berbew | bb601e797c0f568dec746e5328bf7eaedf5d693ed9d1294003537c83e8ea1be8

Analysis

max time kernel
121s
max time network
126s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
23-12-2024 02:34

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General

Target

bb601e797c0f568dec746e5328bf7eaedf5d693ed9d1294003537c83e8ea1be8.exe
Size

472KB
MD5

5087edf50323c1cad653c0306e212855
SHA1

9f0a6e701ebde9cdf8fad6b68238b60f34aff2e6
SHA256

bb601e797c0f568dec746e5328bf7eaedf5d693ed9d1294003537c83e8ea1be8
SHA512

cf2607a4e5ed58f5d24aa286c20abfa326de44904026052d222f3c11127cafa0fbcd68fc188e9ebcd62b9101105834bb860dcdef1ce0e028371c8a2613e1ae20
SSDEEP

3072:b8RinudiP52xx67lLdniHDoaQkSI//FRj2XE5KBQXnQMvaro8:okgiPA6RhPaiAfqXuKBQXQQZ8

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
3056	1976	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	bb601e797c0f568dec746e5328bf7eaedf5d693ed9d1294003537c83e8ea1be8.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1976 wrote to memory of 3056	1976	bb601e797c0f568dec746e5328bf7eaedf5d693ed9d1294003537c83e8ea1be8.exe	30
PID 1976 wrote to memory of 3056	1976	bb601e797c0f568dec746e5328bf7eaedf5d693ed9d1294003537c83e8ea1be8.exe	30
PID 1976 wrote to memory of 3056	1976	bb601e797c0f568dec746e5328bf7eaedf5d693ed9d1294003537c83e8ea1be8.exe	30
PID 1976 wrote to memory of 3056	1976	bb601e797c0f568dec746e5328bf7eaedf5d693ed9d1294003537c83e8ea1be8.exe	30

C:\Users\Admin\AppData\Local\Temp\bb601e797c0f568dec746e5328bf7eaedf5d693ed9d1294003537c83e8ea1be8.exe
"C:\Users\Admin\AppData\Local\Temp\bb601e797c0f568dec746e5328bf7eaedf5d693ed9d1294003537c83e8ea1be8.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1976
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1976 -s 36
  2⤵
  - Program crash
  PID:3056

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/1976-1-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

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