berbew | c825a9b66272a9160a0a416ca59b5c0a31131180e7848307388cfb8fa6e17815

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
14/10/2024, 03:37

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General

Target

c825a9b66272a9160a0a416ca59b5c0a31131180e7848307388cfb8fa6e17815.exe
Size

448KB
MD5

7d76c3a6bcd9cbda3583a0a2fc76bd06
SHA1

0207bf36d0d1b864e07f44ef168fd8df6aae42df
SHA256

c825a9b66272a9160a0a416ca59b5c0a31131180e7848307388cfb8fa6e17815
SHA512

ef54fe4d0f9eb9c765e7087e3cd70a5f1c318d010d6053bc74aec748b81cf2cb3bc85ee1a3453202ed1aec6f28ddb950d90698d3857ae3b6863f1fc0f3efa8bd
SSDEEP

6144:kIdiATD7e6UK+42GTQMJSZO5f7M0rx7/hP66qve6UK+42GTQMJSZO5f7wj7vK/uk:FpTmkY660fIaDZkY660f8jTK/h

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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1148	1920	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	c825a9b66272a9160a0a416ca59b5c0a31131180e7848307388cfb8fa6e17815.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1920 wrote to memory of 1148	1920	c825a9b66272a9160a0a416ca59b5c0a31131180e7848307388cfb8fa6e17815.exe	30
PID 1920 wrote to memory of 1148	1920	c825a9b66272a9160a0a416ca59b5c0a31131180e7848307388cfb8fa6e17815.exe	30
PID 1920 wrote to memory of 1148	1920	c825a9b66272a9160a0a416ca59b5c0a31131180e7848307388cfb8fa6e17815.exe	30
PID 1920 wrote to memory of 1148	1920	c825a9b66272a9160a0a416ca59b5c0a31131180e7848307388cfb8fa6e17815.exe	30

C:\Users\Admin\AppData\Local\Temp\c825a9b66272a9160a0a416ca59b5c0a31131180e7848307388cfb8fa6e17815.exe
"C:\Users\Admin\AppData\Local\Temp\c825a9b66272a9160a0a416ca59b5c0a31131180e7848307388cfb8fa6e17815.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1920
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1920 -s 140
  2⤵
  - Program crash
  PID:1148

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/1920-0-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

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memory/1920-1-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

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