berbew | 575ff4e7d08e25de1d189c7f26971ae2c63e9f9cf28904d0894573a6cf800afb

General

Target

575ff4e7d08e25de1d189c7f26971ae2c63e9f9cf28904d0894573a6cf800afb.exe
Size

96KB
MD5

aeb7cfab0ba913b70368dbd0f19b7475
SHA1

c011fa4d0cacbc96aea6392ae875e0ce9c623cae
SHA256

575ff4e7d08e25de1d189c7f26971ae2c63e9f9cf28904d0894573a6cf800afb
SHA512

5751b6b9fd500e1d7dbd348e65f4924ba48dbedd737de5487edd61d2119e52b20bb4cd9eec7665959d71477fe9fdaf2d245d6f222fdb44a99c4fcb502cb636f4
SSDEEP

1536:jsrfk/JNAKYy4b+bs0/OiYEAjA+GUpoIR1JYUJZc92LLG7RZObZUUWaegPYA:jlJNbYyBLAjA+GUpFxCClUUWae

Score

10^/10

berbew backdoor discovery 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

Signatures

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}"	575ff4e7d08e25de1d189c7f26971ae2c63e9f9cf28904d0894573a6cf800afb.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad	575ff4e7d08e25de1d189c7f26971ae2c63e9f9cf28904d0894573a6cf800afb.exe

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

Executes dropped EXE 1 IoCs

pid	Process
2288	Cacacg32.exe

Loads dropped DLL 6 IoCs

pid	Process
2792	575ff4e7d08e25de1d189c7f26971ae2c63e9f9cf28904d0894573a6cf800afb.exe
2792	575ff4e7d08e25de1d189c7f26971ae2c63e9f9cf28904d0894573a6cf800afb.exe
2800	WerFault.exe
2800	WerFault.exe
2800	WerFault.exe
2800	WerFault.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Cacacg32.exe	575ff4e7d08e25de1d189c7f26971ae2c63e9f9cf28904d0894573a6cf800afb.exe
File created	C:\Windows\SysWOW64\Fdlpjk32.dll	575ff4e7d08e25de1d189c7f26971ae2c63e9f9cf28904d0894573a6cf800afb.exe
File created	C:\Windows\SysWOW64\Cacacg32.exe	575ff4e7d08e25de1d189c7f26971ae2c63e9f9cf28904d0894573a6cf800afb.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2800	2288	WerFault.exe	30

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	575ff4e7d08e25de1d189c7f26971ae2c63e9f9cf28904d0894573a6cf800afb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Cacacg32.exe

Modifies registry class 6 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID	575ff4e7d08e25de1d189c7f26971ae2c63e9f9cf28904d0894573a6cf800afb.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}	575ff4e7d08e25de1d189c7f26971ae2c63e9f9cf28904d0894573a6cf800afb.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32\ = "C:\\Windows\\SysWow64\\Fdlpjk32.dll"	575ff4e7d08e25de1d189c7f26971ae2c63e9f9cf28904d0894573a6cf800afb.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32\ThreadingModel = "Apartment"	575ff4e7d08e25de1d189c7f26971ae2c63e9f9cf28904d0894573a6cf800afb.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32	575ff4e7d08e25de1d189c7f26971ae2c63e9f9cf28904d0894573a6cf800afb.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node	575ff4e7d08e25de1d189c7f26971ae2c63e9f9cf28904d0894573a6cf800afb.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2792 wrote to memory of 2288	2792	575ff4e7d08e25de1d189c7f26971ae2c63e9f9cf28904d0894573a6cf800afb.exe	30
PID 2792 wrote to memory of 2288	2792	575ff4e7d08e25de1d189c7f26971ae2c63e9f9cf28904d0894573a6cf800afb.exe	30
PID 2792 wrote to memory of 2288	2792	575ff4e7d08e25de1d189c7f26971ae2c63e9f9cf28904d0894573a6cf800afb.exe	30
PID 2792 wrote to memory of 2288	2792	575ff4e7d08e25de1d189c7f26971ae2c63e9f9cf28904d0894573a6cf800afb.exe	30
PID 2288 wrote to memory of 2800	2288	Cacacg32.exe	31
PID 2288 wrote to memory of 2800	2288	Cacacg32.exe	31
PID 2288 wrote to memory of 2800	2288	Cacacg32.exe	31
PID 2288 wrote to memory of 2800	2288	Cacacg32.exe	31

C:\Users\Admin\AppData\Local\Temp\575ff4e7d08e25de1d189c7f26971ae2c63e9f9cf28904d0894573a6cf800afb.exe
"C:\Users\Admin\AppData\Local\Temp\575ff4e7d08e25de1d189c7f26971ae2c63e9f9cf28904d0894573a6cf800afb.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:2792
- C:\Windows\SysWOW64\Cacacg32.exe
  C:\Windows\system32\Cacacg32.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2288
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2288 -s 140
    3⤵
    - Loads dropped DLL
    - Program crash
    PID:2800

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\Cacacg32.exe

Filesize
96KB

MD5
a4517d32fdc3817d954fc678f600eee3

SHA1
c46baa7709735c05d0d687e0f30989a2429c6a5f

SHA256
36c6f7cd20866b9e3757ba222edffad7387864735295110e4071bb96ab27a75b

SHA512
bb9bc51eff85ef40a2819ff01a8b870aefb8506f2f548c22cccd411b9c5e083f74867efe55411a280087974021b33fe3d97781d8573a92cba314038eb830d0a2

Download Submit
memory/2288-14-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/2792-0-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/2792-12-0x0000000000290000-0x00000000002C3000-memory.dmp

Filesize
204KB

Download
memory/2792-13-0x0000000000290000-0x00000000002C3000-memory.dmp

Filesize
204KB

Download
memory/2792-21-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads