berbew | 67e11083d3fa0032cd3c1c95872ca93f6cd519bd33c113cede097ef03980c914

Analysis

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22-12-2024 23:18

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General

Target

67e11083d3fa0032cd3c1c95872ca93f6cd519bd33c113cede097ef03980c914.exe
Size

472KB
MD5

01b75fafa7672113c770b4170f0e168d
SHA1

b76195e660d9828aff7f44524849e8b0d9fb43fc
SHA256

67e11083d3fa0032cd3c1c95872ca93f6cd519bd33c113cede097ef03980c914
SHA512

b25614652dc0b97303cdd931bd7bea9d92e89a230b6e91df33f2bb3c02242228f30eb42c4686abfee8e43f4eb86f966a12542ed6918d7181b0744877a94f4a58
SSDEEP

3072:g8RinudiP52xx67lLdmiHDoiCYx0kj4qkOdi4kLkMjavIxzcHSn:FkgiPA6RkPxYx0uRkOdK/aU

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
2776	2756	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	67e11083d3fa0032cd3c1c95872ca93f6cd519bd33c113cede097ef03980c914.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2756 wrote to memory of 2776	2756	67e11083d3fa0032cd3c1c95872ca93f6cd519bd33c113cede097ef03980c914.exe	30
PID 2756 wrote to memory of 2776	2756	67e11083d3fa0032cd3c1c95872ca93f6cd519bd33c113cede097ef03980c914.exe	30
PID 2756 wrote to memory of 2776	2756	67e11083d3fa0032cd3c1c95872ca93f6cd519bd33c113cede097ef03980c914.exe	30
PID 2756 wrote to memory of 2776	2756	67e11083d3fa0032cd3c1c95872ca93f6cd519bd33c113cede097ef03980c914.exe	30

C:\Users\Admin\AppData\Local\Temp\67e11083d3fa0032cd3c1c95872ca93f6cd519bd33c113cede097ef03980c914.exe
"C:\Users\Admin\AppData\Local\Temp\67e11083d3fa0032cd3c1c95872ca93f6cd519bd33c113cede097ef03980c914.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2756
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2756 -s 36
  2⤵
  - Program crash
  PID:2776

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/2756-1-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

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