berbew | 3255ec2b6d856322bfabbb3fa158d2f94be82cac5fbcf6a6bbfa44b7b82d8b32

General

Target
3255ec2b6d856322bfabbb3fa158d2f94be82cac5fbcf6a6bbfa44b7b82d8b32.exe
Size 80KB
Sample260910-ple28sbr2z
SHA256 3255ec2b6d856322bfabbb3fa158d2f94be82cac5fbcf6a6bbfa44b7b82d8b32
MD5 ec40de89bd0c640dfa147a331a57cdd0
SHA1 46f2fce4aa630255fe7f904e3db428f3da15bd3f
SHA512 2e73fa3e061ee205fd50c05212f746258ab40c4f304a7bc64529e797d747c084b626ea01efe6b759c0a047903710dc182e10aade85c539aed6a9bf201b616cad
SSDEEP 1536:U7pNeATl70HJeVYPwR1UC5YMkhohBE8VGh:CeQCeVYPwR11UAEQGh
TLSH
T12D833A3BB18017F2C692477232AA5EF2F63A8170137DD945E3A0C07D5167999E63B3C9
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	3255ec2b6d856322bfabbb3fa158d2f94be82cac5fbcf6a6bbfa44b7b82d8b32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\Web Event Logger = "{79FEACFF-FFCE-815E-A900-316290B5B738}"	3255ec2b6d856322bfabbb3fa158d2f94be82cac5fbcf6a6bbfa44b7b82d8b32.exe

Executes dropped EXE 1 IoCs

pid	Process
4680	Jlkafdco.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Jlkafdco.exe	3255ec2b6d856322bfabbb3fa158d2f94be82cac5fbcf6a6bbfa44b7b82d8b32.exe
File opened for modification	C:\Windows\SysWOW64\Jlkafdco.exe	3255ec2b6d856322bfabbb3fa158d2f94be82cac5fbcf6a6bbfa44b7b82d8b32.exe
File created	C:\Windows\SysWOW64\Dcmnee32.dll	3255ec2b6d856322bfabbb3fa158d2f94be82cac5fbcf6a6bbfa44b7b82d8b32.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1808	4680	WerFault.exe	86

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	3255ec2b6d856322bfabbb3fa158d2f94be82cac5fbcf6a6bbfa44b7b82d8b32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Jlkafdco.exe

Modifies registry class 6 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32	3255ec2b6d856322bfabbb3fa158d2f94be82cac5fbcf6a6bbfa44b7b82d8b32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	3255ec2b6d856322bfabbb3fa158d2f94be82cac5fbcf6a6bbfa44b7b82d8b32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	3255ec2b6d856322bfabbb3fa158d2f94be82cac5fbcf6a6bbfa44b7b82d8b32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}	3255ec2b6d856322bfabbb3fa158d2f94be82cac5fbcf6a6bbfa44b7b82d8b32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32\ = "C:\\Windows\\SysWow64\\Dcmnee32.dll"	3255ec2b6d856322bfabbb3fa158d2f94be82cac5fbcf6a6bbfa44b7b82d8b32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32\ThreadingModel = "Apartment"	3255ec2b6d856322bfabbb3fa158d2f94be82cac5fbcf6a6bbfa44b7b82d8b32.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4836 wrote to memory of 4680	4836	3255ec2b6d856322bfabbb3fa158d2f94be82cac5fbcf6a6bbfa44b7b82d8b32.exe	86

C:\Users\Admin\AppData\Local\Temp\3255ec2b6d856322bfabbb3fa158d2f94be82cac5fbcf6a6bbfa44b7b82d8b32.exe
"C:\Users\Admin\AppData\Local\Temp\3255ec2b6d856322bfabbb3fa158d2f94be82cac5fbcf6a6bbfa44b7b82d8b32.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:4836
- C:\Windows\SysWOW64\Jlkafdco.exe
  C:\Windows\system32\Jlkafdco.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4680
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4680 -s 400
    3⤵
    - Program crash
    PID:1808

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4680 -ip 4680
1⤵
PID:5480

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

Jlkafdco.exe

Path C:\Windows\SysWOW64\Jlkafdco.exe
Size 80KB
SHA256 a23528e4e4133f84e71a8865fba429779c3a35dc78c187b3abf8b0f9bd8720f7
MD5 b1bdd238a03051a51082d53c6abf128f
SHA1 3aa2c24231804132735447feecbcbbc6a56a0c89
SHA512 4ee3581901ae42eb65246867e71e9dfbccb1ca9109b923d3032fb5fb20cb7c0d965e4aa32af3a7691c667e49a5758df32f4e1c436e554380a94a1d244d2f2e92
SSDEEP 1536:ggJ6XUTufOvRxOxyEXu8NegYW5YMkhohBE8VGh:ggJnKGvRxaycuTgYiUAEQGh
TLSH
T1A483491AF6852BB2CBD30D77335A7AD7F31D9438136692C22165C12D2322DF6613EB92
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/4680-8-0x0000000000400000-0x000000000043E000-memory.dmp

Download

memory/4680-10-0x0000000000400000-0x000000000043E000-memory.dmp

Download

memory/4836-0-0x0000000000400000-0x000000000043E000-memory.dmp

Download

memory/4836-9-0x0000000000400000-0x000000000043E000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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