Analysis
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max time kernel
146s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
16/04/2024, 12:59
Static task
static1
Behavioral task
behavioral1
Sample
f38aa4b20f2fcb014908ceeab98f2363_JaffaCakes118.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
f38aa4b20f2fcb014908ceeab98f2363_JaffaCakes118.exe
Resource
win10v2004-20240412-en
General
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Target
f38aa4b20f2fcb014908ceeab98f2363_JaffaCakes118.exe
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Size
707KB
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MD5
f38aa4b20f2fcb014908ceeab98f2363
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SHA1
f16fb2a5a327453c0275e3f8a4c710d4c51c4af1
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SHA256
a8e24c56aa790c2dd9446d373464e0ef12714636e1b199d3b1d34c03f48ad99e
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SHA512
85800a4cef1b36168ea6b02b6c166de23290cdc3690b8dc010094e470b075b6691682364e83eeefe07b9f117d227ec265ff4a67b2fa7685c1a41b2ea0a2eff43
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SSDEEP
12288:Z66+pFG1DxxI4/OKMUd5O7rqOSNOm/ZYxAssF3Z4mxxnscWM/yuwjwO+:M6+bG13pOLiQ5m/GADQmXscmx1+
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 3404 3.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\"" f38aa4b20f2fcb014908ceeab98f2363_JaffaCakes118.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 1888 3404 WerFault.exe 84 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3884 wrote to memory of 3404 3884 f38aa4b20f2fcb014908ceeab98f2363_JaffaCakes118.exe 84 PID 3884 wrote to memory of 3404 3884 f38aa4b20f2fcb014908ceeab98f2363_JaffaCakes118.exe 84 PID 3884 wrote to memory of 3404 3884 f38aa4b20f2fcb014908ceeab98f2363_JaffaCakes118.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\f38aa4b20f2fcb014908ceeab98f2363_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\f38aa4b20f2fcb014908ceeab98f2363_JaffaCakes118.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3884 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\3.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\3.exe2⤵
- Executes dropped EXE
PID:3404 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3404 -s 5483⤵
- Program crash
PID:1888
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3404 -ip 34041⤵PID:1416
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
345KB
MD56705dcb6cd6d50d92f13c50aece0c811
SHA11dcc41d2d521e5584b3fc4ff04f82a8074e0e92e
SHA25697303e458dcddb28b0bed8a3c59bf574be69ab1a7a468206ded3bc60ba279927
SHA51262fb3dcee0792dfef1d0deed02e1db5744e1ec0aa1a745a486ce13364b366f82c988400b9e2bb4e2f760d8c55df45da8afacbf3ce43431e73d875fedb2a3379b