berbew | 2e96258f3dd21d059f59831295d32d324a849c87bc5a2149a49c97fcf5783558

Analysis

max time kernel
7s
max time network
64s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
31-01-2025 17:49

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General

Target

2024-12-25/unknown-cbf9a2d0623e8013ac45924fc3fb45a5533dc71245e097c4d5fcbaf662bee97f.exe
Size

472KB
MD5

cf87635c34c4b8a6e6dcf2c4b94568b0
SHA1

b0f1a1006135068e0c2ab19eb0019ad0963cb1e1
SHA256

cbf9a2d0623e8013ac45924fc3fb45a5533dc71245e097c4d5fcbaf662bee97f
SHA512

18041e3b191c9af6ca5ffdeb67043e357c7f1cf4fe8a874713a1321af73dd576e81463e31d75d69cba1a378faea7ea80d31fc19244c5e622edaf714b76d8426b
SSDEEP

3072:7qB8RinudiP52xx67lLdkiHDouqkqlT1N1wWJGIFf0HStVa:77kgiPA6RaPuJkT1NyyGI3Va

Score

10^/10

berbew backdoor discovery

Malware Config

Signatures

Berbew
Berbew is a backdoor written in C++.
backdoor berbew
Berbew family
berbew

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2720	1236	WerFault.exe	28

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	unknown-cbf9a2d0623e8013ac45924fc3fb45a5533dc71245e097c4d5fcbaf662bee97f.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1236 wrote to memory of 2720	1236	unknown-cbf9a2d0623e8013ac45924fc3fb45a5533dc71245e097c4d5fcbaf662bee97f.exe	29
PID 1236 wrote to memory of 2720	1236	unknown-cbf9a2d0623e8013ac45924fc3fb45a5533dc71245e097c4d5fcbaf662bee97f.exe	29
PID 1236 wrote to memory of 2720	1236	unknown-cbf9a2d0623e8013ac45924fc3fb45a5533dc71245e097c4d5fcbaf662bee97f.exe	29
PID 1236 wrote to memory of 2720	1236	unknown-cbf9a2d0623e8013ac45924fc3fb45a5533dc71245e097c4d5fcbaf662bee97f.exe	29

C:\Users\Admin\AppData\Local\Temp\2024-12-25\unknown-cbf9a2d0623e8013ac45924fc3fb45a5533dc71245e097c4d5fcbaf662bee97f.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-25\unknown-cbf9a2d0623e8013ac45924fc3fb45a5533dc71245e097c4d5fcbaf662bee97f.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1236
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1236 -s 36
  2⤵
  - Program crash
  PID:2720

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

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Downloads

memory/1236-1-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

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