Analysis
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max time kernel
150s -
max time network
52s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
14-06-2024 14:47
Static task
static1
Behavioral task
behavioral1
Sample
aa40c4ef4b203519caee4277630754e4_JaffaCakes118.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
aa40c4ef4b203519caee4277630754e4_JaffaCakes118.exe
Resource
win10v2004-20240508-en
General
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Target
aa40c4ef4b203519caee4277630754e4_JaffaCakes118.exe
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Size
1.1MB
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MD5
aa40c4ef4b203519caee4277630754e4
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SHA1
5c1f63e4c7508c4acbcce75cc774929353fb649d
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SHA256
ec9281b1e4cbbcb084368da146fd13f55d33aa8b7d8214cadbc0f6b707ef893f
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SHA512
fa97ca4d10bd262c48a7bdaa3be66f9e3584e3bcedecb57c263edf8bcde5feb73f4a204582044c102adcd88152765b3c97ded6dcabe0283f0cdbe236e30f18a2
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SSDEEP
24576:iFBrny7d7eqq2Z32fy/VCTK9kM/wAG8qJ5A0Cr:i4kV2h2fMgTK9kMXFqJ5ALr
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/1632-20-0x0000000000400000-0x0000000000541000-memory.dmp family_masslogger behavioral2/memory/1632-25-0x0000000000400000-0x0000000000541000-memory.dmp family_masslogger behavioral2/memory/1632-24-0x00000000009F0000-0x0000000000A8A000-memory.dmp family_masslogger behavioral2/memory/1632-23-0x00000000009F0000-0x0000000000A8A000-memory.dmp family_masslogger behavioral2/memory/1632-22-0x0000000000400000-0x0000000000541000-memory.dmp family_masslogger behavioral2/memory/1632-44-0x0000000000400000-0x0000000000541000-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 wertyytdf.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 3632 wertyytdf.exe 1632 wertyytdf.exe 3708 wertyytdf.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/1632-16-0x0000000000400000-0x0000000000541000-memory.dmp upx behavioral2/memory/1632-20-0x0000000000400000-0x0000000000541000-memory.dmp upx behavioral2/memory/1632-25-0x0000000000400000-0x0000000000541000-memory.dmp upx behavioral2/memory/1632-22-0x0000000000400000-0x0000000000541000-memory.dmp upx behavioral2/memory/1632-19-0x0000000000400000-0x0000000000541000-memory.dmp upx -
Accesses Microsoft Outlook profiles 1 TTPs 42 IoCs
description ioc Process Key queried \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 wertyytdf.exe Key opened \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 wertyytdf.exe Key queried \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 wertyytdf.exe Key queried \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Office\18.0\Outlook\Profiles\Outlook wertyytdf.exe Key created \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 wertyytdf.exe Key created \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 wertyytdf.exe Key created \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 wertyytdf.exe Key created \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Office\17.0\Outlook\Profiles\Outlook wertyytdf.exe Key created \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 wertyytdf.exe Key created \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 wertyytdf.exe Key created \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook wertyytdf.exe Key opened \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 wertyytdf.exe Key queried \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Office\17.0\Outlook\Profiles\Outlook wertyytdf.exe Key created \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 wertyytdf.exe Key opened \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 wertyytdf.exe Key created \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 wertyytdf.exe Key opened \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 wertyytdf.exe Key queried \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 wertyytdf.exe Key created \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 wertyytdf.exe Key queried \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 wertyytdf.exe Key created \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 wertyytdf.exe Key queried \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 wertyytdf.exe Key opened \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 wertyytdf.exe Key queried \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook wertyytdf.exe Key created \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 wertyytdf.exe Key opened \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 wertyytdf.exe Key created \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook wertyytdf.exe Key created \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Office\18.0\Outlook\Profiles\Outlook wertyytdf.exe Key created \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 wertyytdf.exe Key queried \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Office\19.0\Outlook\Profiles\Outlook wertyytdf.exe Key created \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook wertyytdf.exe Key queried \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook wertyytdf.exe Key created \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 wertyytdf.exe Key created \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 wertyytdf.exe Key queried \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook wertyytdf.exe Key created \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook wertyytdf.exe Key opened \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 wertyytdf.exe Key created \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 wertyytdf.exe Key queried \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 wertyytdf.exe Key queried \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 wertyytdf.exe Key created \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Office\19.0\Outlook\Profiles\Outlook wertyytdf.exe Key queried \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook wertyytdf.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 3632 set thread context of 1632 3632 wertyytdf.exe 87 -
NTFS ADS 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\appdata\wertyytdf.exe:ZoneIdentifier notepad.exe -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 1632 wertyytdf.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1496 aa40c4ef4b203519caee4277630754e4_JaffaCakes118.exe 1496 aa40c4ef4b203519caee4277630754e4_JaffaCakes118.exe 3632 wertyytdf.exe 3632 wertyytdf.exe 3708 wertyytdf.exe 3708 wertyytdf.exe 3708 wertyytdf.exe 3708 wertyytdf.exe 3708 wertyytdf.exe 3708 wertyytdf.exe 3708 wertyytdf.exe 3708 wertyytdf.exe 3708 wertyytdf.exe 3708 wertyytdf.exe 3708 wertyytdf.exe 3708 wertyytdf.exe 3708 wertyytdf.exe 3708 wertyytdf.exe 3708 wertyytdf.exe 3708 wertyytdf.exe 3708 wertyytdf.exe 3708 wertyytdf.exe 3708 wertyytdf.exe 3708 wertyytdf.exe 3708 wertyytdf.exe 3708 wertyytdf.exe 3708 wertyytdf.exe 3708 wertyytdf.exe 3708 wertyytdf.exe 3708 wertyytdf.exe 3708 wertyytdf.exe 3708 wertyytdf.exe 3708 wertyytdf.exe 3708 wertyytdf.exe 3708 wertyytdf.exe 3708 wertyytdf.exe 3708 wertyytdf.exe 3708 wertyytdf.exe 3708 wertyytdf.exe 3708 wertyytdf.exe 3708 wertyytdf.exe 3708 wertyytdf.exe 3708 wertyytdf.exe 3708 wertyytdf.exe 3708 wertyytdf.exe 3708 wertyytdf.exe 3708 wertyytdf.exe 3708 wertyytdf.exe 3708 wertyytdf.exe 3708 wertyytdf.exe 3708 wertyytdf.exe 3708 wertyytdf.exe 3708 wertyytdf.exe 3708 wertyytdf.exe 3708 wertyytdf.exe 3708 wertyytdf.exe 3708 wertyytdf.exe 3708 wertyytdf.exe 3708 wertyytdf.exe 3708 wertyytdf.exe 3708 wertyytdf.exe 3708 wertyytdf.exe 3708 wertyytdf.exe 3708 wertyytdf.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 3632 wertyytdf.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1632 wertyytdf.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1632 wertyytdf.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 1496 wrote to memory of 2092 1496 aa40c4ef4b203519caee4277630754e4_JaffaCakes118.exe 83 PID 1496 wrote to memory of 2092 1496 aa40c4ef4b203519caee4277630754e4_JaffaCakes118.exe 83 PID 1496 wrote to memory of 2092 1496 aa40c4ef4b203519caee4277630754e4_JaffaCakes118.exe 83 PID 1496 wrote to memory of 2092 1496 aa40c4ef4b203519caee4277630754e4_JaffaCakes118.exe 83 PID 1496 wrote to memory of 2092 1496 aa40c4ef4b203519caee4277630754e4_JaffaCakes118.exe 83 PID 2092 wrote to memory of 3632 2092 notepad.exe 85 PID 2092 wrote to memory of 3632 2092 notepad.exe 85 PID 2092 wrote to memory of 3632 2092 notepad.exe 85 PID 3632 wrote to memory of 1632 3632 wertyytdf.exe 87 PID 3632 wrote to memory of 1632 3632 wertyytdf.exe 87 PID 3632 wrote to memory of 1632 3632 wertyytdf.exe 87 PID 3632 wrote to memory of 3708 3632 wertyytdf.exe 88 PID 3632 wrote to memory of 3708 3632 wertyytdf.exe 88 PID 3632 wrote to memory of 3708 3632 wertyytdf.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 wertyytdf.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 wertyytdf.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\aa40c4ef4b203519caee4277630754e4_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\aa40c4ef4b203519caee4277630754e4_JaffaCakes118.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1496 -
C:\Windows\SysWOW64\notepad.exe"C:\Windows\system32\notepad.exe"2⤵
- Drops startup file
- NTFS ADS
- Suspicious use of WriteProcessMemory
PID:2092 -
C:\Users\Admin\AppData\Roaming\appdata\wertyytdf.exe"C:\Users\Admin\AppData\Roaming\appdata\wertyytdf.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3632 -
C:\Users\Admin\AppData\Roaming\appdata\wertyytdf.exe"C:\Users\Admin\AppData\Roaming\appdata\wertyytdf.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:1632
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C:\Users\Admin\AppData\Roaming\appdata\wertyytdf.exe"C:\Users\Admin\AppData\Roaming\appdata\wertyytdf.exe" 2 1632 2405983754⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:3708
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.1MB
MD5aa40c4ef4b203519caee4277630754e4
SHA15c1f63e4c7508c4acbcce75cc774929353fb649d
SHA256ec9281b1e4cbbcb084368da146fd13f55d33aa8b7d8214cadbc0f6b707ef893f
SHA512fa97ca4d10bd262c48a7bdaa3be66f9e3584e3bcedecb57c263edf8bcde5feb73f4a204582044c102adcd88152765b3c97ded6dcabe0283f0cdbe236e30f18a2