Malware Analysis Report

2025-01-02 06:50

Sample ID 220511-cxx1zadef6
Target 2cb27b0eb5d007394c13b6d21e079f6e06d5a8d3e3a4ea541cbf04b4d29523c6
SHA256 2cb27b0eb5d007394c13b6d21e079f6e06d5a8d3e3a4ea541cbf04b4d29523c6
Tags
onlylogger loader
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

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

2cb27b0eb5d007394c13b6d21e079f6e06d5a8d3e3a4ea541cbf04b4d29523c6

Threat Level: Known bad

The file 2cb27b0eb5d007394c13b6d21e079f6e06d5a8d3e3a4ea541cbf04b4d29523c6 was found to be: Known bad.

Malicious Activity Summary

onlylogger loader

OnlyLogger

OnlyLogger Payload

Deletes itself

Checks computer location settings

Enumerates physical storage devices

Program crash

Kills process with taskkill

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-05-11 02:27

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-05-11 02:27

Reported

2022-05-11 03:48

Platform

win7-20220414-en

Max time kernel

48s

Max time network

82s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2cb27b0eb5d007394c13b6d21e079f6e06d5a8d3e3a4ea541cbf04b4d29523c6.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\2cb27b0eb5d007394c13b6d21e079f6e06d5a8d3e3a4ea541cbf04b4d29523c6.exe

"C:\Users\Admin\AppData\Local\Temp\2cb27b0eb5d007394c13b6d21e079f6e06d5a8d3e3a4ea541cbf04b4d29523c6.exe"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "2cb27b0eb5d007394c13b6d21e079f6e06d5a8d3e3a4ea541cbf04b4d29523c6.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\2cb27b0eb5d007394c13b6d21e079f6e06d5a8d3e3a4ea541cbf04b4d29523c6.exe" & exit

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "2cb27b0eb5d007394c13b6d21e079f6e06d5a8d3e3a4ea541cbf04b4d29523c6.exe" /f

Network

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

Files

memory/1952-54-0x0000000075381000-0x0000000075383000-memory.dmp

memory/1952-56-0x0000000000220000-0x0000000000266000-memory.dmp

memory/1952-55-0x000000000065B000-0x0000000000683000-memory.dmp

memory/1952-57-0x0000000000400000-0x00000000004F8000-memory.dmp

memory/1204-58-0x0000000000000000-mapping.dmp

memory/1932-59-0x0000000000000000-mapping.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-05-11 02:27

Reported

2022-05-11 03:47

Platform

win10v2004-20220414-en

Max time kernel

180s

Max time network

207s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2cb27b0eb5d007394c13b6d21e079f6e06d5a8d3e3a4ea541cbf04b4d29523c6.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\2cb27b0eb5d007394c13b6d21e079f6e06d5a8d3e3a4ea541cbf04b4d29523c6.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\2cb27b0eb5d007394c13b6d21e079f6e06d5a8d3e3a4ea541cbf04b4d29523c6.exe

"C:\Users\Admin\AppData\Local\Temp\2cb27b0eb5d007394c13b6d21e079f6e06d5a8d3e3a4ea541cbf04b4d29523c6.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2996 -ip 2996

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2996 -s 612

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 2996 -ip 2996

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2996 -s 652

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 2996 -ip 2996

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2996 -s 764

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 2996 -ip 2996

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2996 -s 772

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 2996 -ip 2996

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2996 -s 1064

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 568 -p 2996 -ip 2996

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2996 -s 1104

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 2996 -ip 2996

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2996 -s 1020

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 2996 -ip 2996

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2996 -s 1100

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 2996 -ip 2996

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "2cb27b0eb5d007394c13b6d21e079f6e06d5a8d3e3a4ea541cbf04b4d29523c6.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\2cb27b0eb5d007394c13b6d21e079f6e06d5a8d3e3a4ea541cbf04b4d29523c6.exe" & exit

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2996 -s 1244

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "2cb27b0eb5d007394c13b6d21e079f6e06d5a8d3e3a4ea541cbf04b4d29523c6.exe" /f

Network

Country Destination Domain Proto
NL 104.110.191.133:80 tcp
US 93.184.220.29:80 tcp
NL 20.190.160.2:443 tcp
US 20.189.173.1:443 tcp
NL 20.190.160.132:443 tcp
NL 20.190.160.75:443 tcp
NL 104.110.191.133:80 tcp
GB 92.123.140.25:80 tcp
NL 20.190.160.71:443 tcp
NL 20.190.160.73:443 tcp
US 8.8.8.8:53 226.101.242.52.in-addr.arpa udp
NL 20.190.160.134:443 tcp
US 8.8.8.8:53 gc-partners.in udp
US 8.8.8.8:53 9.9.0.0.0.0.0.0.0.0.0.0.0.0.0.0.3.0.0.0.2.0.0.0.0.2.0.1.3.0.6.2.ip6.arpa udp

Files

memory/2996-131-0x0000000002150000-0x0000000002196000-memory.dmp

memory/2996-130-0x00000000007C8000-0x00000000007F0000-memory.dmp

memory/2996-132-0x0000000000400000-0x00000000004F8000-memory.dmp

memory/1708-133-0x0000000000000000-mapping.dmp

memory/3364-134-0x0000000000000000-mapping.dmp