000000043E77000-memory.dmp

Filesize
156KB

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