Malware Analysis Report

2024-11-30 18:48

Sample ID 220205-lqds7aaah2
Target d1acea1398cdd89532e97a2d897aa213ce4179d84d87ae0707696d764b925c38
SHA256 d1acea1398cdd89532e97a2d897aa213ce4179d84d87ae0707696d764b925c38
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

d1acea1398cdd89532e97a2d897aa213ce4179d84d87ae0707696d764b925c38

Threat Level: Known bad

The file d1acea1398cdd89532e97a2d897aa213ce4179d84d87ae0707696d764b925c38 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 09:43

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-02-05 09:43

Reported

2022-02-05 09:46

Platform

win7-en-20211208

Max time kernel

147s

Max time network

134s

Command Line

"C:\Users\Admin\AppData\Local\Temp\UIF Covid-19.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-1-5-21-3846991908-3261386348-1409841751-1000\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-1-5-21-3846991908-3261386348-1409841751-1000\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-1-5-21-3846991908-3261386348-1409841751-1000\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 SetThreadContext

Description Indicator Process Target
PID 1532 set thread context of 1156 N/A C:\Users\Admin\AppData\Local\Temp\UIF Covid-19.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\UIF Covid-19.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 1532 wrote to memory of 1156 N/A C:\Users\Admin\AppData\Local\Temp\UIF Covid-19.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1532 wrote to memory of 1156 N/A C:\Users\Admin\AppData\Local\Temp\UIF Covid-19.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1532 wrote to memory of 1156 N/A C:\Users\Admin\AppData\Local\Temp\UIF Covid-19.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1532 wrote to memory of 1156 N/A C:\Users\Admin\AppData\Local\Temp\UIF Covid-19.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1532 wrote to memory of 1156 N/A C:\Users\Admin\AppData\Local\Temp\UIF Covid-19.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1532 wrote to memory of 1156 N/A C:\Users\Admin\AppData\Local\Temp\UIF Covid-19.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1532 wrote to memory of 1156 N/A C:\Users\Admin\AppData\Local\Temp\UIF Covid-19.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1532 wrote to memory of 1156 N/A C:\Users\Admin\AppData\Local\Temp\UIF Covid-19.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1532 wrote to memory of 1156 N/A C:\Users\Admin\AppData\Local\Temp\UIF Covid-19.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1532 wrote to memory of 1156 N/A C:\Users\Admin\AppData\Local\Temp\UIF Covid-19.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1532 wrote to memory of 1156 N/A C:\Users\Admin\AppData\Local\Temp\UIF Covid-19.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\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-1-5-21-3846991908-3261386348-1409841751-1000\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\UIF Covid-19.exe

"C:\Users\Admin\AppData\Local\Temp\UIF Covid-19.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/1532-54-0x00000000009D0000-0x0000000000A30000-memory.dmp

memory/1532-55-0x0000000000220000-0x0000000000236000-memory.dmp

memory/1532-56-0x0000000004860000-0x0000000004861000-memory.dmp

memory/1156-57-0x0000000000400000-0x0000000000422000-memory.dmp

memory/1156-58-0x0000000000400000-0x0000000000422000-memory.dmp

memory/1156-59-0x0000000000400000-0x0000000000422000-memory.dmp

memory/1156-60-0x0000000000400000-0x0000000000422000-memory.dmp

memory/1156-61-0x0000000000400000-0x0000000000422000-memory.dmp

memory/1156-62-0x0000000000360000-0x0000000000396000-memory.dmp

memory/1156-63-0x0000000076491000-0x0000000076493000-memory.dmp

memory/1156-64-0x0000000004E30000-0x0000000004E31000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-02-05 09:43

Reported

2022-02-05 09:46

Platform

win10v2004-en-20220113

Max time kernel

13s

Max time network

17s

Command Line

"C:\Users\Admin\AppData\Local\Temp\UIF Covid-19.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

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\UIF Covid-19.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\UIF Covid-19.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\UIF Covid-19.exe

"C:\Users\Admin\AppData\Local\Temp\UIF Covid-19.exe"

C:\Windows\system32\svchost.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 settings-win.data.microsoft.com udp
US 52.167.17.97:443 settings-win.data.microsoft.com tcp
US 52.167.17.97:443 settings-win.data.microsoft.com tcp

Files

memory/1932-130-0x0000000000C80000-0x0000000000CE0000-memory.dmp

memory/1932-131-0x0000000005C80000-0x0000000006224000-memory.dmp

memory/1932-132-0x00000000056D0000-0x0000000005762000-memory.dmp

memory/1932-133-0x0000000005620000-0x0000000005642000-memory.dmp

memory/4728-134-0x000002B1C3160000-0x000002B1C3170000-memory.dmp

memory/4728-141-0x000002B1C5EE0000-0x000002B1C5EE4000-memory.dmp