berbew | 45d4747169cc69a43bbb9477d7f95ee67de84deaf971828390f6345533a60e8a

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
06/03/2025, 00:30

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General

Target

45d4747169cc69a43bbb9477d7f95ee67de84deaf971828390f6345533a60e8a.exe
Size

472KB
MD5

598c9b868d1778dacf6213a3a53c2c7e
SHA1

81126cc2ec6cf9a3a83b266ea0122c54e0f8799c
SHA256

45d4747169cc69a43bbb9477d7f95ee67de84deaf971828390f6345533a60e8a
SHA512

d31df23be79002f7325187ce4e9717f37f35bd007de2f87cd1b940b5ef03bb8b956ee080168da87f222d1548f1509b9bdad0574e7311a2ab2bd8712a361b8bcc
SSDEEP

3072:stY8RinudiP52xx67lLdHiHDozt3tf6GW5SWsFUxzv34tBMdl0LOIttt8ln:sttkgiPA6RtPzt3tflMz

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
848	1872	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	45d4747169cc69a43bbb9477d7f95ee67de84deaf971828390f6345533a60e8a.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1872 wrote to memory of 848	1872	45d4747169cc69a43bbb9477d7f95ee67de84deaf971828390f6345533a60e8a.exe	30
PID 1872 wrote to memory of 848	1872	45d4747169cc69a43bbb9477d7f95ee67de84deaf971828390f6345533a60e8a.exe	30
PID 1872 wrote to memory of 848	1872	45d4747169cc69a43bbb9477d7f95ee67de84deaf971828390f6345533a60e8a.exe	30
PID 1872 wrote to memory of 848	1872	45d4747169cc69a43bbb9477d7f95ee67de84deaf971828390f6345533a60e8a.exe	30

C:\Users\Admin\AppData\Local\Temp\45d4747169cc69a43bbb9477d7f95ee67de84deaf971828390f6345533a60e8a.exe
"C:\Users\Admin\AppData\Local\Temp\45d4747169cc69a43bbb9477d7f95ee67de84deaf971828390f6345533a60e8a.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1872
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1872 -s 36
  2⤵
  - Program crash
  PID:848

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/1872-1-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

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