Analysis
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max time kernel
36s -
max time network
44s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
23-07-2024 00:35
Static task
static1
Behavioral task
behavioral1
Sample
65721901b8c5c8ca042861c1e5ec007f_JaffaCakes118.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
65721901b8c5c8ca042861c1e5ec007f_JaffaCakes118.exe
Resource
win10v2004-20240709-en
General
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Target
65721901b8c5c8ca042861c1e5ec007f_JaffaCakes118.exe
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Size
4.1MB
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MD5
65721901b8c5c8ca042861c1e5ec007f
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SHA1
074f1d0f378228e785590d7a628b398282c1285b
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SHA256
2c88469023eab87ea72ca237b159f09c0d1fa314b26706fa7164f6edceb179c7
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SHA512
d0c3aff70ed7fc79a6680c11a3a9bd92cfa4b8f7cf804ee14901f3fbe5dbe726ad00d774a970e196f41187ec8fb02f293a57de3e5ada5e727ff19efd141181c0
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SSDEEP
6144:7/m9kF4LhB959Ak24Fa8yVRasuSuvfQ1dskAsaJraBCDorAB:bfFWB9bpFatVMPfgsVpraB
Malware Config
Signatures
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ISR Stealer
ISR Stealer is a modified version of Hackhound Stealer written in visual basic.
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ISR Stealer payload 4 IoCs
resource yara_rule behavioral1/memory/2908-9-0x0000000000400000-0x0000000000435000-memory.dmp family_isrstealer behavioral1/memory/2908-6-0x0000000000400000-0x0000000000435000-memory.dmp family_isrstealer behavioral1/memory/2908-25-0x0000000000400000-0x0000000000435000-memory.dmp family_isrstealer behavioral1/memory/2908-29-0x0000000000400000-0x0000000000435000-memory.dmp family_isrstealer -
Deletes itself 1 IoCs
pid Process 2240 cmd.exe -
resource yara_rule behavioral1/memory/1856-18-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1856-14-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1856-17-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1856-19-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1856-23-0x0000000000400000-0x0000000000453000-memory.dmp upx -
Uses the VBS compiler for execution 1 TTPs
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Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 2556 set thread context of 2908 2556 65721901b8c5c8ca042861c1e5ec007f_JaffaCakes118.exe 29 PID 2908 set thread context of 1856 2908 vbc.exe 30 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Runs ping.exe 1 TTPs 1 IoCs
pid Process 2768 PING.EXE -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2908 vbc.exe -
Suspicious use of WriteProcessMemory 25 IoCs
description pid Process procid_target PID 2556 wrote to memory of 2908 2556 65721901b8c5c8ca042861c1e5ec007f_JaffaCakes118.exe 29 PID 2556 wrote to memory of 2908 2556 65721901b8c5c8ca042861c1e5ec007f_JaffaCakes118.exe 29 PID 2556 wrote to memory of 2908 2556 65721901b8c5c8ca042861c1e5ec007f_JaffaCakes118.exe 29 PID 2556 wrote to memory of 2908 2556 65721901b8c5c8ca042861c1e5ec007f_JaffaCakes118.exe 29 PID 2556 wrote to memory of 2908 2556 65721901b8c5c8ca042861c1e5ec007f_JaffaCakes118.exe 29 PID 2556 wrote to memory of 2908 2556 65721901b8c5c8ca042861c1e5ec007f_JaffaCakes118.exe 29 PID 2556 wrote to memory of 2908 2556 65721901b8c5c8ca042861c1e5ec007f_JaffaCakes118.exe 29 PID 2556 wrote to memory of 2908 2556 65721901b8c5c8ca042861c1e5ec007f_JaffaCakes118.exe 29 PID 2908 wrote to memory of 1856 2908 vbc.exe 30 PID 2908 wrote to memory of 1856 2908 vbc.exe 30 PID 2908 wrote to memory of 1856 2908 vbc.exe 30 PID 2908 wrote to memory of 1856 2908 vbc.exe 30 PID 2908 wrote to memory of 1856 2908 vbc.exe 30 PID 2908 wrote to memory of 1856 2908 vbc.exe 30 PID 2908 wrote to memory of 1856 2908 vbc.exe 30 PID 2908 wrote to memory of 1856 2908 vbc.exe 30 PID 2908 wrote to memory of 1856 2908 vbc.exe 30 PID 2556 wrote to memory of 2240 2556 65721901b8c5c8ca042861c1e5ec007f_JaffaCakes118.exe 31 PID 2556 wrote to memory of 2240 2556 65721901b8c5c8ca042861c1e5ec007f_JaffaCakes118.exe 31 PID 2556 wrote to memory of 2240 2556 65721901b8c5c8ca042861c1e5ec007f_JaffaCakes118.exe 31 PID 2556 wrote to memory of 2240 2556 65721901b8c5c8ca042861c1e5ec007f_JaffaCakes118.exe 31 PID 2240 wrote to memory of 2768 2240 cmd.exe 33 PID 2240 wrote to memory of 2768 2240 cmd.exe 33 PID 2240 wrote to memory of 2768 2240 cmd.exe 33 PID 2240 wrote to memory of 2768 2240 cmd.exe 33
Processes
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C:\Users\Admin\AppData\Local\Temp\65721901b8c5c8ca042861c1e5ec007f_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\65721901b8c5c8ca042861c1e5ec007f_JaffaCakes118.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2556 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeC:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe2⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2908 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe/scomma "C:\Users\Admin\AppData\Local\Temp\4yEyrtt2oj.ini"3⤵PID:1856
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C ping 1.1.1.1 -n 1 -w 1000 > Nul & Del "C:\Users\Admin\AppData\Local\Temp\65721901b8c5c8ca042861c1e5ec007f_JaffaCakes118.exe"2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:2240 -
C:\Windows\SysWOW64\PING.EXEping 1.1.1.1 -n 1 -w 10003⤵
- Runs ping.exe
PID:2768
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
5B
MD5d1ea279fb5559c020a1b4137dc4de237
SHA1db6f8988af46b56216a6f0daf95ab8c9bdb57400
SHA256fcdcc2c46896915a1c695d6231f0fee336a668531b7a3da46178c80362546dba
SHA512720e9c284f0559015312df7fe977563e5e16f48d3506e51eb4016adf7971924d352f740b030aa3adc81b6f65fd1dba12df06d10fa6c115074e5097e7ee0f08b3