berbew | 9268b6e58529b4f436530ee8fcddb8b58e477e7210e6cb2f716d548675fd51bd

General

Target
9268b6e58529b4f436530ee8fcddb8b58e477e7210e6cb2f716d548675fd51bd.exe
Size 74KB
Sample260826-sdj8rs1dkd
SHA256 9268b6e58529b4f436530ee8fcddb8b58e477e7210e6cb2f716d548675fd51bd
MD5 21126a71bb24ba5152ab4d5ac411297b
SHA1 6e678d4117206e6ef7a0a9ca4fbc430931cace06
SHA512 43e1db0473f09979e0106f7cb59ab8ad80513eb7ea081314a049f4a9eeb212bfd1bd05a722b3d3f758aceaed7533bf5d33d5e85477551906f7351b39f09c64aa
SSDEEP 1536:QccYH/Gnc+hmlJQeWT02Lvah6S2GjEDWIiu5JZ:8Yt7QeWTNvaht2GoDdb5JZ
TLSH
T1B2734A7B61A04FB2C544097121FA1FF2E17A41B612BEDD0BE3D4C169A23BA85D53F788
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

backdoor discovery berbew persistence

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
http://kadet.ru/index.htm
http://cvv.ru/index.htm
http://crutop.nu/index.htm
http://crutop.ru/index.htm
http://mazafaka.ru/index.htm
http://xware.cjb.net/index.htm
http://konfiskat.org/index.htm
http://parex-bank.ru/index.htm
http://kidos-bank.ru/index.htm
http://kavkaz.ru/index.htm
http://fethard.biz/index.htm

Signatures

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

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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\Web Event Logger = "{79FEACFF-FFCE-815E-A900-316290B5B738}"	9268b6e58529b4f436530ee8fcddb8b58e477e7210e6cb2f716d548675fd51bd.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad	9268b6e58529b4f436530ee8fcddb8b58e477e7210e6cb2f716d548675fd51bd.exe

Executes dropped EXE 1 IoCs

pid	Process
4088	Cponen32.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Cponen32.exe	9268b6e58529b4f436530ee8fcddb8b58e477e7210e6cb2f716d548675fd51bd.exe
File opened for modification	C:\Windows\SysWOW64\Cponen32.exe	9268b6e58529b4f436530ee8fcddb8b58e477e7210e6cb2f716d548675fd51bd.exe
File created	C:\Windows\SysWOW64\Olaafabl.dll	9268b6e58529b4f436530ee8fcddb8b58e477e7210e6cb2f716d548675fd51bd.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
864	4088	WerFault.exe	85

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	9268b6e58529b4f436530ee8fcddb8b58e477e7210e6cb2f716d548675fd51bd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Cponen32.exe

Modifies registry class 6 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32\ = "C:\\Windows\\SysWow64\\Olaafabl.dll"	9268b6e58529b4f436530ee8fcddb8b58e477e7210e6cb2f716d548675fd51bd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32\ThreadingModel = "Apartment"	9268b6e58529b4f436530ee8fcddb8b58e477e7210e6cb2f716d548675fd51bd.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32	9268b6e58529b4f436530ee8fcddb8b58e477e7210e6cb2f716d548675fd51bd.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	9268b6e58529b4f436530ee8fcddb8b58e477e7210e6cb2f716d548675fd51bd.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	9268b6e58529b4f436530ee8fcddb8b58e477e7210e6cb2f716d548675fd51bd.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}	9268b6e58529b4f436530ee8fcddb8b58e477e7210e6cb2f716d548675fd51bd.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 5084 wrote to memory of 4088	5084	9268b6e58529b4f436530ee8fcddb8b58e477e7210e6cb2f716d548675fd51bd.exe	85

C:\Users\Admin\AppData\Local\Temp\9268b6e58529b4f436530ee8fcddb8b58e477e7210e6cb2f716d548675fd51bd.exe
"C:\Users\Admin\AppData\Local\Temp\9268b6e58529b4f436530ee8fcddb8b58e477e7210e6cb2f716d548675fd51bd.exe"
1⤵
- Adds autorun key to be loaded by Explorer.exe on startup
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:5084
- C:\Windows\SysWOW64\Cponen32.exe
  C:\Windows\system32\Cponen32.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4088
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4088 -s 400
    3⤵
    - Program crash
    PID:864

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4088 -ip 4088
1⤵
PID:2896

Network

MITRE ATT&CK Enterprise v16

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

Cponen32.exe

Path C:\Windows\SysWOW64\Cponen32.exe
Size 74KB
SHA256 6ce0f6954925cd4899db0b374b9898e5ce6023f796f4e7f1da7794676954da4f
MD5 7a301a87a779adcf70c825cfe60f5710
SHA1 4933f6229175faf893baf59a3a2c4f1c20817f1f
SHA512 19eef60f49bed60978805bad2e028032c47bbddadb8e9aa97600ac5dd2561d91c356228ce9fb5c0af9b4a52742997e2fb7a4cc7042e0f19b0ccd5c2f6190711d
SSDEEP 1536:j7UWLDP9mp/Nz5M7ZGxn5ymOMXl1jnPCjwxg32Lqah6S2GjEDWIiu5JZ:jQWLDPqz5qGxn5t1VVn2wScqaht2GoDP
TLSH
T110736EDA62252FE3F6C603F9546F25A1E134106F096BC09D26ECCDC84BFFF568569A40
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/4088-9-0x0000000000400000-0x000000000043F000-memory.dmp

Download

memory/4088-10-0x0000000000400000-0x000000000043F000-memory.dmp

Download

memory/5084-0-0x0000000000400000-0x000000000043F000-memory.dmp

Download

memory/5084-1-0x0000000000431000-0x0000000000432000-memory.dmp

Download

memory/5084-11-0x0000000000400000-0x000000000043F000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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