berbew | d8cb8ace3792332b59d41141596cdb93fa99c74019d75c45c1cc8674e9c51395

Analysis

max time kernel
90s
max time network
16s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
23-12-2024 03:40

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General

Target

d8cb8ace3792332b59d41141596cdb93fa99c74019d75c45c1cc8674e9c51395.exe
Size

472KB
MD5

7a2dfa20c3e9420b60adb58f40d70637
SHA1

86a59af8d997927e200951913d7f86efd63094cc
SHA256

d8cb8ace3792332b59d41141596cdb93fa99c74019d75c45c1cc8674e9c51395
SHA512

434cb5889a58c771a4d294b1d99dae1fb0c3940e816b8b47f36309a214903a8f67c2a2c65bcff0da68ab4d77b11edfd690444e52952854e2cda83eff5cb93516
SSDEEP

3072:l8RinudiP52xx67lLdGiHDoRrx6YWS19G3ipveRMxqGxiv9:6kgiPA6R0PRrx6YW4FtUMxvm

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
2532	2744	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	d8cb8ace3792332b59d41141596cdb93fa99c74019d75c45c1cc8674e9c51395.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2744 wrote to memory of 2532	2744	d8cb8ace3792332b59d41141596cdb93fa99c74019d75c45c1cc8674e9c51395.exe	30
PID 2744 wrote to memory of 2532	2744	d8cb8ace3792332b59d41141596cdb93fa99c74019d75c45c1cc8674e9c51395.exe	30
PID 2744 wrote to memory of 2532	2744	d8cb8ace3792332b59d41141596cdb93fa99c74019d75c45c1cc8674e9c51395.exe	30
PID 2744 wrote to memory of 2532	2744	d8cb8ace3792332b59d41141596cdb93fa99c74019d75c45c1cc8674e9c51395.exe	30

C:\Users\Admin\AppData\Local\Temp\d8cb8ace3792332b59d41141596cdb93fa99c74019d75c45c1cc8674e9c51395.exe
"C:\Users\Admin\AppData\Local\Temp\d8cb8ace3792332b59d41141596cdb93fa99c74019d75c45c1cc8674e9c51395.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2744
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2744 -s 36
  2⤵
  - Program crash
  PID:2532

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/2744-1-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

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