berbew | 6fbc09d09c2290b681d47b26da4f2dfb8649ee4e424af854ce516eb20939c6f5

Analysis

max time kernel
117s
max time network
125s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
07-12-2024 19:17

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General

Target

6fbc09d09c2290b681d47b26da4f2dfb8649ee4e424af854ce516eb20939c6f5N.exe
Size

472KB
MD5

fdb3bd53db5da8dbde523bce6d2cd740
SHA1

984c2431d4898ea8a644ac846e22da16c0215b03
SHA256

6fbc09d09c2290b681d47b26da4f2dfb8649ee4e424af854ce516eb20939c6f5
SHA512

f194ce776a71ac0534f4dcfe5c7428549f3dc293c9b492ddaf0ded88299c8596743518fd6d2bd0f15dd9d562b6370fbe0868050252abc8cffae5af206a001cbb
SSDEEP

3072:68RinudiP52xx67lLdyiHDoCzevDH6CevZ4EOssM:3kgiPA6RgPAMDH6/Z4Er

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
3004	2904	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	6fbc09d09c2290b681d47b26da4f2dfb8649ee4e424af854ce516eb20939c6f5N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2904 wrote to memory of 3004	2904	6fbc09d09c2290b681d47b26da4f2dfb8649ee4e424af854ce516eb20939c6f5N.exe	30
PID 2904 wrote to memory of 3004	2904	6fbc09d09c2290b681d47b26da4f2dfb8649ee4e424af854ce516eb20939c6f5N.exe	30
PID 2904 wrote to memory of 3004	2904	6fbc09d09c2290b681d47b26da4f2dfb8649ee4e424af854ce516eb20939c6f5N.exe	30
PID 2904 wrote to memory of 3004	2904	6fbc09d09c2290b681d47b26da4f2dfb8649ee4e424af854ce516eb20939c6f5N.exe	30

C:\Users\Admin\AppData\Local\Temp\6fbc09d09c2290b681d47b26da4f2dfb8649ee4e424af854ce516eb20939c6f5N.exe
"C:\Users\Admin\AppData\Local\Temp\6fbc09d09c2290b681d47b26da4f2dfb8649ee4e424af854ce516eb20939c6f5N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2904
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2904 -s 36
  2⤵
  - Program crash
  PID:3004

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/2904-1-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

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