berbew | 1a64c67ca60828a8185ed313f894cfaf1e55bf48cf8c49789e381808ce148f88

Analysis

max time kernel
16s
max time network
18s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
08/12/2024, 04:12

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General

Target

1a64c67ca60828a8185ed313f894cfaf1e55bf48cf8c49789e381808ce148f88N.exe
Size

472KB
MD5

0e0a7c6afc65174221289c48754f0a70
SHA1

1004a94d921194b68c92eeb0dff636ead0510734
SHA256

1a64c67ca60828a8185ed313f894cfaf1e55bf48cf8c49789e381808ce148f88
SHA512

44dfcac0c82ac02d52653df672e258795026bd80ba20565b3dd780e084d09ea703d28e5c43d686feb0b068d7c3b567f231280b8a062e9c395e19345ef271811d
SSDEEP

3072:mU8RinudiP52xx67lLdaiHDoLBNpvHBHH2U7fj3:KkgiPA6RQP1vHMUv

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
1076	2204	WerFault.exe	28

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	1a64c67ca60828a8185ed313f894cfaf1e55bf48cf8c49789e381808ce148f88N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2204 wrote to memory of 1076	2204	1a64c67ca60828a8185ed313f894cfaf1e55bf48cf8c49789e381808ce148f88N.exe	29
PID 2204 wrote to memory of 1076	2204	1a64c67ca60828a8185ed313f894cfaf1e55bf48cf8c49789e381808ce148f88N.exe	29
PID 2204 wrote to memory of 1076	2204	1a64c67ca60828a8185ed313f894cfaf1e55bf48cf8c49789e381808ce148f88N.exe	29
PID 2204 wrote to memory of 1076	2204	1a64c67ca60828a8185ed313f894cfaf1e55bf48cf8c49789e381808ce148f88N.exe	29

C:\Users\Admin\AppData\Local\Temp\1a64c67ca60828a8185ed313f894cfaf1e55bf48cf8c49789e381808ce148f88N.exe
"C:\Users\Admin\AppData\Local\Temp\1a64c67ca60828a8185ed313f894cfaf1e55bf48cf8c49789e381808ce148f88N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2204
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2204 -s 36
  2⤵
  - Program crash
  PID:1076

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/2204-1-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

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