Malware Analysis Report

2024-10-19 08:46

Sample ID 220521-pd5b6aacgq
Target ea0a4c4e4ab8b6a483c5bdb3a73cd0ac90b3b0657fecf22829d4d91f1088d8ff
SHA256 ea0a4c4e4ab8b6a483c5bdb3a73cd0ac90b3b0657fecf22829d4d91f1088d8ff
Tags
masslogger ransomware spyware stealer rezer0
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

ea0a4c4e4ab8b6a483c5bdb3a73cd0ac90b3b0657fecf22829d4d91f1088d8ff

Threat Level: Known bad

The file ea0a4c4e4ab8b6a483c5bdb3a73cd0ac90b3b0657fecf22829d4d91f1088d8ff was found to be: Known bad.

Malicious Activity Summary

masslogger ransomware spyware stealer rezer0

MassLogger log file

MassLogger Main Payload

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 12:13

Signatures

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2022-05-21 12:13

Reported

2022-05-21 12:28

Platform

win10v2004-20220414-en

Max time kernel

132s

Max time network

165s

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-1-5-21-2632097139-1792035885-811742494-1000\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 4952 set thread context of 4132 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
NL 104.110.191.140:80 tcp
NL 104.110.191.140:80 tcp
US 13.89.178.26:443 tcp
GB 92.123.140.25:80 tcp
US 8.8.8.8:53 api.ipify.org udp
US 54.91.59.199:80 api.ipify.org tcp
US 8.252.116.254:80 tcp

Files

memory/4952-130-0x0000000000D00000-0x0000000000DC4000-memory.dmp

memory/4952-131-0x0000000005CE0000-0x0000000006284000-memory.dmp

memory/4952-132-0x0000000005640000-0x00000000056D2000-memory.dmp

memory/4952-133-0x00000000057D0000-0x000000000586C000-memory.dmp

memory/4132-134-0x0000000000000000-mapping.dmp

memory/4132-135-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4132-137-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4132-139-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4132-141-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4132-143-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4132-145-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4132-147-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4132-149-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4132-151-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4132-153-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4132-155-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4132-157-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4132-159-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4132-161-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4132-163-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4132-165-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4132-167-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4132-169-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4132-171-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4132-173-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4132-175-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4132-177-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4132-179-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4132-181-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4132-183-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4132-185-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4132-187-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4132-189-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4132-191-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4132-193-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4132-195-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4132-197-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4132-644-0x0000000005B80000-0x0000000005BE6000-memory.dmp

memory/4132-645-0x00000000072B0000-0x00000000072BA000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2022-05-21 12:13

Reported

2022-05-21 12:27

Platform

win7-20220414-en

Max time kernel

87s

Max time network

88s

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-1-5-21-1083475884-596052423-1669053738-1000\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 2012 set thread context of 852 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 54.91.59.199:80 api.ipify.org tcp

Files

memory/2012-54-0x0000000000040000-0x0000000000104000-memory.dmp

memory/2012-55-0x0000000000520000-0x0000000000528000-memory.dmp

memory/2012-56-0x0000000004E70000-0x0000000004F28000-memory.dmp

memory/852-57-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/852-58-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/852-60-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/852-61-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/852-62-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/852-63-0x00000000004ABEAE-mapping.dmp

memory/852-65-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/852-67-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/852-69-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/852-71-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/852-73-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/852-75-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/852-77-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/852-79-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/852-81-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/852-83-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/852-85-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/852-87-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/852-89-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/852-91-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/852-93-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/852-95-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/852-97-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/852-99-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/852-101-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/852-103-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/852-105-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/852-107-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/852-109-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/852-111-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/852-113-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/852-115-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/852-117-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/852-119-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/852-121-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/852-576-0x0000000002160000-0x00000000021A4000-memory.dmp

memory/852-578-0x0000000004655000-0x0000000004666000-memory.dmp