Analysis
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max time kernel
141s -
max time network
134s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
23/08/2024, 00:57
Behavioral task
behavioral1
Sample
b9bdf2cbe245d06c398f3bed48f65d9e_JaffaCakes118.exe
Resource
win7-20240704-en
General
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Target
b9bdf2cbe245d06c398f3bed48f65d9e_JaffaCakes118.exe
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Size
365KB
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MD5
b9bdf2cbe245d06c398f3bed48f65d9e
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SHA1
9c6e6703a17430512bd526c1da4f94083393bf66
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SHA256
53973b3bd7054ef14776385973c24396a60f5785044178c80ec26c4c2e85a992
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SHA512
ca4f95d11dacbe2d18d7d6b3edff3885578a98593bb04b0019823a51cccc64306c47b362abde06706c8ca7335b4b3efe039e90ce7edbbccb83e2fa46e0a8d0b1
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SSDEEP
6144:yIGM3HoB3V2H609pkK02REhMdkRZik9N/QsZwIiuUjz0GKOoS:yrM3LH6xKF2R99RVqIirj9FoS
Malware Config
Signatures
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Drops file in Drivers directory 1 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\drivers\beep.sys b9bdf2cbe245d06c398f3bed48f65d9e_JaffaCakes118.exe -
Deletes itself 1 IoCs
pid Process 324 Rokus.exe -
Executes dropped EXE 1 IoCs
pid Process 324 Rokus.exe -
resource yara_rule behavioral2/files/0x0007000000023434-3.dat upx behavioral2/memory/4796-6-0x0000000000400000-0x00000000004BB000-memory.dmp upx behavioral2/memory/324-7-0x0000000000400000-0x00000000004BB000-memory.dmp upx behavioral2/memory/324-11-0x0000000000400000-0x00000000004BB000-memory.dmp upx behavioral2/memory/324-14-0x0000000000400000-0x00000000004BB000-memory.dmp upx behavioral2/memory/324-15-0x0000000000400000-0x00000000004BB000-memory.dmp upx -
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 b9bdf2cbe245d06c398f3bed48f65d9e_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Rokus.exe -
Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4796 b9bdf2cbe245d06c398f3bed48f65d9e_JaffaCakes118.exe 4796 b9bdf2cbe245d06c398f3bed48f65d9e_JaffaCakes118.exe 4796 b9bdf2cbe245d06c398f3bed48f65d9e_JaffaCakes118.exe 4796 b9bdf2cbe245d06c398f3bed48f65d9e_JaffaCakes118.exe 4796 b9bdf2cbe245d06c398f3bed48f65d9e_JaffaCakes118.exe 4796 b9bdf2cbe245d06c398f3bed48f65d9e_JaffaCakes118.exe 4796 b9bdf2cbe245d06c398f3bed48f65d9e_JaffaCakes118.exe 4796 b9bdf2cbe245d06c398f3bed48f65d9e_JaffaCakes118.exe 4796 b9bdf2cbe245d06c398f3bed48f65d9e_JaffaCakes118.exe 4796 b9bdf2cbe245d06c398f3bed48f65d9e_JaffaCakes118.exe 324 Rokus.exe 324 Rokus.exe 324 Rokus.exe 324 Rokus.exe -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 656 Process not Found -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 324 Rokus.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 324 wrote to memory of 1792 324 Rokus.exe 88 PID 324 wrote to memory of 1792 324 Rokus.exe 88
Processes
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C:\Users\Admin\AppData\Local\Temp\b9bdf2cbe245d06c398f3bed48f65d9e_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\b9bdf2cbe245d06c398f3bed48f65d9e_JaffaCakes118.exe"1⤵
- Drops file in Drivers directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:4796
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C:\Program Files (x86)\Remote\Rokus.exe"C:\Program Files (x86)\Remote\Rokus.exe"1⤵
- Deletes itself
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:324 -
C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe" %12⤵PID:1792
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
365KB
MD5b9bdf2cbe245d06c398f3bed48f65d9e
SHA19c6e6703a17430512bd526c1da4f94083393bf66
SHA25653973b3bd7054ef14776385973c24396a60f5785044178c80ec26c4c2e85a992
SHA512ca4f95d11dacbe2d18d7d6b3edff3885578a98593bb04b0019823a51cccc64306c47b362abde06706c8ca7335b4b3efe039e90ce7edbbccb83e2fa46e0a8d0b1