Malware Analysis Report

2024-11-30 18:46

Sample ID 220521-n2c25shfbp
Target d70b1d7ebfde15715b3e63d8b4cf75c9025de1e3744d83c78278d7e939d459de
SHA256 d70b1d7ebfde15715b3e63d8b4cf75c9025de1e3744d83c78278d7e939d459de
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

d70b1d7ebfde15715b3e63d8b4cf75c9025de1e3744d83c78278d7e939d459de

Threat Level: Known bad

The file d70b1d7ebfde15715b3e63d8b4cf75c9025de1e3744d83c78278d7e939d459de was found to be: Known bad.

Malicious Activity Summary

cheetahkeylogger agilenet collection keylogger stealer

Cheetah Keylogger

Cheetah Keylogger Payload

Obfuscated with Agile.Net obfuscator

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 behavior: EnumeratesProcesses

outlook_office_path

outlook_win_path

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-05-21 11:53

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-05-21 11:53

Reported

2022-05-21 12:02

Platform

win7-20220414-en

Max time kernel

148s

Max time network

190s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d70b1d7ebfde15715b3e63d8b4cf75c9025de1e3744d83c78278d7e939d459de.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-1-5-21-1083475884-596052423-1669053738-1000\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-1-5-21-1083475884-596052423-1669053738-1000\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-1-5-21-1083475884-596052423-1669053738-1000\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\d70b1d7ebfde15715b3e63d8b4cf75c9025de1e3744d83c78278d7e939d459de.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 1904 wrote to memory of 1844 N/A C:\Users\Admin\AppData\Local\Temp\d70b1d7ebfde15715b3e63d8b4cf75c9025de1e3744d83c78278d7e939d459de.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1904 wrote to memory of 1844 N/A C:\Users\Admin\AppData\Local\Temp\d70b1d7ebfde15715b3e63d8b4cf75c9025de1e3744d83c78278d7e939d459de.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1904 wrote to memory of 1844 N/A C:\Users\Admin\AppData\Local\Temp\d70b1d7ebfde15715b3e63d8b4cf75c9025de1e3744d83c78278d7e939d459de.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1904 wrote to memory of 1844 N/A C:\Users\Admin\AppData\Local\Temp\d70b1d7ebfde15715b3e63d8b4cf75c9025de1e3744d83c78278d7e939d459de.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1904 wrote to memory of 1844 N/A C:\Users\Admin\AppData\Local\Temp\d70b1d7ebfde15715b3e63d8b4cf75c9025de1e3744d83c78278d7e939d459de.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1904 wrote to memory of 1844 N/A C:\Users\Admin\AppData\Local\Temp\d70b1d7ebfde15715b3e63d8b4cf75c9025de1e3744d83c78278d7e939d459de.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1904 wrote to memory of 1844 N/A C:\Users\Admin\AppData\Local\Temp\d70b1d7ebfde15715b3e63d8b4cf75c9025de1e3744d83c78278d7e939d459de.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1904 wrote to memory of 1844 N/A C:\Users\Admin\AppData\Local\Temp\d70b1d7ebfde15715b3e63d8b4cf75c9025de1e3744d83c78278d7e939d459de.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1904 wrote to memory of 1844 N/A C:\Users\Admin\AppData\Local\Temp\d70b1d7ebfde15715b3e63d8b4cf75c9025de1e3744d83c78278d7e939d459de.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1904 wrote to memory of 1844 N/A C:\Users\Admin\AppData\Local\Temp\d70b1d7ebfde15715b3e63d8b4cf75c9025de1e3744d83c78278d7e939d459de.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1904 wrote to memory of 1844 N/A C:\Users\Admin\AppData\Local\Temp\d70b1d7ebfde15715b3e63d8b4cf75c9025de1e3744d83c78278d7e939d459de.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\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-1-5-21-1083475884-596052423-1669053738-1000\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\d70b1d7ebfde15715b3e63d8b4cf75c9025de1e3744d83c78278d7e939d459de.exe

"C:\Users\Admin\AppData\Local\Temp\d70b1d7ebfde15715b3e63d8b4cf75c9025de1e3744d83c78278d7e939d459de.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/1904-54-0x00000000011B0000-0x000000000120E000-memory.dmp

memory/1904-55-0x00000000003C0000-0x00000000003D8000-memory.dmp

memory/1904-56-0x0000000074F91000-0x0000000074F93000-memory.dmp

memory/1844-57-0x0000000000400000-0x0000000000422000-memory.dmp

memory/1844-58-0x0000000000400000-0x0000000000422000-memory.dmp

memory/1844-60-0x0000000000400000-0x0000000000422000-memory.dmp

memory/1844-61-0x0000000000400000-0x0000000000422000-memory.dmp

memory/1844-62-0x000000000041FE6E-mapping.dmp

memory/1844-64-0x0000000000400000-0x0000000000422000-memory.dmp

memory/1844-66-0x0000000000400000-0x0000000000422000-memory.dmp

memory/1844-67-0x0000000000430000-0x0000000000466000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-05-21 11:53

Reported

2022-05-21 12:01

Platform

win10v2004-20220414-en

Max time kernel

90s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d70b1d7ebfde15715b3e63d8b4cf75c9025de1e3744d83c78278d7e939d459de.exe"

Signatures

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\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-1-5-21-1809750270-3141839489-3074374771-1000\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-1-5-21-1809750270-3141839489-3074374771-1000\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\d70b1d7ebfde15715b3e63d8b4cf75c9025de1e3744d83c78278d7e939d459de.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-1-5-21-1809750270-3141839489-3074374771-1000\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-1-5-21-1809750270-3141839489-3074374771-1000\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\d70b1d7ebfde15715b3e63d8b4cf75c9025de1e3744d83c78278d7e939d459de.exe

"C:\Users\Admin\AppData\Local\Temp\d70b1d7ebfde15715b3e63d8b4cf75c9025de1e3744d83c78278d7e939d459de.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
NL 104.97.14.81:80 tcp
US 52.109.12.19:443 tcp
NL 52.178.17.2:443 tcp
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
NL 104.110.191.133:80 tcp
NL 104.110.191.133:80 tcp
FR 2.18.109.224:443 tcp
US 104.18.24.243:80 tcp
NL 104.123.41.162:80 tcp

Files

memory/4124-130-0x0000000000660000-0x00000000006BE000-memory.dmp

memory/4124-131-0x0000000004EA0000-0x0000000004EC2000-memory.dmp

memory/4124-132-0x0000000005C20000-0x00000000061C4000-memory.dmp

memory/4124-133-0x0000000005770000-0x0000000005802000-memory.dmp

memory/4124-134-0x0000000005B40000-0x0000000005B84000-memory.dmp

memory/3460-135-0x0000000000000000-mapping.dmp

memory/3460-137-0x0000000000170000-0x0000000000192000-memory.dmp

memory/3460-138-0x0000000004F30000-0x0000000004FCC000-memory.dmp

memory/3460-139-0x00000000059B0000-0x0000000005B72000-memory.dmp

memory/3460-140-0x0000000005E30000-0x0000000005E96000-memory.dmp

memory/3460-141-0x0000000006290000-0x000000000629A000-memory.dmp