berbew | 0d814cba3f2a40f5a7e718fad7b6aa8dc61a21e5e0c01863bcc6dcc09a4662e8

General

Target

0d814cba3f2a40f5a7e718fad7b6aa8dc61a21e5e0c01863bcc6dcc09a4662e8N.exe
Size

74KB
MD5

602b8b8ab9f00bdf283c2947b6c5f1f0
SHA1

f8f38302c0bb7d5491550241128491c56eae3840
SHA256

0d814cba3f2a40f5a7e718fad7b6aa8dc61a21e5e0c01863bcc6dcc09a4662e8
SHA512

22aa4ca49a75541064b6586e7b82e10aa36cb33239cee4d341d0f216d1de2452611499bbc486497b87493da060dcac65564a7d2974d89f14e2bdbe6f02b3c69e
SSDEEP

1536:KXvvUqRklZgXi20AjrZuyEFK5m4+cp8M9j4X4NL8:KfvU+klZgXnvjrow/ek/

Score

10^/10

berbew backdoor discovery persistence

Malware Config

Extracted

Family

berbew

C2

http://f/wcmd.htm

http://f/ppslog.php

http://f/piplog.php?%s:%i:%i:%s:%09u:%i:%02d:%02d:%02d

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	0d814cba3f2a40f5a7e718fad7b6aa8dc61a21e5e0c01863bcc6dcc09a4662e8N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\Web Event Logger = "{79FAA099-1BAE-816E-D711-115290CEE717}"	0d814cba3f2a40f5a7e718fad7b6aa8dc61a21e5e0c01863bcc6dcc09a4662e8N.exe

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

Executes dropped EXE 1 IoCs

pid	Process
1928	Dmllipeg.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Dmllipeg.exe	0d814cba3f2a40f5a7e718fad7b6aa8dc61a21e5e0c01863bcc6dcc09a4662e8N.exe
File created	C:\Windows\SysWOW64\Kngpec32.dll	0d814cba3f2a40f5a7e718fad7b6aa8dc61a21e5e0c01863bcc6dcc09a4662e8N.exe
File created	C:\Windows\SysWOW64\Dmllipeg.exe	0d814cba3f2a40f5a7e718fad7b6aa8dc61a21e5e0c01863bcc6dcc09a4662e8N.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1620	1928	WerFault.exe	82

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	0d814cba3f2a40f5a7e718fad7b6aa8dc61a21e5e0c01863bcc6dcc09a4662e8N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Dmllipeg.exe

Modifies registry class 6 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{79FAA099-1BAE-816E-D711-115290CEE717}\InProcServer32\ThreadingModel = "Apartment"	0d814cba3f2a40f5a7e718fad7b6aa8dc61a21e5e0c01863bcc6dcc09a4662e8N.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{79FAA099-1BAE-816E-D711-115290CEE717}\InProcServer32	0d814cba3f2a40f5a7e718fad7b6aa8dc61a21e5e0c01863bcc6dcc09a4662e8N.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	0d814cba3f2a40f5a7e718fad7b6aa8dc61a21e5e0c01863bcc6dcc09a4662e8N.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	0d814cba3f2a40f5a7e718fad7b6aa8dc61a21e5e0c01863bcc6dcc09a4662e8N.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{79FAA099-1BAE-816E-D711-115290CEE717}	0d814cba3f2a40f5a7e718fad7b6aa8dc61a21e5e0c01863bcc6dcc09a4662e8N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{79FAA099-1BAE-816E-D711-115290CEE717}\InProcServer32\ = "C:\\Windows\\SysWow64\\Kngpec32.dll"	0d814cba3f2a40f5a7e718fad7b6aa8dc61a21e5e0c01863bcc6dcc09a4662e8N.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4280 wrote to memory of 1928	4280	0d814cba3f2a40f5a7e718fad7b6aa8dc61a21e5e0c01863bcc6dcc09a4662e8N.exe	82
PID 4280 wrote to memory of 1928	4280	0d814cba3f2a40f5a7e718fad7b6aa8dc61a21e5e0c01863bcc6dcc09a4662e8N.exe	82
PID 4280 wrote to memory of 1928	4280	0d814cba3f2a40f5a7e718fad7b6aa8dc61a21e5e0c01863bcc6dcc09a4662e8N.exe	82

C:\Users\Admin\AppData\Local\Temp\0d814cba3f2a40f5a7e718fad7b6aa8dc61a21e5e0c01863bcc6dcc09a4662e8N.exe
"C:\Users\Admin\AppData\Local\Temp\0d814cba3f2a40f5a7e718fad7b6aa8dc61a21e5e0c01863bcc6dcc09a4662e8N.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:4280
- C:\Windows\SysWOW64\Dmllipeg.exe
  C:\Windows\system32\Dmllipeg.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1928
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1928 -s 416
    3⤵
    - Program crash
    PID:1620

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 1928 -ip 1928
1⤵
PID:1836

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\Dmllipeg.exe

Filesize
74KB

MD5
a237e6a51456f1f1fac35df6862317fc

SHA1
a204b92fdad4bd244d2960428544d045a6d1df8c

SHA256
6046608959fad343efda52c2ee532d4edab69b6591328ea23ee87ccdbaa072da

SHA512
3cea33131a160ac8b1ff6cf6c362b0ea57dda4b873a1ae87c286ad00a757dd0ce7b02b92cbd75696a116ad278391d0b23b526d97f33db606088fe64ed60e9ba6

Download Submit
memory/1928-7-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/1928-9-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/4280-0-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/4280-10-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads