Malware Analysis Report

2024-11-30 18:48

Sample ID 220521-pdx8vaacgk
Target f073720cea2de6afedd9ae33af93a3ea5f077034274c262d8d484e5aa68dd471
SHA256 f073720cea2de6afedd9ae33af93a3ea5f077034274c262d8d484e5aa68dd471
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

f073720cea2de6afedd9ae33af93a3ea5f077034274c262d8d484e5aa68dd471

Threat Level: Known bad

The file f073720cea2de6afedd9ae33af93a3ea5f077034274c262d8d484e5aa68dd471 was found to be: Known bad.

Malicious Activity Summary

cheetahkeylogger agilenet collection keylogger spyware stealer

Cheetah Keylogger

Cheetah Keylogger Payload

Executes dropped EXE

Reads data files stored by FTP clients

Reads user/profile data of web browsers

Obfuscated with Agile.Net obfuscator

Loads dropped DLL

Reads user/profile data of local email clients

Accesses Microsoft Outlook profiles

Looks up external IP address via web service

Suspicious use of SetThreadContext

outlook_win_path

Suspicious use of AdjustPrivilegeToken

outlook_office_path

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-05-21 12:13

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-05-21 12:13

Reported

2022-05-21 12:27

Platform

win7-20220414-en

Max time kernel

89s

Max time network

96s

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-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\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-1-5-21-790309383-526510583-3802439154-1000\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 748 set thread context of 1700 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 748 wrote to memory of 1700 N/A C:\Users\Admin\AppData\Local\Temp\Payment confirmation.exe C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
PID 748 wrote to memory of 1700 N/A C:\Users\Admin\AppData\Local\Temp\Payment confirmation.exe C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
PID 748 wrote to memory of 1700 N/A C:\Users\Admin\AppData\Local\Temp\Payment confirmation.exe C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
PID 748 wrote to memory of 1700 N/A C:\Users\Admin\AppData\Local\Temp\Payment confirmation.exe C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
PID 748 wrote to memory of 1700 N/A C:\Users\Admin\AppData\Local\Temp\Payment confirmation.exe C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
PID 748 wrote to memory of 1700 N/A C:\Users\Admin\AppData\Local\Temp\Payment confirmation.exe C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
PID 748 wrote to memory of 1700 N/A C:\Users\Admin\AppData\Local\Temp\Payment confirmation.exe C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
PID 748 wrote to memory of 1700 N/A C:\Users\Admin\AppData\Local\Temp\Payment confirmation.exe C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
PID 748 wrote to memory of 1700 N/A C:\Users\Admin\AppData\Local\Temp\Payment confirmation.exe C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
PID 748 wrote to memory of 1700 N/A C:\Users\Admin\AppData\Local\Temp\Payment confirmation.exe C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
PID 748 wrote to memory of 1700 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-1-5-21-790309383-526510583-3802439154-1000\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-1-5-21-790309383-526510583-3802439154-1000\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/748-54-0x0000000000350000-0x00000000003AA000-memory.dmp

memory/748-55-0x00000000003D0000-0x00000000003E4000-memory.dmp

memory/748-56-0x00000000003F0000-0x00000000003F8000-memory.dmp

memory/748-57-0x0000000000410000-0x0000000000418000-memory.dmp

memory/748-58-0x0000000000460000-0x0000000000468000-memory.dmp

memory/748-59-0x0000000076811000-0x0000000076813000-memory.dmp

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

MD5 91c9ae9c9a17a9db5e08b120e668c74c
SHA1 50770954c1ceb0bb6f1d5d3f2de2a0a065773723
SHA256 e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f
SHA512 ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

memory/1700-61-0x0000000000400000-0x0000000000422000-memory.dmp

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

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

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

memory/1700-66-0x000000000041FE7E-mapping.dmp

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

MD5 91c9ae9c9a17a9db5e08b120e668c74c
SHA1 50770954c1ceb0bb6f1d5d3f2de2a0a065773723
SHA256 e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f
SHA512 ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

memory/1700-69-0x0000000000400000-0x0000000000422000-memory.dmp

memory/1700-71-0x0000000000400000-0x0000000000422000-memory.dmp

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

MD5 91c9ae9c9a17a9db5e08b120e668c74c
SHA1 50770954c1ceb0bb6f1d5d3f2de2a0a065773723
SHA256 e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f
SHA512 ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

memory/1700-73-0x0000000001E70000-0x0000000001EA6000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-05-21 12:13

Reported

2022-05-21 12:27

Platform

win10v2004-20220414-en

Max time kernel

151s

Max time network

155s

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-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\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-1-5-21-3751123196-3323558407-1869646069-1000\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 2684 set thread context of 2668 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-1-5-21-3751123196-3323558407-1869646069-1000\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-1-5-21-3751123196-3323558407-1869646069-1000\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 93.184.221.240:80 tcp
US 93.184.220.29:80 tcp
US 93.184.221.240:80 tcp
NL 104.97.14.81:80 tcp
US 13.107.4.50:80 tcp
IE 20.54.110.249:443 tcp
NL 104.97.14.80:80 tcp
NL 104.97.14.80:80 tcp
US 8.8.8.8:53 226.101.242.52.in-addr.arpa udp
US 20.42.65.89:443 tcp
US 8.8.8.8:53 9.9.0.0.0.0.0.0.0.0.0.0.0.0.0.0.3.0.0.0.2.0.0.0.0.2.0.1.3.0.6.2.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

Files

memory/2684-130-0x0000000000320000-0x000000000037A000-memory.dmp

memory/2684-131-0x00000000051B0000-0x0000000005754000-memory.dmp

memory/2684-132-0x0000000004D00000-0x0000000004D92000-memory.dmp

memory/2684-133-0x0000000005070000-0x00000000050B4000-memory.dmp

memory/2684-134-0x0000000005E90000-0x0000000005EB2000-memory.dmp

memory/2668-135-0x0000000000000000-mapping.dmp

memory/2668-136-0x0000000000400000-0x0000000000422000-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/2668-139-0x0000000005AE0000-0x0000000005B7C000-memory.dmp

memory/2668-140-0x00000000065A0000-0x0000000006762000-memory.dmp

memory/2668-141-0x0000000006A70000-0x0000000006AD6000-memory.dmp

memory/2668-142-0x0000000006FC0000-0x0000000006FCA000-memory.dmp