berbew | 4389136b35042ce4dc26928108a86ddbbf20f410f9dcc9ddb2f48c3fd3ce8e58

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06/03/2025, 00:21

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General

Target

4389136b35042ce4dc26928108a86ddbbf20f410f9dcc9ddb2f48c3fd3ce8e58.exe
Size

472KB
MD5

0e20c65b32193b0228c04b1b3740aa8c
SHA1

8989027ca05fa816b2cadff94d02c889d3e66847
SHA256

4389136b35042ce4dc26928108a86ddbbf20f410f9dcc9ddb2f48c3fd3ce8e58
SHA512

11c8b965be14afcf02bc136b5f0b0554e9de99f3b640250238cb606d70c295defcb2b1689093031bcd1d0d27d24b0386e0b106199596d6d3db1ae125c4aaef25
SSDEEP

3072:zq8RinudiP52xx67lLd3iHDozxheFEpuOHvAOiyWMJi7EMMZvfSv:zHkgiPA6RVPzxO5yWKi7pMcv

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
2060	2464	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	4389136b35042ce4dc26928108a86ddbbf20f410f9dcc9ddb2f48c3fd3ce8e58.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2464 wrote to memory of 2060	2464	4389136b35042ce4dc26928108a86ddbbf20f410f9dcc9ddb2f48c3fd3ce8e58.exe	31
PID 2464 wrote to memory of 2060	2464	4389136b35042ce4dc26928108a86ddbbf20f410f9dcc9ddb2f48c3fd3ce8e58.exe	31
PID 2464 wrote to memory of 2060	2464	4389136b35042ce4dc26928108a86ddbbf20f410f9dcc9ddb2f48c3fd3ce8e58.exe	31
PID 2464 wrote to memory of 2060	2464	4389136b35042ce4dc26928108a86ddbbf20f410f9dcc9ddb2f48c3fd3ce8e58.exe	31

C:\Users\Admin\AppData\Local\Temp\4389136b35042ce4dc26928108a86ddbbf20f410f9dcc9ddb2f48c3fd3ce8e58.exe
"C:\Users\Admin\AppData\Local\Temp\4389136b35042ce4dc26928108a86ddbbf20f410f9dcc9ddb2f48c3fd3ce8e58.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2464
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2464 -s 36
  2⤵
  - Program crash
  PID:2060

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/2464-1-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

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