Malware Analysis Report

2025-01-02 06:52

Sample ID 220418-kre7zahbej
Target f17be56f3ffcbff5456246f92dbfcbc6251aaae4890580260a877f4ef98ae85f
SHA256 f17be56f3ffcbff5456246f92dbfcbc6251aaae4890580260a877f4ef98ae85f
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

f17be56f3ffcbff5456246f92dbfcbc6251aaae4890580260a877f4ef98ae85f

Threat Level: Known bad

The file f17be56f3ffcbff5456246f92dbfcbc6251aaae4890580260a877f4ef98ae85f 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

Kills process with taskkill

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-04-18 08:49

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-04-18 08:49

Reported

2022-04-18 12:45

Platform

win7-20220414-en

Max time kernel

55s

Max time network

55s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f17be56f3ffcbff5456246f92dbfcbc6251aaae4890580260a877f4ef98ae85f.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\f17be56f3ffcbff5456246f92dbfcbc6251aaae4890580260a877f4ef98ae85f.exe

"C:\Users\Admin\AppData\Local\Temp\f17be56f3ffcbff5456246f92dbfcbc6251aaae4890580260a877f4ef98ae85f.exe"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "f17be56f3ffcbff5456246f92dbfcbc6251aaae4890580260a877f4ef98ae85f.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\f17be56f3ffcbff5456246f92dbfcbc6251aaae4890580260a877f4ef98ae85f.exe" & exit

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "f17be56f3ffcbff5456246f92dbfcbc6251aaae4890580260a877f4ef98ae85f.exe" /f

Network

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

Files

memory/972-54-0x000000000026C000-0x0000000000294000-memory.dmp

memory/972-55-0x00000000753B1000-0x00000000753B3000-memory.dmp

memory/972-57-0x0000000002390000-0x00000000023D6000-memory.dmp

memory/972-56-0x000000000026C000-0x0000000000294000-memory.dmp

memory/972-58-0x0000000000400000-0x0000000000C31000-memory.dmp

memory/2016-59-0x0000000000000000-mapping.dmp

memory/1960-60-0x0000000000000000-mapping.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-04-18 08:49

Reported

2022-04-18 12:45

Platform

win10v2004-20220414-en

Max time kernel

72s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f17be56f3ffcbff5456246f92dbfcbc6251aaae4890580260a877f4ef98ae85f.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-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\f17be56f3ffcbff5456246f92dbfcbc6251aaae4890580260a877f4ef98ae85f.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\f17be56f3ffcbff5456246f92dbfcbc6251aaae4890580260a877f4ef98ae85f.exe

"C:\Users\Admin\AppData\Local\Temp\f17be56f3ffcbff5456246f92dbfcbc6251aaae4890580260a877f4ef98ae85f.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 176 -p 1320 -ip 1320

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1320 -s 624

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 400 -p 1320 -ip 1320

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1320 -s 660

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 1320 -ip 1320

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1320 -s 716

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 1320 -ip 1320

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1320 -s 724

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1320 -ip 1320

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1320 -s 840

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 1320 -ip 1320

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1320 -s 1068

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 1320 -ip 1320

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1320 -s 1244

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "f17be56f3ffcbff5456246f92dbfcbc6251aaae4890580260a877f4ef98ae85f.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\f17be56f3ffcbff5456246f92dbfcbc6251aaae4890580260a877f4ef98ae85f.exe" & exit

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 1320 -ip 1320

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1320 -s 1080

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "f17be56f3ffcbff5456246f92dbfcbc6251aaae4890580260a877f4ef98ae85f.exe" /f

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 1320 -ip 1320

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1320 -s 1096

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 1320 -ip 1320

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1320 -s 1388

Network

Country Destination Domain Proto
IE 20.54.89.106:443 tcp
US 8.8.8.8:53 gc-partners.in udp
US 8.8.8.8:53 176.122.125.40.in-addr.arpa udp
US 8.8.8.8:53 0.e.0.0.0.0.0.0.0.0.0.0.0.0.0.0.3.0.0.0.4.0.c.0.0.3.0.1.3.0.6.2.ip6.arpa udp

Files

memory/1320-130-0x0000000000FDE000-0x0000000001006000-memory.dmp

memory/1320-131-0x0000000000FDE000-0x0000000001006000-memory.dmp

memory/1320-132-0x0000000002970000-0x00000000029B6000-memory.dmp

memory/1320-133-0x0000000000400000-0x0000000000C31000-memory.dmp

memory/1352-134-0x0000000000000000-mapping.dmp

memory/1324-135-0x0000000000000000-mapping.dmp