berbew | f763f1d67e25ef62e191cf2932685d9904846a6d68e01ba868c8645508935c4e

Analysis

max time kernel
24s
max time network
16s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
23-11-2024 03:46

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General

Target

f763f1d67e25ef62e191cf2932685d9904846a6d68e01ba868c8645508935c4eN.exe
Size

72KB
MD5

a42aeeebf0d7a42afc8436f4cdb56e00
SHA1

02434c094869f098741fbbdcdb6518f2229a40e1
SHA256

f763f1d67e25ef62e191cf2932685d9904846a6d68e01ba868c8645508935c4e
SHA512

f53cddb66c53237a3b6317e42d8562e7cceeac077135636753f2a62a2c9e21d27fa95f81f743c3a7b019005aecedc53bdadd55533cb25c0a3ee80e35cfeef696
SSDEEP

1536:sNppDn++svvkmLjW8mCysHBNFmJEySmL/eb9pFlWoHpx:sNp/svnjWpI6qxGWD1Hpx

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
2960	2920	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	f763f1d67e25ef62e191cf2932685d9904846a6d68e01ba868c8645508935c4eN.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2920 wrote to memory of 2960	2920	f763f1d67e25ef62e191cf2932685d9904846a6d68e01ba868c8645508935c4eN.exe	30
PID 2920 wrote to memory of 2960	2920	f763f1d67e25ef62e191cf2932685d9904846a6d68e01ba868c8645508935c4eN.exe	30
PID 2920 wrote to memory of 2960	2920	f763f1d67e25ef62e191cf2932685d9904846a6d68e01ba868c8645508935c4eN.exe	30
PID 2920 wrote to memory of 2960	2920	f763f1d67e25ef62e191cf2932685d9904846a6d68e01ba868c8645508935c4eN.exe	30

C:\Users\Admin\AppData\Local\Temp\f763f1d67e25ef62e191cf2932685d9904846a6d68e01ba868c8645508935c4eN.exe
"C:\Users\Admin\AppData\Local\Temp\f763f1d67e25ef62e191cf2932685d9904846a6d68e01ba868c8645508935c4eN.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2920
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2920 -s 140
  2⤵
  - Program crash
  PID:2960

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/2920-0-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

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memory/2920-1-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

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