Malware Analysis Report

2025-01-02 06:53

Sample ID 220503-za9gtaefdl
Target 13e3f42f2c23412113e77f72f639f60d31f617dc03d0926658368ffeb4592835
SHA256 13e3f42f2c23412113e77f72f639f60d31f617dc03d0926658368ffeb4592835
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

13e3f42f2c23412113e77f72f639f60d31f617dc03d0926658368ffeb4592835

Threat Level: Known bad

The file 13e3f42f2c23412113e77f72f639f60d31f617dc03d0926658368ffeb4592835 was found to be: Known bad.

Malicious Activity Summary

onlylogger loader

OnlyLogger

OnlyLogger Payload

Deletes itself

Checks computer location settings

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 20:32

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-05-03 20:32

Reported

2022-05-03 20:34

Platform

win7-20220414-en

Max time kernel

42s

Max time network

46s

Command Line

"C:\Users\Admin\AppData\Local\Temp\13e3f42f2c23412113e77f72f639f60d31f617dc03d0926658368ffeb4592835.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\13e3f42f2c23412113e77f72f639f60d31f617dc03d0926658368ffeb4592835.exe

"C:\Users\Admin\AppData\Local\Temp\13e3f42f2c23412113e77f72f639f60d31f617dc03d0926658368ffeb4592835.exe"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "13e3f42f2c23412113e77f72f639f60d31f617dc03d0926658368ffeb4592835.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\13e3f42f2c23412113e77f72f639f60d31f617dc03d0926658368ffeb4592835.exe" & exit

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "13e3f42f2c23412113e77f72f639f60d31f617dc03d0926658368ffeb4592835.exe" /f

Network

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

Files

memory/1364-54-0x00000000765F1000-0x00000000765F3000-memory.dmp

memory/1364-55-0x000000000066B000-0x0000000000693000-memory.dmp

memory/1364-56-0x0000000000220000-0x0000000000266000-memory.dmp

memory/1364-57-0x0000000000400000-0x00000000004F7000-memory.dmp

memory/852-58-0x0000000000000000-mapping.dmp

memory/840-59-0x0000000000000000-mapping.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-05-03 20:32

Reported

2022-05-03 20:34

Platform

win10v2004-20220414-en

Max time kernel

160s

Max time network

165s

Command Line

"C:\Users\Admin\AppData\Local\Temp\13e3f42f2c23412113e77f72f639f60d31f617dc03d0926658368ffeb4592835.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\13e3f42f2c23412113e77f72f639f60d31f617dc03d0926658368ffeb4592835.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\13e3f42f2c23412113e77f72f639f60d31f617dc03d0926658368ffeb4592835.exe

"C:\Users\Admin\AppData\Local\Temp\13e3f42f2c23412113e77f72f639f60d31f617dc03d0926658368ffeb4592835.exe"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "13e3f42f2c23412113e77f72f639f60d31f617dc03d0926658368ffeb4592835.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\13e3f42f2c23412113e77f72f639f60d31f617dc03d0926658368ffeb4592835.exe" & exit

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "13e3f42f2c23412113e77f72f639f60d31f617dc03d0926658368ffeb4592835.exe" /f

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 2804 -ip 2804

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2804 -s 1268

Network

Country Destination Domain Proto
NL 8.248.1.254:80 tcp
US 8.8.8.8:53 gc-partners.in udp
NL 52.178.17.3:443 tcp
IE 20.54.110.249:443 tcp
US 8.8.8.8:53 97.97.242.52.in-addr.arpa udp
NL 104.97.14.80:80 tcp
NL 104.97.14.81:80 tcp
BE 67.27.153.254:80 tcp
US 8.8.8.8:53 storesdk.dsx.mp.microsoft.com udp
NL 104.80.225.205:443 storesdk.dsx.mp.microsoft.com tcp

Files

memory/2804-131-0x00000000006F8000-0x0000000000720000-memory.dmp

memory/2804-132-0x0000000000690000-0x00000000006D6000-memory.dmp

memory/2804-133-0x0000000000400000-0x00000000004F7000-memory.dmp

memory/4788-134-0x0000000000000000-mapping.dmp

memory/3404-135-0x0000000000000000-mapping.dmp