Malware Analysis Report

2024-10-23 21:32

Sample ID 220521-nck2fsddh6
Target b8c1012ee15a746b67962168115e165e638c337d2fa305741b57752218827d7e
SHA256 b8c1012ee15a746b67962168115e165e638c337d2fa305741b57752218827d7e
Tags
masslogger collection ransomware 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

b8c1012ee15a746b67962168115e165e638c337d2fa305741b57752218827d7e

Threat Level: Known bad

The file b8c1012ee15a746b67962168115e165e638c337d2fa305741b57752218827d7e was found to be: Known bad.

Malicious Activity Summary

masslogger collection ransomware spyware stealer

MassLogger log file

MassLogger

Executes dropped EXE

Reads user/profile data of web browsers

Checks computer location settings

Accesses Microsoft Outlook profiles

Looks up external IP address via web service

Suspicious use of SetThreadContext

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious use of SetWindowsHookEx

outlook_office_path

Suspicious behavior: AddClipboardFormatListener

outlook_win_path

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-05-21 11:15

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Reported

0001-01-01 00:00

Command Line

N/A

Signatures

N/A

Processes

N/A

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2022-05-21 11:15

Reported

2022-05-21 11:36

Platform

win10v2004-20220414-en

Max time kernel

101s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\RFQ #0605176.exe"

Signatures

MassLogger

stealer spyware masslogger

MassLogger log file

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

Executes dropped EXE

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

Reads user/profile data of web browsers

spyware stealer

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key queried \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe N/A
Key queried \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe N/A
Key queried \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe N/A
Key queried \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe N/A
Key queried \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe N/A
Key queried \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook C:\Users\Admin\AppData\Local\Temp\InstallUtil.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 5016 set thread context of 4720 N/A C:\Users\Admin\AppData\Local\Temp\RFQ #0605176.exe C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe

Suspicious behavior: AddClipboardFormatListener

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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\RFQ #0605176.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe N/A

Suspicious use of SetWindowsHookEx

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

outlook_office_path

Description Indicator Process Target
Key queried \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe N/A

outlook_win_path

Description Indicator Process Target
Key queried \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\RFQ #0605176.exe

"C:\Users\Admin\AppData\Local\Temp\RFQ #0605176.exe"

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

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

Network

Country Destination Domain Proto
NL 104.110.191.133:80 tcp
NL 104.110.191.133:80 tcp
US 20.42.73.26:443 tcp
GB 92.123.143.240:80 tcp
GB 92.123.143.240:80 tcp
GB 92.123.143.240:80 tcp
US 8.8.8.8:53 api.ipify.org udp
US 54.91.59.199:80 api.ipify.org tcp
US 8.8.8.8:53 15.89.54.20.in-addr.arpa udp
US 8.8.8.8:53 smtp.yandex.com udp
RU 77.88.21.158:587 smtp.yandex.com tcp

Files

memory/5016-130-0x0000000000A10000-0x0000000000B44000-memory.dmp

memory/5016-131-0x0000000005CF0000-0x0000000006294000-memory.dmp

memory/5016-133-0x00000000053C0000-0x00000000053E2000-memory.dmp

memory/5016-132-0x0000000005740000-0x0000000005784000-memory.dmp

memory/5016-134-0x0000000005830000-0x00000000058C2000-memory.dmp

memory/4720-135-0x0000000000000000-mapping.dmp

memory/4720-136-0x0000000000400000-0x00000000004A6000-memory.dmp

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

MD5 5d4073b2eb6d217c19f2b22f21bf8d57
SHA1 f0209900fbf08d004b886a0b3ba33ea2b0bf9da8
SHA256 ac1a3f21fcc88f9cee7bf51581eafba24cc76c924f0821deb2afdf1080ddf3d3
SHA512 9ac94880684933ba3407cdc135abc3047543436567af14cd9269c4adc5a6535db7b867d6de0d6238a21b94e69f9890dbb5739155871a624520623a7e56872159

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

MD5 5d4073b2eb6d217c19f2b22f21bf8d57
SHA1 f0209900fbf08d004b886a0b3ba33ea2b0bf9da8
SHA256 ac1a3f21fcc88f9cee7bf51581eafba24cc76c924f0821deb2afdf1080ddf3d3
SHA512 9ac94880684933ba3407cdc135abc3047543436567af14cd9269c4adc5a6535db7b867d6de0d6238a21b94e69f9890dbb5739155871a624520623a7e56872159

memory/4720-140-0x0000000000400000-0x00000000004A6000-memory.dmp

memory/4720-142-0x0000000000400000-0x00000000004A6000-memory.dmp

memory/4720-144-0x0000000000400000-0x00000000004A6000-memory.dmp

memory/4720-146-0x0000000000400000-0x00000000004A6000-memory.dmp

memory/4720-148-0x0000000000400000-0x00000000004A6000-memory.dmp

memory/4720-150-0x0000000000400000-0x00000000004A6000-memory.dmp

memory/4720-152-0x0000000000400000-0x00000000004A6000-memory.dmp

memory/4720-154-0x0000000000400000-0x00000000004A6000-memory.dmp

memory/4720-156-0x0000000000400000-0x00000000004A6000-memory.dmp

memory/4720-158-0x0000000000400000-0x00000000004A6000-memory.dmp

memory/4720-160-0x0000000000400000-0x00000000004A6000-memory.dmp

memory/4720-162-0x0000000000400000-0x00000000004A6000-memory.dmp

memory/4720-164-0x0000000000400000-0x00000000004A6000-memory.dmp

memory/4720-166-0x0000000000400000-0x00000000004A6000-memory.dmp

memory/4720-168-0x0000000000400000-0x00000000004A6000-memory.dmp

memory/4720-170-0x0000000000400000-0x00000000004A6000-memory.dmp

memory/4720-172-0x0000000000400000-0x00000000004A6000-memory.dmp

memory/4720-174-0x0000000000400000-0x00000000004A6000-memory.dmp

memory/4720-176-0x0000000000400000-0x00000000004A6000-memory.dmp

memory/4720-178-0x0000000000400000-0x00000000004A6000-memory.dmp

memory/4720-180-0x0000000000400000-0x00000000004A6000-memory.dmp

memory/4720-182-0x0000000000400000-0x00000000004A6000-memory.dmp

memory/4720-184-0x0000000000400000-0x00000000004A6000-memory.dmp

memory/4720-186-0x0000000000400000-0x00000000004A6000-memory.dmp

memory/4720-188-0x0000000000400000-0x00000000004A6000-memory.dmp

memory/4720-190-0x0000000000400000-0x00000000004A6000-memory.dmp

memory/4720-192-0x0000000000400000-0x00000000004A6000-memory.dmp

memory/4720-194-0x0000000000400000-0x00000000004A6000-memory.dmp

memory/4720-196-0x0000000000400000-0x00000000004A6000-memory.dmp

memory/4720-198-0x0000000000400000-0x00000000004A6000-memory.dmp

memory/4720-200-0x0000000000400000-0x00000000004A6000-memory.dmp

memory/4720-643-0x0000000005BF0000-0x0000000005C56000-memory.dmp

memory/4720-644-0x0000000006710000-0x000000000671A000-memory.dmp

memory/4720-645-0x0000000007FE0000-0x0000000008030000-memory.dmp

memory/4720-646-0x00000000080D0000-0x000000000816C000-memory.dmp