berbew | 1b53d62f5a80fd1a2b400a97f5637997b05e11bb26ecd74f5a6e0c214ec84fba

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
25-12-2024 15:32

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General

Target

1b53d62f5a80fd1a2b400a97f5637997b05e11bb26ecd74f5a6e0c214ec84fbaN.exe
Size

472KB
MD5

e4f733ec660979031add5a321d16fa50
SHA1

698e4ee31e4b59513ac15a1f6ddbd49e090a3124
SHA256

1b53d62f5a80fd1a2b400a97f5637997b05e11bb26ecd74f5a6e0c214ec84fba
SHA512

4c61676805195af45491f5b10078220354e9b10254d550df9fee339da32d77579274f8c40e3796488403f0d5a28c6818a026ea6becb9255cbde153227806c585
SSDEEP

3072:Q08RinudiP52xx67lLdMiHDoVJEpZQsWRjGf5De:QRkgiPA6RiPVJ86fpG1e

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
2100	2488	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	1b53d62f5a80fd1a2b400a97f5637997b05e11bb26ecd74f5a6e0c214ec84fbaN.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2488 wrote to memory of 2100	2488	1b53d62f5a80fd1a2b400a97f5637997b05e11bb26ecd74f5a6e0c214ec84fbaN.exe	31
PID 2488 wrote to memory of 2100	2488	1b53d62f5a80fd1a2b400a97f5637997b05e11bb26ecd74f5a6e0c214ec84fbaN.exe	31
PID 2488 wrote to memory of 2100	2488	1b53d62f5a80fd1a2b400a97f5637997b05e11bb26ecd74f5a6e0c214ec84fbaN.exe	31
PID 2488 wrote to memory of 2100	2488	1b53d62f5a80fd1a2b400a97f5637997b05e11bb26ecd74f5a6e0c214ec84fbaN.exe	31

C:\Users\Admin\AppData\Local\Temp\1b53d62f5a80fd1a2b400a97f5637997b05e11bb26ecd74f5a6e0c214ec84fbaN.exe
"C:\Users\Admin\AppData\Local\Temp\1b53d62f5a80fd1a2b400a97f5637997b05e11bb26ecd74f5a6e0c214ec84fbaN.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2488
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2488 -s 36
  2⤵
  - Program crash
  PID:2100

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/2488-1-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

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