Analysis
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max time kernel
91s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
04-04-2024 17:23
Behavioral task
behavioral1
Sample
be46717a2f3f17793a9d9fa12d0bd417_JaffaCakes118.jar
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
be46717a2f3f17793a9d9fa12d0bd417_JaffaCakes118.jar
Resource
win10v2004-20240226-en
General
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Target
be46717a2f3f17793a9d9fa12d0bd417_JaffaCakes118.jar
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Size
397KB
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MD5
be46717a2f3f17793a9d9fa12d0bd417
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SHA1
ff1201927fb0feedb614dba9e4ffe9e58ef91ac8
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SHA256
87f72b2cb5677b04b8ee86bd4951990b9e528a5cf87a6935154d99c383358089
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SHA512
989fd25def933eeda01f20d519dd448d30e3f0cd581d941332241760c3d2e4c13247254f38a133f8a28bfa4b6da6127f399482169412588f22f5b5dce0e09929
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SSDEEP
12288:vYjUsuboVArx55DClCP+jp42GsThJUaz5jU+rLuB:QjUptrx5FClCYNG65zJL/I
Malware Config
Signatures
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Modifies file permissions 1 TTPs 1 IoCs
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Drops file in Program Files directory 12 IoCs
Processes:
java.exedescription ioc process File opened for modification C:\Program Files\Java\jre-1.8\bin\symbols\dll\jvm.pdb java.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\server\ntdll.pdb java.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\server\dll\ntdll.pdb java.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\server\symbols\dll\ntdll.pdb java.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\server\jvm.pdb java.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\server\dll\jvm.pdb java.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jvm.pdb java.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\dll\jvm.pdb java.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\ntdll.pdb java.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\symbols\dll\ntdll.pdb java.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\server\symbols\dll\jvm.pdb java.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\dll\ntdll.pdb java.exe -
Suspicious use of WriteProcessMemory 2 IoCs
Processes:
java.exedescription pid process target process PID 1500 wrote to memory of 2284 1500 java.exe icacls.exe PID 1500 wrote to memory of 2284 1500 java.exe icacls.exe
Processes
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C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exejava -jar C:\Users\Admin\AppData\Local\Temp\be46717a2f3f17793a9d9fa12d0bd417_JaffaCakes118.jar1⤵
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1500 -
C:\Windows\system32\icacls.exeC:\Windows\system32\icacls.exe C:\ProgramData\Oracle\Java\.oracle_jre_usage /grant "everyone":(OI)(CI)M2⤵
- Modifies file permissions
PID:2284
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
46B
MD5f02f02296712952fa02afec0dd4b4f74
SHA182f4037a06e7df90911fa0e6a9c6f48789af3585
SHA25659450aca9af3173b3603b12d9449e036eb308dd4ed35eade49bb40ad4d0391d9
SHA51251688c7ba7cfcd724f947a47202089332e1f1b0e793c42bb82a393daf1ea45a53df22b2284b9a89bfc9be036cb07e9528ad9756ec46b25c295e373f128e072db