berbew | 75963260b65767fde9d563e8fe1d64a2cb669c1d9c193c002b156133fbd2c342

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25-12-2024 20:18

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General

Target

75963260b65767fde9d563e8fe1d64a2cb669c1d9c193c002b156133fbd2c342N.exe
Size

472KB
MD5

e65e917f6f8c95ac0e44998d1030b820
SHA1

e9ffbe1b319b3c85f951d9dd21e9b41450a1f7b1
SHA256

75963260b65767fde9d563e8fe1d64a2cb669c1d9c193c002b156133fbd2c342
SHA512

2a03ed22f04ddaa7a0d42d80adedf7cf7b49b964d70c1dc571c4c384c8bb0c452f7196f1ee789dae5cb3bc8a41398d7656b5926e1c17e43ae918ff0829b43dfc
SSDEEP

3072:b8RinudiP52xx67lLdwiHDo69be7/tZ/z++z347sVj:okgiPA6RCP267DxL7l

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
316	2960	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	75963260b65767fde9d563e8fe1d64a2cb669c1d9c193c002b156133fbd2c342N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2960 wrote to memory of 316	2960	75963260b65767fde9d563e8fe1d64a2cb669c1d9c193c002b156133fbd2c342N.exe	28
PID 2960 wrote to memory of 316	2960	75963260b65767fde9d563e8fe1d64a2cb669c1d9c193c002b156133fbd2c342N.exe	28
PID 2960 wrote to memory of 316	2960	75963260b65767fde9d563e8fe1d64a2cb669c1d9c193c002b156133fbd2c342N.exe	28
PID 2960 wrote to memory of 316	2960	75963260b65767fde9d563e8fe1d64a2cb669c1d9c193c002b156133fbd2c342N.exe	28

C:\Users\Admin\AppData\Local\Temp\75963260b65767fde9d563e8fe1d64a2cb669c1d9c193c002b156133fbd2c342N.exe
"C:\Users\Admin\AppData\Local\Temp\75963260b65767fde9d563e8fe1d64a2cb669c1d9c193c002b156133fbd2c342N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2960
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2960 -s 36
  2⤵
  - Program crash
  PID:316

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/2960-1-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

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