Malware Analysis Report

2024-12-08 02:21

Sample ID 220512-n6cxyagddj
Target 781f78c1ee4bdaeb0bdcdc35380427fdfc00faee122bb4c5ff0733004a56dd04
SHA256 781f78c1ee4bdaeb0bdcdc35380427fdfc00faee122bb4c5ff0733004a56dd04
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

781f78c1ee4bdaeb0bdcdc35380427fdfc00faee122bb4c5ff0733004a56dd04

Threat Level: Known bad

The file 781f78c1ee4bdaeb0bdcdc35380427fdfc00faee122bb4c5ff0733004a56dd04 was found to be: Known bad.

Malicious Activity Summary

onlylogger loader

OnlyLogger

OnlyLogger Payload

Checks computer location settings

Deletes itself

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

2022-05-12 12:00

Signatures

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2022-05-12 12:00

Reported

2022-05-12 12:24

Platform

win10v2004-20220414-en

Max time kernel

92s

Max time network

143s

Command Line

"C:\Users\Admin\AppData\Local\Temp\781f78c1ee4bdaeb0bdcdc35380427fdfc00faee122bb4c5ff0733004a56dd04.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-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\781f78c1ee4bdaeb0bdcdc35380427fdfc00faee122bb4c5ff0733004a56dd04.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\781f78c1ee4bdaeb0bdcdc35380427fdfc00faee122bb4c5ff0733004a56dd04.exe

"C:\Users\Admin\AppData\Local\Temp\781f78c1ee4bdaeb0bdcdc35380427fdfc00faee122bb4c5ff0733004a56dd04.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1608 -ip 1608

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1608 -s 612

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 1608 -ip 1608

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1608 -s 616

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 1608 -ip 1608

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1608 -s 612

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 1608 -ip 1608

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1608 -s 784

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 1608 -ip 1608

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1608 -s 852

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 1608 -ip 1608

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1608 -s 1184

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 1608 -ip 1608

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1608 -s 1192

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "781f78c1ee4bdaeb0bdcdc35380427fdfc00faee122bb4c5ff0733004a56dd04.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\781f78c1ee4bdaeb0bdcdc35380427fdfc00faee122bb4c5ff0733004a56dd04.exe" & exit

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 1608 -ip 1608

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1608 -s 1072

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "781f78c1ee4bdaeb0bdcdc35380427fdfc00faee122bb4c5ff0733004a56dd04.exe" /f

Network

Country Destination Domain Proto
BE 8.238.110.126:80 tcp
US 8.8.8.8:53 gc-partners.in udp
IE 52.109.76.30:443 tcp
BE 8.238.110.126:80 tcp
BE 8.238.110.126:80 tcp

Files

memory/1608-130-0x0000000004F78000-0x0000000004FA0000-memory.dmp

memory/1608-131-0x0000000006A00000-0x0000000006A46000-memory.dmp

memory/1608-132-0x0000000000400000-0x0000000004DCD000-memory.dmp

memory/4332-133-0x0000000000000000-mapping.dmp

memory/4936-134-0x0000000000000000-mapping.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2022-05-12 12:00

Reported

2022-05-12 12:24

Platform

win7-20220414-en

Max time kernel

44s

Max time network

49s

Command Line

"C:\Users\Admin\AppData\Local\Temp\781f78c1ee4bdaeb0bdcdc35380427fdfc00faee122bb4c5ff0733004a56dd04.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\781f78c1ee4bdaeb0bdcdc35380427fdfc00faee122bb4c5ff0733004a56dd04.exe

"C:\Users\Admin\AppData\Local\Temp\781f78c1ee4bdaeb0bdcdc35380427fdfc00faee122bb4c5ff0733004a56dd04.exe"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "781f78c1ee4bdaeb0bdcdc35380427fdfc00faee122bb4c5ff0733004a56dd04.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\781f78c1ee4bdaeb0bdcdc35380427fdfc00faee122bb4c5ff0733004a56dd04.exe" & exit

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "781f78c1ee4bdaeb0bdcdc35380427fdfc00faee122bb4c5ff0733004a56dd04.exe" /f

Network

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

Files

memory/1808-54-0x0000000075BD1000-0x0000000075BD3000-memory.dmp

memory/1808-55-0x000000000026B000-0x0000000000293000-memory.dmp

memory/1808-56-0x0000000006540000-0x0000000006586000-memory.dmp

memory/1808-57-0x0000000000400000-0x0000000004DCD000-memory.dmp

memory/1220-58-0x0000000000000000-mapping.dmp

memory/1268-59-0x0000000000000000-mapping.dmp