Analysis
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max time kernel
141s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
21/10/2024, 08:49
Behavioral task
behavioral1
Sample
66312bcc3e6c0623db30ef083f269538_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
66312bcc3e6c0623db30ef083f269538_JaffaCakes118.exe
Resource
win10v2004-20241007-en
General
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Target
66312bcc3e6c0623db30ef083f269538_JaffaCakes118.exe
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Size
56KB
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MD5
66312bcc3e6c0623db30ef083f269538
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SHA1
c269e517f490059ae03ab5ce807a44e1d31cb5c3
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SHA256
ead1a58aeaa2195ea7d87cf2d6191b766bc0d5106f1d5307e3911625a626c884
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SHA512
8e958fc824e5559791adfc21c2417879e186fe59eb23f3c6de3334fa3aaf3fd8236a1e6c14281d4eaaff1e76e73eed1ebf309646ddceff8430744e3b0366c216
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SSDEEP
768:eyX3LKew369lp2z3Sd4baFXLjwP/Tgj93b8NIo6yX3LKew369lp2z3Sd4baFXLjS:egKcR4mjD9r82RgKcR4mjD9r828
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2748 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" 66312bcc3e6c0623db30ef083f269538_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe" CTS.exe -
resource yara_rule behavioral1/memory/2688-0-0x0000000000930000-0x0000000000947000-memory.dmp upx behavioral1/files/0x0008000000015685-10.dat upx behavioral1/memory/2748-11-0x0000000001330000-0x0000000001347000-memory.dmp upx behavioral1/memory/2688-9-0x0000000000930000-0x0000000000947000-memory.dmp upx behavioral1/files/0x0007000000012119-14.dat upx behavioral1/memory/2748-16-0x0000000001330000-0x0000000001347000-memory.dmp upx -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\CTS.exe 66312bcc3e6c0623db30ef083f269538_JaffaCakes118.exe File created C:\Windows\CTS.exe CTS.exe -
System Location Discovery: System Language Discovery 1 TTPs 1 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 66312bcc3e6c0623db30ef083f269538_JaffaCakes118.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2688 66312bcc3e6c0623db30ef083f269538_JaffaCakes118.exe Token: SeDebugPrivilege 2748 CTS.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2688 wrote to memory of 2748 2688 66312bcc3e6c0623db30ef083f269538_JaffaCakes118.exe 30 PID 2688 wrote to memory of 2748 2688 66312bcc3e6c0623db30ef083f269538_JaffaCakes118.exe 30 PID 2688 wrote to memory of 2748 2688 66312bcc3e6c0623db30ef083f269538_JaffaCakes118.exe 30 PID 2688 wrote to memory of 2748 2688 66312bcc3e6c0623db30ef083f269538_JaffaCakes118.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\66312bcc3e6c0623db30ef083f269538_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\66312bcc3e6c0623db30ef083f269538_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:2688 -
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:2748
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
56KB
MD556a03d95c1f047dbb64cf6bdeb931d4e
SHA1769ab6ff3a4006814469964664c6422f88dfed54
SHA256a8237a9f16af81d6b21ee7b585db306bc1b939025653d21842c2ab20f68332d0
SHA512d752aeeb12a302d0f2faf4261fc7180389d520586090ae9d27834ca44296be5c746843f9c5364c117652c30e887e5a0e4ac254f63475e807566acd5a7921c259
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Filesize
56KB
MD590e6eef4ded5d6508765975aa3b8ef70
SHA18e77aa2d6560963a4e69751074f75831ba9c436a
SHA256856cc5ad108ebb8fe06eee8ccc40cda879b1aa8f84ec4a2308f57a63488b3493
SHA512e9c8df23ddade81d2ef5e04217cea0089bdc9462607d95a4743601a5c115d5e2713e21e1f031596022e9a75ed921b7f95021aca49859f194e5104269566d3833