Analysis
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max time kernel
146s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
07-04-2024 20:23
Behavioral task
behavioral1
Sample
e5c8465b257f9f5c6b422f38d66af4f9_JaffaCakes118.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
e5c8465b257f9f5c6b422f38d66af4f9_JaffaCakes118.exe
Resource
win10v2004-20240226-en
General
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Target
e5c8465b257f9f5c6b422f38d66af4f9_JaffaCakes118.exe
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Size
30KB
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MD5
e5c8465b257f9f5c6b422f38d66af4f9
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SHA1
52b609ee6f9c9d9b525731bfd8a3519298c34488
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SHA256
a4aa441fe90301ac47c93688a4f652042224fa740406ad62b65befcb3e5917ea
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SHA512
204763fa757b2749d1483b018ecaaeeca54f3a4fdc6aceddaa83f77b42d1eb08be8474d3aa037bc935bfb99323646959a89d85d6d43671ad7c9d904506f9efca
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SSDEEP
768:XocAX3LKew369lp2z3Sd4baFXLjwP/Tgj93b8NIocVSEFAK:SKcR4mjD9r823FAK
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
CTS.exepid process 920 CTS.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Processes:
resource yara_rule behavioral2/memory/1480-0-0x0000000000790000-0x00000000007A7000-memory.dmp upx behavioral2/memory/1480-7-0x0000000000790000-0x00000000007A7000-memory.dmp upx behavioral2/memory/920-9-0x00000000009A0000-0x00000000009B7000-memory.dmp upx C:\Windows\CTS.exe upx C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\excel.exe_Rules.xml upx C:\Users\Admin\AppData\Local\Temp\jj8x3rj9IqSKg9z.exe upx behavioral2/memory/920-32-0x00000000009A0000-0x00000000009B7000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
e5c8465b257f9f5c6b422f38d66af4f9_JaffaCakes118.exeCTS.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe" e5c8465b257f9f5c6b422f38d66af4f9_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe" CTS.exe -
Drops file in Windows directory 2 IoCs
Processes:
e5c8465b257f9f5c6b422f38d66af4f9_JaffaCakes118.exeCTS.exedescription ioc process File created C:\Windows\CTS.exe e5c8465b257f9f5c6b422f38d66af4f9_JaffaCakes118.exe File created C:\Windows\CTS.exe CTS.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
e5c8465b257f9f5c6b422f38d66af4f9_JaffaCakes118.exeCTS.exedescription pid process Token: SeDebugPrivilege 1480 e5c8465b257f9f5c6b422f38d66af4f9_JaffaCakes118.exe Token: SeDebugPrivilege 920 CTS.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
e5c8465b257f9f5c6b422f38d66af4f9_JaffaCakes118.exedescription pid process target process PID 1480 wrote to memory of 920 1480 e5c8465b257f9f5c6b422f38d66af4f9_JaffaCakes118.exe CTS.exe PID 1480 wrote to memory of 920 1480 e5c8465b257f9f5c6b422f38d66af4f9_JaffaCakes118.exe CTS.exe PID 1480 wrote to memory of 920 1480 e5c8465b257f9f5c6b422f38d66af4f9_JaffaCakes118.exe CTS.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\e5c8465b257f9f5c6b422f38d66af4f9_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\e5c8465b257f9f5c6b422f38d66af4f9_JaffaCakes118.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1480 -
C:\Windows\CTS.exe"C:\Windows\CTS.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:920
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
352KB
MD5def8139c87581c9d2ca3061e851b67eb
SHA1c888e6f7683b85c331f2bfd3f5a799932d394fc6
SHA2566881d0551f1eb8cae7153344767017547f4b6bbabab44a82e7453d1db076093d
SHA512095682e93459ec5efafc2a9f5b13e66684fe3790c16d34bd2c68b7fd3886d2cdb0838a60ab61fc7411e6478cd11165ee8d15a00767e1824c97cd5bd164725e2e
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Filesize
30KB
MD55804916f771131f72a2255b6ce113e86
SHA14a80e13321a176a692b4769471947106c28bdc09
SHA25609070c5e55122113f10e8c38e4514a06848d37e18922429551dc1e0909876702
SHA512f78b3dc74ac2ab6076e11af6fdfa0224e8a69fbca4e9f7dfaf1b3d3e2930c5bf4a8909632e4aa394914b539778eba6192f2cc40482094761f888b0a6e3856981
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Filesize
29KB
MD570aa23c9229741a9b52e5ce388a883ac
SHA1b42683e21e13de3f71db26635954d992ebe7119e
SHA2569d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2
SHA512be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5