berbew | c5fffc28a6762cdfc2db6c584b38b6df0d4ee35aec844f604af8e7cb3b957d7f

General

Target

c5fffc28a6762cdfc2db6c584b38b6df0d4ee35aec844f604af8e7cb3b957d7f.exe
Size

93KB
MD5

e8e2f8a13ff30474f8e612ffa312da2e
SHA1

bc52e33a55130f5575bac647cb91b7796d4651c3
SHA256

c5fffc28a6762cdfc2db6c584b38b6df0d4ee35aec844f604af8e7cb3b957d7f
SHA512

d28ec7291b950c746896d2161b1dbc8b299adcbe871847833c7f7b453e4fbe5294c1cf8ea31a1360c52e83b76463ac2fb368dab8eb7be3f95b819c28ef0127cc
SSDEEP

1536:L/lOX5Wz++nkQFNQVwxR4jiUPrw4UA1DaYfMZRWuLsV+1L:zEXcxkUNZxR4jz5UAgYfc0DV+1L

Score

10^/10

berbew njrat backdoor discovery persistence trojan

Malware Config

Extracted

Family

berbew

C2

http://crutop.nu/index.php

http://crutop.ru/index.php

http://mazafaka.ru/index.php

http://color-bank.ru/index.php

http://asechka.ru/index.php

http://trojan.ru/index.php

http://fuck.ru/index.php

http://goldensand.ru/index.php

http://filesearch.ru/index.php

http://devx.nm.ru/index.php

http://ros-neftbank.ru/index.php

http://lovingod.host.sk/index.php

http://www.redline.ru/index.php

http://cvv.ru/index.php

http://hackers.lv/index.php

http://fethard.biz/index.php

http://ldark.nm.ru/index.htm

http://gaz-prom.ru/index.htm

http://promo.ru/index.htm

http://potleaf.chat.ru/index.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	c5fffc28a6762cdfc2db6c584b38b6df0d4ee35aec844f604af8e7cb3b957d7f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\Web Event Logger = "{79FEACFF-FFCE-815E-A900-316290B5B738}"	c5fffc28a6762cdfc2db6c584b38b6df0d4ee35aec844f604af8e7cb3b957d7f.exe

Berbew
Berbew is a backdoor written in C++.
backdoor berbew
Berbew family
berbew
Njrat family
njrat
njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat

Executes dropped EXE 1 IoCs

pid	Process
2804	Nlhgoqhh.exe

Loads dropped DLL 6 IoCs

pid	Process
2680	c5fffc28a6762cdfc2db6c584b38b6df0d4ee35aec844f604af8e7cb3b957d7f.exe
2680	c5fffc28a6762cdfc2db6c584b38b6df0d4ee35aec844f604af8e7cb3b957d7f.exe
2700	WerFault.exe
2700	WerFault.exe
2700	WerFault.exe
2700	WerFault.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Lamajm32.dll	c5fffc28a6762cdfc2db6c584b38b6df0d4ee35aec844f604af8e7cb3b957d7f.exe
File created	C:\Windows\SysWOW64\Nlhgoqhh.exe	c5fffc28a6762cdfc2db6c584b38b6df0d4ee35aec844f604af8e7cb3b957d7f.exe
File opened for modification	C:\Windows\SysWOW64\Nlhgoqhh.exe	c5fffc28a6762cdfc2db6c584b38b6df0d4ee35aec844f604af8e7cb3b957d7f.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2700	2804	WerFault.exe	30

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	c5fffc28a6762cdfc2db6c584b38b6df0d4ee35aec844f604af8e7cb3b957d7f.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	c5fffc28a6762cdfc2db6c584b38b6df0d4ee35aec844f604af8e7cb3b957d7f.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}	c5fffc28a6762cdfc2db6c584b38b6df0d4ee35aec844f604af8e7cb3b957d7f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32\ = "C:\\Windows\\SysWow64\\Lamajm32.dll"	c5fffc28a6762cdfc2db6c584b38b6df0d4ee35aec844f604af8e7cb3b957d7f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32\ThreadingModel = "Apartment"	c5fffc28a6762cdfc2db6c584b38b6df0d4ee35aec844f604af8e7cb3b957d7f.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32	c5fffc28a6762cdfc2db6c584b38b6df0d4ee35aec844f604af8e7cb3b957d7f.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node	c5fffc28a6762cdfc2db6c584b38b6df0d4ee35aec844f604af8e7cb3b957d7f.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2680 wrote to memory of 2804	2680	c5fffc28a6762cdfc2db6c584b38b6df0d4ee35aec844f604af8e7cb3b957d7f.exe	30
PID 2680 wrote to memory of 2804	2680	c5fffc28a6762cdfc2db6c584b38b6df0d4ee35aec844f604af8e7cb3b957d7f.exe	30
PID 2680 wrote to memory of 2804	2680	c5fffc28a6762cdfc2db6c584b38b6df0d4ee35aec844f604af8e7cb3b957d7f.exe	30
PID 2680 wrote to memory of 2804	2680	c5fffc28a6762cdfc2db6c584b38b6df0d4ee35aec844f604af8e7cb3b957d7f.exe	30
PID 2804 wrote to memory of 2700	2804	Nlhgoqhh.exe	31
PID 2804 wrote to memory of 2700	2804	Nlhgoqhh.exe	31
PID 2804 wrote to memory of 2700	2804	Nlhgoqhh.exe	31
PID 2804 wrote to memory of 2700	2804	Nlhgoqhh.exe	31

C:\Users\Admin\AppData\Local\Temp\c5fffc28a6762cdfc2db6c584b38b6df0d4ee35aec844f604af8e7cb3b957d7f.exe
"C:\Users\Admin\AppData\Local\Temp\c5fffc28a6762cdfc2db6c584b38b6df0d4ee35aec844f604af8e7cb3b957d7f.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:2680
- 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:2804
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2804 -s 140
    3⤵
    - Loads dropped DLL
    - Program crash
    PID:2700

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

\Windows\SysWOW64\Nlhgoqhh.exe

Filesize
93KB

MD5
92891f7404491e065dcad8841aac8664

SHA1
dcb408e754fb0ce341d97fb1b6259ef630fbfe48

SHA256
58867a3877d31e628519a0c0fa4cd450f618c6f4374212d9e0d9170aea01dada

SHA512
14e0bb6ead0c898c4b49dbd4bca13c19aecb610a133f6487048baffaeab2483b00f332235d216006deb942537c97d6abe1ab563e638814e89f1970b121d4dae8

Download Submit
memory/2680-0-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/2680-7-0x0000000000250000-0x0000000000283000-memory.dmp

Filesize
204KB

Download
memory/2680-20-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/2804-13-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads