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Analysis
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max time kernel
117s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
19/02/2025, 15:17
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_0639b299da5714182eaedac2777ce747.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
JaffaCakes118_0639b299da5714182eaedac2777ce747.exe
Resource
win10v2004-20250217-en
General
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Target
JaffaCakes118_0639b299da5714182eaedac2777ce747.exe
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Size
754KB
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MD5
0639b299da5714182eaedac2777ce747
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SHA1
de1cfaddd2249b4bacdf923436a6bb215daacb5a
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SHA256
84109b60260a022874eb5ae6b9c2fb0d5a91e03d43d0c0d3264a948fa4ff5328
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SHA512
3e3b3b647d54bb39fad63c8453dfd7a4f2bc1a0f1fd417fde340cb86cb8fd2dcf8a3b7873c7d4f661d60ebfbef9d46bd5e7cd8451210a6691e0b42fc1353aab2
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SSDEEP
12288:2fufAbgEdQI8cot7GKLv7vUpUe093Rdk+BTEySTlA/7E6o3xHlv727baTsBnQxfo:2f2X//AU/O0EDIGnkr
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/2720-14-0x0000000000400000-0x0000000000470000-memory.dmp family_isrstealer behavioral1/memory/2720-12-0x0000000000400000-0x0000000000470000-memory.dmp family_isrstealer behavioral1/memory/2720-8-0x0000000000400000-0x0000000000470000-memory.dmp family_isrstealer behavioral1/memory/2720-59-0x0000000000400000-0x0000000000470000-memory.dmp family_isrstealer -
Isrstealer family
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Detected Nirsoft tools 7 IoCs
Free utilities often used by attackers which can steal passwords, product keys, etc.
resource yara_rule behavioral1/memory/2964-45-0x0000000000400000-0x0000000000454000-memory.dmp Nirsoft behavioral1/memory/1644-55-0x0000000000400000-0x000000000041F000-memory.dmp Nirsoft behavioral1/memory/1644-54-0x0000000000400000-0x000000000041F000-memory.dmp Nirsoft behavioral1/memory/2964-43-0x0000000000400000-0x0000000000454000-memory.dmp Nirsoft behavioral1/memory/2964-41-0x0000000000400000-0x0000000000454000-memory.dmp Nirsoft behavioral1/memory/2964-57-0x0000000000400000-0x0000000000454000-memory.dmp Nirsoft behavioral1/memory/1644-58-0x0000000000400000-0x000000000041F000-memory.dmp Nirsoft -
NirSoft MailPassView 3 IoCs
Password recovery tool for various email clients
resource yara_rule behavioral1/memory/1644-55-0x0000000000400000-0x000000000041F000-memory.dmp MailPassView behavioral1/memory/1644-54-0x0000000000400000-0x000000000041F000-memory.dmp MailPassView behavioral1/memory/1644-58-0x0000000000400000-0x000000000041F000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 4 IoCs
Password recovery tool for various web browsers
resource yara_rule behavioral1/memory/2964-45-0x0000000000400000-0x0000000000454000-memory.dmp WebBrowserPassView behavioral1/memory/2964-43-0x0000000000400000-0x0000000000454000-memory.dmp WebBrowserPassView behavioral1/memory/2964-41-0x0000000000400000-0x0000000000454000-memory.dmp WebBrowserPassView behavioral1/memory/2964-57-0x0000000000400000-0x0000000000454000-memory.dmp WebBrowserPassView -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts JaffaCakes118_0639b299da5714182eaedac2777ce747.exe -
Suspicious use of SetThreadContext 4 IoCs
description pid Process procid_target PID 1732 set thread context of 2720 1732 JaffaCakes118_0639b299da5714182eaedac2777ce747.exe 31 PID 2720 set thread context of 3012 2720 JaffaCakes118_0639b299da5714182eaedac2777ce747.exe 32 PID 3012 set thread context of 2964 3012 JaffaCakes118_0639b299da5714182eaedac2777ce747.exe 33 PID 3012 set thread context of 1644 3012 JaffaCakes118_0639b299da5714182eaedac2777ce747.exe 35 -
resource yara_rule behavioral1/memory/1644-55-0x0000000000400000-0x000000000041F000-memory.dmp upx behavioral1/memory/1644-54-0x0000000000400000-0x000000000041F000-memory.dmp upx behavioral1/memory/1644-53-0x0000000000400000-0x000000000041F000-memory.dmp upx behavioral1/memory/1644-50-0x0000000000400000-0x000000000041F000-memory.dmp upx behavioral1/memory/1644-58-0x0000000000400000-0x000000000041F000-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_0639b299da5714182eaedac2777ce747.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_0639b299da5714182eaedac2777ce747.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_0639b299da5714182eaedac2777ce747.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_0639b299da5714182eaedac2777ce747.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_0639b299da5714182eaedac2777ce747.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2720 JaffaCakes118_0639b299da5714182eaedac2777ce747.exe 2720 JaffaCakes118_0639b299da5714182eaedac2777ce747.exe 2720 JaffaCakes118_0639b299da5714182eaedac2777ce747.exe 2720 JaffaCakes118_0639b299da5714182eaedac2777ce747.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1732 JaffaCakes118_0639b299da5714182eaedac2777ce747.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2720 JaffaCakes118_0639b299da5714182eaedac2777ce747.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1732 wrote to memory of 2720 1732 JaffaCakes118_0639b299da5714182eaedac2777ce747.exe 31 PID 1732 wrote to memory of 2720 1732 JaffaCakes118_0639b299da5714182eaedac2777ce747.exe 31 PID 1732 wrote to memory of 2720 1732 JaffaCakes118_0639b299da5714182eaedac2777ce747.exe 31 PID 1732 wrote to memory of 2720 1732 JaffaCakes118_0639b299da5714182eaedac2777ce747.exe 31 PID 1732 wrote to memory of 2720 1732 JaffaCakes118_0639b299da5714182eaedac2777ce747.exe 31 PID 1732 wrote to memory of 2720 1732 JaffaCakes118_0639b299da5714182eaedac2777ce747.exe 31 PID 1732 wrote to memory of 2720 1732 JaffaCakes118_0639b299da5714182eaedac2777ce747.exe 31 PID 1732 wrote to memory of 2720 1732 JaffaCakes118_0639b299da5714182eaedac2777ce747.exe 31 PID 2720 wrote to memory of 3012 2720 JaffaCakes118_0639b299da5714182eaedac2777ce747.exe 32 PID 2720 wrote to memory of 3012 2720 JaffaCakes118_0639b299da5714182eaedac2777ce747.exe 32 PID 2720 wrote to memory of 3012 2720 JaffaCakes118_0639b299da5714182eaedac2777ce747.exe 32 PID 2720 wrote to memory of 3012 2720 JaffaCakes118_0639b299da5714182eaedac2777ce747.exe 32 PID 2720 wrote to memory of 3012 2720 JaffaCakes118_0639b299da5714182eaedac2777ce747.exe 32 PID 2720 wrote to memory of 3012 2720 JaffaCakes118_0639b299da5714182eaedac2777ce747.exe 32 PID 2720 wrote to memory of 3012 2720 JaffaCakes118_0639b299da5714182eaedac2777ce747.exe 32 PID 2720 wrote to memory of 3012 2720 JaffaCakes118_0639b299da5714182eaedac2777ce747.exe 32 PID 2720 wrote to memory of 3012 2720 JaffaCakes118_0639b299da5714182eaedac2777ce747.exe 32 PID 2720 wrote to memory of 3012 2720 JaffaCakes118_0639b299da5714182eaedac2777ce747.exe 32 PID 2720 wrote to memory of 3012 2720 JaffaCakes118_0639b299da5714182eaedac2777ce747.exe 32 PID 2720 wrote to memory of 3012 2720 JaffaCakes118_0639b299da5714182eaedac2777ce747.exe 32 PID 3012 wrote to memory of 2964 3012 JaffaCakes118_0639b299da5714182eaedac2777ce747.exe 33 PID 3012 wrote to memory of 2964 3012 JaffaCakes118_0639b299da5714182eaedac2777ce747.exe 33 PID 3012 wrote to memory of 2964 3012 JaffaCakes118_0639b299da5714182eaedac2777ce747.exe 33 PID 3012 wrote to memory of 2964 3012 JaffaCakes118_0639b299da5714182eaedac2777ce747.exe 33 PID 3012 wrote to memory of 2964 3012 JaffaCakes118_0639b299da5714182eaedac2777ce747.exe 33 PID 3012 wrote to memory of 2964 3012 JaffaCakes118_0639b299da5714182eaedac2777ce747.exe 33 PID 3012 wrote to memory of 2428 3012 JaffaCakes118_0639b299da5714182eaedac2777ce747.exe 34 PID 3012 wrote to memory of 2428 3012 JaffaCakes118_0639b299da5714182eaedac2777ce747.exe 34 PID 3012 wrote to memory of 2428 3012 JaffaCakes118_0639b299da5714182eaedac2777ce747.exe 34 PID 3012 wrote to memory of 2428 3012 JaffaCakes118_0639b299da5714182eaedac2777ce747.exe 34 PID 3012 wrote to memory of 1644 3012 JaffaCakes118_0639b299da5714182eaedac2777ce747.exe 35 PID 3012 wrote to memory of 1644 3012 JaffaCakes118_0639b299da5714182eaedac2777ce747.exe 35 PID 3012 wrote to memory of 1644 3012 JaffaCakes118_0639b299da5714182eaedac2777ce747.exe 35 PID 3012 wrote to memory of 1644 3012 JaffaCakes118_0639b299da5714182eaedac2777ce747.exe 35 PID 3012 wrote to memory of 1644 3012 JaffaCakes118_0639b299da5714182eaedac2777ce747.exe 35 PID 3012 wrote to memory of 1644 3012 JaffaCakes118_0639b299da5714182eaedac2777ce747.exe 35
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0639b299da5714182eaedac2777ce747.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0639b299da5714182eaedac2777ce747.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1732 -
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0639b299da5714182eaedac2777ce747.exeC:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0639b299da5714182eaedac2777ce747.exe2⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2720 -
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0639b299da5714182eaedac2777ce747.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0639b299da5714182eaedac2777ce747.exe"3⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3012 -
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0639b299da5714182eaedac2777ce747.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0639b299da5714182eaedac2777ce747.exe" /scomma C:\Users\Admin\AppData\Local\Temp\data.dmp4⤵
- System Location Discovery: System Language Discovery
PID:2964
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0639b299da5714182eaedac2777ce747.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0639b299da5714182eaedac2777ce747.exe" /scomma C:\Users\Admin\AppData\Local\Temp\data1.dmp4⤵PID:2428
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0639b299da5714182eaedac2777ce747.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0639b299da5714182eaedac2777ce747.exe" /scomma C:\Users\Admin\AppData\Local\Temp\data2.dmp4⤵
- Accesses Microsoft Outlook accounts
- System Location Discovery: System Language Discovery
PID:1644
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