Malware Analysis Report

2024-11-30 18:47

Sample ID 220205-pgaa7abbh8
Target 9e2a002527bd520f50a4844c8381e89a09e3489a239766120d63db503eb97910
SHA256 9e2a002527bd520f50a4844c8381e89a09e3489a239766120d63db503eb97910
Tags
cheetahkeylogger collection keylogger 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

9e2a002527bd520f50a4844c8381e89a09e3489a239766120d63db503eb97910

Threat Level: Known bad

The file 9e2a002527bd520f50a4844c8381e89a09e3489a239766120d63db503eb97910 was found to be: Known bad.

Malicious Activity Summary

cheetahkeylogger collection keylogger stealer

Cheetah Keylogger

Cheetah Keylogger Payload

Accesses Microsoft Outlook profiles

Looks up external IP address via web service

Suspicious use of SetThreadContext

Drops file in Windows directory

Suspicious use of WriteProcessMemory

outlook_office_path

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

outlook_win_path

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-02-05 12:17

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-02-05 12:17

Reported

2022-02-05 12:20

Platform

win7-en-20211208

Max time kernel

89s

Max time network

93s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9e2a002527bd520f50a4844c8381e89a09e3489a239766120d63db503eb97910.exe"

Signatures

Cheetah Keylogger

stealer keylogger cheetahkeylogger

Cheetah Keylogger Payload

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

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A ifconfig.me N/A N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\9e2a002527bd520f50a4844c8381e89a09e3489a239766120d63db503eb97910.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1136 wrote to memory of 1660 N/A C:\Users\Admin\AppData\Local\Temp\9e2a002527bd520f50a4844c8381e89a09e3489a239766120d63db503eb97910.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1136 wrote to memory of 1660 N/A C:\Users\Admin\AppData\Local\Temp\9e2a002527bd520f50a4844c8381e89a09e3489a239766120d63db503eb97910.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1136 wrote to memory of 1660 N/A C:\Users\Admin\AppData\Local\Temp\9e2a002527bd520f50a4844c8381e89a09e3489a239766120d63db503eb97910.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1136 wrote to memory of 1660 N/A C:\Users\Admin\AppData\Local\Temp\9e2a002527bd520f50a4844c8381e89a09e3489a239766120d63db503eb97910.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1136 wrote to memory of 1660 N/A C:\Users\Admin\AppData\Local\Temp\9e2a002527bd520f50a4844c8381e89a09e3489a239766120d63db503eb97910.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1136 wrote to memory of 1660 N/A C:\Users\Admin\AppData\Local\Temp\9e2a002527bd520f50a4844c8381e89a09e3489a239766120d63db503eb97910.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1136 wrote to memory of 1660 N/A C:\Users\Admin\AppData\Local\Temp\9e2a002527bd520f50a4844c8381e89a09e3489a239766120d63db503eb97910.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1136 wrote to memory of 1660 N/A C:\Users\Admin\AppData\Local\Temp\9e2a002527bd520f50a4844c8381e89a09e3489a239766120d63db503eb97910.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1136 wrote to memory of 1660 N/A C:\Users\Admin\AppData\Local\Temp\9e2a002527bd520f50a4844c8381e89a09e3489a239766120d63db503eb97910.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1136 wrote to memory of 1660 N/A C:\Users\Admin\AppData\Local\Temp\9e2a002527bd520f50a4844c8381e89a09e3489a239766120d63db503eb97910.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1136 wrote to memory of 1660 N/A C:\Users\Admin\AppData\Local\Temp\9e2a002527bd520f50a4844c8381e89a09e3489a239766120d63db503eb97910.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\9e2a002527bd520f50a4844c8381e89a09e3489a239766120d63db503eb97910.exe

"C:\Users\Admin\AppData\Local\Temp\9e2a002527bd520f50a4844c8381e89a09e3489a239766120d63db503eb97910.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 ifconfig.me udp
US 34.117.59.81:80 ifconfig.me tcp
US 8.8.8.8:53 mail.baconplumbing.co.za udp
ZA 156.38.200.58:587 mail.baconplumbing.co.za tcp

Files

memory/1136-55-0x0000000000350000-0x00000000003B4000-memory.dmp

memory/1136-56-0x0000000000650000-0x0000000000672000-memory.dmp

memory/1136-57-0x0000000004CC0000-0x0000000004CC1000-memory.dmp

memory/1136-58-0x00000000763B1000-0x00000000763B3000-memory.dmp

memory/1660-59-0x0000000000400000-0x0000000000422000-memory.dmp

memory/1660-60-0x0000000000400000-0x0000000000422000-memory.dmp

memory/1660-61-0x0000000000400000-0x0000000000422000-memory.dmp

memory/1660-62-0x0000000000400000-0x0000000000422000-memory.dmp

memory/1660-63-0x0000000000400000-0x0000000000422000-memory.dmp

memory/1660-64-0x0000000000560000-0x0000000000596000-memory.dmp

memory/1660-65-0x0000000004AC0000-0x0000000004AC1000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-02-05 12:17

Reported

2022-02-05 12:20

Platform

win10v2004-en-20220113

Max time kernel

78s

Max time network

130s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9e2a002527bd520f50a4844c8381e89a09e3489a239766120d63db503eb97910.exe"

Signatures

Drops file in Windows directory

Description Indicator Process Target
File opened for modification C:\Windows\WindowsUpdate.log C:\Windows\system32\svchost.exe N/A
File opened for modification C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk C:\Windows\system32\svchost.exe N/A
File opened for modification C:\Windows\SoftwareDistribution\DataStore\Logs\edb.log C:\Windows\system32\svchost.exe N/A
File opened for modification C:\Windows\SoftwareDistribution\DataStore\DataStore.edb C:\Windows\system32\svchost.exe N/A
File opened for modification C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm C:\Windows\system32\svchost.exe N/A
File opened for modification C:\Windows\SoftwareDistribution\ReportingEvents.log C:\Windows\system32\svchost.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\9e2a002527bd520f50a4844c8381e89a09e3489a239766120d63db503eb97910.exe N/A
Token: SeShutdownPrivilege N/A C:\Windows\system32\svchost.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\system32\svchost.exe N/A
Token: SeShutdownPrivilege N/A C:\Windows\system32\svchost.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\system32\svchost.exe N/A
Token: SeShutdownPrivilege N/A C:\Windows\system32\svchost.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\system32\svchost.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\9e2a002527bd520f50a4844c8381e89a09e3489a239766120d63db503eb97910.exe

"C:\Users\Admin\AppData\Local\Temp\9e2a002527bd520f50a4844c8381e89a09e3489a239766120d63db503eb97910.exe"

C:\Windows\system32\svchost.exe

C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"

Network

Country Destination Domain Proto
NL 20.190.160.134:443 tcp
US 8.8.8.8:53 settings-win.data.microsoft.com udp
NL 51.124.78.146:443 settings-win.data.microsoft.com tcp
NL 51.124.78.146:443 settings-win.data.microsoft.com tcp
US 209.197.3.8:80 tcp
US 209.197.3.8:80 tcp
NL 51.124.78.146:443 settings-win.data.microsoft.com tcp
NL 51.124.78.146:443 settings-win.data.microsoft.com tcp
NL 51.124.78.146:443 settings-win.data.microsoft.com tcp

Files

memory/824-130-0x00000000004F0000-0x0000000000554000-memory.dmp

memory/824-131-0x0000000004DA0000-0x0000000004E06000-memory.dmp

memory/824-132-0x0000000004EB0000-0x0000000004F42000-memory.dmp

memory/824-133-0x0000000005120000-0x00000000052E2000-memory.dmp

memory/824-134-0x0000000004D30000-0x0000000004D52000-memory.dmp

memory/824-135-0x0000000004E10000-0x0000000004E32000-memory.dmp

memory/824-136-0x00000000058A0000-0x0000000005E44000-memory.dmp

memory/824-137-0x00000000052F0000-0x0000000005894000-memory.dmp

memory/5096-150-0x0000016035B90000-0x0000016035B94000-memory.dmp

memory/824-151-0x0000000005590000-0x00000000055D4000-memory.dmp

memory/2228-152-0x0000000000400000-0x0000000000422000-memory.dmp