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Analysis
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max time kernel
122s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
03/03/2025, 01:53
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_43efa4037db761e32029b520e817a5b0.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
JaffaCakes118_43efa4037db761e32029b520e817a5b0.exe
Resource
win10v2004-20250217-en
General
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Target
JaffaCakes118_43efa4037db761e32029b520e817a5b0.exe
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Size
667KB
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MD5
43efa4037db761e32029b520e817a5b0
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SHA1
43a12335acf9b750ff3179ea815a8153db9e8c13
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SHA256
3e878f7935ac847192050fee7712a5eab805b550aa25e6ddd68e366351714d06
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SHA512
a20b37db9d26ada4e4c3959baa9878aa95bfa231b8b606cbf2819fe9bc0d0cf6f9fbac160f51f4f68a8297a98b4b33feac5cab02728673338a13babcb5be84d0
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SSDEEP
12288:jA8aGZNqn0BX0c6I3+IdesTqn0BX0c6I3+Ides:jAqunTnogVnTnog
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 3 IoCs
resource yara_rule behavioral1/memory/2728-8-0x0000000000400000-0x0000000000442000-memory.dmp family_isrstealer behavioral1/memory/2728-22-0x0000000000400000-0x0000000000442000-memory.dmp family_isrstealer behavioral1/memory/2728-26-0x0000000000400000-0x0000000000442000-memory.dmp family_isrstealer -
Isrstealer family
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Detected Nirsoft tools 1 IoCs
Free utilities often used by attackers which can steal passwords, product keys, etc.
resource yara_rule behavioral1/memory/2360-25-0x0000000000400000-0x000000000041F000-memory.dmp Nirsoft -
NirSoft MailPassView 1 IoCs
Password recovery tool for various email clients
resource yara_rule behavioral1/memory/2360-25-0x0000000000400000-0x000000000041F000-memory.dmp MailPassView -
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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Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts JaffaCakes118_43efa4037db761e32029b520e817a5b0.exe -
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 2840 set thread context of 2728 2840 JaffaCakes118_43efa4037db761e32029b520e817a5b0.exe 31 PID 2728 set thread context of 2640 2728 JaffaCakes118_43efa4037db761e32029b520e817a5b0.exe 33 PID 2728 set thread context of 2360 2728 JaffaCakes118_43efa4037db761e32029b520e817a5b0.exe 35 -
resource yara_rule behavioral1/memory/2640-13-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2640-15-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2640-17-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2640-16-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2640-20-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2360-23-0x0000000000400000-0x000000000041F000-memory.dmp upx behavioral1/memory/2360-24-0x0000000000400000-0x000000000041F000-memory.dmp upx behavioral1/memory/2360-25-0x0000000000400000-0x000000000041F000-memory.dmp upx -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 5 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 JaffaCakes118_43efa4037db761e32029b520e817a5b0.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WScript.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_43efa4037db761e32029b520e817a5b0.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_43efa4037db761e32029b520e817a5b0.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_43efa4037db761e32029b520e817a5b0.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 2840 JaffaCakes118_43efa4037db761e32029b520e817a5b0.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2840 JaffaCakes118_43efa4037db761e32029b520e817a5b0.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2728 JaffaCakes118_43efa4037db761e32029b520e817a5b0.exe -
Suspicious use of WriteProcessMemory 31 IoCs
description pid Process procid_target PID 2840 wrote to memory of 2820 2840 JaffaCakes118_43efa4037db761e32029b520e817a5b0.exe 30 PID 2840 wrote to memory of 2820 2840 JaffaCakes118_43efa4037db761e32029b520e817a5b0.exe 30 PID 2840 wrote to memory of 2820 2840 JaffaCakes118_43efa4037db761e32029b520e817a5b0.exe 30 PID 2840 wrote to memory of 2820 2840 JaffaCakes118_43efa4037db761e32029b520e817a5b0.exe 30 PID 2840 wrote to memory of 2728 2840 JaffaCakes118_43efa4037db761e32029b520e817a5b0.exe 31 PID 2840 wrote to memory of 2728 2840 JaffaCakes118_43efa4037db761e32029b520e817a5b0.exe 31 PID 2840 wrote to memory of 2728 2840 JaffaCakes118_43efa4037db761e32029b520e817a5b0.exe 31 PID 2840 wrote to memory of 2728 2840 JaffaCakes118_43efa4037db761e32029b520e817a5b0.exe 31 PID 2840 wrote to memory of 2728 2840 JaffaCakes118_43efa4037db761e32029b520e817a5b0.exe 31 PID 2840 wrote to memory of 2728 2840 JaffaCakes118_43efa4037db761e32029b520e817a5b0.exe 31 PID 2840 wrote to memory of 2728 2840 JaffaCakes118_43efa4037db761e32029b520e817a5b0.exe 31 PID 2840 wrote to memory of 2728 2840 JaffaCakes118_43efa4037db761e32029b520e817a5b0.exe 31 PID 2840 wrote to memory of 2728 2840 JaffaCakes118_43efa4037db761e32029b520e817a5b0.exe 31 PID 2728 wrote to memory of 2640 2728 JaffaCakes118_43efa4037db761e32029b520e817a5b0.exe 33 PID 2728 wrote to memory of 2640 2728 JaffaCakes118_43efa4037db761e32029b520e817a5b0.exe 33 PID 2728 wrote to memory of 2640 2728 JaffaCakes118_43efa4037db761e32029b520e817a5b0.exe 33 PID 2728 wrote to memory of 2640 2728 JaffaCakes118_43efa4037db761e32029b520e817a5b0.exe 33 PID 2728 wrote to memory of 2640 2728 JaffaCakes118_43efa4037db761e32029b520e817a5b0.exe 33 PID 2728 wrote to memory of 2640 2728 JaffaCakes118_43efa4037db761e32029b520e817a5b0.exe 33 PID 2728 wrote to memory of 2640 2728 JaffaCakes118_43efa4037db761e32029b520e817a5b0.exe 33 PID 2728 wrote to memory of 2640 2728 JaffaCakes118_43efa4037db761e32029b520e817a5b0.exe 33 PID 2728 wrote to memory of 2640 2728 JaffaCakes118_43efa4037db761e32029b520e817a5b0.exe 33 PID 2728 wrote to memory of 2360 2728 JaffaCakes118_43efa4037db761e32029b520e817a5b0.exe 35 PID 2728 wrote to memory of 2360 2728 JaffaCakes118_43efa4037db761e32029b520e817a5b0.exe 35 PID 2728 wrote to memory of 2360 2728 JaffaCakes118_43efa4037db761e32029b520e817a5b0.exe 35 PID 2728 wrote to memory of 2360 2728 JaffaCakes118_43efa4037db761e32029b520e817a5b0.exe 35 PID 2728 wrote to memory of 2360 2728 JaffaCakes118_43efa4037db761e32029b520e817a5b0.exe 35 PID 2728 wrote to memory of 2360 2728 JaffaCakes118_43efa4037db761e32029b520e817a5b0.exe 35 PID 2728 wrote to memory of 2360 2728 JaffaCakes118_43efa4037db761e32029b520e817a5b0.exe 35 PID 2728 wrote to memory of 2360 2728 JaffaCakes118_43efa4037db761e32029b520e817a5b0.exe 35 PID 2728 wrote to memory of 2360 2728 JaffaCakes118_43efa4037db761e32029b520e817a5b0.exe 35
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_43efa4037db761e32029b520e817a5b0.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_43efa4037db761e32029b520e817a5b0.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2840 -
C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\cc.vbs"2⤵
- System Location Discovery: System Language Discovery
PID:2820
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_43efa4037db761e32029b520e817a5b0.exeC:\Users\Admin\AppData\Local\Temp\JaffaCakes118_43efa4037db761e32029b520e817a5b0.exe2⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2728 -
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_43efa4037db761e32029b520e817a5b0.exe/scomma "C:\Users\Admin\AppData\Local\Temp\WPWILyzg85.ini"3⤵
- System Location Discovery: System Language Discovery
PID:2640
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_43efa4037db761e32029b520e817a5b0.exe/scomma "C:\Users\Admin\AppData\Local\Temp\Q48ttQyvRB.ini"3⤵
- Accesses Microsoft Outlook accounts
- System Location Discovery: System Language Discovery
PID:2360
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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
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Filesize
375B
MD51801a31cd12df7029ac0463655957c12
SHA1620f563133832c9088b19dc097808fdc8eb8463e
SHA2567521a6698ac86d3ec42b45ffc2de6908c61789c69c6a5881b928810f1c1a699d
SHA512a3d34ebd5a734cc52f301e4cd46bf1cc556e0e781ac89aa8a3c7b21ceeba91b86a9a16e60afec498b3b1cc36e3911b82aac540eb0e4895ce4f9a1778c1d36cdb