berbew | 241d5e932144d6bf59010cad15af1524ea22da9152d3ab6f1639a8d47be28000

Analysis

max time kernel
124s
max time network
162s
platform
windows10-ltsc 2021_x64
resource
win10ltsc2021-20250207-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20250207-enlocale:en-usos:windows10-ltsc 2021-x64system
submitted
10/02/2025, 04:34

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General

Target
VirusSign.2023.11.29/057fad800b072e75d815eec284c5ea08.exe
Size 59KB
Sample250210-e7c5na1qhs
SHA256 fffb1c775a58e5a31d8e16b646789126ee68567e2867a5ad7910897cec7778d4
MD5 057fad800b072e75d815eec284c5ea08
SHA1 6836d350a68ecc2ab7df43350d60464d8492213a
SHA512 bac3048a62f54e69b46affdbe4eb1608f010f048c01106c8b9b7bf6a2e2105002bd7875ba362e6ccbb88ee73b4f334a33e890eccf00fe412330ff7ec933ab1ee
SSDEEP 768:57hGhSAgUsU/T8zno410XSZXR3i6HPA7+TtioPxqv6ddoxw6agZ/1H555nf1fZMa:59kgUsU/YJrtNPovY6N1NCyVso
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

berbew backdoor discovery

Malware Config

Signatures

Berbew
Berbew is a backdoor written in C++.
backdoor berbew
Berbew family
berbew

Downloads MZ/PE file 1 IoCs

flow	pid	Process
23	4824	Process not Found

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3948	3788	WerFault.exe	86

System Location Discovery: System Language Discovery 1 TTPs 2 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	057fad800b072e75d815eec284c5ea08.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MicrosoftEdgeUpdate.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
3476	MicrosoftEdgeUpdate.exe

C:\Users\Admin\AppData\Local\Temp\VirusSign.2023.11.29\057fad800b072e75d815eec284c5ea08.exe
"C:\Users\Admin\AppData\Local\Temp\VirusSign.2023.11.29\057fad800b072e75d815eec284c5ea08.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:3788
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3788 -s 436
  2⤵
  - Program crash
  PID:3948

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 3788 -ip 3788
1⤵
PID:2740

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-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
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:3476

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

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/3788-0-0x0000000000400000-0x000000000043A000-memory.dmp

Download

memory/3788-1-0x0000000000400000-0x000000000043A000-memory.dmp