Malware Analysis Report

2024-11-15 06:26

Sample ID 240618-r7zpwasepk
Target bc845411145abbed32e005d155ea59b8_JaffaCakes118
SHA256 0c72e81bc83b1b6b7c7e9d0f17d65ba0d469b5e5035bb4b38aed6728947745b3
Tags
agenttesla collection keylogger spyware stealer trojan upx
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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

0c72e81bc83b1b6b7c7e9d0f17d65ba0d469b5e5035bb4b38aed6728947745b3

Threat Level: Known bad

The file bc845411145abbed32e005d155ea59b8_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

agenttesla collection keylogger spyware stealer trojan upx

AgentTesla

AgentTesla payload

Reads WinSCP keys stored on the system

UPX packed file

Reads user/profile data of web browsers

Reads user/profile data of local email clients

Reads data files stored by FTP clients

Accesses Microsoft Outlook profiles

Suspicious use of SetThreadContext

Unsigned PE

Suspicious use of AdjustPrivilegeToken

outlook_office_path

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious behavior: RenamesItself

outlook_win_path

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-18 14:50

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-18 14:50

Reported

2024-06-18 14:53

Platform

win7-20240508-en

Max time kernel

142s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\bc845411145abbed32e005d155ea59b8_JaffaCakes118.exe"

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

AgentTesla payload

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

Reads WinSCP keys stored on the system

spyware stealer

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

UPX packed file

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

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\bc845411145abbed32e005d155ea59b8_JaffaCakes118.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\bc845411145abbed32e005d155ea59b8_JaffaCakes118.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\bc845411145abbed32e005d155ea59b8_JaffaCakes118.exe N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\bc845411145abbed32e005d155ea59b8_JaffaCakes118.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\bc845411145abbed32e005d155ea59b8_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bc845411145abbed32e005d155ea59b8_JaffaCakes118.exe N/A

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\bc845411145abbed32e005d155ea59b8_JaffaCakes118.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\bc845411145abbed32e005d155ea59b8_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\bc845411145abbed32e005d155ea59b8_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\bc845411145abbed32e005d155ea59b8_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\bc845411145abbed32e005d155ea59b8_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\bc845411145abbed32e005d155ea59b8_JaffaCakes118.exe"

Network

N/A

Files

memory/1232-0-0x0000000000220000-0x0000000000221000-memory.dmp

memory/1232-2-0x00000000002D0000-0x00000000002E0000-memory.dmp

memory/1232-3-0x00000000002F0000-0x00000000002F1000-memory.dmp

memory/2096-4-0x0000000000400000-0x0000000000485000-memory.dmp

memory/2096-8-0x0000000000400000-0x0000000000485000-memory.dmp

memory/2096-11-0x0000000000340000-0x000000000037C000-memory.dmp

memory/2096-12-0x0000000000400000-0x0000000000485000-memory.dmp

memory/2096-10-0x0000000000340000-0x000000000037C000-memory.dmp

memory/2096-9-0x0000000000400000-0x0000000000485000-memory.dmp

memory/2096-7-0x0000000000400000-0x0000000000485000-memory.dmp

memory/1232-5-0x0000000000400000-0x00000000004BB000-memory.dmp

memory/1232-1-0x00000000002D0000-0x00000000002E0000-memory.dmp

memory/2096-23-0x0000000000400000-0x0000000000485000-memory.dmp

memory/2096-24-0x0000000000400000-0x0000000000485000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-18 14:50

Reported

2024-06-18 14:53

Platform

win10v2004-20240611-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\bc845411145abbed32e005d155ea59b8_JaffaCakes118.exe"

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

AgentTesla payload

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

Reads WinSCP keys stored on the system

spyware stealer

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

UPX packed file

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

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\bc845411145abbed32e005d155ea59b8_JaffaCakes118.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\bc845411145abbed32e005d155ea59b8_JaffaCakes118.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\bc845411145abbed32e005d155ea59b8_JaffaCakes118.exe N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\bc845411145abbed32e005d155ea59b8_JaffaCakes118.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\bc845411145abbed32e005d155ea59b8_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bc845411145abbed32e005d155ea59b8_JaffaCakes118.exe N/A

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\bc845411145abbed32e005d155ea59b8_JaffaCakes118.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\bc845411145abbed32e005d155ea59b8_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\bc845411145abbed32e005d155ea59b8_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\bc845411145abbed32e005d155ea59b8_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\bc845411145abbed32e005d155ea59b8_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\bc845411145abbed32e005d155ea59b8_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 35.166.122.92.in-addr.arpa udp
US 8.8.8.8:53 138.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 203.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 13.173.189.20.in-addr.arpa udp

Files

memory/4604-0-0x0000000002250000-0x0000000002251000-memory.dmp

memory/4604-1-0x00000000022A0000-0x00000000022B0000-memory.dmp

memory/4484-6-0x0000000000400000-0x0000000000485000-memory.dmp

memory/4484-4-0x0000000000400000-0x0000000000485000-memory.dmp

memory/4604-11-0x0000000000400000-0x00000000004BB000-memory.dmp

memory/4484-12-0x0000000000400000-0x0000000000485000-memory.dmp

memory/4484-10-0x0000000000830000-0x000000000086C000-memory.dmp

memory/4484-9-0x0000000000830000-0x000000000086C000-memory.dmp

memory/4484-8-0x0000000000400000-0x0000000000485000-memory.dmp

memory/4484-7-0x0000000000400000-0x0000000000485000-memory.dmp

memory/4604-3-0x0000000002610000-0x0000000002611000-memory.dmp

memory/4484-23-0x0000000000400000-0x0000000000485000-memory.dmp

memory/4484-24-0x0000000004BD0000-0x0000000005174000-memory.dmp

memory/4484-25-0x0000000004AE0000-0x0000000004B72000-memory.dmp

memory/4484-26-0x0000000005300000-0x000000000539C000-memory.dmp

memory/4484-27-0x0000000005990000-0x00000000059A8000-memory.dmp

memory/4484-28-0x00000000059D0000-0x0000000005A36000-memory.dmp

memory/4484-37-0x00000000009C0000-0x0000000000A10000-memory.dmp

memory/4484-38-0x0000000000A80000-0x0000000000A8A000-memory.dmp