Malware Analysis Report

2025-01-03 07:38

Sample ID 241203-akrmbawlfr
Target bad8d6137259ef83582abfea9f4b2f17_JaffaCakes118
SHA256 1fbc3ddcd892c868cab037f43fcee5cd1dd67f5ce0ac882d851603bdc934ec43
Tags
discovery persistence blustealer stealer
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

1fbc3ddcd892c868cab037f43fcee5cd1dd67f5ce0ac882d851603bdc934ec43

Threat Level: Known bad

The file bad8d6137259ef83582abfea9f4b2f17_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

discovery persistence blustealer stealer

BluStealer

Blustealer family

Adds Run key to start application

Suspicious use of SetThreadContext

System Location Discovery: System Language Discovery

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-12-03 00:16

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-12-03 00:16

Reported

2024-12-03 00:19

Platform

win7-20240729-en

Max time kernel

59s

Max time network

16s

Command Line

"C:\Users\Admin\AppData\Local\Temp\bad8d6137259ef83582abfea9f4b2f17_JaffaCakes118.exe"

Signatures

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\paint = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\paint\\paint.exe\"" C:\Users\Admin\AppData\Local\Temp\bad8d6137259ef83582abfea9f4b2f17_JaffaCakes118.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\bad8d6137259ef83582abfea9f4b2f17_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\bad8d6137259ef83582abfea9f4b2f17_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bad8d6137259ef83582abfea9f4b2f17_JaffaCakes118.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\bad8d6137259ef83582abfea9f4b2f17_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2128 wrote to memory of 10444 N/A C:\Users\Admin\AppData\Local\Temp\bad8d6137259ef83582abfea9f4b2f17_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\bad8d6137259ef83582abfea9f4b2f17_JaffaCakes118.exe
PID 2128 wrote to memory of 10444 N/A C:\Users\Admin\AppData\Local\Temp\bad8d6137259ef83582abfea9f4b2f17_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\bad8d6137259ef83582abfea9f4b2f17_JaffaCakes118.exe
PID 2128 wrote to memory of 10444 N/A C:\Users\Admin\AppData\Local\Temp\bad8d6137259ef83582abfea9f4b2f17_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\bad8d6137259ef83582abfea9f4b2f17_JaffaCakes118.exe
PID 2128 wrote to memory of 10444 N/A C:\Users\Admin\AppData\Local\Temp\bad8d6137259ef83582abfea9f4b2f17_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\bad8d6137259ef83582abfea9f4b2f17_JaffaCakes118.exe
PID 2128 wrote to memory of 10444 N/A C:\Users\Admin\AppData\Local\Temp\bad8d6137259ef83582abfea9f4b2f17_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\bad8d6137259ef83582abfea9f4b2f17_JaffaCakes118.exe
PID 2128 wrote to memory of 10444 N/A C:\Users\Admin\AppData\Local\Temp\bad8d6137259ef83582abfea9f4b2f17_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\bad8d6137259ef83582abfea9f4b2f17_JaffaCakes118.exe
PID 2128 wrote to memory of 10444 N/A C:\Users\Admin\AppData\Local\Temp\bad8d6137259ef83582abfea9f4b2f17_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\bad8d6137259ef83582abfea9f4b2f17_JaffaCakes118.exe
PID 2128 wrote to memory of 10444 N/A C:\Users\Admin\AppData\Local\Temp\bad8d6137259ef83582abfea9f4b2f17_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\bad8d6137259ef83582abfea9f4b2f17_JaffaCakes118.exe
PID 2128 wrote to memory of 10444 N/A C:\Users\Admin\AppData\Local\Temp\bad8d6137259ef83582abfea9f4b2f17_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\bad8d6137259ef83582abfea9f4b2f17_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\bad8d6137259ef83582abfea9f4b2f17_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\bad8d6137259ef83582abfea9f4b2f17_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\bad8d6137259ef83582abfea9f4b2f17_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\bad8d6137259ef83582abfea9f4b2f17_JaffaCakes118.exe

Network

N/A

Files

memory/2128-0-0x00000000747AE000-0x00000000747AF000-memory.dmp

memory/2128-1-0x0000000000EE0000-0x0000000000F9C000-memory.dmp

memory/2128-2-0x00000000747A0000-0x0000000074E8E000-memory.dmp

memory/2128-3-0x00000000747AE000-0x00000000747AF000-memory.dmp

memory/2128-4-0x00000000747A0000-0x0000000074E8E000-memory.dmp

memory/2128-5-0x0000000004EF0000-0x0000000004F9A000-memory.dmp

memory/2128-6-0x00000000048E0000-0x0000000004958000-memory.dmp

memory/2128-24-0x00000000048E0000-0x0000000004952000-memory.dmp

memory/2128-7-0x00000000048E0000-0x0000000004952000-memory.dmp

memory/2128-40-0x00000000048E0000-0x0000000004952000-memory.dmp

memory/2128-8-0x00000000048E0000-0x0000000004952000-memory.dmp

memory/2128-10-0x00000000048E0000-0x0000000004952000-memory.dmp

memory/2128-12-0x00000000048E0000-0x0000000004952000-memory.dmp

memory/2128-14-0x00000000048E0000-0x0000000004952000-memory.dmp

memory/2128-36-0x00000000048E0000-0x0000000004952000-memory.dmp

memory/2128-70-0x00000000048E0000-0x0000000004952000-memory.dmp

memory/2128-68-0x00000000048E0000-0x0000000004952000-memory.dmp

memory/2128-66-0x00000000048E0000-0x0000000004952000-memory.dmp

memory/2128-64-0x00000000048E0000-0x0000000004952000-memory.dmp

memory/2128-62-0x00000000048E0000-0x0000000004952000-memory.dmp

memory/2128-60-0x00000000048E0000-0x0000000004952000-memory.dmp

memory/2128-58-0x00000000048E0000-0x0000000004952000-memory.dmp

memory/2128-56-0x00000000048E0000-0x0000000004952000-memory.dmp

memory/2128-54-0x00000000048E0000-0x0000000004952000-memory.dmp

memory/2128-52-0x00000000048E0000-0x0000000004952000-memory.dmp

memory/2128-50-0x00000000048E0000-0x0000000004952000-memory.dmp

memory/2128-48-0x00000000048E0000-0x0000000004952000-memory.dmp

memory/2128-46-0x00000000048E0000-0x0000000004952000-memory.dmp

memory/2128-44-0x00000000048E0000-0x0000000004952000-memory.dmp

memory/2128-42-0x00000000048E0000-0x0000000004952000-memory.dmp

memory/2128-38-0x00000000048E0000-0x0000000004952000-memory.dmp

memory/2128-34-0x00000000048E0000-0x0000000004952000-memory.dmp

memory/2128-32-0x00000000048E0000-0x0000000004952000-memory.dmp

memory/2128-30-0x00000000048E0000-0x0000000004952000-memory.dmp

memory/2128-28-0x00000000048E0000-0x0000000004952000-memory.dmp

memory/2128-26-0x00000000048E0000-0x0000000004952000-memory.dmp

memory/2128-22-0x00000000048E0000-0x0000000004952000-memory.dmp

memory/2128-20-0x00000000048E0000-0x0000000004952000-memory.dmp

memory/2128-18-0x00000000048E0000-0x0000000004952000-memory.dmp

memory/2128-16-0x00000000048E0000-0x0000000004952000-memory.dmp

memory/2128-2392-0x00000000747A0000-0x0000000074E8E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-12-03 00:16

Reported

2024-12-03 00:19

Platform

win10v2004-20241007-en

Max time kernel

95s

Max time network

137s

Command Line

"C:\Users\Admin\AppData\Local\Temp\bad8d6137259ef83582abfea9f4b2f17_JaffaCakes118.exe"

Signatures

BluStealer

stealer blustealer

Blustealer family

blustealer

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paint = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\paint\\paint.exe\"" C:\Users\Admin\AppData\Local\Temp\bad8d6137259ef83582abfea9f4b2f17_JaffaCakes118.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\bad8d6137259ef83582abfea9f4b2f17_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\bad8d6137259ef83582abfea9f4b2f17_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bad8d6137259ef83582abfea9f4b2f17_JaffaCakes118.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\bad8d6137259ef83582abfea9f4b2f17_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3668 wrote to memory of 1648 N/A C:\Users\Admin\AppData\Local\Temp\bad8d6137259ef83582abfea9f4b2f17_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\bad8d6137259ef83582abfea9f4b2f17_JaffaCakes118.exe
PID 3668 wrote to memory of 1648 N/A C:\Users\Admin\AppData\Local\Temp\bad8d6137259ef83582abfea9f4b2f17_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\bad8d6137259ef83582abfea9f4b2f17_JaffaCakes118.exe
PID 3668 wrote to memory of 1648 N/A C:\Users\Admin\AppData\Local\Temp\bad8d6137259ef83582abfea9f4b2f17_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\bad8d6137259ef83582abfea9f4b2f17_JaffaCakes118.exe
PID 3668 wrote to memory of 1648 N/A C:\Users\Admin\AppData\Local\Temp\bad8d6137259ef83582abfea9f4b2f17_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\bad8d6137259ef83582abfea9f4b2f17_JaffaCakes118.exe
PID 3668 wrote to memory of 1648 N/A C:\Users\Admin\AppData\Local\Temp\bad8d6137259ef83582abfea9f4b2f17_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\bad8d6137259ef83582abfea9f4b2f17_JaffaCakes118.exe
PID 3668 wrote to memory of 1648 N/A C:\Users\Admin\AppData\Local\Temp\bad8d6137259ef83582abfea9f4b2f17_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\bad8d6137259ef83582abfea9f4b2f17_JaffaCakes118.exe
PID 3668 wrote to memory of 1648 N/A C:\Users\Admin\AppData\Local\Temp\bad8d6137259ef83582abfea9f4b2f17_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\bad8d6137259ef83582abfea9f4b2f17_JaffaCakes118.exe
PID 3668 wrote to memory of 1648 N/A C:\Users\Admin\AppData\Local\Temp\bad8d6137259ef83582abfea9f4b2f17_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\bad8d6137259ef83582abfea9f4b2f17_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\bad8d6137259ef83582abfea9f4b2f17_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\bad8d6137259ef83582abfea9f4b2f17_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\bad8d6137259ef83582abfea9f4b2f17_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\bad8d6137259ef83582abfea9f4b2f17_JaffaCakes118.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 20.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp

Files

memory/3668-0-0x0000000074B5E000-0x0000000074B5F000-memory.dmp

memory/3668-1-0x0000000000190000-0x000000000024C000-memory.dmp

memory/3668-2-0x0000000004FC0000-0x0000000005564000-memory.dmp

memory/3668-3-0x0000000004AF0000-0x0000000004B82000-memory.dmp

memory/3668-4-0x0000000004AD0000-0x0000000004ADA000-memory.dmp

memory/3668-5-0x0000000074B50000-0x0000000075300000-memory.dmp

memory/3668-6-0x0000000005CF0000-0x0000000005D66000-memory.dmp

memory/3668-7-0x0000000074B5E000-0x0000000074B5F000-memory.dmp

memory/3668-8-0x0000000074B50000-0x0000000075300000-memory.dmp

memory/3668-9-0x0000000005D70000-0x0000000005E1A000-memory.dmp

memory/3668-10-0x0000000005CC0000-0x0000000005CDE000-memory.dmp

memory/3668-11-0x00000000060E0000-0x0000000006158000-memory.dmp

memory/3668-29-0x00000000060E0000-0x0000000006152000-memory.dmp

memory/3668-27-0x00000000060E0000-0x0000000006152000-memory.dmp

memory/3668-75-0x00000000060E0000-0x0000000006152000-memory.dmp

memory/3668-71-0x00000000060E0000-0x0000000006152000-memory.dmp

memory/3668-69-0x00000000060E0000-0x0000000006152000-memory.dmp

memory/3668-67-0x00000000060E0000-0x0000000006152000-memory.dmp

memory/3668-65-0x00000000060E0000-0x0000000006152000-memory.dmp

memory/3668-63-0x00000000060E0000-0x0000000006152000-memory.dmp

memory/3668-61-0x00000000060E0000-0x0000000006152000-memory.dmp

memory/3668-59-0x00000000060E0000-0x0000000006152000-memory.dmp

memory/3668-57-0x00000000060E0000-0x0000000006152000-memory.dmp

memory/3668-55-0x00000000060E0000-0x0000000006152000-memory.dmp

memory/3668-53-0x00000000060E0000-0x0000000006152000-memory.dmp

memory/3668-51-0x00000000060E0000-0x0000000006152000-memory.dmp

memory/3668-47-0x00000000060E0000-0x0000000006152000-memory.dmp

memory/3668-45-0x00000000060E0000-0x0000000006152000-memory.dmp

memory/3668-43-0x00000000060E0000-0x0000000006152000-memory.dmp

memory/3668-41-0x00000000060E0000-0x0000000006152000-memory.dmp

memory/3668-39-0x00000000060E0000-0x0000000006152000-memory.dmp

memory/3668-37-0x00000000060E0000-0x0000000006152000-memory.dmp

memory/3668-35-0x00000000060E0000-0x0000000006152000-memory.dmp

memory/3668-33-0x00000000060E0000-0x0000000006152000-memory.dmp

memory/3668-31-0x00000000060E0000-0x0000000006152000-memory.dmp

memory/3668-25-0x00000000060E0000-0x0000000006152000-memory.dmp

memory/3668-23-0x00000000060E0000-0x0000000006152000-memory.dmp

memory/3668-22-0x00000000060E0000-0x0000000006152000-memory.dmp

memory/3668-19-0x00000000060E0000-0x0000000006152000-memory.dmp

memory/3668-17-0x00000000060E0000-0x0000000006152000-memory.dmp

memory/3668-15-0x00000000060E0000-0x0000000006152000-memory.dmp

memory/3668-13-0x00000000060E0000-0x0000000006152000-memory.dmp

memory/3668-73-0x00000000060E0000-0x0000000006152000-memory.dmp

memory/3668-49-0x00000000060E0000-0x0000000006152000-memory.dmp

memory/3668-12-0x00000000060E0000-0x0000000006152000-memory.dmp

memory/1648-2387-0x0000000000400000-0x0000000000476000-memory.dmp

memory/3668-2390-0x0000000074B50000-0x0000000075300000-memory.dmp

memory/1648-2391-0x0000000000400000-0x0000000000476000-memory.dmp