Malware Analysis Report

2024-10-19 08:46

Sample ID 220521-pjy3bsafdl
Target 7809213c9557db2f152b7b1a259e8ed352ac27270e623d1c780e3cfd32ac14b0
SHA256 7809213c9557db2f152b7b1a259e8ed352ac27270e623d1c780e3cfd32ac14b0
Tags
masslogger ransomware rezer0 spyware stealer
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

7809213c9557db2f152b7b1a259e8ed352ac27270e623d1c780e3cfd32ac14b0

Threat Level: Known bad

The file 7809213c9557db2f152b7b1a259e8ed352ac27270e623d1c780e3cfd32ac14b0 was found to be: Known bad.

Malicious Activity Summary

masslogger ransomware rezer0 spyware stealer

MassLogger Main Payload

MassLogger log file

MassLogger

ReZer0 packer

Checks computer location settings

Looks up external IP address via web service

Suspicious use of SetThreadContext

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-05-21 12:22

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-05-21 12:22

Reported

2022-05-21 12:34

Platform

win7-20220414-en

Max time kernel

63s

Max time network

138s

Command Line

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

Signatures

MassLogger

stealer spyware masslogger

MassLogger Main 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
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
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
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
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
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
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
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
N/A N/A N/A N/A

MassLogger log file

Description Indicator Process Target
N/A N/A N/A N/A

ReZer0 packer

rezer0
Description Indicator Process Target
N/A N/A N/A N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\OUR_NEW_.exe N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A api.ipify.org N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 880 set thread context of 1376 N/A C:\Users\Admin\AppData\Local\Temp\OUR_NEW_.exe C:\Users\Admin\AppData\Local\Temp\OUR_NEW_.exe

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\OUR_NEW_.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\OUR_NEW_.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\OUR_NEW_.exe

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

C:\Users\Admin\AppData\Local\Temp\OUR_NEW_.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 api.ipify.org udp
US 52.20.78.240:80 api.ipify.org tcp

Files

memory/880-54-0x0000000000F50000-0x0000000001016000-memory.dmp

memory/880-55-0x0000000000280000-0x0000000000288000-memory.dmp

memory/880-56-0x0000000004D60000-0x0000000004E18000-memory.dmp

memory/1376-57-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/1376-58-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/1376-60-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/1376-61-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/1376-63-0x00000000004ABEAE-mapping.dmp

memory/1376-62-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/1376-65-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/1376-67-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/1376-69-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/1376-71-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/1376-73-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/1376-75-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/1376-77-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/1376-79-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/1376-81-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/1376-83-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/1376-85-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/1376-87-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/1376-89-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/1376-91-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/1376-93-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/1376-103-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/1376-105-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/1376-101-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/1376-99-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/1376-97-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/1376-95-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/1376-109-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/1376-107-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/1376-111-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/1376-115-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/1376-121-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/1376-119-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/1376-117-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/1376-113-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/1376-576-0x0000000000500000-0x0000000000544000-memory.dmp

memory/1376-578-0x0000000004EB5000-0x0000000004EC6000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-05-21 12:22

Reported

2022-05-21 12:34

Platform

win10v2004-20220414-en

Max time kernel

153s

Max time network

172s

Command Line

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

Signatures

MassLogger

stealer spyware masslogger

MassLogger Main 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
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
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
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
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
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
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
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

MassLogger log file

Description Indicator Process Target
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\OUR_NEW_.exe N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A api.ipify.org N/A N/A
N/A api.ipify.org N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 864 set thread context of 4692 N/A C:\Users\Admin\AppData\Local\Temp\OUR_NEW_.exe C:\Users\Admin\AppData\Local\Temp\OUR_NEW_.exe

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\OUR_NEW_.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\OUR_NEW_.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\OUR_NEW_.exe

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

C:\Users\Admin\AppData\Local\Temp\OUR_NEW_.exe

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

Network

Country Destination Domain Proto
GB 92.123.143.240:80 tcp
NL 20.190.160.73:443 tcp
NL 8.248.1.254:80 tcp
US 52.168.112.67:443 tcp
NL 20.190.160.67:443 tcp
IE 20.54.110.249:443 tcp
NL 20.190.160.73:443 tcp
NL 104.97.14.80:80 tcp
NL 104.97.14.80:80 tcp
US 8.8.8.8:53 api.ipify.org udp
NL 20.190.160.2:443 tcp
US 8.8.8.8:53 api.ipify.org udp
US 3.232.242.170:80 api.ipify.org tcp
NL 20.190.160.67:443 tcp
NL 20.190.160.67:443 tcp
NL 20.190.160.136:443 tcp
NL 20.190.160.2:443 tcp
NL 20.190.160.2:443 tcp
NL 20.190.160.129:443 tcp
NL 20.190.160.136:443 tcp
US 8.8.8.8:53 storesdk.dsx.mp.microsoft.com udp
FR 2.18.109.224:443 storesdk.dsx.mp.microsoft.com tcp
NL 20.190.160.136:443 tcp
NL 20.190.160.136:443 tcp
NL 20.190.160.6:443 tcp
NL 20.190.160.129:443 tcp
NL 20.190.160.129:443 tcp
NL 20.190.160.129:443 tcp
NL 20.190.160.129:443 tcp
NL 20.190.160.6:443 tcp
NL 20.190.160.6:443 tcp
NL 20.190.160.6:443 tcp
NL 104.110.191.133:80 tcp
NL 20.190.160.6:443 tcp

Files

memory/864-131-0x0000000000CC0000-0x0000000000D86000-memory.dmp

memory/864-132-0x0000000005D30000-0x00000000062D4000-memory.dmp

memory/864-133-0x0000000005780000-0x0000000005812000-memory.dmp

memory/864-134-0x0000000005820000-0x00000000058BC000-memory.dmp

memory/4692-135-0x0000000000000000-mapping.dmp

memory/4692-136-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4692-138-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4692-140-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4692-142-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4692-144-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4692-146-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4692-148-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4692-150-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4692-152-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4692-156-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4692-154-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4692-158-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4692-160-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4692-162-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4692-164-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4692-166-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4692-168-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4692-170-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4692-172-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4692-174-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4692-178-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4692-176-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4692-180-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4692-182-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4692-184-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4692-186-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4692-190-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4692-192-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4692-194-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4692-196-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4692-188-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4692-198-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4692-645-0x0000000005880000-0x00000000058E6000-memory.dmp

memory/4692-646-0x0000000006FB0000-0x0000000006FBA000-memory.dmp