Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
18-06-2024 17:31
Static task
static1
Behavioral task
behavioral1
Sample
bd229dbb74bdb0ff7b1fcd5946fbf9ab_JaffaCakes118.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
bd229dbb74bdb0ff7b1fcd5946fbf9ab_JaffaCakes118.exe
Resource
win10v2004-20240508-en
General
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Target
bd229dbb74bdb0ff7b1fcd5946fbf9ab_JaffaCakes118.exe
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Size
1.1MB
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MD5
bd229dbb74bdb0ff7b1fcd5946fbf9ab
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SHA1
c0862662de74148178cecfc258c56ac877860c37
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SHA256
cc487ddc590416f6a94cc808247bbdeaf25b35cf01c41f5be2024049d7e2f61d
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SHA512
5edd6d1c69f89d63de6c6bd6ba2a6a1bdf8885c90e266f59d958c304d76a30b4c01c75cc0b1db7e6c22b2ee0af92e1133ab6b53ae512169575ccdfd027cee680
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SSDEEP
24576:OFBrny7d7eqq2Z32f5daxAosPQbN2BZdbGBjQPec:O4kV2h2fDOA9PQbSZdq5y
Malware Config
Signatures
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MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
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MassLogger Main payload 6 IoCs
resource yara_rule behavioral2/memory/2484-25-0x0000000000400000-0x0000000000541000-memory.dmp family_masslogger behavioral2/memory/2484-24-0x0000000000A60000-0x0000000000AFA000-memory.dmp family_masslogger behavioral2/memory/2484-23-0x0000000000A60000-0x0000000000AFA000-memory.dmp family_masslogger behavioral2/memory/2484-22-0x0000000000400000-0x0000000000541000-memory.dmp family_masslogger behavioral2/memory/2484-20-0x0000000000400000-0x0000000000541000-memory.dmp family_masslogger behavioral2/memory/2484-44-0x0000000000400000-0x0000000000541000-memory.dmp family_masslogger -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation bjsbjsf.exe -
Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\win.vbs notepad.exe -
Executes dropped EXE 3 IoCs
pid Process 3220 bjsbjsf.exe 2484 bjsbjsf.exe 4988 bjsbjsf.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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resource yara_rule behavioral2/memory/2484-19-0x0000000000400000-0x0000000000541000-memory.dmp upx behavioral2/memory/2484-25-0x0000000000400000-0x0000000000541000-memory.dmp upx behavioral2/memory/2484-22-0x0000000000400000-0x0000000000541000-memory.dmp upx behavioral2/memory/2484-20-0x0000000000400000-0x0000000000541000-memory.dmp upx behavioral2/memory/2484-16-0x0000000000400000-0x0000000000541000-memory.dmp upx -
Accesses Microsoft Outlook profiles 1 TTPs 42 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook bjsbjsf.exe Key created \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 bjsbjsf.exe Key created \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Office\17.0\Outlook\Profiles\Outlook bjsbjsf.exe Key created \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 bjsbjsf.exe Key created \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 bjsbjsf.exe Key created \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 bjsbjsf.exe Key queried \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 bjsbjsf.exe Key created \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 bjsbjsf.exe Key created \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook bjsbjsf.exe Key queried \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook bjsbjsf.exe Key created \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 bjsbjsf.exe Key opened \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 bjsbjsf.exe Key created \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 bjsbjsf.exe Key created \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook bjsbjsf.exe Key created \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 bjsbjsf.exe Key queried \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook bjsbjsf.exe Key queried \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Office\17.0\Outlook\Profiles\Outlook bjsbjsf.exe Key created \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 bjsbjsf.exe Key queried \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Office\18.0\Outlook\Profiles\Outlook bjsbjsf.exe Key queried \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 bjsbjsf.exe Key opened \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 bjsbjsf.exe Key queried \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook bjsbjsf.exe Key queried \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 bjsbjsf.exe Key created \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Office\19.0\Outlook\Profiles\Outlook bjsbjsf.exe Key opened \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 bjsbjsf.exe Key queried \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 bjsbjsf.exe Key opened \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 bjsbjsf.exe Key queried \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook bjsbjsf.exe Key created \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 bjsbjsf.exe Key queried \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 bjsbjsf.exe Key opened \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 bjsbjsf.exe Key created \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 bjsbjsf.exe Key opened \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 bjsbjsf.exe Key queried \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 bjsbjsf.exe Key opened \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 bjsbjsf.exe Key created \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Office\18.0\Outlook\Profiles\Outlook bjsbjsf.exe Key created \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 bjsbjsf.exe Key queried \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Office\19.0\Outlook\Profiles\Outlook bjsbjsf.exe Key created \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 bjsbjsf.exe Key queried \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 bjsbjsf.exe Key created \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 bjsbjsf.exe Key created \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook bjsbjsf.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 2 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3220 set thread context of 2484 3220 bjsbjsf.exe 87 -
NTFS ADS 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\appdata\bjsbjsf.exe:ZoneIdentifier notepad.exe -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 2484 bjsbjsf.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3344 bd229dbb74bdb0ff7b1fcd5946fbf9ab_JaffaCakes118.exe 3344 bd229dbb74bdb0ff7b1fcd5946fbf9ab_JaffaCakes118.exe 3220 bjsbjsf.exe 3220 bjsbjsf.exe 4988 bjsbjsf.exe 4988 bjsbjsf.exe 4988 bjsbjsf.exe 4988 bjsbjsf.exe 4988 bjsbjsf.exe 4988 bjsbjsf.exe 4988 bjsbjsf.exe 4988 bjsbjsf.exe 4988 bjsbjsf.exe 4988 bjsbjsf.exe 4988 bjsbjsf.exe 4988 bjsbjsf.exe 4988 bjsbjsf.exe 4988 bjsbjsf.exe 4988 bjsbjsf.exe 4988 bjsbjsf.exe 4988 bjsbjsf.exe 4988 bjsbjsf.exe 4988 bjsbjsf.exe 4988 bjsbjsf.exe 4988 bjsbjsf.exe 4988 bjsbjsf.exe 4988 bjsbjsf.exe 4988 bjsbjsf.exe 4988 bjsbjsf.exe 4988 bjsbjsf.exe 4988 bjsbjsf.exe 4988 bjsbjsf.exe 4988 bjsbjsf.exe 4988 bjsbjsf.exe 4988 bjsbjsf.exe 4988 bjsbjsf.exe 4988 bjsbjsf.exe 4988 bjsbjsf.exe 4988 bjsbjsf.exe 4988 bjsbjsf.exe 4988 bjsbjsf.exe 4988 bjsbjsf.exe 4988 bjsbjsf.exe 4988 bjsbjsf.exe 4988 bjsbjsf.exe 4988 bjsbjsf.exe 4988 bjsbjsf.exe 4988 bjsbjsf.exe 4988 bjsbjsf.exe 4988 bjsbjsf.exe 4988 bjsbjsf.exe 4988 bjsbjsf.exe 4988 bjsbjsf.exe 4988 bjsbjsf.exe 4988 bjsbjsf.exe 4988 bjsbjsf.exe 4988 bjsbjsf.exe 4988 bjsbjsf.exe 4988 bjsbjsf.exe 4988 bjsbjsf.exe 4988 bjsbjsf.exe 4988 bjsbjsf.exe 4988 bjsbjsf.exe 4988 bjsbjsf.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 3220 bjsbjsf.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2484 bjsbjsf.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2484 bjsbjsf.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 3344 wrote to memory of 3092 3344 bd229dbb74bdb0ff7b1fcd5946fbf9ab_JaffaCakes118.exe 83 PID 3344 wrote to memory of 3092 3344 bd229dbb74bdb0ff7b1fcd5946fbf9ab_JaffaCakes118.exe 83 PID 3344 wrote to memory of 3092 3344 bd229dbb74bdb0ff7b1fcd5946fbf9ab_JaffaCakes118.exe 83 PID 3344 wrote to memory of 3092 3344 bd229dbb74bdb0ff7b1fcd5946fbf9ab_JaffaCakes118.exe 83 PID 3344 wrote to memory of 3092 3344 bd229dbb74bdb0ff7b1fcd5946fbf9ab_JaffaCakes118.exe 83 PID 3092 wrote to memory of 3220 3092 notepad.exe 85 PID 3092 wrote to memory of 3220 3092 notepad.exe 85 PID 3092 wrote to memory of 3220 3092 notepad.exe 85 PID 3220 wrote to memory of 2484 3220 bjsbjsf.exe 87 PID 3220 wrote to memory of 2484 3220 bjsbjsf.exe 87 PID 3220 wrote to memory of 2484 3220 bjsbjsf.exe 87 PID 3220 wrote to memory of 4988 3220 bjsbjsf.exe 88 PID 3220 wrote to memory of 4988 3220 bjsbjsf.exe 88 PID 3220 wrote to memory of 4988 3220 bjsbjsf.exe 88 -
outlook_office_path 1 IoCs
description ioc Process Key queried \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 bjsbjsf.exe -
outlook_win_path 1 IoCs
description ioc Process Key queried \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 bjsbjsf.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\bd229dbb74bdb0ff7b1fcd5946fbf9ab_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\bd229dbb74bdb0ff7b1fcd5946fbf9ab_JaffaCakes118.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3344 -
C:\Windows\SysWOW64\notepad.exe"C:\Windows\system32\notepad.exe"2⤵
- Drops startup file
- NTFS ADS
- Suspicious use of WriteProcessMemory
PID:3092 -
C:\Users\Admin\AppData\Roaming\appdata\bjsbjsf.exe"C:\Users\Admin\AppData\Roaming\appdata\bjsbjsf.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3220 -
C:\Users\Admin\AppData\Roaming\appdata\bjsbjsf.exe"C:\Users\Admin\AppData\Roaming\appdata\bjsbjsf.exe"4⤵
- Checks computer location settings
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:2484
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C:\Users\Admin\AppData\Roaming\appdata\bjsbjsf.exe"C:\Users\Admin\AppData\Roaming\appdata\bjsbjsf.exe" 2 2484 2406034214⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:4988
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.1MB
MD5bd229dbb74bdb0ff7b1fcd5946fbf9ab
SHA1c0862662de74148178cecfc258c56ac877860c37
SHA256cc487ddc590416f6a94cc808247bbdeaf25b35cf01c41f5be2024049d7e2f61d
SHA5125edd6d1c69f89d63de6c6bd6ba2a6a1bdf8885c90e266f59d958c304d76a30b4c01c75cc0b1db7e6c22b2ee0af92e1133ab6b53ae512169575ccdfd027cee680