berbew | 2b853d44ea90bbe52383b5e220f625ed2cf97e90f3af330fcb7bc8c4583b5ee0

Analysis

max time kernel
67s
max time network
20s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
25-12-2024 18:37

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General

Target

2b853d44ea90bbe52383b5e220f625ed2cf97e90f3af330fcb7bc8c4583b5ee0N.exe
Size

207KB
MD5

e8594374b3d0688f75c4d16782839390
SHA1

af10b49c3cb148c62921d31ea537bd59c49c5624
SHA256

2b853d44ea90bbe52383b5e220f625ed2cf97e90f3af330fcb7bc8c4583b5ee0
SHA512

f32bbc3c3279f813637e017c78ccc42d180244dfb65682d68482b745a5ebfd0b7ac6dc0bec454d7d8342b4ae34e458dffc2320f53fca0a9a84014932642108cc
SSDEEP

6144:8tLDl6dNmDBJkpxxVjj+VPj92d62ASOwj:8dR6kC5pIPj92aSOc

Score

10^/10

berbew backdoor discovery

Malware Config

Extracted

Family

berbew

http://f/wcmd.htm

http://f/ppslog.php

http://f/piplog.php?%s:%i:%i:%s:%09u:%i:%02d:%02d:%02d

Signatures

Berbew
Berbew is a backdoor written in C++.
backdoor berbew
Berbew family
berbew

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2808	2772	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	2b853d44ea90bbe52383b5e220f625ed2cf97e90f3af330fcb7bc8c4583b5ee0N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2772 wrote to memory of 2808	2772	2b853d44ea90bbe52383b5e220f625ed2cf97e90f3af330fcb7bc8c4583b5ee0N.exe	30
PID 2772 wrote to memory of 2808	2772	2b853d44ea90bbe52383b5e220f625ed2cf97e90f3af330fcb7bc8c4583b5ee0N.exe	30
PID 2772 wrote to memory of 2808	2772	2b853d44ea90bbe52383b5e220f625ed2cf97e90f3af330fcb7bc8c4583b5ee0N.exe	30
PID 2772 wrote to memory of 2808	2772	2b853d44ea90bbe52383b5e220f625ed2cf97e90f3af330fcb7bc8c4583b5ee0N.exe	30

C:\Users\Admin\AppData\Local\Temp\2b853d44ea90bbe52383b5e220f625ed2cf97e90f3af330fcb7bc8c4583b5ee0N.exe
"C:\Users\Admin\AppData\Local\Temp\2b853d44ea90bbe52383b5e220f625ed2cf97e90f3af330fcb7bc8c4583b5ee0N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2772
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2772 -s 140
  2⤵
  - Program crash
  PID:2808

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/2772-0-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

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memory/2772-2-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download