berbew | 5e649e950518a6b922f507dcc54fe1ca16813628d84ea13396f632e882cca83e

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23/12/2024, 21:45

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General

Target

5e649e950518a6b922f507dcc54fe1ca16813628d84ea13396f632e882cca83e.exe
Size

472KB
MD5

3d2e1a27565452aa3d5cde48cd6d3dc6
SHA1

411d82a24ce27d5fef403fe56f1cdf357c1d4215
SHA256

5e649e950518a6b922f507dcc54fe1ca16813628d84ea13396f632e882cca83e
SHA512

c75a6a4736330c0b018f09d3cd2c48ca72a7b768849f0345a0847e6e66aa49f155a9af024e99991bf754425159c7b941051c0c4ad3bb452b25657b42c9102f60
SSDEEP

3072:fM8RinudiP52xx67lLdjiHDoNG96+B+/GFdKDeFmXnATYV3N:hkgiPA6RVPCBzKDe2ATa3

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
1736	1636	WerFault.exe	27

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	5e649e950518a6b922f507dcc54fe1ca16813628d84ea13396f632e882cca83e.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1636 wrote to memory of 1736	1636	5e649e950518a6b922f507dcc54fe1ca16813628d84ea13396f632e882cca83e.exe	28
PID 1636 wrote to memory of 1736	1636	5e649e950518a6b922f507dcc54fe1ca16813628d84ea13396f632e882cca83e.exe	28
PID 1636 wrote to memory of 1736	1636	5e649e950518a6b922f507dcc54fe1ca16813628d84ea13396f632e882cca83e.exe	28
PID 1636 wrote to memory of 1736	1636	5e649e950518a6b922f507dcc54fe1ca16813628d84ea13396f632e882cca83e.exe	28

C:\Users\Admin\AppData\Local\Temp\5e649e950518a6b922f507dcc54fe1ca16813628d84ea13396f632e882cca83e.exe
"C:\Users\Admin\AppData\Local\Temp\5e649e950518a6b922f507dcc54fe1ca16813628d84ea13396f632e882cca83e.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1636
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1636 -s 36
  2⤵
  - Program crash
  PID:1736

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

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Downloads

memory/1636-1-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

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