berbew | 5406775abbbbe4a4a71bbf75eaa7cae72e5f079d1f122338e197e89437a2e7ae

General

Target

5406775abbbbe4a4a71bbf75eaa7cae72e5f079d1f122338e197e89437a2e7ae.exe
Size

93KB
MD5

cd19904657e06b4f5c59de73f20ee023
SHA1

bb309cdd3654697096978aad9a44db7d9dbeb437
SHA256

5406775abbbbe4a4a71bbf75eaa7cae72e5f079d1f122338e197e89437a2e7ae
SHA512

ab7d7d8b693d3825bad9b91265bab77d4208a7fdd03d0a61235873b8bae9116ba6608d328fbee781696c31628d3522452be1976f8a21080bb9edee1381da5e62
SSDEEP

1536:qoSatjAX+UPNs4vRZHERrG51DaYfMZRWuLsV+1R:qoSgjAXzHERragYfc0DV+1R

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 6 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\Web Event Logger = "{79FEACFF-FFCE-815E-A900-316290B5B738}"	5406775abbbbe4a4a71bbf75eaa7cae72e5f079d1f122338e197e89437a2e7ae.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad	Kbhbai32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\Web Event Logger = "{79FEACFF-FFCE-815E-A900-316290B5B738}"	Kbhbai32.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad	Kkojbf32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\Web Event Logger = "{79FEACFF-FFCE-815E-A900-316290B5B738}"	Kkojbf32.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad	5406775abbbbe4a4a71bbf75eaa7cae72e5f079d1f122338e197e89437a2e7ae.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 3 IoCs

pid	Process
2132	Kbhbai32.exe
2672	Kkojbf32.exe
2884	Lbjofi32.exe

Loads dropped DLL 11 IoCs

pid	Process
2212	5406775abbbbe4a4a71bbf75eaa7cae72e5f079d1f122338e197e89437a2e7ae.exe
2212	5406775abbbbe4a4a71bbf75eaa7cae72e5f079d1f122338e197e89437a2e7ae.exe
2132	Kbhbai32.exe
2132	Kbhbai32.exe
2672	Kkojbf32.exe
2672	Kkojbf32.exe
2724	WerFault.exe
2724	WerFault.exe
2724	WerFault.exe
2724	WerFault.exe
2724	WerFault.exe

Drops file in System32 directory 9 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Gffdobll.dll	Kbhbai32.exe
File created	C:\Windows\SysWOW64\Lbjofi32.exe	Kkojbf32.exe
File created	C:\Windows\SysWOW64\Ipafocdg.dll	Kkojbf32.exe
File created	C:\Windows\SysWOW64\Kbhbai32.exe	5406775abbbbe4a4a71bbf75eaa7cae72e5f079d1f122338e197e89437a2e7ae.exe
File created	C:\Windows\SysWOW64\Bndneq32.dll	5406775abbbbe4a4a71bbf75eaa7cae72e5f079d1f122338e197e89437a2e7ae.exe
File opened for modification	C:\Windows\SysWOW64\Kkojbf32.exe	Kbhbai32.exe
File opened for modification	C:\Windows\SysWOW64\Lbjofi32.exe	Kkojbf32.exe
File opened for modification	C:\Windows\SysWOW64\Kbhbai32.exe	5406775abbbbe4a4a71bbf75eaa7cae72e5f079d1f122338e197e89437a2e7ae.exe
File created	C:\Windows\SysWOW64\Kkojbf32.exe	Kbhbai32.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2724	2884	WerFault.exe	32

System Location Discovery: System Language Discovery 1 TTPs 4 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	5406775abbbbe4a4a71bbf75eaa7cae72e5f079d1f122338e197e89437a2e7ae.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Kbhbai32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Kkojbf32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Lbjofi32.exe

Modifies registry class 12 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node	5406775abbbbe4a4a71bbf75eaa7cae72e5f079d1f122338e197e89437a2e7ae.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID	5406775abbbbe4a4a71bbf75eaa7cae72e5f079d1f122338e197e89437a2e7ae.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}	5406775abbbbe4a4a71bbf75eaa7cae72e5f079d1f122338e197e89437a2e7ae.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32\ = "C:\\Windows\\SysWow64\\Bndneq32.dll"	5406775abbbbe4a4a71bbf75eaa7cae72e5f079d1f122338e197e89437a2e7ae.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32\ThreadingModel = "Apartment"	5406775abbbbe4a4a71bbf75eaa7cae72e5f079d1f122338e197e89437a2e7ae.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32\ThreadingModel = "Apartment"	Kkojbf32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32	5406775abbbbe4a4a71bbf75eaa7cae72e5f079d1f122338e197e89437a2e7ae.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32	Kbhbai32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32\ = "C:\\Windows\\SysWow64\\Gffdobll.dll"	Kbhbai32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32\ThreadingModel = "Apartment"	Kbhbai32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32	Kkojbf32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32\ = "C:\\Windows\\SysWow64\\Ipafocdg.dll"	Kkojbf32.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2212 wrote to memory of 2132	2212	5406775abbbbe4a4a71bbf75eaa7cae72e5f079d1f122338e197e89437a2e7ae.exe	30
PID 2212 wrote to memory of 2132	2212	5406775abbbbe4a4a71bbf75eaa7cae72e5f079d1f122338e197e89437a2e7ae.exe	30
PID 2212 wrote to memory of 2132	2212	5406775abbbbe4a4a71bbf75eaa7cae72e5f079d1f122338e197e89437a2e7ae.exe	30
PID 2212 wrote to memory of 2132	2212	5406775abbbbe4a4a71bbf75eaa7cae72e5f079d1f122338e197e89437a2e7ae.exe	30
PID 2132 wrote to memory of 2672	2132	Kbhbai32.exe	31
PID 2132 wrote to memory of 2672	2132	Kbhbai32.exe	31
PID 2132 wrote to memory of 2672	2132	Kbhbai32.exe	31
PID 2132 wrote to memory of 2672	2132	Kbhbai32.exe	31
PID 2672 wrote to memory of 2884	2672	Kkojbf32.exe	32
PID 2672 wrote to memory of 2884	2672	Kkojbf32.exe	32
PID 2672 wrote to memory of 2884	2672	Kkojbf32.exe	32
PID 2672 wrote to memory of 2884	2672	Kkojbf32.exe	32
PID 2884 wrote to memory of 2724	2884	Lbjofi32.exe	33
PID 2884 wrote to memory of 2724	2884	Lbjofi32.exe	33
PID 2884 wrote to memory of 2724	2884	Lbjofi32.exe	33
PID 2884 wrote to memory of 2724	2884	Lbjofi32.exe	33

C:\Users\Admin\AppData\Local\Temp\5406775abbbbe4a4a71bbf75eaa7cae72e5f079d1f122338e197e89437a2e7ae.exe
"C:\Users\Admin\AppData\Local\Temp\5406775abbbbe4a4a71bbf75eaa7cae72e5f079d1f122338e197e89437a2e7ae.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:2212
- C:\Windows\SysWOW64\Kbhbai32.exe
  C:\Windows\system32\Kbhbai32.exe
  2⤵
  - Adds autorun key to be loaded by Explorer.exe on startup
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2132
- - C:\Windows\SysWOW64\Kkojbf32.exe
    C:\Windows\system32\Kkojbf32.exe
    3⤵
    - Adds autorun key to be loaded by Explorer.exe on startup
    - Executes dropped EXE
    - Loads dropped DLL
    - Drops file in System32 directory
    - System Location Discovery: System Language Discovery
    - Modifies registry class
    - Suspicious use of WriteProcessMemory
    PID:2672
  - - C:\Windows\SysWOW64\Lbjofi32.exe
      C:\Windows\system32\Lbjofi32.exe
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2884
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2884 -s 140
        5⤵
        Loads dropped DLL
        Program crash
        
        PID:2724

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\Kkojbf32.exe

Filesize
93KB

MD5
5437c7f0aa32149020ead067bf56be73

SHA1
4319c8c3ce8fd431afbafb3bd0ac4c4cb532f784

SHA256
c1a736525e9a0ee56b4f343481b1758d8f6c3a5dd349063d945937ce8131d228

SHA512
069e83f2d9876ab2b5bd09a611878e7e990d7c365edc65f8a870325984377dbd96d4d4f6780abbf99ea484332f7f83ee86407c507deef4ce84b247704a83d905

Download Submit
\Windows\SysWOW64\Kbhbai32.exe

Filesize
93KB

MD5
c0362824056b0d6c35078a28672fbd15

SHA1
90187a3d3cf6550fc86d2cedda6865a03001dfac

SHA256
f484adaf354367eba6d4042adea09e9382532b2771f96b09566d03ca5ebfba00

SHA512
66c677c2725447ebdc4fa6c851ffbd771300741632f1242ada4de0d63f1c2051d0135faac70953da918e3f9e55d4b02166c3515167339c6a35794ec43ac84018

Download Submit
\Windows\SysWOW64\Lbjofi32.exe

Filesize
93KB

MD5
043b3c25a8a853b19549d4ebc4493bf0

SHA1
1562d5a9d7bfd6a8b03a8bd4a970a11f9ad6fed1

SHA256
519e2d1e4ea7440c820360323df9fa26042a94dc65a05c210e967bda47b88327

SHA512
79ceb86720e647facc46c658210fc2f51d7cef8ab8efb19647160268ca79d29c65be53d0ec4dd99707a429f93103a88140f16ba7ed283d250b835b055ba48c88

Download Submit
memory/2132-19-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/2212-0-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/2212-12-0x0000000000250000-0x0000000000283000-memory.dmp

Filesize
204KB

Download
memory/2212-11-0x0000000000250000-0x0000000000283000-memory.dmp

Filesize
204KB

Download
memory/2212-52-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/2672-27-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/2672-48-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/2884-40-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/2884-51-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads