Malware Analysis Report

2024-11-30 18:46

Sample ID 220521-b5bl9sgagr
Target de6e2e7f6a62e423de92ab7063199beebaf2d4d02b1b4646963738d1a9c9bffe
SHA256 de6e2e7f6a62e423de92ab7063199beebaf2d4d02b1b4646963738d1a9c9bffe
Tags
cheetahkeylogger agilenet 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

de6e2e7f6a62e423de92ab7063199beebaf2d4d02b1b4646963738d1a9c9bffe

Threat Level: Known bad

The file de6e2e7f6a62e423de92ab7063199beebaf2d4d02b1b4646963738d1a9c9bffe was found to be: Known bad.

Malicious Activity Summary

cheetahkeylogger agilenet collection keylogger stealer

Cheetah Keylogger

Cheetah Keylogger Payload

Obfuscated with Agile.Net obfuscator

Looks up external IP address via web service

Accesses Microsoft Outlook profiles

Suspicious use of SetThreadContext

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

outlook_office_path

outlook_win_path

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-05-21 01:43

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-05-21 01:43

Reported

2022-05-21 02:34

Platform

win7-20220414-en

Max time kernel

83s

Max time network

88s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"

Signatures

Cheetah Keylogger

stealer keylogger cheetahkeylogger

Cheetah Keylogger Payload

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

Obfuscated with Agile.Net obfuscator

agilenet
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-1-5-21-1819626980-2277161760-1023733287-1000\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-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\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 1972 set thread context of 1308 N/A C:\Users\Admin\AppData\Local\Temp\Purchase Order.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\Purchase Order.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 1972 wrote to memory of 1308 N/A C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1972 wrote to memory of 1308 N/A C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1972 wrote to memory of 1308 N/A C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1972 wrote to memory of 1308 N/A C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1972 wrote to memory of 1308 N/A C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1972 wrote to memory of 1308 N/A C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1972 wrote to memory of 1308 N/A C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1972 wrote to memory of 1308 N/A C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1972 wrote to memory of 1308 N/A C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1972 wrote to memory of 1308 N/A C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1972 wrote to memory of 1308 N/A C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\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-1-5-21-1819626980-2277161760-1023733287-1000\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\Purchase Order.exe

"C:\Users\Admin\AppData\Local\Temp\Purchase Order.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.powersupplies.co.za udp
ZA 197.221.2.11:587 mail.powersupplies.co.za tcp

Files

memory/1972-54-0x0000000000AF0000-0x0000000000B5C000-memory.dmp

memory/1972-55-0x00000000001F0000-0x0000000000206000-memory.dmp

memory/1972-56-0x0000000075FE1000-0x0000000075FE3000-memory.dmp

memory/1972-57-0x0000000000230000-0x0000000000238000-memory.dmp

memory/1972-58-0x0000000000390000-0x0000000000398000-memory.dmp

memory/1972-59-0x0000000000570000-0x000000000057A000-memory.dmp

memory/1308-60-0x0000000000400000-0x0000000000422000-memory.dmp

memory/1308-61-0x0000000000400000-0x0000000000422000-memory.dmp

memory/1308-63-0x0000000000400000-0x0000000000422000-memory.dmp

memory/1308-64-0x0000000000400000-0x0000000000422000-memory.dmp

memory/1308-65-0x000000000041FE1E-mapping.dmp

memory/1308-67-0x0000000000400000-0x0000000000422000-memory.dmp

memory/1308-69-0x0000000000400000-0x0000000000422000-memory.dmp

memory/1308-70-0x0000000000340000-0x0000000000376000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-05-21 01:43

Reported

2022-05-21 02:35

Platform

win10v2004-20220414-en

Max time kernel

134s

Max time network

164s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"

Signatures

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\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-1-5-21-2632097139-1792035885-811742494-1000\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-1-5-21-2632097139-1792035885-811742494-1000\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 4476 set thread context of 4048 N/A C:\Users\Admin\AppData\Local\Temp\Purchase Order.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\Purchase Order.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe N/A

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\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-1-5-21-2632097139-1792035885-811742494-1000\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\Purchase Order.exe

"C:\Users\Admin\AppData\Local\Temp\Purchase Order.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 8.238.111.254:80 tcp
US 93.184.220.29:80 tcp
GB 51.105.71.136:443 tcp
US 8.238.111.254:80 tcp
US 8.238.111.254:80 tcp
US 8.238.111.254:80 tcp
US 8.8.8.8:53 ifconfig.me udp
US 34.117.59.81:80 ifconfig.me tcp
US 204.79.197.203:80 tcp
US 8.8.8.8:53 mail.powersupplies.co.za udp
ZA 197.221.2.11:587 mail.powersupplies.co.za tcp

Files

memory/4476-130-0x0000000000600000-0x000000000066C000-memory.dmp

memory/4476-131-0x0000000005CA0000-0x0000000006244000-memory.dmp

memory/4476-132-0x00000000057F0000-0x0000000005882000-memory.dmp

memory/4476-133-0x0000000006250000-0x0000000006294000-memory.dmp

memory/4476-134-0x0000000005C60000-0x0000000005C82000-memory.dmp

memory/4048-135-0x0000000000000000-mapping.dmp

memory/4048-136-0x0000000000400000-0x0000000000422000-memory.dmp

memory/4048-137-0x0000000005BE0000-0x0000000005C7C000-memory.dmp

memory/4048-138-0x0000000006660000-0x0000000006822000-memory.dmp

memory/4048-139-0x0000000006BE0000-0x0000000006C46000-memory.dmp

memory/4048-140-0x0000000007150000-0x000000000715A000-memory.dmp