berbew | f6247cc753c56ba31fd6e887b6dedb456eec838ac23cee2cde877e5c63cd12fc

General

Target

f6247cc753c56ba31fd6e887b6dedb456eec838ac23cee2cde877e5c63cd12fcN.exe
Size

77KB
MD5

54b4c3a3141e09c22d94af07f1a089b0
SHA1

6c5848e1d34e401e5f0fd063a5ba47779c810db8
SHA256

f6247cc753c56ba31fd6e887b6dedb456eec838ac23cee2cde877e5c63cd12fc
SHA512

bf7937e6dd2219b388f6c2011dc1342b824b2adfe21cb411ea8a355f573e1be42673e5a1b1853edf0e24b506af0963c63071a9de63b69cb19b0549c7acc9dee4
SSDEEP

1536:2gsYOmp0JMmIbLSjj6mDniX12LtWwfi+TjRC/D:2ej4hniWYwf1TjYD

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 4 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	f6247cc753c56ba31fd6e887b6dedb456eec838ac23cee2cde877e5c63cd12fcN.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\Web Event Logger = "{79FEACFF-FFCE-815E-A900-316290B5B738}"	f6247cc753c56ba31fd6e887b6dedb456eec838ac23cee2cde877e5c63cd12fcN.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad	Fjocbhbo.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\Web Event Logger = "{79FEACFF-FFCE-815E-A900-316290B5B738}"	Fjocbhbo.exe

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

Executes dropped EXE 2 IoCs

pid	Process
1280	Fjocbhbo.exe
2344	Gddgpqbe.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Fjocbhbo.exe	f6247cc753c56ba31fd6e887b6dedb456eec838ac23cee2cde877e5c63cd12fcN.exe
File opened for modification	C:\Windows\SysWOW64\Fjocbhbo.exe	f6247cc753c56ba31fd6e887b6dedb456eec838ac23cee2cde877e5c63cd12fcN.exe
File created	C:\Windows\SysWOW64\Fohoiloe.dll	f6247cc753c56ba31fd6e887b6dedb456eec838ac23cee2cde877e5c63cd12fcN.exe
File created	C:\Windows\SysWOW64\Gddgpqbe.exe	Fjocbhbo.exe
File opened for modification	C:\Windows\SysWOW64\Gddgpqbe.exe	Fjocbhbo.exe
File created	C:\Windows\SysWOW64\Jcggmk32.dll	Fjocbhbo.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4748	2344	WerFault.exe	90

System Location Discovery: System Language Discovery 1 TTPs 3 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	f6247cc753c56ba31fd6e887b6dedb456eec838ac23cee2cde877e5c63cd12fcN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Fjocbhbo.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Gddgpqbe.exe

Modifies registry class 9 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	f6247cc753c56ba31fd6e887b6dedb456eec838ac23cee2cde877e5c63cd12fcN.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	f6247cc753c56ba31fd6e887b6dedb456eec838ac23cee2cde877e5c63cd12fcN.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32\ = "C:\\Windows\\SysWow64\\Fohoiloe.dll"	f6247cc753c56ba31fd6e887b6dedb456eec838ac23cee2cde877e5c63cd12fcN.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32\ = "C:\\Windows\\SysWow64\\Jcggmk32.dll"	Fjocbhbo.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32\ThreadingModel = "Apartment"	Fjocbhbo.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32	f6247cc753c56ba31fd6e887b6dedb456eec838ac23cee2cde877e5c63cd12fcN.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}	f6247cc753c56ba31fd6e887b6dedb456eec838ac23cee2cde877e5c63cd12fcN.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32\ThreadingModel = "Apartment"	f6247cc753c56ba31fd6e887b6dedb456eec838ac23cee2cde877e5c63cd12fcN.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32	Fjocbhbo.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3656 wrote to memory of 1280	3656	f6247cc753c56ba31fd6e887b6dedb456eec838ac23cee2cde877e5c63cd12fcN.exe	89
PID 3656 wrote to memory of 1280	3656	f6247cc753c56ba31fd6e887b6dedb456eec838ac23cee2cde877e5c63cd12fcN.exe	89
PID 3656 wrote to memory of 1280	3656	f6247cc753c56ba31fd6e887b6dedb456eec838ac23cee2cde877e5c63cd12fcN.exe	89
PID 1280 wrote to memory of 2344	1280	Fjocbhbo.exe	90
PID 1280 wrote to memory of 2344	1280	Fjocbhbo.exe	90
PID 1280 wrote to memory of 2344	1280	Fjocbhbo.exe	90

C:\Users\Admin\AppData\Local\Temp\f6247cc753c56ba31fd6e887b6dedb456eec838ac23cee2cde877e5c63cd12fcN.exe
"C:\Users\Admin\AppData\Local\Temp\f6247cc753c56ba31fd6e887b6dedb456eec838ac23cee2cde877e5c63cd12fcN.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:3656
- C:\Windows\SysWOW64\Fjocbhbo.exe
  C:\Windows\system32\Fjocbhbo.exe
  2⤵
  - Adds autorun key to be loaded by Explorer.exe on startup
  - Executes dropped EXE
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1280
- - C:\Windows\SysWOW64\Gddgpqbe.exe
    C:\Windows\system32\Gddgpqbe.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2344
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2344 -s 400
      4⤵
      Program crash
      PID:4748

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2344 -ip 2344
1⤵
PID:3172

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4352,i,2727319350781907497,7925939240893079607,262144 --variations-seed-version --mojo-platform-channel-handle=3952 /prefetch:8
1⤵
PID:1564

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\SysWOW64\Fjocbhbo.exe

Filesize
77KB

MD5
1951e5d1a8098feb1dabd4e9835b4e55

SHA1
00be4171ef5fa983deaa4747efd63c9eb7a25415

SHA256
6491ba82f3c612254eacef5410c462695425e901aab914c9a936df17271da6b2

SHA512
3e832849da24cb64c9880a55cffa3a0d90d50ab4332e333e1b7e1dd0cba23e135e195c3066dc152324c99eb1579afe082e51dd28c300858ad1b1c422cdbbe70a

Download Submit
C:\Windows\SysWOW64\Gddgpqbe.exe

Filesize
77KB

MD5
6046c29d673f9541f6326f2e3ab06b4f

SHA1
9e45888c91e5717f4789ad30aaa424d101f1a6e0

SHA256
86b0043cc0f5928100c3bba44b2c4843cf6026e1f36e17785ac9b8a66c0bc8f6

SHA512
369382aa9f75bace70bac6ff72a7b5167552945b30355c3aae3d0ace0cd171e8ea58aca43d13b4a78c09ea9c23aff8dfb05e19a0e95c7803a2d49ec80b757b09

Download Submit
memory/1280-9-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1280-19-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2344-16-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2344-18-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3656-0-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3656-1-0x0000000000431000-0x0000000000432000-memory.dmp

Filesize
4KB

Download
memory/3656-20-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads