berbew | bf9816ca1ddcd95b5645b587b0c22a4618f6a07b634813bfd11d9422efa8a6bc

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08-12-2024 02:44

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General

Target

bf9816ca1ddcd95b5645b587b0c22a4618f6a07b634813bfd11d9422efa8a6bc.exe
Size

96KB
MD5

71e9187771ed2775d6bdb07c601a6da1
SHA1

b8cce6ac740c7f94664fcd67578fcd3ef7f0f7d0
SHA256

bf9816ca1ddcd95b5645b587b0c22a4618f6a07b634813bfd11d9422efa8a6bc
SHA512

cb1199e26b81ac7613b6a73ac556ba17da653e6f5cf27301c7c34f521f8d32c8edc34953cf0d6c391e8667065436d9cd47edcc48170463f9cecb0e586f134e01
SSDEEP

1536:5P7Cm8iDUMG2t28mBgs7Bd+U7POpWq4Uye1duV9jojTIvjry:5CtiQMG2QB/7POl9H1d69jc0vq

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
2080	2468	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	bf9816ca1ddcd95b5645b587b0c22a4618f6a07b634813bfd11d9422efa8a6bc.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2468 wrote to memory of 2080	2468	bf9816ca1ddcd95b5645b587b0c22a4618f6a07b634813bfd11d9422efa8a6bc.exe	30
PID 2468 wrote to memory of 2080	2468	bf9816ca1ddcd95b5645b587b0c22a4618f6a07b634813bfd11d9422efa8a6bc.exe	30
PID 2468 wrote to memory of 2080	2468	bf9816ca1ddcd95b5645b587b0c22a4618f6a07b634813bfd11d9422efa8a6bc.exe	30
PID 2468 wrote to memory of 2080	2468	bf9816ca1ddcd95b5645b587b0c22a4618f6a07b634813bfd11d9422efa8a6bc.exe	30

C:\Users\Admin\AppData\Local\Temp\bf9816ca1ddcd95b5645b587b0c22a4618f6a07b634813bfd11d9422efa8a6bc.exe
"C:\Users\Admin\AppData\Local\Temp\bf9816ca1ddcd95b5645b587b0c22a4618f6a07b634813bfd11d9422efa8a6bc.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2468
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2468 -s 140
  2⤵
  - Program crash
  PID:2080

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/2468-0-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

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memory/2468-1-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

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