berbew | 72a5e1f213f9acf059837934ae9298e97e2a8ee8fba4d03d540b088e9432a188

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23-11-2024 07:35

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General

Target

72a5e1f213f9acf059837934ae9298e97e2a8ee8fba4d03d540b088e9432a188.exe
Size

11.3MB
MD5

9d3acdc3ddfb7ff1370270d7f326e8f8
SHA1

e2dea0063ea99a78efcdfcba327e1ba88690aa5a
SHA256

72a5e1f213f9acf059837934ae9298e97e2a8ee8fba4d03d540b088e9432a188
SHA512

18b4686f6505aa05739a72937d7e22c33b4103a2231cde47a3ac02ba50bb93581ee7fd8bd8dfbd94a4ea5b19789154d8a4bae471c126455aa759082793a213da
SSDEEP

49152:YCZCGCZCMCZCGCZCDHpBCZCGCZCMCZCGCZCz:Lg9gng9gDHp4g9gng9gz

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

2344 2384 WerFault.exe 72a5e1f213f9acf059837934ae9298e97e2a8ee8fba4d03d540b088e9432a188.exe

pid	pid_target	process	target process
2344	2384	WerFault.exe	72a5e1f213f9acf059837934ae9298e97e2a8ee8fba4d03d540b088e9432a188.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:

72a5e1f213f9acf059837934ae9298e97e2a8ee8fba4d03d540b088e9432a188.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	72a5e1f213f9acf059837934ae9298e97e2a8ee8fba4d03d540b088e9432a188.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

72a5e1f213f9acf059837934ae9298e97e2a8ee8fba4d03d540b088e9432a188.exe

description	pid	process	target process
PID 2384 wrote to memory of 2344	2384	72a5e1f213f9acf059837934ae9298e97e2a8ee8fba4d03d540b088e9432a188.exe	WerFault.exe
PID 2384 wrote to memory of 2344	2384	72a5e1f213f9acf059837934ae9298e97e2a8ee8fba4d03d540b088e9432a188.exe	WerFault.exe
PID 2384 wrote to memory of 2344	2384	72a5e1f213f9acf059837934ae9298e97e2a8ee8fba4d03d540b088e9432a188.exe	WerFault.exe
PID 2384 wrote to memory of 2344	2384	72a5e1f213f9acf059837934ae9298e97e2a8ee8fba4d03d540b088e9432a188.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\72a5e1f213f9acf059837934ae9298e97e2a8ee8fba4d03d540b088e9432a188.exe
"C:\Users\Admin\AppData\Local\Temp\72a5e1f213f9acf059837934ae9298e97e2a8ee8fba4d03d540b088e9432a188.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2384
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2384 -s 140
  2⤵
  - Program crash
  PID:2344

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/2384-0-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

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memory/2384-1-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

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