Malware Analysis Report

2024-11-30 22:32

Sample ID 241122-r3ya9asnes
Target idggh934sp.dll
SHA256 9b8ffdc8ba2b2caa485cca56a82b2dcbd251f65fb30bc88f0ac3da6704e4d3c6
Tags
discovery pikabot botnet persistence
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

9b8ffdc8ba2b2caa485cca56a82b2dcbd251f65fb30bc88f0ac3da6704e4d3c6

Threat Level: Known bad

The file idggh934sp.dll was found to be: Known bad.

Malicious Activity Summary

discovery pikabot botnet persistence

Pikabot family

PikaBot

Detects PikaBot botnet

Adds Run key to start application

Suspicious use of SetThreadContext

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-22 14:43

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-22 14:43

Reported

2024-11-22 14:46

Platform

win7-20240903-en

Max time kernel

122s

Max time network

123s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\idggh934sp.dll

Signatures

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\regsvr32.exe N/A

Processes

C:\Windows\system32\regsvr32.exe

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\idggh934sp.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\idggh934sp.dll

Network

N/A

Files

memory/2336-0-0x0000000001DD0000-0x0000000001E65000-memory.dmp

memory/2336-1-0x0000000000850000-0x00000000008C6000-memory.dmp

memory/2336-3-0x0000000000850000-0x00000000008C6000-memory.dmp

memory/2336-4-0x0000000000850000-0x00000000008C6000-memory.dmp

memory/2336-5-0x0000000001DD0000-0x0000000001E65000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-22 14:43

Reported

2024-11-22 14:46

Platform

win10v2004-20241007-en

Max time kernel

93s

Max time network

140s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\idggh934sp.dll

Signatures

Detects PikaBot botnet

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A

PikaBot

botnet pikabot

Pikabot family

pikabot

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\unbevelledHamuli = "regsvr32 /s \"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\cimeter\\unbevelledHamuli.dll\" " C:\Windows\SysWOW64\wermgr.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1360 set thread context of 404 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\wermgr.exe

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\regsvr32.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\wermgr.exe N/A
N/A N/A C:\Windows\SysWOW64\wermgr.exe N/A

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\regsvr32.exe N/A

Processes

C:\Windows\system32\regsvr32.exe

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\idggh934sp.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\idggh934sp.dll

C:\Windows\SysWOW64\wermgr.exe

"C:\Windows\SysWOW64\wermgr.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp

Files

memory/1360-0-0x00000000014E0000-0x0000000001575000-memory.dmp

memory/1360-1-0x0000000002D30000-0x0000000002DA6000-memory.dmp

memory/404-2-0x0000000000480000-0x000000000048F000-memory.dmp

memory/404-6-0x0000000000480000-0x000000000048F000-memory.dmp

memory/1360-10-0x0000000002D30000-0x0000000002DA6000-memory.dmp

memory/1360-11-0x00000000014E0000-0x0000000001575000-memory.dmp