Analysis
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max time kernel
150s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
19-05-2024 18:10
Static task
static1
Behavioral task
behavioral1
Sample
5ab7ab87a1164876f8515a82ec11a51d_JaffaCakes118.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
5ab7ab87a1164876f8515a82ec11a51d_JaffaCakes118.exe
Resource
win10v2004-20240426-en
General
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Target
5ab7ab87a1164876f8515a82ec11a51d_JaffaCakes118.exe
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Size
299KB
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MD5
5ab7ab87a1164876f8515a82ec11a51d
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SHA1
4268a9c421a1c37695acc67435334269ac8622ec
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SHA256
bca0f84530687df0192d79ce7bc1f1359c5ffccbbba864006d525697a964bfca
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SHA512
686348f82ecac03181776e153c9f8b6219ce3e5e057f1e6ba42182e0fa075832f5284a36a05d5e90a96dfef7fd8b6f7b905d69ce97d68a6e8553fbb2bc55a8b8
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SSDEEP
6144:yYyF0obZta3EvmYd86ouD8XDoqHBnnvlvHZIjRFq0WLaL:y5F0ofoe86ow8XDo2BnnvpHY8a
Malware Config
Extracted
remcos
2.0.0 Pro
REMCOS20
casillas.hicam.net:2404
casillasmx.chickenkiller.com:2404
casillas45.hopto.org:2404
casillas.libfoobar.so:2404
du4alr0ute.sendsmtp.com:2404
settings.wifizone.org:2404
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audio_folder
audio
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audio_path
%AppData%
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audio_record_time
5
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connect_delay
0
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connect_interval
5
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copy_file
remcos.exe
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copy_folder
REM20
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delete_file
false
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hide_file
false
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hide_keylog_file
false
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install_flag
false
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install_path
%AppData%
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keylog_crypt
false
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keylog_file
logs.dat
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keylog_flag
false
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keylog_folder
jwthoir
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keylog_path
%AppData%
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mouse_option
false
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mutex
REM20-HT0OGO
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screenshot_crypt
false
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screenshot_flag
false
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screenshot_folder
Screenshots
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screenshot_path
%AppData%
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screenshot_time
1
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startup_value
remcos
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take_screenshot_option
false
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take_screenshot_time
5
Signatures
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Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
5ab7ab87a1164876f8515a82ec11a51d_JaffaCakes118.exeappert8u5e5e7yhg45e.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\Control Panel\International\Geo\Nation 5ab7ab87a1164876f8515a82ec11a51d_JaffaCakes118.exe Key value queried \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\Control Panel\International\Geo\Nation appert8u5e5e7yhg45e.exe -
Executes dropped EXE 3 IoCs
Processes:
appert8u5e5e7yhg45e.exeappert8u5e5e7yhg45e.exeappert8u5e5e7yhg45e.exepid process 336 appert8u5e5e7yhg45e.exe 4512 appert8u5e5e7yhg45e.exe 3008 appert8u5e5e7yhg45e.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
appert8u5e5e7yhg45e.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Applicationtinjtbertsnrimrjtbrdyth = "C:\\Users\\Admin\\AppData\\Roaming\\appert8u5e5e7yhg45e.exe -boot" appert8u5e5e7yhg45e.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
appert8u5e5e7yhg45e.exedescription pid process target process PID 336 set thread context of 3008 336 appert8u5e5e7yhg45e.exe appert8u5e5e7yhg45e.exe -
Drops file in Windows directory 2 IoCs
Processes:
5ab7ab87a1164876f8515a82ec11a51d_JaffaCakes118.exedescription ioc process File created C:\Windows\Microsoft.NET\Framework\v2.0.50727\config\security.config.cch.new 5ab7ab87a1164876f8515a82ec11a51d_JaffaCakes118.exe File created C:\Windows\Microsoft.NET\Framework\v2.0.50727\config\enterprisesec.config.cch.new 5ab7ab87a1164876f8515a82ec11a51d_JaffaCakes118.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 9 IoCs
Processes:
5ab7ab87a1164876f8515a82ec11a51d_JaffaCakes118.exeappert8u5e5e7yhg45e.exeappert8u5e5e7yhg45e.exepid process 2720 5ab7ab87a1164876f8515a82ec11a51d_JaffaCakes118.exe 336 appert8u5e5e7yhg45e.exe 4512 appert8u5e5e7yhg45e.exe 336 appert8u5e5e7yhg45e.exe 336 appert8u5e5e7yhg45e.exe 336 appert8u5e5e7yhg45e.exe 336 appert8u5e5e7yhg45e.exe 336 appert8u5e5e7yhg45e.exe 336 appert8u5e5e7yhg45e.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
5ab7ab87a1164876f8515a82ec11a51d_JaffaCakes118.exeappert8u5e5e7yhg45e.exeappert8u5e5e7yhg45e.exedescription pid process Token: SeDebugPrivilege 2720 5ab7ab87a1164876f8515a82ec11a51d_JaffaCakes118.exe Token: SeDebugPrivilege 336 appert8u5e5e7yhg45e.exe Token: SeDebugPrivilege 4512 appert8u5e5e7yhg45e.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
appert8u5e5e7yhg45e.exepid process 3008 appert8u5e5e7yhg45e.exe -
Suspicious use of WriteProcessMemory 18 IoCs
Processes:
5ab7ab87a1164876f8515a82ec11a51d_JaffaCakes118.exeexplorer.exeappert8u5e5e7yhg45e.exedescription pid process target process PID 2720 wrote to memory of 2988 2720 5ab7ab87a1164876f8515a82ec11a51d_JaffaCakes118.exe explorer.exe PID 2720 wrote to memory of 2988 2720 5ab7ab87a1164876f8515a82ec11a51d_JaffaCakes118.exe explorer.exe PID 2720 wrote to memory of 2988 2720 5ab7ab87a1164876f8515a82ec11a51d_JaffaCakes118.exe explorer.exe PID 4632 wrote to memory of 336 4632 explorer.exe appert8u5e5e7yhg45e.exe PID 4632 wrote to memory of 336 4632 explorer.exe appert8u5e5e7yhg45e.exe PID 4632 wrote to memory of 336 4632 explorer.exe appert8u5e5e7yhg45e.exe PID 336 wrote to memory of 4512 336 appert8u5e5e7yhg45e.exe appert8u5e5e7yhg45e.exe PID 336 wrote to memory of 4512 336 appert8u5e5e7yhg45e.exe appert8u5e5e7yhg45e.exe PID 336 wrote to memory of 4512 336 appert8u5e5e7yhg45e.exe appert8u5e5e7yhg45e.exe PID 336 wrote to memory of 3008 336 appert8u5e5e7yhg45e.exe appert8u5e5e7yhg45e.exe PID 336 wrote to memory of 3008 336 appert8u5e5e7yhg45e.exe appert8u5e5e7yhg45e.exe PID 336 wrote to memory of 3008 336 appert8u5e5e7yhg45e.exe appert8u5e5e7yhg45e.exe PID 336 wrote to memory of 3008 336 appert8u5e5e7yhg45e.exe appert8u5e5e7yhg45e.exe PID 336 wrote to memory of 3008 336 appert8u5e5e7yhg45e.exe appert8u5e5e7yhg45e.exe PID 336 wrote to memory of 3008 336 appert8u5e5e7yhg45e.exe appert8u5e5e7yhg45e.exe PID 336 wrote to memory of 3008 336 appert8u5e5e7yhg45e.exe appert8u5e5e7yhg45e.exe PID 336 wrote to memory of 3008 336 appert8u5e5e7yhg45e.exe appert8u5e5e7yhg45e.exe PID 336 wrote to memory of 3008 336 appert8u5e5e7yhg45e.exe appert8u5e5e7yhg45e.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\5ab7ab87a1164876f8515a82ec11a51d_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\5ab7ab87a1164876f8515a82ec11a51d_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2720 -
C:\Windows\SysWOW64\explorer.exe"C:\Windows\System32\explorer.exe" /c select, C:\Users\Admin\AppData\Roaming\appert8u5e5e7yhg45e.exe2⤵PID:2988
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C:\Windows\explorer.exeC:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding1⤵
- Suspicious use of WriteProcessMemory
PID:4632 -
C:\Users\Admin\AppData\Roaming\appert8u5e5e7yhg45e.exe"C:\Users\Admin\AppData\Roaming\appert8u5e5e7yhg45e.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:336 -
C:\Users\Admin\AppData\Roaming\appert8u5e5e7yhg45e.exe"C:\Users\Admin\AppData\Roaming\appert8u5e5e7yhg45e.exe"3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4512 -
C:\Users\Admin\AppData\Roaming\appert8u5e5e7yhg45e.exe"C:\Users\Admin\AppData\Roaming\appert8u5e5e7yhg45e.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:3008
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
299KB
MD55ab7ab87a1164876f8515a82ec11a51d
SHA14268a9c421a1c37695acc67435334269ac8622ec
SHA256bca0f84530687df0192d79ce7bc1f1359c5ffccbbba864006d525697a964bfca
SHA512686348f82ecac03181776e153c9f8b6219ce3e5e057f1e6ba42182e0fa075832f5284a36a05d5e90a96dfef7fd8b6f7b905d69ce97d68a6e8553fbb2bc55a8b8
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Filesize
478B
MD5459aaa4ef6cb96ca6c2d826a2ee7517f
SHA1b371e0e5d621816f87f1b027813289e45085681d
SHA2565df0a1c86b2edefe26537322eea9a8807d0468fa54464c2eba1f3c10fab5919e
SHA512b31ccdfb6ef8299abfbfddb8f20450f08ef1187e9f138845df2f619325f436fa30152b3e96e3bef6b47ed6fa9595bec7584e96cf8b1708038f0027bbd0179b27