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Analysis
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max time kernel
140s -
max time network
128s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
01/10/2024, 19:01
Behavioral task
behavioral1
Sample
0702a47469fb24097101aae1c6c6cdb2_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
0702a47469fb24097101aae1c6c6cdb2_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
0702a47469fb24097101aae1c6c6cdb2_JaffaCakes118.exe
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Size
115KB
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MD5
0702a47469fb24097101aae1c6c6cdb2
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SHA1
2651e587be799449519e6007d0e8022a242523be
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SHA256
11d37c2ae5f056560a6f90a6d6fbd554763a08ef5453ee914e301dfc7b4644b0
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SHA512
5cb1a224517f2944208df39a031337755ca9a9282e2d548f326d6685adeff9693f5422ed8ca8e30f2287a838e14e1ae66b9152487495f8fd93de10558aad149d
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SSDEEP
3072:SKcWmjRrz3ZKcWmjRrz31BJEGY075ySUy7ohgBsLHy1W:hGyGRdYU7UAqy8
Malware Config
Signatures
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Executes dropped EXE 2 IoCs
pid Process 3548 R5BlN4gj69VqRrf.exe 2976 CTS.exe -
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe" CTS.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe" 0702a47469fb24097101aae1c6c6cdb2_JaffaCakes118.exe -
resource yara_rule behavioral2/memory/1856-0-0x0000000000040000-0x0000000000057000-memory.dmp upx behavioral2/files/0x0008000000023443-6.dat upx behavioral2/memory/2976-7-0x0000000000380000-0x0000000000397000-memory.dmp upx behavioral2/memory/1856-9-0x0000000000040000-0x0000000000057000-memory.dmp upx behavioral2/files/0x000700000002336c-14.dat upx behavioral2/memory/2976-40-0x0000000000380000-0x0000000000397000-memory.dmp upx -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\CTS.exe 0702a47469fb24097101aae1c6c6cdb2_JaffaCakes118.exe File created C:\Windows\CTS.exe CTS.exe -
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 CTS.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 0702a47469fb24097101aae1c6c6cdb2_JaffaCakes118.exe -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 dw20.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz dw20.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString dw20.exe -
Enumerates system info in registry 2 TTPs 2 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS dw20.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU dw20.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1856 0702a47469fb24097101aae1c6c6cdb2_JaffaCakes118.exe Token: SeDebugPrivilege 2976 CTS.exe Token: SeBackupPrivilege 3176 dw20.exe Token: SeBackupPrivilege 3176 dw20.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1856 wrote to memory of 3548 1856 0702a47469fb24097101aae1c6c6cdb2_JaffaCakes118.exe 82 PID 1856 wrote to memory of 3548 1856 0702a47469fb24097101aae1c6c6cdb2_JaffaCakes118.exe 82 PID 1856 wrote to memory of 2976 1856 0702a47469fb24097101aae1c6c6cdb2_JaffaCakes118.exe 84 PID 1856 wrote to memory of 2976 1856 0702a47469fb24097101aae1c6c6cdb2_JaffaCakes118.exe 84 PID 1856 wrote to memory of 2976 1856 0702a47469fb24097101aae1c6c6cdb2_JaffaCakes118.exe 84 PID 3548 wrote to memory of 3176 3548 R5BlN4gj69VqRrf.exe 85 PID 3548 wrote to memory of 3176 3548 R5BlN4gj69VqRrf.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\0702a47469fb24097101aae1c6c6cdb2_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\0702a47469fb24097101aae1c6c6cdb2_JaffaCakes118.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1856 -
C:\Users\Admin\AppData\Local\Temp\R5BlN4gj69VqRrf.exeC:\Users\Admin\AppData\Local\Temp\R5BlN4gj69VqRrf.exe2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3548 -
C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exedw20.exe -x -s 8123⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
PID:3176
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C:\Windows\CTS.exe"C:\Windows\CTS.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2976
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Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
382KB
MD5ca01b90bb63e0e68f25845b13ffe9c41
SHA11bb6e4b014a7780785bf010f9d0f24d0f949b3b4
SHA256ae7724f835c848719fdb251b9f6a5778e9bf05c9f50af22345a52e08921b6450
SHA51297ed6bf15e09ffe369a9c66a17e5bcc0a7b4217c8849a55a0771fc4891502872e23fb005a38f6c4e06f72e7a0ed6a474691203c7e48ca3b71204f769decac283
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Filesize
56KB
MD5e115521ba14b75f53dcdff087ec6898f
SHA187103a892bb514a93d485fba221bacb9da3aae25
SHA25659b284d0ad4c2634938e70fae67d9048bd98422d052fbd745a9b80b5fae7ae29
SHA512ab3d097bcf11bf7327a28124052b210f5fb13b9bfb9b7376cae1ba5c30182a330506935288a7fe06b7e3fdd82b57f5c31638f1c301738342819c772b346fa35a
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Filesize
59KB
MD55efd390d5f95c8191f5ac33c4db4b143
SHA142d81b118815361daa3007f1a40f1576e9a9e0bc
SHA2566028434636f349d801465f77af3a1e387a9c5032942ca6cadb6506d0800f2a74
SHA512720fbe253483dc034307a57a2860c8629a760f883603198d1213f5290b7f236bf0f5f237728ebed50962be83dc7dc4abe61a1e9a55218778495fc6580eb20b3d