Analysis
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max time kernel
150s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20240730-en -
resource tags
arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system -
submitted
01/08/2024, 21:35
Static task
static1
Behavioral task
behavioral1
Sample
81cec0a80f6895d0210b921db90917fd_JaffaCakes118.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
81cec0a80f6895d0210b921db90917fd_JaffaCakes118.exe
Resource
win10v2004-20240730-en
Behavioral task
behavioral3
Sample
TMonitor/TMonitor.exe
Resource
win7-20240708-en
General
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Target
81cec0a80f6895d0210b921db90917fd_JaffaCakes118.exe
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Size
90KB
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MD5
81cec0a80f6895d0210b921db90917fd
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SHA1
0b086722123d4b6d17082a99a1c0f76cdd49baff
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SHA256
72961492ec678e75561186f01c01d9562a4a01291fd8b4bc1319c55df60c4579
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SHA512
666e26a6720caa08bcc03200e6e8b69395ade0d0419e85ac551641c3b326dbfb56fee27dc7f2b2c995d64b07a304a7af90126450f7b01faaff82b1c3f2080dca
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SSDEEP
1536:IpgpHzb9dZVX9fHMvG0D3XJySnZZZZiECbCXa8ZCDy/JRiBMo4:+gXdZt9P6D3XJX6hCXfZC+/Je4
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 1524 tmonitor.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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Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files (x86)\TMonitor\TMonitor.exe 81cec0a80f6895d0210b921db90917fd_JaffaCakes118.exe File opened for modification C:\Program Files (x86)\TMonitor\tmonitor.exe 81cec0a80f6895d0210b921db90917fd_JaffaCakes118.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 81cec0a80f6895d0210b921db90917fd_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language tmonitor.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2292 81cec0a80f6895d0210b921db90917fd_JaffaCakes118.exe -
Suspicious use of SendNotifyMessage 1 IoCs
pid Process 2292 81cec0a80f6895d0210b921db90917fd_JaffaCakes118.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1524 tmonitor.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2292 wrote to memory of 1524 2292 81cec0a80f6895d0210b921db90917fd_JaffaCakes118.exe 86 PID 2292 wrote to memory of 1524 2292 81cec0a80f6895d0210b921db90917fd_JaffaCakes118.exe 86 PID 2292 wrote to memory of 1524 2292 81cec0a80f6895d0210b921db90917fd_JaffaCakes118.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\81cec0a80f6895d0210b921db90917fd_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\81cec0a80f6895d0210b921db90917fd_JaffaCakes118.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2292 -
C:\Program Files (x86)\TMonitor\tmonitor.exe"C:\Program Files (x86)\TMonitor\tmonitor.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:1524
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
39KB
MD588982a682c91c1d25336563fd1fa09fd
SHA18034df410637a61266736018d8364fa9346fe6c3
SHA256da347ceacc50bfa9a0f4e9b529b7945007de4a99504f898c8bfa613961444ec1
SHA512fc1e20bb6d3f40bd616daa9dc1b3438bd6cfac515298e7dfd8d0f1b72cd2ede98e9ae4071d8d9866775b594bef4e92a5447a86df700bd5a10c629edac87e101b