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General
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Target
fa1af9f89f182ceaf85cdc39a9bb55b9_JaffaCakes118
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Size
2.1MB
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Sample
240419-mj79wsge88
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MD5
fa1af9f89f182ceaf85cdc39a9bb55b9
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SHA1
b66a479eaeaf45be1b5bb52968550724d0ef0934
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SHA256
f58bb7ef51d62cbca14778caffadd854dad7a1a5682cc2016f775310b0464058
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SHA512
7fbf3ea63ef918abce0806512872f8608e9771c5069eade5246623434ed1489f9ae3c1b6c7cf7bb8f5f75f8bb3c5600d5fb4a6d07c38806e6d6e114ecc8c0a7f
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SSDEEP
49152:4WFVbrhPYRE7ri2iqfRIIJyiCpVPG/NBOf/WbsWa:xFVbryO7r/fRhIiQVw8/WbsWa
Static task
static1
Behavioral task
behavioral1
Sample
fa1af9f89f182ceaf85cdc39a9bb55b9_JaffaCakes118.exe
Resource
win7-20240221-en
Malware Config
Targets
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Target
fa1af9f89f182ceaf85cdc39a9bb55b9_JaffaCakes118
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Size
2.1MB
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MD5
fa1af9f89f182ceaf85cdc39a9bb55b9
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SHA1
b66a479eaeaf45be1b5bb52968550724d0ef0934
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SHA256
f58bb7ef51d62cbca14778caffadd854dad7a1a5682cc2016f775310b0464058
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SHA512
7fbf3ea63ef918abce0806512872f8608e9771c5069eade5246623434ed1489f9ae3c1b6c7cf7bb8f5f75f8bb3c5600d5fb4a6d07c38806e6d6e114ecc8c0a7f
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SSDEEP
49152:4WFVbrhPYRE7ri2iqfRIIJyiCpVPG/NBOf/WbsWa:xFVbryO7r/fRhIiQVw8/WbsWa
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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Looks for VMWare services registry key.
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ACProtect 1.3x - 1.4x DLL software
Detects file using ACProtect software.
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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Identifies Wine through registry keys
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
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Loads dropped DLL
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Adds Run key to start application
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Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.
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Suspicious use of NtSetInformationThreadHideFromDebugger
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Pre-OS Boot
1Bootkit
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Modify Registry
2Pre-OS Boot
1Bootkit
1Virtualization/Sandbox Evasion
3