Analysis
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max time kernel
148s -
max time network
158s -
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 19:41
Behavioral task
behavioral1
Sample
e5b592e5d59cc9eaf78c2cc5ef554171_JaffaCakes118.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
e5b592e5d59cc9eaf78c2cc5ef554171_JaffaCakes118.exe
Resource
win10v2004-20240226-en
General
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Target
e5b592e5d59cc9eaf78c2cc5ef554171_JaffaCakes118.exe
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Size
85KB
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MD5
e5b592e5d59cc9eaf78c2cc5ef554171
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SHA1
257a922c0278e174d8ac2200c373028ad4ec663d
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SHA256
7675ab50699f3a876018fd3378946d59dfbcd5d4a3e7be7fee30f5216d9298c4
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SHA512
bfd8e9257459f9d27baca1baa481ed16dfcc8ee3609c22ee7b054458c4f405f19a3400255b49a28496225aefd295cdf478cfe3ef8c76ad20124fcf42196cd61e
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SSDEEP
1536:SKcR4mjD9r823Fq8rUi/S8lEx1aPtOA4+ewMyI+08mIpEv6ePKc7H:SKcWmjRrz33rUp8lEx1aPtNIwdk5vx7H
Malware Config
Signatures
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Executes dropped EXE 2 IoCs
Processes:
KnMOA6FzUKY6psh.exeCTS.exepid process 2984 KnMOA6FzUKY6psh.exe 4776 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/4332-0-0x0000000000530000-0x0000000000547000-memory.dmp upx C:\Windows\CTS.exe upx behavioral2/memory/4776-9-0x0000000000D30000-0x0000000000D47000-memory.dmp upx behavioral2/memory/4332-7-0x0000000000530000-0x0000000000547000-memory.dmp upx C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\excel.exe_Rules.xml upx behavioral2/memory/4776-40-0x0000000000D30000-0x0000000000D47000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
e5b592e5d59cc9eaf78c2cc5ef554171_JaffaCakes118.exeCTS.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe" e5b592e5d59cc9eaf78c2cc5ef554171_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:
e5b592e5d59cc9eaf78c2cc5ef554171_JaffaCakes118.exeCTS.exedescription ioc process File created C:\Windows\CTS.exe e5b592e5d59cc9eaf78c2cc5ef554171_JaffaCakes118.exe File created C:\Windows\CTS.exe CTS.exe -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
dw20.exedescription 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
Processes:
dw20.exedescription 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
Processes:
e5b592e5d59cc9eaf78c2cc5ef554171_JaffaCakes118.exeCTS.exedw20.exedescription pid process Token: SeDebugPrivilege 4332 e5b592e5d59cc9eaf78c2cc5ef554171_JaffaCakes118.exe Token: SeDebugPrivilege 4776 CTS.exe Token: SeBackupPrivilege 2648 dw20.exe Token: SeBackupPrivilege 2648 dw20.exe -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
e5b592e5d59cc9eaf78c2cc5ef554171_JaffaCakes118.exeKnMOA6FzUKY6psh.exedescription pid process target process PID 4332 wrote to memory of 2984 4332 e5b592e5d59cc9eaf78c2cc5ef554171_JaffaCakes118.exe KnMOA6FzUKY6psh.exe PID 4332 wrote to memory of 2984 4332 e5b592e5d59cc9eaf78c2cc5ef554171_JaffaCakes118.exe KnMOA6FzUKY6psh.exe PID 4332 wrote to memory of 4776 4332 e5b592e5d59cc9eaf78c2cc5ef554171_JaffaCakes118.exe CTS.exe PID 4332 wrote to memory of 4776 4332 e5b592e5d59cc9eaf78c2cc5ef554171_JaffaCakes118.exe CTS.exe PID 4332 wrote to memory of 4776 4332 e5b592e5d59cc9eaf78c2cc5ef554171_JaffaCakes118.exe CTS.exe PID 2984 wrote to memory of 2648 2984 KnMOA6FzUKY6psh.exe dw20.exe PID 2984 wrote to memory of 2648 2984 KnMOA6FzUKY6psh.exe dw20.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\e5b592e5d59cc9eaf78c2cc5ef554171_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\e5b592e5d59cc9eaf78c2cc5ef554171_JaffaCakes118.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4332 -
C:\Users\Admin\AppData\Local\Temp\KnMOA6FzUKY6psh.exeC:\Users\Admin\AppData\Local\Temp\KnMOA6FzUKY6psh.exe2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2984 -
C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exedw20.exe -x -s 8043⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
PID:2648
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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
- Suspicious use of AdjustPrivilegeToken
PID:4776
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
352KB
MD555be7f9f56974953e2bf17a256160a53
SHA1bc9332df52a216db59cecb1b5fa28cd6d3f6f7e8
SHA256e5d6a20b2543d478634a313dfb1771e1154be28466895d52a522fb98c7c78214
SHA51263a1e1491aa9a9eccd7dc12db3062c29148e72b30a201d5abfa0b6fc09574e7dbfe861c897f062d9a3d4955c87e44a3a75f4440cb2c5b7c28175c35001cd19bf
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Filesize
56KB
MD5e115521ba14b75f53dcdff087ec6898f
SHA187103a892bb514a93d485fba221bacb9da3aae25
SHA25659b284d0ad4c2634938e70fae67d9048bd98422d052fbd745a9b80b5fae7ae29
SHA512ab3d097bcf11bf7327a28124052b210f5fb13b9bfb9b7376cae1ba5c30182a330506935288a7fe06b7e3fdd82b57f5c31638f1c301738342819c772b346fa35a
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Filesize
29KB
MD570aa23c9229741a9b52e5ce388a883ac
SHA1b42683e21e13de3f71db26635954d992ebe7119e
SHA2569d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2
SHA512be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5