berbew | 8431987fd46110ed0b3cfa99aa2871b6d10884740c6c25e57e86aa5ad05ba559

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06/03/2025, 06:02

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General

Target

8431987fd46110ed0b3cfa99aa2871b6d10884740c6c25e57e86aa5ad05ba559.exe
Size

472KB
MD5

2fa4e9fdbb4cf13be45babd51c5c8854
SHA1

3a96f853d7da0c65804184f884ce9091d0a70614
SHA256

8431987fd46110ed0b3cfa99aa2871b6d10884740c6c25e57e86aa5ad05ba559
SHA512

2c16bda6a99d4a69ffa0252d92b36b0c44fc1c5e7133b54063899087db2deb7af9fcc9f512094ac948e617e1a0729c3730c0b22b43468496b7e95f247c151f8b
SSDEEP

3072:448RinudiP52xx67lLdViHDobN6X4mTvqWH5dLavu:OkgiPA6RDPopqIsu

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
1844	2120	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	8431987fd46110ed0b3cfa99aa2871b6d10884740c6c25e57e86aa5ad05ba559.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2120 wrote to memory of 1844	2120	8431987fd46110ed0b3cfa99aa2871b6d10884740c6c25e57e86aa5ad05ba559.exe	30
PID 2120 wrote to memory of 1844	2120	8431987fd46110ed0b3cfa99aa2871b6d10884740c6c25e57e86aa5ad05ba559.exe	30
PID 2120 wrote to memory of 1844	2120	8431987fd46110ed0b3cfa99aa2871b6d10884740c6c25e57e86aa5ad05ba559.exe	30
PID 2120 wrote to memory of 1844	2120	8431987fd46110ed0b3cfa99aa2871b6d10884740c6c25e57e86aa5ad05ba559.exe	30

C:\Users\Admin\AppData\Local\Temp\8431987fd46110ed0b3cfa99aa2871b6d10884740c6c25e57e86aa5ad05ba559.exe
"C:\Users\Admin\AppData\Local\Temp\8431987fd46110ed0b3cfa99aa2871b6d10884740c6c25e57e86aa5ad05ba559.exe"
1⤵
- 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 36
  2⤵
  - Program crash
  PID:1844

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/2120-1-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

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