berbew | 356b97e52e9a27258b02a591a53bb4ec3bf167ba042ee0d05c1beae60559ceea

Analysis

max time kernel
117s
max time network
120s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
30-10-2024 21:48

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General

Target

356b97e52e9a27258b02a591a53bb4ec3bf167ba042ee0d05c1beae60559ceea.exe
Size

337KB
MD5

e5b7522d58fecb766b73179a744906d0
SHA1

63bfe622b8112bfcae116d0a172a9c5b59528d31
SHA256

356b97e52e9a27258b02a591a53bb4ec3bf167ba042ee0d05c1beae60559ceea
SHA512

6916aaf050f7351fb1a1288cc8d6033a1df56017c62804c1a642a45d124432926ff719ba113f3d50fbed46c48069e73ba6168cd2a423ac400ce0d1b0bc5faf03
SSDEEP

6144:O81fCh5V5Z5V5V5X5X5X56EL1+fIyG5jZkCwi8r:J1Y5V5Z5V5V5X5X5X5yiZkCwiY

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

Processes:

WerFault.exe

pid pid_target process target process

2460 2500 WerFault.exe 356b97e52e9a27258b02a591a53bb4ec3bf167ba042ee0d05c1beae60559ceea.exe

pid	pid_target	process	target process
2460	2500	WerFault.exe	356b97e52e9a27258b02a591a53bb4ec3bf167ba042ee0d05c1beae60559ceea.exe

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

Processes:

356b97e52e9a27258b02a591a53bb4ec3bf167ba042ee0d05c1beae60559ceea.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	356b97e52e9a27258b02a591a53bb4ec3bf167ba042ee0d05c1beae60559ceea.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

356b97e52e9a27258b02a591a53bb4ec3bf167ba042ee0d05c1beae60559ceea.exe

description	pid	process	target process
PID 2500 wrote to memory of 2460	2500	356b97e52e9a27258b02a591a53bb4ec3bf167ba042ee0d05c1beae60559ceea.exe	WerFault.exe
PID 2500 wrote to memory of 2460	2500	356b97e52e9a27258b02a591a53bb4ec3bf167ba042ee0d05c1beae60559ceea.exe	WerFault.exe
PID 2500 wrote to memory of 2460	2500	356b97e52e9a27258b02a591a53bb4ec3bf167ba042ee0d05c1beae60559ceea.exe	WerFault.exe
PID 2500 wrote to memory of 2460	2500	356b97e52e9a27258b02a591a53bb4ec3bf167ba042ee0d05c1beae60559ceea.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\356b97e52e9a27258b02a591a53bb4ec3bf167ba042ee0d05c1beae60559ceea.exe
"C:\Users\Admin\AppData\Local\Temp\356b97e52e9a27258b02a591a53bb4ec3bf167ba042ee0d05c1beae60559ceea.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2500
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2500 -s 140
  2⤵
  - Program crash
  PID:2460

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/2500-0-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

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memory/2500-1-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

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