berbew | 489d8621c3e82fad1da28038214b2a9b319c5de1109603d7eae8ec277a1f3131

General

Target
489d8621c3e82fad1da28038214b2a9b319c5de1109603d7eae8ec277a1f3131.exe
Size 92KB
Sample260910-tzm28asdpf
SHA256 489d8621c3e82fad1da28038214b2a9b319c5de1109603d7eae8ec277a1f3131
MD5 a8115c608d91f82553b85693d653c060
SHA1 ab8b5be993569a41501b278a704bd350b3ec1622
SHA512 ee7172b32665bbdae91f453f1311abc6f6148bbd7f28159104fc366916e491e80f947c64aeff1d371dedc5b7903d3ddac787bee31daad5244dff2692841beb5a
SSDEEP 1536:ZsASwKScoNSLDomThYXa7pZ9rQJiOYbnRqdMArSWG7:ZBSwx8HomThYXaprxdbMqlWG7
TLSH
T131938C7B2850AFA1C548483111FE1FB2D67641B5427EED0BD390C3A4B27B99AD53EB8C
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
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad	489d8621c3e82fad1da28038214b2a9b319c5de1109603d7eae8ec277a1f3131.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\Web Event Logger = "{79FEACFF-FFCE-815E-A900-316290B5B738}"	489d8621c3e82fad1da28038214b2a9b319c5de1109603d7eae8ec277a1f3131.exe

Executes dropped EXE 1 IoCs

pid	Process
5084	Cbpajgmf.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Cbpajgmf.exe	489d8621c3e82fad1da28038214b2a9b319c5de1109603d7eae8ec277a1f3131.exe
File opened for modification	C:\Windows\SysWOW64\Cbpajgmf.exe	489d8621c3e82fad1da28038214b2a9b319c5de1109603d7eae8ec277a1f3131.exe
File created	C:\Windows\SysWOW64\Ineedcfb.dll	489d8621c3e82fad1da28038214b2a9b319c5de1109603d7eae8ec277a1f3131.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5620	5084	WerFault.exe	87

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	489d8621c3e82fad1da28038214b2a9b319c5de1109603d7eae8ec277a1f3131.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Cbpajgmf.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\\Ineedcfb.dll"	489d8621c3e82fad1da28038214b2a9b319c5de1109603d7eae8ec277a1f3131.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32\ThreadingModel = "Apartment"	489d8621c3e82fad1da28038214b2a9b319c5de1109603d7eae8ec277a1f3131.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32	489d8621c3e82fad1da28038214b2a9b319c5de1109603d7eae8ec277a1f3131.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	489d8621c3e82fad1da28038214b2a9b319c5de1109603d7eae8ec277a1f3131.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	489d8621c3e82fad1da28038214b2a9b319c5de1109603d7eae8ec277a1f3131.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}	489d8621c3e82fad1da28038214b2a9b319c5de1109603d7eae8ec277a1f3131.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4716 wrote to memory of 5084	4716	489d8621c3e82fad1da28038214b2a9b319c5de1109603d7eae8ec277a1f3131.exe	87

C:\Users\Admin\AppData\Local\Temp\489d8621c3e82fad1da28038214b2a9b319c5de1109603d7eae8ec277a1f3131.exe
"C:\Users\Admin\AppData\Local\Temp\489d8621c3e82fad1da28038214b2a9b319c5de1109603d7eae8ec277a1f3131.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:4716
- C:\Windows\SysWOW64\Cbpajgmf.exe
  C:\Windows\system32\Cbpajgmf.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:5084
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5084 -s 400
    3⤵
    - Program crash
    PID:5620

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5084 -ip 5084
1⤵
PID:5728

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

Cbpajgmf.exe

Path C:\Windows\SysWOW64\Cbpajgmf.exe
Size 92KB
SHA256 14f79c9cfa485d80924f4cf1a3ff2bb05263b7530a1ef7f0091be17ccde42d4d
MD5 d4065b439759ba35c1250dd2f2b7d63a
SHA1 662484f267bc437096bbc5daad2985399f23c059
SHA512 33abeddb0240061ea65dfaff522d6f516377de8b1e89928b8113acfbc24c3ea7ce76a65573deae798b538d4b5ccd425f7963b94d686c2085e1dbf6c341c5aa5d
SSDEEP 1536:Fopvnuw1NeaT3PUd1NUbfbbFFF7JB05AYXa7pZ9rQJiOYbnRqdMArSWG7:aJlNeQ3PUTNUbfbbFFF7JB05AYXaprxl
TLSH
T11993BF97A0244FE3D91F0530227FBBC9E6E190F681AACB4626F4C78C5677218C1ADA47
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/4716-0-0x0000000000400000-0x000000000043E000-memory.dmp

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memory/4716-5-0x0000000000431000-0x0000000000432000-memory.dmp

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memory/4716-11-0x0000000000400000-0x000000000043E000-memory.dmp

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memory/5084-9-0x0000000000400000-0x000000000043E000-memory.dmp

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memory/5084-10-0x0000000000400000-0x000000000043E000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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