berbew | f67fd6ad92559c0f11527b13ed3028ea263c57cbd461941a78381e1a2ace52c1

Analysis

max time kernel
15s
max time network
16s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
25/12/2024, 16:03

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General

Target

f67fd6ad92559c0f11527b13ed3028ea263c57cbd461941a78381e1a2ace52c1N.exe
Size

472KB
MD5

93f91099171c8d89b92416272a6f57f0
SHA1

0cb72a0e28648356e469fc3d59d27ebc6cbc860e
SHA256

f67fd6ad92559c0f11527b13ed3028ea263c57cbd461941a78381e1a2ace52c1
SHA512

a1b85b1fb842330904a807c5d269c10113ba499d878773a43542715c653b0321cb68ab21bd037526ae0aab7b16e9046b889c0e272c6a6f280440e370755c157e
SSDEEP

3072:p8RinudiP52xx67lLd5iHDo57R8YKEIhsDh2fqi+md599Z:mkgiPA6RnP57R8YKEIhjfq7w99Z

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
2636	2596	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	f67fd6ad92559c0f11527b13ed3028ea263c57cbd461941a78381e1a2ace52c1N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2596 wrote to memory of 2636	2596	f67fd6ad92559c0f11527b13ed3028ea263c57cbd461941a78381e1a2ace52c1N.exe	30
PID 2596 wrote to memory of 2636	2596	f67fd6ad92559c0f11527b13ed3028ea263c57cbd461941a78381e1a2ace52c1N.exe	30
PID 2596 wrote to memory of 2636	2596	f67fd6ad92559c0f11527b13ed3028ea263c57cbd461941a78381e1a2ace52c1N.exe	30
PID 2596 wrote to memory of 2636	2596	f67fd6ad92559c0f11527b13ed3028ea263c57cbd461941a78381e1a2ace52c1N.exe	30

C:\Users\Admin\AppData\Local\Temp\f67fd6ad92559c0f11527b13ed3028ea263c57cbd461941a78381e1a2ace52c1N.exe
"C:\Users\Admin\AppData\Local\Temp\f67fd6ad92559c0f11527b13ed3028ea263c57cbd461941a78381e1a2ace52c1N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2596
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2596 -s 36
  2⤵
  - Program crash
  PID:2636

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/2596-1-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

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