berbew | 69dd9fe387a4968df46e34746f1cf50663a7ee46e1ece8382cca59a633266039

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
12-10-2024 14:36

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General

Target

69dd9fe387a4968df46e34746f1cf50663a7ee46e1ece8382cca59a633266039N.exe
Size

96KB
MD5

b536b8f92410726124cffdc249c07b60
SHA1

3ebf6d352a6a765cf318f7e9af086e467b96748f
SHA256

69dd9fe387a4968df46e34746f1cf50663a7ee46e1ece8382cca59a633266039
SHA512

e13b931ca955859fe3caf3d20b5fc24da6d6389e12fe2cd9c3e5d5c276142827523f1aaaeab8ab3e42492849d5463e96cc7612a842ec5116cdb4960d4dc2ee32
SSDEEP

1536:hRA/QvzBCxpqhLONcHi1WIvqJ0sm3Y6qtZvkgObdc+NuOHns7hrUQVoMdUT+irF:PA/QvzBJONco/I6qtZVO5cYRs7hr1Rhk

Score

10^/10

berbew backdoor discovery

Malware Config

Signatures

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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2816	2776	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	69dd9fe387a4968df46e34746f1cf50663a7ee46e1ece8382cca59a633266039N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2776 wrote to memory of 2816	2776	69dd9fe387a4968df46e34746f1cf50663a7ee46e1ece8382cca59a633266039N.exe	30
PID 2776 wrote to memory of 2816	2776	69dd9fe387a4968df46e34746f1cf50663a7ee46e1ece8382cca59a633266039N.exe	30
PID 2776 wrote to memory of 2816	2776	69dd9fe387a4968df46e34746f1cf50663a7ee46e1ece8382cca59a633266039N.exe	30
PID 2776 wrote to memory of 2816	2776	69dd9fe387a4968df46e34746f1cf50663a7ee46e1ece8382cca59a633266039N.exe	30

C:\Users\Admin\AppData\Local\Temp\69dd9fe387a4968df46e34746f1cf50663a7ee46e1ece8382cca59a633266039N.exe
"C:\Users\Admin\AppData\Local\Temp\69dd9fe387a4968df46e34746f1cf50663a7ee46e1ece8382cca59a633266039N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2776
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2776 -s 140
  2⤵
  - Program crash
  PID:2816

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/2776-0-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/2776-1-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

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