berbew | 9cfc9970d6551bc0bf81fd7efa762d767a2d9d5e0776cd4d1d0d5174867596d5

General

Target

9cfc9970d6551bc0bf81fd7efa762d767a2d9d5e0776cd4d1d0d5174867596d5.exe
Size

55KB
MD5

663a3f0a1abbd95b795fdd31042a5bc4
SHA1

eef59fdae7634c77780b14b5616b73f087815ed9
SHA256

9cfc9970d6551bc0bf81fd7efa762d767a2d9d5e0776cd4d1d0d5174867596d5
SHA512

c81c047f5ecdd3cd112c1bf5ed0b2b0361c9c825d28f762e387fd0acdc5f1e7da0eacb2d8fc2b51f745c8acdb1bb7855934ac418acd38ec7ff9f7960b051680b
SSDEEP

1536:wAiX6gjjUXY2Q3GhCymetuLyNSoNSd0A3shxD6:w4iiK3wwLyNXNW0A8hh

Score

10^/10

berbew backdoor discovery persistence

Malware Config

Extracted

Family

berbew

C2

http://tat-neftbank.ru/kkq.php

http://tat-neftbank.ru/wcmd.htm

Signatures

Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad	9cfc9970d6551bc0bf81fd7efa762d767a2d9d5e0776cd4d1d0d5174867596d5.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\Web Event Logger = "{79FEACFF-FFCE-815E-A900-316290B5B738}"	9cfc9970d6551bc0bf81fd7efa762d767a2d9d5e0776cd4d1d0d5174867596d5.exe

Berbew
Berbew is a backdoor written in C++.
backdoor berbew
Berbew family
berbew

Executes dropped EXE 1 IoCs

pid	Process
2704	Nlhgoqhh.exe

Loads dropped DLL 6 IoCs

pid	Process
1508	9cfc9970d6551bc0bf81fd7efa762d767a2d9d5e0776cd4d1d0d5174867596d5.exe
1508	9cfc9970d6551bc0bf81fd7efa762d767a2d9d5e0776cd4d1d0d5174867596d5.exe
2728	WerFault.exe
2728	WerFault.exe
2728	WerFault.exe
2728	WerFault.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Nlhgoqhh.exe	9cfc9970d6551bc0bf81fd7efa762d767a2d9d5e0776cd4d1d0d5174867596d5.exe
File opened for modification	C:\Windows\SysWOW64\Nlhgoqhh.exe	9cfc9970d6551bc0bf81fd7efa762d767a2d9d5e0776cd4d1d0d5174867596d5.exe
File created	C:\Windows\SysWOW64\Lamajm32.dll	9cfc9970d6551bc0bf81fd7efa762d767a2d9d5e0776cd4d1d0d5174867596d5.exe

Program crash 1 IoCs

pid	pid_target	Process
2728	2704	WerFault.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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	9cfc9970d6551bc0bf81fd7efa762d767a2d9d5e0776cd4d1d0d5174867596d5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Nlhgoqhh.exe

Modifies registry class 6 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32	9cfc9970d6551bc0bf81fd7efa762d767a2d9d5e0776cd4d1d0d5174867596d5.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node	9cfc9970d6551bc0bf81fd7efa762d767a2d9d5e0776cd4d1d0d5174867596d5.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID	9cfc9970d6551bc0bf81fd7efa762d767a2d9d5e0776cd4d1d0d5174867596d5.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}	9cfc9970d6551bc0bf81fd7efa762d767a2d9d5e0776cd4d1d0d5174867596d5.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32\ = "C:\\Windows\\SysWow64\\Lamajm32.dll"	9cfc9970d6551bc0bf81fd7efa762d767a2d9d5e0776cd4d1d0d5174867596d5.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32\ThreadingModel = "Apartment"	9cfc9970d6551bc0bf81fd7efa762d767a2d9d5e0776cd4d1d0d5174867596d5.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1508 wrote to memory of 2704	1508	9cfc9970d6551bc0bf81fd7efa762d767a2d9d5e0776cd4d1d0d5174867596d5.exe	30
PID 1508 wrote to memory of 2704	1508	9cfc9970d6551bc0bf81fd7efa762d767a2d9d5e0776cd4d1d0d5174867596d5.exe	30
PID 1508 wrote to memory of 2704	1508	9cfc9970d6551bc0bf81fd7efa762d767a2d9d5e0776cd4d1d0d5174867596d5.exe	30
PID 1508 wrote to memory of 2704	1508	9cfc9970d6551bc0bf81fd7efa762d767a2d9d5e0776cd4d1d0d5174867596d5.exe	30
PID 2704 wrote to memory of 2728	2704	Nlhgoqhh.exe	31
PID 2704 wrote to memory of 2728	2704	Nlhgoqhh.exe	31
PID 2704 wrote to memory of 2728	2704	Nlhgoqhh.exe	31
PID 2704 wrote to memory of 2728	2704	Nlhgoqhh.exe	31

C:\Users\Admin\AppData\Local\Temp\9cfc9970d6551bc0bf81fd7efa762d767a2d9d5e0776cd4d1d0d5174867596d5.exe
"C:\Users\Admin\AppData\Local\Temp\9cfc9970d6551bc0bf81fd7efa762d767a2d9d5e0776cd4d1d0d5174867596d5.exe"
1⤵
- Adds autorun key to be loaded by Explorer.exe on startup
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1508
- C:\Windows\SysWOW64\Nlhgoqhh.exe
  C:\Windows\system32\Nlhgoqhh.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2704
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2704 -s 140
    3⤵
    - Loads dropped DLL
    - Program crash
    PID:2728

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\Nlhgoqhh.exe

Filesize
55KB

MD5
b781430d713e9536a746539bd3f74f68

SHA1
d724605db3a0d49c80bc6062597a1649906d0b1d

SHA256
2c6f3543df830bee17a3e19c8e478c4034d6f62044eec18ccf0ef92e1c8e3638

SHA512
a053f923efd463d2d0db8b22a2aa0fbfdd8d868ee78ee6a7bf1e3aeee332a5e1545e2f781c30ef1858a530850fbf4285f6fad1ca8e5dfff7844db882ac60f285

Download Submit
memory/1508-0-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1508-13-0x00000000001E0000-0x000000000020F000-memory.dmp

Filesize
188KB

Download
memory/1508-7-0x00000000001E0000-0x000000000020F000-memory.dmp

Filesize
188KB

Download
memory/1508-20-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2704-21-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads