Malware Analysis Report

2024-11-30 18:47

Sample ID 220521-pfqxjsfbh6
Target c7400c649c1c3ad7a04c518c406e7bf07208c122118e840e4a91d8c99aff2373
SHA256 c7400c649c1c3ad7a04c518c406e7bf07208c122118e840e4a91d8c99aff2373
Tags
cheetahkeylogger agilenet collection keylogger 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

c7400c649c1c3ad7a04c518c406e7bf07208c122118e840e4a91d8c99aff2373

Threat Level: Known bad

The file c7400c649c1c3ad7a04c518c406e7bf07208c122118e840e4a91d8c99aff2373 was found to be: Known bad.

Malicious Activity Summary

cheetahkeylogger agilenet collection keylogger spyware stealer

Cheetah Keylogger Payload

Cheetah Keylogger

Executes dropped EXE

Obfuscated with Agile.Net obfuscator

Reads user/profile data of web browsers

Reads data files stored by FTP clients

Loads dropped DLL

Reads user/profile data of local email clients

Looks up external IP address via web service

Accesses Microsoft Outlook profiles

Suspicious use of SetThreadContext

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

2022-05-21 12:16

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-05-21 12:16

Reported

2022-05-21 13:07

Platform

win7-20220414-en

Max time kernel

73s

Max time network

77s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Payment confirmation.exe"

Signatures

Cheetah Keylogger

stealer keylogger cheetahkeylogger

Cheetah Keylogger Payload

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

Loads dropped DLL

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

Obfuscated with Agile.Net obfuscator

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

Reads data files stored by FTP clients

spyware stealer

Reads user/profile data of local email clients

spyware stealer

Reads user/profile data of web browsers

spyware stealer

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:\Users\Admin\AppData\Local\Temp\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:\Users\Admin\AppData\Local\Temp\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:\Users\Admin\AppData\Local\Temp\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 1968 set thread context of 1820 N/A C:\Users\Admin\AppData\Local\Temp\Payment confirmation.exe C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe

Suspicious use of AdjustPrivilegeToken

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1968 wrote to memory of 1820 N/A C:\Users\Admin\AppData\Local\Temp\Payment confirmation.exe C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
PID 1968 wrote to memory of 1820 N/A C:\Users\Admin\AppData\Local\Temp\Payment confirmation.exe C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
PID 1968 wrote to memory of 1820 N/A C:\Users\Admin\AppData\Local\Temp\Payment confirmation.exe C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
PID 1968 wrote to memory of 1820 N/A C:\Users\Admin\AppData\Local\Temp\Payment confirmation.exe C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
PID 1968 wrote to memory of 1820 N/A C:\Users\Admin\AppData\Local\Temp\Payment confirmation.exe C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
PID 1968 wrote to memory of 1820 N/A C:\Users\Admin\AppData\Local\Temp\Payment confirmation.exe C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
PID 1968 wrote to memory of 1820 N/A C:\Users\Admin\AppData\Local\Temp\Payment confirmation.exe C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
PID 1968 wrote to memory of 1820 N/A C:\Users\Admin\AppData\Local\Temp\Payment confirmation.exe C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
PID 1968 wrote to memory of 1820 N/A C:\Users\Admin\AppData\Local\Temp\Payment confirmation.exe C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
PID 1968 wrote to memory of 1820 N/A C:\Users\Admin\AppData\Local\Temp\Payment confirmation.exe C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
PID 1968 wrote to memory of 1820 N/A C:\Users\Admin\AppData\Local\Temp\Payment confirmation.exe C:\Users\Admin\AppData\Local\Temp\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:\Users\Admin\AppData\Local\Temp\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:\Users\Admin\AppData\Local\Temp\InstallUtil.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\Payment confirmation.exe

"C:\Users\Admin\AppData\Local\Temp\Payment confirmation.exe"

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

"C:\Users\Admin\AppData\Local\Temp\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.aviner.co.za udp
ZA 102.130.117.53:587 mail.aviner.co.za tcp

Files

memory/1968-54-0x00000000011B0000-0x000000000120A000-memory.dmp

memory/1968-55-0x0000000000240000-0x0000000000254000-memory.dmp

memory/1968-56-0x0000000000360000-0x0000000000368000-memory.dmp

memory/1968-57-0x0000000000380000-0x0000000000388000-memory.dmp

memory/1968-58-0x00000000003D0000-0x00000000003D8000-memory.dmp

memory/1968-59-0x0000000075EF1000-0x0000000075EF3000-memory.dmp

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

MD5 91c9ae9c9a17a9db5e08b120e668c74c
SHA1 50770954c1ceb0bb6f1d5d3f2de2a0a065773723
SHA256 e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f
SHA512 ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

memory/1820-61-0x0000000000400000-0x0000000000424000-memory.dmp

memory/1820-62-0x0000000000400000-0x0000000000424000-memory.dmp

memory/1820-64-0x0000000000400000-0x0000000000424000-memory.dmp

memory/1820-65-0x0000000000400000-0x0000000000424000-memory.dmp

memory/1820-66-0x000000000042006E-mapping.dmp

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

MD5 91c9ae9c9a17a9db5e08b120e668c74c
SHA1 50770954c1ceb0bb6f1d5d3f2de2a0a065773723
SHA256 e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f
SHA512 ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

memory/1820-69-0x0000000000400000-0x0000000000424000-memory.dmp

memory/1820-71-0x0000000000400000-0x0000000000424000-memory.dmp

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

MD5 91c9ae9c9a17a9db5e08b120e668c74c
SHA1 50770954c1ceb0bb6f1d5d3f2de2a0a065773723
SHA256 e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f
SHA512 ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

memory/1820-73-0x00000000007E0000-0x0000000000816000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-05-21 12:16

Reported

2022-05-21 13:07

Platform

win10v2004-20220414-en

Max time kernel

179s

Max time network

196s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Payment confirmation.exe"

Signatures

Executes dropped EXE

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

Reads data files stored by FTP clients

spyware stealer

Reads user/profile data of local email clients

spyware stealer

Reads user/profile data of web browsers

spyware stealer

Accesses Microsoft Outlook profiles

collection
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:\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 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

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 2352 set thread context of 2864 N/A C:\Users\Admin\AppData\Local\Temp\Payment confirmation.exe C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe

Suspicious use of AdjustPrivilegeToken

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

Processes

C:\Users\Admin\AppData\Local\Temp\Payment confirmation.exe

"C:\Users\Admin\AppData\Local\Temp\Payment confirmation.exe"

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

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

Network

Country Destination Domain Proto
US 93.184.220.29:80 tcp
US 209.197.3.8:80 tcp
IE 20.190.159.5:443 tcp
NL 104.110.191.140:80 tcp
NL 104.110.191.140:80 tcp
IE 20.190.159.1:443 tcp
US 8.8.8.8:53 14.110.152.52.in-addr.arpa udp
IE 20.190.159.72:443 tcp
US 8.8.8.8:53 6.9.0.0.0.0.0.0.0.0.0.0.0.0.0.0.3.0.0.0.3.0.4.0.0.3.0.1.3.0.6.2.ip6.arpa udp
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.aviner.co.za udp
ZA 102.130.117.53:587 mail.aviner.co.za tcp
IE 20.190.159.3:443 tcp
US 93.184.220.29:80 tcp
US 8.248.21.254:80 tcp

Files

memory/2352-130-0x0000000000660000-0x00000000006BA000-memory.dmp

memory/2352-131-0x00000000055A0000-0x0000000005B44000-memory.dmp

memory/2352-132-0x0000000005090000-0x0000000005122000-memory.dmp

memory/2352-133-0x00000000052E0000-0x0000000005324000-memory.dmp

memory/2352-134-0x0000000006250000-0x0000000006272000-memory.dmp

memory/2864-135-0x0000000000000000-mapping.dmp

memory/2864-136-0x0000000000400000-0x0000000000424000-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/2864-139-0x0000000005B80000-0x0000000005C1C000-memory.dmp

memory/2864-140-0x0000000006630000-0x00000000067F2000-memory.dmp

memory/2864-141-0x0000000006B00000-0x0000000006B66000-memory.dmp

memory/2864-142-0x00000000070A0000-0x00000000070AA000-memory.dmp