Malware Analysis Report

2025-01-02 06:51

Sample ID 220503-za1vnscab5
Target bbcd38757d9804896adbb7d0575d819b78e20ceb48cc1ae99bd6d24ddecfaeb3
SHA256 bbcd38757d9804896adbb7d0575d819b78e20ceb48cc1ae99bd6d24ddecfaeb3
Tags
onlylogger loader
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

bbcd38757d9804896adbb7d0575d819b78e20ceb48cc1ae99bd6d24ddecfaeb3

Threat Level: Known bad

The file bbcd38757d9804896adbb7d0575d819b78e20ceb48cc1ae99bd6d24ddecfaeb3 was found to be: Known bad.

Malicious Activity Summary

onlylogger loader

OnlyLogger

OnlyLogger Payload

Checks computer location settings

Deletes itself

Program crash

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Kills process with taskkill

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-05-03 20:31

Signatures

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2022-05-03 20:31

Reported

2022-05-03 20:34

Platform

win10v2004-20220414-en

Max time kernel

143s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\bbcd38757d9804896adbb7d0575d819b78e20ceb48cc1ae99bd6d24ddecfaeb3.exe"

Signatures

OnlyLogger

loader onlylogger

OnlyLogger Payload

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

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\bbcd38757d9804896adbb7d0575d819b78e20ceb48cc1ae99bd6d24ddecfaeb3.exe N/A

Enumerates physical storage devices

Kills process with taskkill

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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\taskkill.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\bbcd38757d9804896adbb7d0575d819b78e20ceb48cc1ae99bd6d24ddecfaeb3.exe

"C:\Users\Admin\AppData\Local\Temp\bbcd38757d9804896adbb7d0575d819b78e20ceb48cc1ae99bd6d24ddecfaeb3.exe"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "bbcd38757d9804896adbb7d0575d819b78e20ceb48cc1ae99bd6d24ddecfaeb3.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\bbcd38757d9804896adbb7d0575d819b78e20ceb48cc1ae99bd6d24ddecfaeb3.exe" & exit

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4080 -ip 4080

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "bbcd38757d9804896adbb7d0575d819b78e20ceb48cc1ae99bd6d24ddecfaeb3.exe" /f

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4080 -s 1260

Network

Country Destination Domain Proto
NL 20.190.160.2:443 tcp
US 209.197.3.8:80 tcp
US 93.184.220.29:80 tcp
NL 20.190.160.2:443 tcp
US 8.8.8.8:53 gc-partners.in udp
NL 20.190.160.8:443 tcp
US 209.197.3.8:80 tcp
NL 104.110.191.133:80 tcp
NL 104.110.191.133:80 tcp
US 52.168.112.66:443 tcp
NL 20.190.160.8:443 tcp
NL 20.190.160.134:443 tcp
US 209.197.3.8:80 tcp
NL 20.190.160.134:443 tcp
NL 20.190.160.129:443 tcp
NL 20.190.160.129:443 tcp
NL 20.190.160.132:443 tcp
NL 2.17.222.14:80 tcp
NL 20.190.160.132:443 tcp
NL 20.190.160.136:443 tcp
NL 20.190.160.136:443 tcp

Files

memory/4080-130-0x0000000000669000-0x0000000000691000-memory.dmp

memory/4080-131-0x0000000002230000-0x0000000002276000-memory.dmp

memory/4080-132-0x0000000000400000-0x00000000004F6000-memory.dmp

memory/4188-133-0x0000000000000000-mapping.dmp

memory/4064-134-0x0000000000000000-mapping.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2022-05-03 20:31

Reported

2022-05-03 20:34

Platform

win7-20220414-en

Max time kernel

44s

Max time network

48s

Command Line

"C:\Users\Admin\AppData\Local\Temp\bbcd38757d9804896adbb7d0575d819b78e20ceb48cc1ae99bd6d24ddecfaeb3.exe"

Signatures

OnlyLogger

loader onlylogger

OnlyLogger Payload

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

Deletes itself

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

Enumerates physical storage devices

Kills process with taskkill

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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\taskkill.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\bbcd38757d9804896adbb7d0575d819b78e20ceb48cc1ae99bd6d24ddecfaeb3.exe

"C:\Users\Admin\AppData\Local\Temp\bbcd38757d9804896adbb7d0575d819b78e20ceb48cc1ae99bd6d24ddecfaeb3.exe"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "bbcd38757d9804896adbb7d0575d819b78e20ceb48cc1ae99bd6d24ddecfaeb3.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\bbcd38757d9804896adbb7d0575d819b78e20ceb48cc1ae99bd6d24ddecfaeb3.exe" & exit

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "bbcd38757d9804896adbb7d0575d819b78e20ceb48cc1ae99bd6d24ddecfaeb3.exe" /f

Network

Country Destination Domain Proto
US 8.8.8.8:53 gc-partners.in udp

Files

memory/536-54-0x0000000075B61000-0x0000000075B63000-memory.dmp

memory/536-56-0x0000000000220000-0x0000000000266000-memory.dmp

memory/536-55-0x000000000068B000-0x00000000006B3000-memory.dmp

memory/536-57-0x0000000000400000-0x00000000004F6000-memory.dmp

memory/1984-58-0x0000000000000000-mapping.dmp

memory/1144-59-0x0000000000000000-mapping.dmp