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Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
11/08/2024, 15:18
Behavioral task
behavioral1
Sample
8ae0e3844a86aac5368848ca5a27be5d_JaffaCakes118.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
8ae0e3844a86aac5368848ca5a27be5d_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
8ae0e3844a86aac5368848ca5a27be5d_JaffaCakes118.exe
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Size
227KB
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MD5
8ae0e3844a86aac5368848ca5a27be5d
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SHA1
b0ae2f5f488457d6905728e21b244a3cc09a4177
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SHA256
dd89d25ecbd42a7f2941807a3757a2ae7cf67264a72cb6f690699607c0353859
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SHA512
173c41a4b0f8712338a644578c2e2e41549078976de508f6afd7f817efc855da8d327ffcbc0ef0e91e4c680e38df506f4a00a3fd45da3198ec3b2f79a0e3c903
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SSDEEP
6144:qqJcy8ESUGW57xBNyY7OsNpqNh832m8NgdZrT9bCNGic:d9xjyY7lbnGmrT9bCNGf
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-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation 8ae0e3844a86aac5368848ca5a27be5d_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
pid Process 3788 procdll.exe -
resource yara_rule behavioral2/memory/392-0-0x0000000000400000-0x00000000004B0000-memory.dmp upx behavioral2/files/0x00080000000234be-6.dat upx behavioral2/memory/3788-11-0x0000000000400000-0x00000000004B0000-memory.dmp upx behavioral2/memory/392-13-0x0000000000400000-0x00000000004B0000-memory.dmp upx behavioral2/memory/3788-25-0x0000000000400000-0x00000000004B0000-memory.dmp upx behavioral2/memory/3788-26-0x0000000000400000-0x00000000004B0000-memory.dmp upx behavioral2/memory/3788-28-0x0000000000400000-0x00000000004B0000-memory.dmp upx behavioral2/memory/3788-29-0x0000000000400000-0x00000000004B0000-memory.dmp upx behavioral2/memory/3788-30-0x0000000000400000-0x00000000004B0000-memory.dmp upx behavioral2/memory/3788-31-0x0000000000400000-0x00000000004B0000-memory.dmp upx behavioral2/memory/3788-32-0x0000000000400000-0x00000000004B0000-memory.dmp upx behavioral2/memory/3788-33-0x0000000000400000-0x00000000004B0000-memory.dmp upx behavioral2/memory/3788-34-0x0000000000400000-0x00000000004B0000-memory.dmp upx behavioral2/memory/3788-35-0x0000000000400000-0x00000000004B0000-memory.dmp upx behavioral2/memory/3788-37-0x0000000000400000-0x00000000004B0000-memory.dmp upx behavioral2/memory/3788-38-0x0000000000400000-0x00000000004B0000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Sysctrls = "C:\\Windows\\procdll.exe" procdll.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\system\winapd.cfg 8ae0e3844a86aac5368848ca5a27be5d_JaffaCakes118.exe File opened for modification C:\Windows\system\winapd.cfg procdll.exe File created C:\Windows\procdll.exe 8ae0e3844a86aac5368848ca5a27be5d_JaffaCakes118.exe File opened for modification C:\Windows\procdll.exe 8ae0e3844a86aac5368848ca5a27be5d_JaffaCakes118.exe -
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 8ae0e3844a86aac5368848ca5a27be5d_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language procdll.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 392 8ae0e3844a86aac5368848ca5a27be5d_JaffaCakes118.exe 392 8ae0e3844a86aac5368848ca5a27be5d_JaffaCakes118.exe 3788 procdll.exe 3788 procdll.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 392 wrote to memory of 3788 392 8ae0e3844a86aac5368848ca5a27be5d_JaffaCakes118.exe 85 PID 392 wrote to memory of 3788 392 8ae0e3844a86aac5368848ca5a27be5d_JaffaCakes118.exe 85 PID 392 wrote to memory of 3788 392 8ae0e3844a86aac5368848ca5a27be5d_JaffaCakes118.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\8ae0e3844a86aac5368848ca5a27be5d_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\8ae0e3844a86aac5368848ca5a27be5d_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:392 -
C:\Windows\procdll.exe"C:\Windows\procdll.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:3788
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
227KB
MD58ae0e3844a86aac5368848ca5a27be5d
SHA1b0ae2f5f488457d6905728e21b244a3cc09a4177
SHA256dd89d25ecbd42a7f2941807a3757a2ae7cf67264a72cb6f690699607c0353859
SHA512173c41a4b0f8712338a644578c2e2e41549078976de508f6afd7f817efc855da8d327ffcbc0ef0e91e4c680e38df506f4a00a3fd45da3198ec3b2f79a0e3c903