Malware Analysis Report

2024-11-30 18:46

Sample ID 220227-ezh1yadahl
Target 6eb63858afa241915034f0e38ef048db360a6a1af4cd1a2f10f26de9712805c5
SHA256 6eb63858afa241915034f0e38ef048db360a6a1af4cd1a2f10f26de9712805c5
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

6eb63858afa241915034f0e38ef048db360a6a1af4cd1a2f10f26de9712805c5

Threat Level: Known bad

The file 6eb63858afa241915034f0e38ef048db360a6a1af4cd1a2f10f26de9712805c5 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 local email clients

Loads dropped DLL

Reads user/profile data of web browsers

Reads data files stored by FTP 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 use of AdjustPrivilegeToken

outlook_win_path

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-02-27 04:22

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-02-27 04:22

Reported

2022-02-27 04:25

Platform

win7-20220223-en

Max time kernel

4294183s

Max time network

145s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6eb63858afa241915034f0e38ef048db360a6a1af4cd1a2f10f26de9712805c5.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

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-1-5-21-1405931862-909307831-4085185274-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-1405931862-909307831-4085185274-1000\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-1-5-21-1405931862-909307831-4085185274-1000\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 844 set thread context of 1700 N/A C:\Users\Admin\AppData\Local\Temp\6eb63858afa241915034f0e38ef048db360a6a1af4cd1a2f10f26de9712805c5.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\6eb63858afa241915034f0e38ef048db360a6a1af4cd1a2f10f26de9712805c5.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 844 wrote to memory of 1700 N/A C:\Users\Admin\AppData\Local\Temp\6eb63858afa241915034f0e38ef048db360a6a1af4cd1a2f10f26de9712805c5.exe C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
PID 844 wrote to memory of 1700 N/A C:\Users\Admin\AppData\Local\Temp\6eb63858afa241915034f0e38ef048db360a6a1af4cd1a2f10f26de9712805c5.exe C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
PID 844 wrote to memory of 1700 N/A C:\Users\Admin\AppData\Local\Temp\6eb63858afa241915034f0e38ef048db360a6a1af4cd1a2f10f26de9712805c5.exe C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
PID 844 wrote to memory of 1700 N/A C:\Users\Admin\AppData\Local\Temp\6eb63858afa241915034f0e38ef048db360a6a1af4cd1a2f10f26de9712805c5.exe C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
PID 844 wrote to memory of 1700 N/A C:\Users\Admin\AppData\Local\Temp\6eb63858afa241915034f0e38ef048db360a6a1af4cd1a2f10f26de9712805c5.exe C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
PID 844 wrote to memory of 1700 N/A C:\Users\Admin\AppData\Local\Temp\6eb63858afa241915034f0e38ef048db360a6a1af4cd1a2f10f26de9712805c5.exe C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
PID 844 wrote to memory of 1700 N/A C:\Users\Admin\AppData\Local\Temp\6eb63858afa241915034f0e38ef048db360a6a1af4cd1a2f10f26de9712805c5.exe C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
PID 844 wrote to memory of 1700 N/A C:\Users\Admin\AppData\Local\Temp\6eb63858afa241915034f0e38ef048db360a6a1af4cd1a2f10f26de9712805c5.exe C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
PID 844 wrote to memory of 1700 N/A C:\Users\Admin\AppData\Local\Temp\6eb63858afa241915034f0e38ef048db360a6a1af4cd1a2f10f26de9712805c5.exe C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
PID 844 wrote to memory of 1700 N/A C:\Users\Admin\AppData\Local\Temp\6eb63858afa241915034f0e38ef048db360a6a1af4cd1a2f10f26de9712805c5.exe C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
PID 844 wrote to memory of 1700 N/A C:\Users\Admin\AppData\Local\Temp\6eb63858afa241915034f0e38ef048db360a6a1af4cd1a2f10f26de9712805c5.exe C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-1405931862-909307831-4085185274-1000\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-1-5-21-1405931862-909307831-4085185274-1000\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\6eb63858afa241915034f0e38ef048db360a6a1af4cd1a2f10f26de9712805c5.exe

"C:\Users\Admin\AppData\Local\Temp\6eb63858afa241915034f0e38ef048db360a6a1af4cd1a2f10f26de9712805c5.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/844-54-0x0000000000E20000-0x0000000000E7A000-memory.dmp

memory/844-55-0x000000007437E000-0x000000007437F000-memory.dmp

memory/844-56-0x0000000000550000-0x0000000000564000-memory.dmp

memory/844-57-0x0000000000750000-0x0000000000758000-memory.dmp

memory/844-58-0x0000000000770000-0x0000000000778000-memory.dmp

memory/844-59-0x0000000004340000-0x0000000004341000-memory.dmp

memory/844-60-0x0000000000780000-0x0000000000788000-memory.dmp

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

MD5 91c9ae9c9a17a9db5e08b120e668c74c
SHA1 50770954c1ceb0bb6f1d5d3f2de2a0a065773723
SHA256 e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f
SHA512 ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

memory/1700-62-0x0000000000400000-0x0000000000422000-memory.dmp

memory/1700-63-0x0000000000400000-0x0000000000422000-memory.dmp

memory/1700-64-0x0000000000400000-0x0000000000422000-memory.dmp

memory/1700-65-0x0000000000400000-0x0000000000422000-memory.dmp

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

MD5 91c9ae9c9a17a9db5e08b120e668c74c
SHA1 50770954c1ceb0bb6f1d5d3f2de2a0a065773723
SHA256 e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f
SHA512 ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

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

MD5 91c9ae9c9a17a9db5e08b120e668c74c
SHA1 50770954c1ceb0bb6f1d5d3f2de2a0a065773723
SHA256 e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f
SHA512 ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

memory/1700-68-0x0000000000400000-0x0000000000422000-memory.dmp

memory/1700-69-0x00000000003A0000-0x00000000003D6000-memory.dmp

memory/1700-71-0x0000000004B70000-0x0000000004B71000-memory.dmp

memory/1700-70-0x000000007437E000-0x000000007437F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-02-27 04:22

Reported

2022-02-27 04:25

Platform

win10v2004-en-20220112

Max time kernel

117s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6eb63858afa241915034f0e38ef048db360a6a1af4cd1a2f10f26de9712805c5.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-1-5-21-790714498-1549421491-1643397139-1000\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-1-5-21-790714498-1549421491-1643397139-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\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 2744 set thread context of 3680 N/A C:\Users\Admin\AppData\Local\Temp\6eb63858afa241915034f0e38ef048db360a6a1af4cd1a2f10f26de9712805c5.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\6eb63858afa241915034f0e38ef048db360a6a1af4cd1a2f10f26de9712805c5.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-1-5-21-790714498-1549421491-1643397139-1000\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-1-5-21-790714498-1549421491-1643397139-1000\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\6eb63858afa241915034f0e38ef048db360a6a1af4cd1a2f10f26de9712805c5.exe

"C:\Users\Admin\AppData\Local\Temp\6eb63858afa241915034f0e38ef048db360a6a1af4cd1a2f10f26de9712805c5.exe"

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

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

Network

Country Destination Domain Proto
US 8.238.20.254:80 tcp
US 8.238.20.254:80 tcp
US 8.8.8.8:53 geo.prod.do.dsp.mp.microsoft.com udp
US 52.179.216.235:443 geo.prod.do.dsp.mp.microsoft.com tcp
US 8.8.8.8:53 kv801.prod.do.dsp.mp.microsoft.com udp
NL 184.29.205.60:443 kv801.prod.do.dsp.mp.microsoft.com tcp
US 8.8.8.8:53 cp801.prod.do.dsp.mp.microsoft.com udp
NL 184.29.205.60:443 cp801.prod.do.dsp.mp.microsoft.com tcp
NL 184.29.205.60:443 cp801.prod.do.dsp.mp.microsoft.com tcp
NL 104.80.224.57:443 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.aviner.co.za udp
ZA 102.130.117.53:587 mail.aviner.co.za tcp

Files

memory/2744-130-0x00000000000F0000-0x000000000014A000-memory.dmp

memory/2744-131-0x00000000746FE000-0x00000000746FF000-memory.dmp

memory/2744-132-0x0000000005000000-0x00000000055A4000-memory.dmp

memory/2744-133-0x0000000004AF0000-0x0000000004B82000-memory.dmp

memory/2744-134-0x0000000004F10000-0x0000000004F54000-memory.dmp

memory/2744-135-0x0000000004AE0000-0x0000000004AE1000-memory.dmp

memory/2744-136-0x0000000004AE1000-0x0000000004AE2000-memory.dmp

memory/2744-137-0x0000000005D70000-0x0000000005D92000-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/3680-141-0x00000000001C0000-0x00000000001E2000-memory.dmp

memory/3680-142-0x0000000004F00000-0x0000000004F9C000-memory.dmp

memory/3680-143-0x00000000746FE000-0x00000000746FF000-memory.dmp

memory/3680-144-0x0000000004A20000-0x0000000004A21000-memory.dmp

memory/3680-145-0x0000000005960000-0x0000000005B22000-memory.dmp

memory/3680-146-0x0000000005EA0000-0x0000000005F06000-memory.dmp

memory/3680-147-0x00000000062E0000-0x00000000062EA000-memory.dmp