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Analysis
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max time kernel
95s -
max time network
97s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
25/09/2024, 17:24
Static task
static1
Behavioral task
behavioral1
Sample
f67fcbc55e6ff59bd37bc72cc5de178b_JaffaCakes118.exe
Resource
win7-20240903-en
General
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Target
f67fcbc55e6ff59bd37bc72cc5de178b_JaffaCakes118.exe
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Size
311KB
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MD5
f67fcbc55e6ff59bd37bc72cc5de178b
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SHA1
00bdb5a6f30c17404482f43e7fe72bcde0a2dfc2
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SHA256
7a93b3d18a91b70cbf5f63e2b93686dc90f2c1c241ec92f128c6e40bd1e2ba3e
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SHA512
22b059cb6d6dd6765d1e03d37a541d4ffcc6089687f54377cd21f2c7e34a89e6195115fbc90fd284412f462c8d885a653fc458f43be745faef9f4dfde81a895a
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SSDEEP
6144:xFLaRhPNsDQl/IZZ00wJJQPXvNXvQVG25PlaACWaX9lJBHg62EHi:xNUhPlA0UPfNXKGWPEfNlJBHgQ
Malware Config
Signatures
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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-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation f67fcbc55e6ff59bd37bc72cc5de178b_JaffaCakes118.exe -
Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\appvernom.lnk appvernom.exe -
Executes dropped EXE 2 IoCs
pid Process 1812 appvernom.exe 3592 appvernom.exe -
Obfuscated with Agile.Net obfuscator 1 IoCs
Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.
resource yara_rule behavioral2/memory/1648-3-0x0000000003230000-0x0000000003258000-memory.dmp agile_net -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1812 set thread context of 3592 1812 appvernom.exe 97 -
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 4 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 appvernom.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f67fcbc55e6ff59bd37bc72cc5de178b_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language explorer.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1648 f67fcbc55e6ff59bd37bc72cc5de178b_JaffaCakes118.exe 1812 appvernom.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1648 f67fcbc55e6ff59bd37bc72cc5de178b_JaffaCakes118.exe Token: SeDebugPrivilege 1812 appvernom.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 1648 wrote to memory of 3368 1648 f67fcbc55e6ff59bd37bc72cc5de178b_JaffaCakes118.exe 82 PID 1648 wrote to memory of 3368 1648 f67fcbc55e6ff59bd37bc72cc5de178b_JaffaCakes118.exe 82 PID 1648 wrote to memory of 3368 1648 f67fcbc55e6ff59bd37bc72cc5de178b_JaffaCakes118.exe 82 PID 1648 wrote to memory of 2336 1648 f67fcbc55e6ff59bd37bc72cc5de178b_JaffaCakes118.exe 91 PID 1648 wrote to memory of 2336 1648 f67fcbc55e6ff59bd37bc72cc5de178b_JaffaCakes118.exe 91 PID 1648 wrote to memory of 2336 1648 f67fcbc55e6ff59bd37bc72cc5de178b_JaffaCakes118.exe 91 PID 2516 wrote to memory of 1812 2516 explorer.exe 94 PID 2516 wrote to memory of 1812 2516 explorer.exe 94 PID 2516 wrote to memory of 1812 2516 explorer.exe 94 PID 1812 wrote to memory of 3592 1812 appvernom.exe 97 PID 1812 wrote to memory of 3592 1812 appvernom.exe 97 PID 1812 wrote to memory of 3592 1812 appvernom.exe 97 PID 1812 wrote to memory of 3592 1812 appvernom.exe 97 PID 1812 wrote to memory of 3592 1812 appvernom.exe 97 PID 1812 wrote to memory of 3592 1812 appvernom.exe 97 PID 1812 wrote to memory of 3592 1812 appvernom.exe 97
Processes
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C:\Users\Admin\AppData\Local\Temp\f67fcbc55e6ff59bd37bc72cc5de178b_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\f67fcbc55e6ff59bd37bc72cc5de178b_JaffaCakes118.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1648 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Local\Temp\f67fcbc55e6ff59bd37bc72cc5de178b_JaffaCakes118.exe" "C:\Users\Admin\AppData\Local\appvernom.exe"2⤵
- System Location Discovery: System Language Discovery
PID:3368
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C:\Windows\SysWOW64\explorer.exe"C:\Windows\System32\explorer.exe" /c, "C:\Users\Admin\AppData\Local\appvernom.exe"2⤵
- System Location Discovery: System Language Discovery
PID:2336
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C:\Windows\explorer.exeC:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding1⤵
- Suspicious use of WriteProcessMemory
PID:2516 -
C:\Users\Admin\AppData\Local\appvernom.exe"C:\Users\Admin\AppData\Local\appvernom.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1812 -
C:\Users\Admin\AppData\Local\appvernom.exe"C:\Users\Admin\AppData\Local\appvernom.exe"3⤵
- Executes dropped EXE
PID:3592
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
311KB
MD5f67fcbc55e6ff59bd37bc72cc5de178b
SHA100bdb5a6f30c17404482f43e7fe72bcde0a2dfc2
SHA2567a93b3d18a91b70cbf5f63e2b93686dc90f2c1c241ec92f128c6e40bd1e2ba3e
SHA51222b059cb6d6dd6765d1e03d37a541d4ffcc6089687f54377cd21f2c7e34a89e6195115fbc90fd284412f462c8d885a653fc458f43be745faef9f4dfde81a895a