Malware Analysis Report

2024-12-08 02:24

Sample ID 220528-e1vfcschhq
Target 027729165e06cd8554c44057dbd182192f3c23f5dbd3bbe770b09735b1c3d13e
SHA256 027729165e06cd8554c44057dbd182192f3c23f5dbd3bbe770b09735b1c3d13e
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

027729165e06cd8554c44057dbd182192f3c23f5dbd3bbe770b09735b1c3d13e

Threat Level: Known bad

The file 027729165e06cd8554c44057dbd182192f3c23f5dbd3bbe770b09735b1c3d13e 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 WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-05-28 04:24

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-05-28 04:24

Reported

2022-05-28 06:56

Platform

win7-20220414-en

Max time kernel

32s

Max time network

46s

Command Line

"C:\Users\Admin\AppData\Local\Temp\027729165e06cd8554c44057dbd182192f3c23f5dbd3bbe770b09735b1c3d13e.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\027729165e06cd8554c44057dbd182192f3c23f5dbd3bbe770b09735b1c3d13e.exe

"C:\Users\Admin\AppData\Local\Temp\027729165e06cd8554c44057dbd182192f3c23f5dbd3bbe770b09735b1c3d13e.exe"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "027729165e06cd8554c44057dbd182192f3c23f5dbd3bbe770b09735b1c3d13e.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\027729165e06cd8554c44057dbd182192f3c23f5dbd3bbe770b09735b1c3d13e.exe" & exit

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "027729165e06cd8554c44057dbd182192f3c23f5dbd3bbe770b09735b1c3d13e.exe" /f

Network

N/A

Files

memory/904-54-0x0000000000989000-0x00000000009B2000-memory.dmp

memory/904-55-0x00000000751C1000-0x00000000751C3000-memory.dmp

memory/1092-56-0x0000000000000000-mapping.dmp

memory/904-57-0x0000000000989000-0x00000000009B2000-memory.dmp

memory/904-58-0x0000000000220000-0x0000000000269000-memory.dmp

memory/904-59-0x0000000000400000-0x000000000089B000-memory.dmp

memory/1440-60-0x0000000000000000-mapping.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-05-28 04:24

Reported

2022-05-28 06:54

Platform

win10v2004-20220414-en

Max time kernel

91s

Max time network

158s

Command Line

"C:\Users\Admin\AppData\Local\Temp\027729165e06cd8554c44057dbd182192f3c23f5dbd3bbe770b09735b1c3d13e.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
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\027729165e06cd8554c44057dbd182192f3c23f5dbd3bbe770b09735b1c3d13e.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\027729165e06cd8554c44057dbd182192f3c23f5dbd3bbe770b09735b1c3d13e.exe

"C:\Users\Admin\AppData\Local\Temp\027729165e06cd8554c44057dbd182192f3c23f5dbd3bbe770b09735b1c3d13e.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2304 -ip 2304

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2304 -s 736

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 2304 -ip 2304

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2304 -s 812

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 2304 -ip 2304

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2304 -s 948

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2304 -ip 2304

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2304 -s 976

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2304 -ip 2304

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2304 -s 960

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 2304 -ip 2304

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2304 -s 968

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "027729165e06cd8554c44057dbd182192f3c23f5dbd3bbe770b09735b1c3d13e.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\027729165e06cd8554c44057dbd182192f3c23f5dbd3bbe770b09735b1c3d13e.exe" & exit

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 2304 -ip 2304

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2304 -s 824

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "027729165e06cd8554c44057dbd182192f3c23f5dbd3bbe770b09735b1c3d13e.exe" /f

Network

Country Destination Domain Proto
BE 67.27.154.126:80 tcp
NL 52.109.88.34:443 tcp
BE 67.27.154.126:80 tcp
US 20.42.65.89:443 tcp
BE 67.27.154.126:80 tcp
BE 67.27.154.126:80 tcp
BE 67.27.154.126:80 tcp
US 8.8.8.8:53 226.101.242.52.in-addr.arpa udp

Files

memory/2304-130-0x0000000000989000-0x00000000009B2000-memory.dmp

memory/2304-131-0x0000000000CF0000-0x0000000000D39000-memory.dmp

memory/2304-132-0x0000000000400000-0x000000000089B000-memory.dmp

memory/4532-133-0x0000000000000000-mapping.dmp

memory/888-134-0x0000000000000000-mapping.dmp

memory/2304-135-0x0000000000989000-0x00000000009B2000-memory.dmp

memory/2304-136-0x0000000000CF0000-0x0000000000D39000-memory.dmp

memory/2304-137-0x0000000000400000-0x000000000089B000-memory.dmp