Analysis
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max time kernel
148s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
13-06-2024 02:40
Static task
static1
Behavioral task
behavioral1
Sample
a39084f6914df376a522019e89028713_JaffaCakes118.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
a39084f6914df376a522019e89028713_JaffaCakes118.exe
Resource
win10v2004-20240508-en
General
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Target
a39084f6914df376a522019e89028713_JaffaCakes118.exe
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Size
355KB
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MD5
a39084f6914df376a522019e89028713
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SHA1
4391986d2241cab28241d335cd6cac890d4c45cb
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SHA256
ccb22c4efc01a9fd7d18e544628da418685c943732f659cba88eeeceed27b349
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SHA512
f62705e6a9d2b1fd404dc43b0421846425093de2cab5bce86150c50fcacfe6178d42011c99394b6ab08070b4001e4a9b1f81ebaa1b23ee866698222e8cbe48c5
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SSDEEP
6144:k3EmWPDNND9yRPzLq+YXFqaZiMLic9kzVd7EAC4TSs9EiS:vmWhND9yJz+b1FcMLmp2ATTSsdS
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\userinit = "C:\\Windows\\system32\\userinit.exe,C:\\Windows\\apppatch\\svchost.exe," svchost.exe -
Executes dropped EXE 1 IoCs
pid Process 2652 svchost.exe -
Modifies WinLogon 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\d2968417 = "\x1f™¯Køþp\x1c$Ô˜y" a39084f6914df376a522019e89028713_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\d2968417 = "\x1f™¯Køþp\x1c$Ô˜y" svchost.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\apppatch\svchost.exe a39084f6914df376a522019e89028713_JaffaCakes118.exe File created C:\Windows\apppatch\svchost.exe a39084f6914df376a522019e89028713_JaffaCakes118.exe -
Suspicious behavior: EnumeratesProcesses 18 IoCs
pid Process 1156 a39084f6914df376a522019e89028713_JaffaCakes118.exe 1156 a39084f6914df376a522019e89028713_JaffaCakes118.exe 1156 a39084f6914df376a522019e89028713_JaffaCakes118.exe 1156 a39084f6914df376a522019e89028713_JaffaCakes118.exe 1156 a39084f6914df376a522019e89028713_JaffaCakes118.exe 1156 a39084f6914df376a522019e89028713_JaffaCakes118.exe 1156 a39084f6914df376a522019e89028713_JaffaCakes118.exe 1156 a39084f6914df376a522019e89028713_JaffaCakes118.exe 2652 svchost.exe 2652 svchost.exe 2652 svchost.exe 2652 svchost.exe 2652 svchost.exe 2652 svchost.exe 2652 svchost.exe 2652 svchost.exe 2652 svchost.exe 2652 svchost.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 1156 a39084f6914df376a522019e89028713_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1156 wrote to memory of 2652 1156 a39084f6914df376a522019e89028713_JaffaCakes118.exe 81 PID 1156 wrote to memory of 2652 1156 a39084f6914df376a522019e89028713_JaffaCakes118.exe 81 PID 1156 wrote to memory of 2652 1156 a39084f6914df376a522019e89028713_JaffaCakes118.exe 81
Processes
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C:\Users\Admin\AppData\Local\Temp\a39084f6914df376a522019e89028713_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\a39084f6914df376a522019e89028713_JaffaCakes118.exe"1⤵
- Modifies WinLogon
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:1156 -
C:\Windows\apppatch\svchost.exe"C:\Windows\apppatch\svchost.exe"2⤵
- Modifies WinLogon for persistence
- Executes dropped EXE
- Modifies WinLogon
- Suspicious behavior: EnumeratesProcesses
PID:2652
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
355KB
MD54a083254988c12f573a897690558a8a4
SHA1da9ae6b7ef92b1d10f28cae0a4e2cbb96accd104
SHA2561fa99f777ac758a52d3ebfe5aaab7d56d0d075e2c878301efe8b29f739efc706
SHA51223a76b52325b81b73cf15c60c76c65ea25cefdc55eeed81aa12d7f35634c646661be77bdcb93870ff0c600dd165ac49ab442fd8ab3eb34aabaa453b21c78669c