berbew | 99f9811f5fb3fb91a99053927aeb83aa27baaa9200f2eefb9d07c77a31e58eaf

Analysis

max time kernel
94s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
08/03/2025, 05:08

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General

Target

99f9811f5fb3fb91a99053927aeb83aa27baaa9200f2eefb9d07c77a31e58eaf.exe
Size

472KB
MD5

81f6e4eefe9a8019c69abf73ac2a2f7f
SHA1

fd6c5887114b08a993d653032f39d3a3c8d21bad
SHA256

99f9811f5fb3fb91a99053927aeb83aa27baaa9200f2eefb9d07c77a31e58eaf
SHA512

77417729229656b55fd4bf154086691163bbf1958dab1d311bd19463465426fa22da96d88aaabb6cb21863ecaf1e92e4a689069abf732270a93e8fac1f4de5c8
SSDEEP

3072:2Im8RinudiP52xx67lLdziHDomI0I4RvhO742kAAsmEsR7y+:2KkgiPA6RRPmx1TO745A7MFy+

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
5084	3396	WerFault.exe	83

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	99f9811f5fb3fb91a99053927aeb83aa27baaa9200f2eefb9d07c77a31e58eaf.exe

C:\Users\Admin\AppData\Local\Temp\99f9811f5fb3fb91a99053927aeb83aa27baaa9200f2eefb9d07c77a31e58eaf.exe
"C:\Users\Admin\AppData\Local\Temp\99f9811f5fb3fb91a99053927aeb83aa27baaa9200f2eefb9d07c77a31e58eaf.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:3396
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3396 -s 224
  2⤵
  - Program crash
  PID:5084

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3396 -ip 3396
1⤵
PID:4760

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/3396-0-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

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