Malware Analysis Report

2024-07-28 11:29

Sample ID 240613-d4a1fssgna
Target a3aff964829b39f8c7eedb35f7919ede_JaffaCakes118
SHA256 51b5341db8434526b7a1be0fabf272352c9afcc2b41eaf7d08641b2aad8bea34
Tags
collection spyware stealer
score
7/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

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
7/10

SHA256

51b5341db8434526b7a1be0fabf272352c9afcc2b41eaf7d08641b2aad8bea34

Threat Level: Shows suspicious behavior

The file a3aff964829b39f8c7eedb35f7919ede_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

collection spyware stealer

Reads user/profile data of web browsers

Reads user/profile data of local email clients

Reads data files stored by FTP clients

Reads WinSCP keys stored on the system

Accesses Microsoft Outlook profiles

Looks up external IP address via web service

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

outlook_office_path

outlook_win_path

MITRE ATT&CK Matrix V13

Initial Access
TA0001
Execution
TA0002
Persistence
TA0003
Privilege Escalation
TA0004
Defense Evasion
TA0005
Credential Access
TA0006
Unsecured Credentials
T1552
Credentials In Files
T1552.001
Credentials in Registry
T1552.002
Discovery
TA0007
Lateral Movement
TA0008
Collection
TA0009
Data from Local System
T1005
Email Collection
T1114
Exfiltration
TA0010
Command and Control
TA0011
Impact
TA0040
Resource Development
TA0042
Reconnaissance
TA0043

Analysis: static1

Detonation Overview

Reported

2024-06-13 03:33

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-13 03:33

Reported

2024-06-13 03:35

Platform

win7-20240611-en

Max time kernel

118s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a3aff964829b39f8c7eedb35f7919ede_JaffaCakes118.exe"

Signatures

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

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\a3aff964829b39f8c7eedb35f7919ede_JaffaCakes118.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\a3aff964829b39f8c7eedb35f7919ede_JaffaCakes118.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\a3aff964829b39f8c7eedb35f7919ede_JaffaCakes118.exe N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A checkip.dyndns.org N/A N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\a3aff964829b39f8c7eedb35f7919ede_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a3aff964829b39f8c7eedb35f7919ede_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a3aff964829b39f8c7eedb35f7919ede_JaffaCakes118.exe N/A

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\a3aff964829b39f8c7eedb35f7919ede_JaffaCakes118.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\a3aff964829b39f8c7eedb35f7919ede_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a3aff964829b39f8c7eedb35f7919ede_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a3aff964829b39f8c7eedb35f7919ede_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 checkip.dyndns.org udp
JP 132.226.8.169:80 checkip.dyndns.org tcp

Files

memory/2460-0-0x0000000074221000-0x0000000074222000-memory.dmp

memory/2460-1-0x0000000074220000-0x00000000747CB000-memory.dmp

memory/2460-2-0x0000000074220000-0x00000000747CB000-memory.dmp

memory/2460-3-0x0000000074220000-0x00000000747CB000-memory.dmp

memory/2460-4-0x0000000074220000-0x00000000747CB000-memory.dmp

memory/2460-5-0x0000000074220000-0x00000000747CB000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-13 03:33

Reported

2024-06-13 03:35

Platform

win10v2004-20240508-en

Max time kernel

147s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a3aff964829b39f8c7eedb35f7919ede_JaffaCakes118.exe"

Signatures

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

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\a3aff964829b39f8c7eedb35f7919ede_JaffaCakes118.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\a3aff964829b39f8c7eedb35f7919ede_JaffaCakes118.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\a3aff964829b39f8c7eedb35f7919ede_JaffaCakes118.exe N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A checkip.dyndns.org N/A N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\a3aff964829b39f8c7eedb35f7919ede_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a3aff964829b39f8c7eedb35f7919ede_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a3aff964829b39f8c7eedb35f7919ede_JaffaCakes118.exe N/A

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\a3aff964829b39f8c7eedb35f7919ede_JaffaCakes118.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\a3aff964829b39f8c7eedb35f7919ede_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a3aff964829b39f8c7eedb35f7919ede_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a3aff964829b39f8c7eedb35f7919ede_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 checkip.dyndns.org udp

Files

memory/1232-0-0x0000000074832000-0x0000000074833000-memory.dmp

memory/1232-1-0x0000000074830000-0x0000000074DE1000-memory.dmp

memory/1232-2-0x0000000074830000-0x0000000074DE1000-memory.dmp

memory/1232-3-0x0000000074830000-0x0000000074DE1000-memory.dmp

memory/1232-4-0x0000000074832000-0x0000000074833000-memory.dmp

memory/1232-5-0x0000000074830000-0x0000000074DE1000-memory.dmp