berbew | e0d92121b234bf618189f4b0d38f3bea86f6a5bb6b5e7a3d2e1688c8c19773cf

Analysis

max time kernel
119s
max time network
17s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08-12-2024 04:21

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General

Target

e0d92121b234bf618189f4b0d38f3bea86f6a5bb6b5e7a3d2e1688c8c19773cfN.exe
Size

472KB
MD5

4c726f8aa7ef85790cf2c30ecae4d7c0
SHA1

ece8b48802694a41a7949f6ba7dcd1962508f4b0
SHA256

e0d92121b234bf618189f4b0d38f3bea86f6a5bb6b5e7a3d2e1688c8c19773cf
SHA512

b93ae451b7ac1b9c5c868d846334947dcb38b0d355fc81919afd1a6e9a82003430b68226761e6a1e2ca099f802eee868fa63711d70dd1596aa099e8a1337cf19
SSDEEP

3072:OfC8RinudiP52xx67lLdYiHDoxfhf1xHPs/HqP4UihL7z8:OfPkgiPA6RWPxfhfTHPs/HvUihL7g

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
2768	2692	WerFault.exe	30

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	e0d92121b234bf618189f4b0d38f3bea86f6a5bb6b5e7a3d2e1688c8c19773cfN.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2692 wrote to memory of 2768	2692	e0d92121b234bf618189f4b0d38f3bea86f6a5bb6b5e7a3d2e1688c8c19773cfN.exe	31
PID 2692 wrote to memory of 2768	2692	e0d92121b234bf618189f4b0d38f3bea86f6a5bb6b5e7a3d2e1688c8c19773cfN.exe	31
PID 2692 wrote to memory of 2768	2692	e0d92121b234bf618189f4b0d38f3bea86f6a5bb6b5e7a3d2e1688c8c19773cfN.exe	31
PID 2692 wrote to memory of 2768	2692	e0d92121b234bf618189f4b0d38f3bea86f6a5bb6b5e7a3d2e1688c8c19773cfN.exe	31

C:\Users\Admin\AppData\Local\Temp\e0d92121b234bf618189f4b0d38f3bea86f6a5bb6b5e7a3d2e1688c8c19773cfN.exe
"C:\Users\Admin\AppData\Local\Temp\e0d92121b234bf618189f4b0d38f3bea86f6a5bb6b5e7a3d2e1688c8c19773cfN.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2692
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2692 -s 36
  2⤵
  - Program crash
  PID:2768

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/2692-1-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

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