berbew | d806807bed2260e40eb04c0b1bcca07a725f087b2336d7225c3d6f76184631ae

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25-12-2024 03:15

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General

Target

d806807bed2260e40eb04c0b1bcca07a725f087b2336d7225c3d6f76184631ae.exe
Size

472KB
MD5

69061b5c5a2081669c79524cc4f23beb
SHA1

b6c46c92283a36fde7c22c29ae7d57e4d4d9d507
SHA256

d806807bed2260e40eb04c0b1bcca07a725f087b2336d7225c3d6f76184631ae
SHA512

19492dc8d33bed5309aaf478c151701082ee7a57ec948539dfb162a6deee0193682e81692b56c6df02c375a40ed224add9d5d82bad4bb7c6542e446b575516a9
SSDEEP

3072:C8RinudiP52xx67lLdLiHDobWtfv0t3qeTxKheVdTz3QDh:PkgiPA6R5P6tXu35TxKhSF3Qd

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
1804	2516	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	d806807bed2260e40eb04c0b1bcca07a725f087b2336d7225c3d6f76184631ae.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2516 wrote to memory of 1804	2516	d806807bed2260e40eb04c0b1bcca07a725f087b2336d7225c3d6f76184631ae.exe	30
PID 2516 wrote to memory of 1804	2516	d806807bed2260e40eb04c0b1bcca07a725f087b2336d7225c3d6f76184631ae.exe	30
PID 2516 wrote to memory of 1804	2516	d806807bed2260e40eb04c0b1bcca07a725f087b2336d7225c3d6f76184631ae.exe	30
PID 2516 wrote to memory of 1804	2516	d806807bed2260e40eb04c0b1bcca07a725f087b2336d7225c3d6f76184631ae.exe	30

C:\Users\Admin\AppData\Local\Temp\d806807bed2260e40eb04c0b1bcca07a725f087b2336d7225c3d6f76184631ae.exe
"C:\Users\Admin\AppData\Local\Temp\d806807bed2260e40eb04c0b1bcca07a725f087b2336d7225c3d6f76184631ae.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2516
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2516 -s 36
  2⤵
  - Program crash
  PID:1804

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/2516-1-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

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