Analysis
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max time kernel
143s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
31-08-2024 13:42
Static task
static1
Behavioral task
behavioral1
Sample
cce85c20b904b48ecce56f1e969dcf80_JaffaCakes118.exe
Resource
win7-20240705-en
General
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Target
cce85c20b904b48ecce56f1e969dcf80_JaffaCakes118.exe
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Size
725KB
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MD5
cce85c20b904b48ecce56f1e969dcf80
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SHA1
1a6d9a342ba4f259b3a14523d139b39c87091bac
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SHA256
2d1bdf894e558865433c1c8c288887fb9fd0604c0ffc82fe7b623637043c733e
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SHA512
51e450f60c9c15bb8e2a9497ed735ed94d5451a767bf4659d9adcd650c8a6a52283b6e2b9355e99765ecff62bd6b38cf441c8b65aa97693a82e68ac84b3f0831
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SSDEEP
6144:8pRY0JvIB0GMJAqgYJ91P4oV9yplVZNynvq8MBryjgJS9RXZkCr/lNHhKM/QQ8:Gtxk0eqz1Pn9ynVSn0B2jOylNHhKi
Malware Config
Signatures
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Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
cce85c20b904b48ecce56f1e969dcf80_JaffaCakes118.exeaTEHRFedpp.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation cce85c20b904b48ecce56f1e969dcf80_JaffaCakes118.exe Key value queried \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation aTEHRFedpp.exe -
Executes dropped EXE 2 IoCs
Processes:
aTEHRFedpp.exeaTEHRFedpp.exepid process 512 aTEHRFedpp.exe 2428 aTEHRFedpp.exe -
Obfuscated with Agile.Net obfuscator 2 IoCs
Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.
Processes:
resource yara_rule behavioral2/memory/540-5-0x0000000005040000-0x0000000005078000-memory.dmp agile_net behavioral2/memory/2428-18-0x0000000002AB0000-0x0000000002AE8000-memory.dmp agile_net -
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 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
aTEHRFedpp.exeaTEHRFedpp.execce85c20b904b48ecce56f1e969dcf80_JaffaCakes118.execmd.exeexplorer.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language aTEHRFedpp.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language aTEHRFedpp.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cce85c20b904b48ecce56f1e969dcf80_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 use of AdjustPrivilegeToken 2 IoCs
Processes:
cce85c20b904b48ecce56f1e969dcf80_JaffaCakes118.exeaTEHRFedpp.exedescription pid process Token: SeDebugPrivilege 540 cce85c20b904b48ecce56f1e969dcf80_JaffaCakes118.exe Token: SeDebugPrivilege 512 aTEHRFedpp.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
cce85c20b904b48ecce56f1e969dcf80_JaffaCakes118.exeexplorer.exeaTEHRFedpp.exedescription pid process target process PID 540 wrote to memory of 2052 540 cce85c20b904b48ecce56f1e969dcf80_JaffaCakes118.exe cmd.exe PID 540 wrote to memory of 2052 540 cce85c20b904b48ecce56f1e969dcf80_JaffaCakes118.exe cmd.exe PID 540 wrote to memory of 2052 540 cce85c20b904b48ecce56f1e969dcf80_JaffaCakes118.exe cmd.exe PID 540 wrote to memory of 1516 540 cce85c20b904b48ecce56f1e969dcf80_JaffaCakes118.exe explorer.exe PID 540 wrote to memory of 1516 540 cce85c20b904b48ecce56f1e969dcf80_JaffaCakes118.exe explorer.exe PID 540 wrote to memory of 1516 540 cce85c20b904b48ecce56f1e969dcf80_JaffaCakes118.exe explorer.exe PID 3292 wrote to memory of 512 3292 explorer.exe aTEHRFedpp.exe PID 3292 wrote to memory of 512 3292 explorer.exe aTEHRFedpp.exe PID 3292 wrote to memory of 512 3292 explorer.exe aTEHRFedpp.exe PID 512 wrote to memory of 2428 512 aTEHRFedpp.exe aTEHRFedpp.exe PID 512 wrote to memory of 2428 512 aTEHRFedpp.exe aTEHRFedpp.exe PID 512 wrote to memory of 2428 512 aTEHRFedpp.exe aTEHRFedpp.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\cce85c20b904b48ecce56f1e969dcf80_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\cce85c20b904b48ecce56f1e969dcf80_JaffaCakes118.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:540 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Local\Temp\cce85c20b904b48ecce56f1e969dcf80_JaffaCakes118.exe" "C:\Users\Admin\AppData\Local\aTEHRFedpp.exe"2⤵
- System Location Discovery: System Language Discovery
PID:2052
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C:\Windows\SysWOW64\explorer.exe"C:\Windows\System32\explorer.exe" /c, "C:\Users\Admin\AppData\Local\aTEHRFedpp.exe"2⤵
- System Location Discovery: System Language Discovery
PID:1516
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C:\Windows\explorer.exeC:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding1⤵
- Suspicious use of WriteProcessMemory
PID:3292 -
C:\Users\Admin\AppData\Local\aTEHRFedpp.exe"C:\Users\Admin\AppData\Local\aTEHRFedpp.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:512 -
C:\Users\Admin\AppData\Local\aTEHRFedpp.exe"C:\Users\Admin\AppData\Local\aTEHRFedpp.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2428
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
725KB
MD5cce85c20b904b48ecce56f1e969dcf80
SHA11a6d9a342ba4f259b3a14523d139b39c87091bac
SHA2562d1bdf894e558865433c1c8c288887fb9fd0604c0ffc82fe7b623637043c733e
SHA51251e450f60c9c15bb8e2a9497ed735ed94d5451a767bf4659d9adcd650c8a6a52283b6e2b9355e99765ecff62bd6b38cf441c8b65aa97693a82e68ac84b3f0831