berbew | 2ea01f698fec762266a203be338a500da4be210522487fa725edd055b7135e9e

General

Target

2ea01f698fec762266a203be338a500da4be210522487fa725edd055b7135e9eN.exe
Size

96KB
MD5

b5a0edbb1dbf63ace6087985f676c010
SHA1

a6a3e3413fe891b084c43b12dc57576febc9b648
SHA256

2ea01f698fec762266a203be338a500da4be210522487fa725edd055b7135e9e
SHA512

d1e915cf5d05945fae1d875557de2f747df482934f435efb4e86a3c1048ca0f38a41ae060b2245991526eb7ca6793ccca02de922e06d7dd2680f6ad1c8bfec04
SSDEEP

1536:dmA6dgGQVlOTofS0pgI3znJpiYp4B5FIDgIZE7H8uZn9tE98rktaAjWbjtKBvU:dmA6dmlOfJI3znr4hIkxn8IktVwtCU

Score

10^/10

berbew backdoor discovery persistence

Malware Config

Signatures

Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 8 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	Nodgel32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\Web Event Logger = "{79FAA099-1BAE-816E-D711-115290CEE717}"	Nodgel32.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad	Ngkogj32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\Web Event Logger = "{79FAA099-1BAE-816E-D711-115290CEE717}"	Ngkogj32.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad	Nhllob32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\Web Event Logger = "{79FAA099-1BAE-816E-D711-115290CEE717}"	Nhllob32.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad	2ea01f698fec762266a203be338a500da4be210522487fa725edd055b7135e9eN.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\Web Event Logger = "{79FAA099-1BAE-816E-D711-115290CEE717}"	2ea01f698fec762266a203be338a500da4be210522487fa725edd055b7135e9eN.exe

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

Executes dropped EXE 4 IoCs

pid	Process
2784	Nodgel32.exe
2928	Ngkogj32.exe
2600	Nhllob32.exe
2576	Nlhgoqhh.exe

Loads dropped DLL 12 IoCs

pid	Process
2160	2ea01f698fec762266a203be338a500da4be210522487fa725edd055b7135e9eN.exe
2160	2ea01f698fec762266a203be338a500da4be210522487fa725edd055b7135e9eN.exe
2784	Nodgel32.exe
2784	Nodgel32.exe
2928	Ngkogj32.exe
2928	Ngkogj32.exe
2600	Nhllob32.exe
2600	Nhllob32.exe
2696	WerFault.exe
2696	WerFault.exe
2696	WerFault.exe
2696	WerFault.exe

Drops file in System32 directory 12 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Nlhgoqhh.exe	Nhllob32.exe
File created	C:\Windows\SysWOW64\Lamajm32.dll	Nhllob32.exe
File opened for modification	C:\Windows\SysWOW64\Ngkogj32.exe	Nodgel32.exe
File created	C:\Windows\SysWOW64\Nhllob32.exe	Ngkogj32.exe
File opened for modification	C:\Windows\SysWOW64\Nhllob32.exe	Ngkogj32.exe
File created	C:\Windows\SysWOW64\Fhhiii32.dll	Ngkogj32.exe
File created	C:\Windows\SysWOW64\Kklcab32.dll	Nodgel32.exe
File created	C:\Windows\SysWOW64\Nlhgoqhh.exe	Nhllob32.exe
File created	C:\Windows\SysWOW64\Nodgel32.exe	2ea01f698fec762266a203be338a500da4be210522487fa725edd055b7135e9eN.exe
File opened for modification	C:\Windows\SysWOW64\Nodgel32.exe	2ea01f698fec762266a203be338a500da4be210522487fa725edd055b7135e9eN.exe
File created	C:\Windows\SysWOW64\Cnjgia32.dll	2ea01f698fec762266a203be338a500da4be210522487fa725edd055b7135e9eN.exe
File created	C:\Windows\SysWOW64\Ngkogj32.exe	Nodgel32.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2696	2576	WerFault.exe	33

System Location Discovery: System Language Discovery 1 TTPs 5 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	Ngkogj32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Nhllob32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Nlhgoqhh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2ea01f698fec762266a203be338a500da4be210522487fa725edd055b7135e9eN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Nodgel32.exe

Modifies registry class 15 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{79FAA099-1BAE-816E-D711-115290CEE717}\InProcServer32	Ngkogj32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{79FAA099-1BAE-816E-D711-115290CEE717}\InProcServer32	2ea01f698fec762266a203be338a500da4be210522487fa725edd055b7135e9eN.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node	2ea01f698fec762266a203be338a500da4be210522487fa725edd055b7135e9eN.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{79FAA099-1BAE-816E-D711-115290CEE717}\InProcServer32	Nodgel32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{79FAA099-1BAE-816E-D711-115290CEE717}\InProcServer32\ThreadingModel = "Apartment"	Ngkogj32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID	2ea01f698fec762266a203be338a500da4be210522487fa725edd055b7135e9eN.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{79FAA099-1BAE-816E-D711-115290CEE717}\InProcServer32\ThreadingModel = "Apartment"	2ea01f698fec762266a203be338a500da4be210522487fa725edd055b7135e9eN.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{79FAA099-1BAE-816E-D711-115290CEE717}\InProcServer32\ = "C:\\Windows\\SysWow64\\Lamajm32.dll"	Nhllob32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{79FAA099-1BAE-816E-D711-115290CEE717}\InProcServer32\ = "C:\\Windows\\SysWow64\\Cnjgia32.dll"	2ea01f698fec762266a203be338a500da4be210522487fa725edd055b7135e9eN.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{79FAA099-1BAE-816E-D711-115290CEE717}\InProcServer32\ = "C:\\Windows\\SysWow64\\Kklcab32.dll"	Nodgel32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{79FAA099-1BAE-816E-D711-115290CEE717}\InProcServer32\ = "C:\\Windows\\SysWow64\\Fhhiii32.dll"	Ngkogj32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{79FAA099-1BAE-816E-D711-115290CEE717}\InProcServer32	Nhllob32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{79FAA099-1BAE-816E-D711-115290CEE717}\InProcServer32\ThreadingModel = "Apartment"	Nhllob32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{79FAA099-1BAE-816E-D711-115290CEE717}	2ea01f698fec762266a203be338a500da4be210522487fa725edd055b7135e9eN.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{79FAA099-1BAE-816E-D711-115290CEE717}\InProcServer32\ThreadingModel = "Apartment"	Nodgel32.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2160 wrote to memory of 2784	2160	2ea01f698fec762266a203be338a500da4be210522487fa725edd055b7135e9eN.exe	30
PID 2160 wrote to memory of 2784	2160	2ea01f698fec762266a203be338a500da4be210522487fa725edd055b7135e9eN.exe	30
PID 2160 wrote to memory of 2784	2160	2ea01f698fec762266a203be338a500da4be210522487fa725edd055b7135e9eN.exe	30
PID 2160 wrote to memory of 2784	2160	2ea01f698fec762266a203be338a500da4be210522487fa725edd055b7135e9eN.exe	30
PID 2784 wrote to memory of 2928	2784	Nodgel32.exe	31
PID 2784 wrote to memory of 2928	2784	Nodgel32.exe	31
PID 2784 wrote to memory of 2928	2784	Nodgel32.exe	31
PID 2784 wrote to memory of 2928	2784	Nodgel32.exe	31
PID 2928 wrote to memory of 2600	2928	Ngkogj32.exe	32
PID 2928 wrote to memory of 2600	2928	Ngkogj32.exe	32
PID 2928 wrote to memory of 2600	2928	Ngkogj32.exe	32
PID 2928 wrote to memory of 2600	2928	Ngkogj32.exe	32
PID 2600 wrote to memory of 2576	2600	Nhllob32.exe	33
PID 2600 wrote to memory of 2576	2600	Nhllob32.exe	33
PID 2600 wrote to memory of 2576	2600	Nhllob32.exe	33
PID 2600 wrote to memory of 2576	2600	Nhllob32.exe	33
PID 2576 wrote to memory of 2696	2576	Nlhgoqhh.exe	34
PID 2576 wrote to memory of 2696	2576	Nlhgoqhh.exe	34
PID 2576 wrote to memory of 2696	2576	Nlhgoqhh.exe	34
PID 2576 wrote to memory of 2696	2576	Nlhgoqhh.exe	34

C:\Users\Admin\AppData\Local\Temp\2ea01f698fec762266a203be338a500da4be210522487fa725edd055b7135e9eN.exe
"C:\Users\Admin\AppData\Local\Temp\2ea01f698fec762266a203be338a500da4be210522487fa725edd055b7135e9eN.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:2160
- C:\Windows\SysWOW64\Nodgel32.exe
  C:\Windows\system32\Nodgel32.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:2784
- - C:\Windows\SysWOW64\Ngkogj32.exe
    C:\Windows\system32\Ngkogj32.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:2928
  - - C:\Windows\SysWOW64\Nhllob32.exe
      C:\Windows\system32\Nhllob32.exe
      4⤵
      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:2600
    - - C:\Windows\SysWOW64\Nlhgoqhh.exe
        
        C:\Windows\system32\Nlhgoqhh.exe
        5⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:2576
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2576 -s 140
        6⤵
        Loads dropped DLL
        Program crash
        
        PID:2696

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\Nhllob32.exe

Filesize
96KB

MD5
452dfa1ab0399980a816a473a2ab94f4

SHA1
9ce07a0b1114277e940f57a6f218b4171cdb5dcb

SHA256
3de95b923fa0852177301cde2931ec2ad7a8639a68eda212f077da0614185f82

SHA512
f8e14feb6efd10e4bc5cc810d5b07ff45ed9bd73ca58b32f1fe2f4db43fa8cdb164a87ef3b4f5bda41ed69c67ddc5d66fd289ea5145f8152e48725fbb22ac344

Download Submit
\Windows\SysWOW64\Ngkogj32.exe

Filesize
96KB

MD5
347e967e19ac478bff707db29d82c5fc

SHA1
15376cb2d810089af90597174c127c169276dca7

SHA256
c1b3ab9afeb2ebc3d0ad9947b61faf6ff89c67fbf94523d08df1c17484919e85

SHA512
86c09691b70b95754f90ad470dc7ba6e2c6d5af05365001bbe9476ae3e5ff65a2f27613d6b58895ca2b09c630a2b610079c0f05037a31d44f6b5fc36216e39c8

Download Submit
\Windows\SysWOW64\Nlhgoqhh.exe

Filesize
96KB

MD5
bc57e5d62174b4529d275556b6f3fb69

SHA1
f43a397678524375161c23d1390dc182d0d61fa5

SHA256
aa8e7d10a909bf0877f1246ba49b9c8ec437f03c9466bc0c8637501d1ba2f617

SHA512
580f0a1efec2d877437fd5cb6d394d5368d9ed32f71a182c973064161ee314ba911ba069229ccfc6632a0cfbb1b5209cfaa1ca451327313d95e57782a17fc2da

Download Submit
\Windows\SysWOW64\Nodgel32.exe

Filesize
96KB

MD5
c7487e4c4f82140b18b68a56dd51c28e

SHA1
54add18309829bdb0c21daf26c12888b05fddab2

SHA256
c1ad406258a74961ae4f12146a148e57f05d1bc192267d46af5f2237ad979f0d

SHA512
853442756175b06c908abc20ced7faacd52f705c85c7441f96b7b317f903b4db33f6253112395b38bcea1fcbd145cd82df6daee88591257c033f6da03e00f45f

Download Submit
memory/2160-12-0x0000000000250000-0x000000000028F000-memory.dmp

Filesize
252KB

Download
memory/2160-11-0x0000000000250000-0x000000000028F000-memory.dmp

Filesize
252KB

Download
memory/2160-3-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/2160-54-0x0000000000250000-0x000000000028F000-memory.dmp

Filesize
252KB

Download
memory/2160-48-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/2576-55-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/2576-61-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/2600-45-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/2784-14-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/2784-60-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/2928-32-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads