berbew | e6d574fda2d6f9f6ddf3ecff7f3c2e31350bcbd1714687ef7636aa2d87ca0752

Analysis

max time kernel
121s
max time network
121s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 02:21

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General

Target

e6d574fda2d6f9f6ddf3ecff7f3c2e31350bcbd1714687ef7636aa2d87ca0752.exe
Size

472KB
MD5

340192677b547568dd9e414af6988c92
SHA1

3b16ad7acfe0480751ca9b5a6061b790b2ebe1e4
SHA256

e6d574fda2d6f9f6ddf3ecff7f3c2e31350bcbd1714687ef7636aa2d87ca0752
SHA512

747b1e60a6efa302119883053075630238c804e06c7d3f311cbc36b66360bdd41aee8eac7768b7dba2eed65dd3c444770a01c9f809f9c3692b9d570e97f56e12
SSDEEP

3072:A8RinudiP52xx67lLdiiHDoWvuDryWBFq7E34XzcQ2Id:lkgiPA6RgPW3KA7U4Xzn2Id

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
1240	1956	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	e6d574fda2d6f9f6ddf3ecff7f3c2e31350bcbd1714687ef7636aa2d87ca0752.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1956 wrote to memory of 1240	1956	e6d574fda2d6f9f6ddf3ecff7f3c2e31350bcbd1714687ef7636aa2d87ca0752.exe	30
PID 1956 wrote to memory of 1240	1956	e6d574fda2d6f9f6ddf3ecff7f3c2e31350bcbd1714687ef7636aa2d87ca0752.exe	30
PID 1956 wrote to memory of 1240	1956	e6d574fda2d6f9f6ddf3ecff7f3c2e31350bcbd1714687ef7636aa2d87ca0752.exe	30
PID 1956 wrote to memory of 1240	1956	e6d574fda2d6f9f6ddf3ecff7f3c2e31350bcbd1714687ef7636aa2d87ca0752.exe	30

C:\Users\Admin\AppData\Local\Temp\e6d574fda2d6f9f6ddf3ecff7f3c2e31350bcbd1714687ef7636aa2d87ca0752.exe
"C:\Users\Admin\AppData\Local\Temp\e6d574fda2d6f9f6ddf3ecff7f3c2e31350bcbd1714687ef7636aa2d87ca0752.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1956
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1956 -s 36
  2⤵
  - Program crash
  PID:1240

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/1956-1-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

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