berbew | 8927053a5184dd36313cb18b39780345280bc9ac6b071de3596d1bea58550152

General

Target

8927053a5184dd36313cb18b39780345280bc9ac6b071de3596d1bea58550152N.exe
Size

246KB
MD5

b75e9bbbd842e3e72681c0a856a89470
SHA1

b9926c5c6fbc516c4fa4df867abc4622b630ccf1
SHA256

8927053a5184dd36313cb18b39780345280bc9ac6b071de3596d1bea58550152
SHA512

6d772979a440c6cf56d15c224a641d45afef09b59b992a55620d7fcd363510dbe0197510b19bfbb0d1cb3ccfe54f2e3f45849f93e3fb78624ed3b2e7533b063d
SSDEEP

3072:dPNZIZFCI56e2B1xdLm102VZjuajDMyap9jCyFsWteYCWS3OF9HqoX:dVZOFqe2B1xBm102VQlterS9HrX

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
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad	8927053a5184dd36313cb18b39780345280bc9ac6b071de3596d1bea58550152N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\Web Event Logger = "{79FEACFF-FFCE-815E-A900-316290B5B738}"	8927053a5184dd36313cb18b39780345280bc9ac6b071de3596d1bea58550152N.exe

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

Executes dropped EXE 1 IoCs

pid	Process
2704	Nlhgoqhh.exe

Loads dropped DLL 2 IoCs

pid	Process
2160	8927053a5184dd36313cb18b39780345280bc9ac6b071de3596d1bea58550152N.exe
2160	8927053a5184dd36313cb18b39780345280bc9ac6b071de3596d1bea58550152N.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Nlhgoqhh.exe	8927053a5184dd36313cb18b39780345280bc9ac6b071de3596d1bea58550152N.exe
File opened for modification	C:\Windows\SysWOW64\Nlhgoqhh.exe	8927053a5184dd36313cb18b39780345280bc9ac6b071de3596d1bea58550152N.exe
File created	C:\Windows\SysWOW64\Lamajm32.dll	8927053a5184dd36313cb18b39780345280bc9ac6b071de3596d1bea58550152N.exe

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	8927053a5184dd36313cb18b39780345280bc9ac6b071de3596d1bea58550152N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Nlhgoqhh.exe

Modifies registry class 6 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32\ThreadingModel = "Apartment"	8927053a5184dd36313cb18b39780345280bc9ac6b071de3596d1bea58550152N.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32	8927053a5184dd36313cb18b39780345280bc9ac6b071de3596d1bea58550152N.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node	8927053a5184dd36313cb18b39780345280bc9ac6b071de3596d1bea58550152N.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID	8927053a5184dd36313cb18b39780345280bc9ac6b071de3596d1bea58550152N.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}	8927053a5184dd36313cb18b39780345280bc9ac6b071de3596d1bea58550152N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32\ = "C:\\Windows\\SysWow64\\Lamajm32.dll"	8927053a5184dd36313cb18b39780345280bc9ac6b071de3596d1bea58550152N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2160 wrote to memory of 2704	2160	8927053a5184dd36313cb18b39780345280bc9ac6b071de3596d1bea58550152N.exe	30
PID 2160 wrote to memory of 2704	2160	8927053a5184dd36313cb18b39780345280bc9ac6b071de3596d1bea58550152N.exe	30
PID 2160 wrote to memory of 2704	2160	8927053a5184dd36313cb18b39780345280bc9ac6b071de3596d1bea58550152N.exe	30
PID 2160 wrote to memory of 2704	2160	8927053a5184dd36313cb18b39780345280bc9ac6b071de3596d1bea58550152N.exe	30

C:\Users\Admin\AppData\Local\Temp\8927053a5184dd36313cb18b39780345280bc9ac6b071de3596d1bea58550152N.exe
"C:\Users\Admin\AppData\Local\Temp\8927053a5184dd36313cb18b39780345280bc9ac6b071de3596d1bea58550152N.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\Nlhgoqhh.exe
  C:\Windows\system32\Nlhgoqhh.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2704

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\Nlhgoqhh.exe

Filesize
246KB

MD5
407409998802acbad42e2d9f70696a27

SHA1
8ab263453f2ba1c0b401d1eefd08c14b7411e0e3

SHA256
98d0015a3ff637d9998917b4cc68c740f574defca827580e223747d0f6dae44a

SHA512
16eb5dfddaa58e00fbbb9d8b7b6001c1e77ace3d407d808aa2857dab043fabef802e63e593717f1b81963551ef2597f1d87405544359e5aa8f9dea4798587614

Download Submit
memory/2160-0-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/2160-18-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/2160-13-0x0000000000250000-0x0000000000283000-memory.dmp

Filesize
204KB

Download
memory/2160-12-0x0000000000250000-0x0000000000283000-memory.dmp

Filesize
204KB

Download
memory/2704-16-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/2704-14-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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