Analysis
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max time kernel
32s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
06-02-2025 09:21
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_a99b1e48221b678c4da6621cc645bf0f.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
JaffaCakes118_a99b1e48221b678c4da6621cc645bf0f.exe
Resource
win10v2004-20250129-en
General
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Target
JaffaCakes118_a99b1e48221b678c4da6621cc645bf0f.exe
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Size
697KB
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MD5
a99b1e48221b678c4da6621cc645bf0f
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SHA1
abbf4d11dc1ea12cdb96a13ac3fb9c7978dc078b
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SHA256
1ea24c494567b22d017f86556288372e708d7cfacd45472aa45568bd5102b271
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SHA512
ac15d68dfdc70224c698bd5515c60425d4ea202853e9504382ce950e31fa89213d132bac8cca8eec60d298ba20c6fdfb458b72450185a1b5d1e5f1fe9a0d86aa
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SSDEEP
12288:tirqB1AG3coGYUoQdqqJ6/uxOuMve/VOPhfFDwYl2vzcBtMmcRpaBtDnegA+G9bp:IM1AGcoktdqX/u/kPNF9lkHmWaBtn2bp
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/3012-54-0x0000000000400000-0x0000000000470000-memory.dmp family_isrstealer behavioral1/memory/3012-57-0x0000000000400000-0x0000000000470000-memory.dmp family_isrstealer behavioral1/memory/3012-59-0x0000000000400000-0x0000000000470000-memory.dmp family_isrstealer -
Isrstealer family
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Detected Nirsoft tools 8 IoCs
Free utilities often used by attackers which can steal passwords, product keys, etc.
resource yara_rule behavioral1/memory/1856-103-0x0000000000400000-0x0000000000454000-memory.dmp Nirsoft behavioral1/memory/1648-133-0x0000000000400000-0x0000000000426000-memory.dmp Nirsoft behavioral1/memory/1648-130-0x0000000000400000-0x0000000000426000-memory.dmp Nirsoft behavioral1/memory/1668-129-0x0000000000400000-0x000000000041F000-memory.dmp Nirsoft behavioral1/memory/1668-122-0x0000000000400000-0x000000000041F000-memory.dmp Nirsoft behavioral1/memory/1856-98-0x0000000000400000-0x0000000000454000-memory.dmp Nirsoft behavioral1/memory/1856-95-0x0000000000400000-0x0000000000454000-memory.dmp Nirsoft behavioral1/memory/1668-140-0x0000000000400000-0x000000000041F000-memory.dmp Nirsoft -
NirSoft MailPassView 3 IoCs
Password recovery tool for various email clients
resource yara_rule behavioral1/memory/1668-129-0x0000000000400000-0x000000000041F000-memory.dmp MailPassView behavioral1/memory/1668-122-0x0000000000400000-0x000000000041F000-memory.dmp MailPassView behavioral1/memory/1668-140-0x0000000000400000-0x000000000041F000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 3 IoCs
Password recovery tool for various web browsers
resource yara_rule behavioral1/memory/1856-103-0x0000000000400000-0x0000000000454000-memory.dmp WebBrowserPassView behavioral1/memory/1856-98-0x0000000000400000-0x0000000000454000-memory.dmp WebBrowserPassView behavioral1/memory/1856-95-0x0000000000400000-0x0000000000454000-memory.dmp WebBrowserPassView -
Executes dropped EXE 8 IoCs
pid Process 1988 Keygen.exe 2380 xxxxxx.exe 2188 xxxxxx.exe 3012 xxxxxx.exe 1852 xxxxxx.exe 1856 xxxxxx.exe 1668 xxxxxx.exe 1648 xxxxxx.exe -
Loads dropped DLL 32 IoCs
pid Process 2516 JaffaCakes118_a99b1e48221b678c4da6621cc645bf0f.exe 1988 Keygen.exe 1988 Keygen.exe 2516 JaffaCakes118_a99b1e48221b678c4da6621cc645bf0f.exe 2516 JaffaCakes118_a99b1e48221b678c4da6621cc645bf0f.exe 2380 xxxxxx.exe 2380 xxxxxx.exe 2380 xxxxxx.exe 2380 xxxxxx.exe 2188 xxxxxx.exe 2188 xxxxxx.exe 2188 xxxxxx.exe 2380 xxxxxx.exe 3012 xxxxxx.exe 3012 xxxxxx.exe 3012 xxxxxx.exe 3012 xxxxxx.exe 1852 xxxxxx.exe 1852 xxxxxx.exe 1852 xxxxxx.exe 1852 xxxxxx.exe 1852 xxxxxx.exe 1856 xxxxxx.exe 1856 xxxxxx.exe 1856 xxxxxx.exe 1852 xxxxxx.exe 1668 xxxxxx.exe 1668 xxxxxx.exe 1668 xxxxxx.exe 1648 xxxxxx.exe 1648 xxxxxx.exe 1648 xxxxxx.exe -
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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts xxxxxx.exe -
Suspicious use of SetThreadContext 6 IoCs
description pid Process procid_target PID 2380 set thread context of 2188 2380 xxxxxx.exe 34 PID 2380 set thread context of 3012 2380 xxxxxx.exe 37 PID 3012 set thread context of 1852 3012 xxxxxx.exe 38 PID 1852 set thread context of 1856 1852 xxxxxx.exe 39 PID 1852 set thread context of 1648 1852 xxxxxx.exe 40 PID 1852 set thread context of 1668 1852 xxxxxx.exe 41 -
resource yara_rule behavioral1/memory/2188-45-0x0000000000400000-0x000000000040C000-memory.dmp upx behavioral1/memory/2188-43-0x0000000000400000-0x000000000040C000-memory.dmp upx behavioral1/memory/2188-39-0x0000000000400000-0x000000000040C000-memory.dmp upx behavioral1/memory/2188-37-0x0000000000400000-0x000000000040C000-memory.dmp upx behavioral1/memory/2188-34-0x0000000000400000-0x000000000040C000-memory.dmp upx behavioral1/memory/2188-32-0x0000000000400000-0x000000000040C000-memory.dmp upx behavioral1/memory/1648-133-0x0000000000400000-0x0000000000426000-memory.dmp upx behavioral1/memory/1648-130-0x0000000000400000-0x0000000000426000-memory.dmp upx behavioral1/memory/1668-129-0x0000000000400000-0x000000000041F000-memory.dmp upx behavioral1/memory/1648-123-0x0000000000400000-0x0000000000426000-memory.dmp upx behavioral1/memory/1668-122-0x0000000000400000-0x000000000041F000-memory.dmp upx behavioral1/memory/1668-120-0x0000000000400000-0x000000000041F000-memory.dmp upx behavioral1/memory/1668-116-0x0000000000400000-0x000000000041F000-memory.dmp upx behavioral1/memory/1668-112-0x0000000000400000-0x000000000041F000-memory.dmp upx behavioral1/memory/1648-107-0x0000000000400000-0x0000000000426000-memory.dmp upx behavioral1/memory/2188-134-0x0000000000400000-0x000000000040C000-memory.dmp upx behavioral1/memory/1668-140-0x0000000000400000-0x000000000041F000-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 11 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 xxxxxx.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language xxxxxx.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ipconfig.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language xxxxxx.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ipconfig.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language xxxxxx.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language xxxxxx.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language xxxxxx.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_a99b1e48221b678c4da6621cc645bf0f.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Keygen.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language xxxxxx.exe -
Gathers network information 2 TTPs 2 IoCs
Uses commandline utility to view network configuration.
pid Process 2808 ipconfig.exe 2572 ipconfig.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2188 xxxxxx.exe 2188 xxxxxx.exe 2188 xxxxxx.exe 2188 xxxxxx.exe 2188 xxxxxx.exe 2188 xxxxxx.exe 2188 xxxxxx.exe 2188 xxxxxx.exe 2188 xxxxxx.exe 2188 xxxxxx.exe 2188 xxxxxx.exe 2188 xxxxxx.exe 2188 xxxxxx.exe 2188 xxxxxx.exe 2188 xxxxxx.exe 2188 xxxxxx.exe 2188 xxxxxx.exe 2188 xxxxxx.exe 2188 xxxxxx.exe 2188 xxxxxx.exe 2188 xxxxxx.exe 2188 xxxxxx.exe 2188 xxxxxx.exe 2188 xxxxxx.exe 2188 xxxxxx.exe 2188 xxxxxx.exe 2188 xxxxxx.exe 2188 xxxxxx.exe 2188 xxxxxx.exe 2188 xxxxxx.exe 2188 xxxxxx.exe 2188 xxxxxx.exe 2188 xxxxxx.exe 2188 xxxxxx.exe 2188 xxxxxx.exe 2188 xxxxxx.exe 2188 xxxxxx.exe 2188 xxxxxx.exe 2188 xxxxxx.exe 2188 xxxxxx.exe 2188 xxxxxx.exe 2188 xxxxxx.exe 2188 xxxxxx.exe 2188 xxxxxx.exe 2188 xxxxxx.exe 2188 xxxxxx.exe 2188 xxxxxx.exe 2188 xxxxxx.exe 2188 xxxxxx.exe 2188 xxxxxx.exe 2188 xxxxxx.exe 2188 xxxxxx.exe 2188 xxxxxx.exe 2188 xxxxxx.exe 2188 xxxxxx.exe 2188 xxxxxx.exe 2188 xxxxxx.exe 2188 xxxxxx.exe 2188 xxxxxx.exe 2188 xxxxxx.exe 2188 xxxxxx.exe 2188 xxxxxx.exe 2188 xxxxxx.exe 2188 xxxxxx.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1648 xxxxxx.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 2380 xxxxxx.exe 2188 xxxxxx.exe 3012 xxxxxx.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2516 wrote to memory of 1988 2516 JaffaCakes118_a99b1e48221b678c4da6621cc645bf0f.exe 30 PID 2516 wrote to memory of 1988 2516 JaffaCakes118_a99b1e48221b678c4da6621cc645bf0f.exe 30 PID 2516 wrote to memory of 1988 2516 JaffaCakes118_a99b1e48221b678c4da6621cc645bf0f.exe 30 PID 2516 wrote to memory of 1988 2516 JaffaCakes118_a99b1e48221b678c4da6621cc645bf0f.exe 30 PID 2516 wrote to memory of 1988 2516 JaffaCakes118_a99b1e48221b678c4da6621cc645bf0f.exe 30 PID 2516 wrote to memory of 1988 2516 JaffaCakes118_a99b1e48221b678c4da6621cc645bf0f.exe 30 PID 2516 wrote to memory of 1988 2516 JaffaCakes118_a99b1e48221b678c4da6621cc645bf0f.exe 30 PID 2516 wrote to memory of 2380 2516 JaffaCakes118_a99b1e48221b678c4da6621cc645bf0f.exe 31 PID 2516 wrote to memory of 2380 2516 JaffaCakes118_a99b1e48221b678c4da6621cc645bf0f.exe 31 PID 2516 wrote to memory of 2380 2516 JaffaCakes118_a99b1e48221b678c4da6621cc645bf0f.exe 31 PID 2516 wrote to memory of 2380 2516 JaffaCakes118_a99b1e48221b678c4da6621cc645bf0f.exe 31 PID 2516 wrote to memory of 2380 2516 JaffaCakes118_a99b1e48221b678c4da6621cc645bf0f.exe 31 PID 2516 wrote to memory of 2380 2516 JaffaCakes118_a99b1e48221b678c4da6621cc645bf0f.exe 31 PID 2516 wrote to memory of 2380 2516 JaffaCakes118_a99b1e48221b678c4da6621cc645bf0f.exe 31 PID 2380 wrote to memory of 2808 2380 xxxxxx.exe 32 PID 2380 wrote to memory of 2808 2380 xxxxxx.exe 32 PID 2380 wrote to memory of 2808 2380 xxxxxx.exe 32 PID 2380 wrote to memory of 2808 2380 xxxxxx.exe 32 PID 2380 wrote to memory of 2808 2380 xxxxxx.exe 32 PID 2380 wrote to memory of 2808 2380 xxxxxx.exe 32 PID 2380 wrote to memory of 2808 2380 xxxxxx.exe 32 PID 2380 wrote to memory of 2188 2380 xxxxxx.exe 34 PID 2380 wrote to memory of 2188 2380 xxxxxx.exe 34 PID 2380 wrote to memory of 2188 2380 xxxxxx.exe 34 PID 2380 wrote to memory of 2188 2380 xxxxxx.exe 34 PID 2380 wrote to memory of 2188 2380 xxxxxx.exe 34 PID 2380 wrote to memory of 2188 2380 xxxxxx.exe 34 PID 2380 wrote to memory of 2188 2380 xxxxxx.exe 34 PID 2380 wrote to memory of 2188 2380 xxxxxx.exe 34 PID 2380 wrote to memory of 2188 2380 xxxxxx.exe 34 PID 2380 wrote to memory of 2188 2380 xxxxxx.exe 34 PID 2380 wrote to memory of 2188 2380 xxxxxx.exe 34 PID 2188 wrote to memory of 2572 2188 xxxxxx.exe 35 PID 2188 wrote to memory of 2572 2188 xxxxxx.exe 35 PID 2188 wrote to memory of 2572 2188 xxxxxx.exe 35 PID 2188 wrote to memory of 2572 2188 xxxxxx.exe 35 PID 2188 wrote to memory of 2572 2188 xxxxxx.exe 35 PID 2188 wrote to memory of 2572 2188 xxxxxx.exe 35 PID 2188 wrote to memory of 2572 2188 xxxxxx.exe 35 PID 2380 wrote to memory of 3012 2380 xxxxxx.exe 37 PID 2380 wrote to memory of 3012 2380 xxxxxx.exe 37 PID 2380 wrote to memory of 3012 2380 xxxxxx.exe 37 PID 2380 wrote to memory of 3012 2380 xxxxxx.exe 37 PID 2380 wrote to memory of 3012 2380 xxxxxx.exe 37 PID 2380 wrote to memory of 3012 2380 xxxxxx.exe 37 PID 2380 wrote to memory of 3012 2380 xxxxxx.exe 37 PID 2380 wrote to memory of 3012 2380 xxxxxx.exe 37 PID 2380 wrote to memory of 3012 2380 xxxxxx.exe 37 PID 2380 wrote to memory of 3012 2380 xxxxxx.exe 37 PID 2380 wrote to memory of 3012 2380 xxxxxx.exe 37 PID 3012 wrote to memory of 1852 3012 xxxxxx.exe 38 PID 3012 wrote to memory of 1852 3012 xxxxxx.exe 38 PID 3012 wrote to memory of 1852 3012 xxxxxx.exe 38 PID 3012 wrote to memory of 1852 3012 xxxxxx.exe 38 PID 3012 wrote to memory of 1852 3012 xxxxxx.exe 38 PID 3012 wrote to memory of 1852 3012 xxxxxx.exe 38 PID 3012 wrote to memory of 1852 3012 xxxxxx.exe 38 PID 3012 wrote to memory of 1852 3012 xxxxxx.exe 38 PID 3012 wrote to memory of 1852 3012 xxxxxx.exe 38 PID 3012 wrote to memory of 1852 3012 xxxxxx.exe 38 PID 3012 wrote to memory of 1852 3012 xxxxxx.exe 38 PID 3012 wrote to memory of 1852 3012 xxxxxx.exe 38 PID 3012 wrote to memory of 1852 3012 xxxxxx.exe 38 PID 3012 wrote to memory of 1852 3012 xxxxxx.exe 38
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a99b1e48221b678c4da6621cc645bf0f.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a99b1e48221b678c4da6621cc645bf0f.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2516 -
C:\Users\Admin\AppData\Local\Temp\Keygen.exe"C:\Users\Admin\AppData\Local\Temp\Keygen.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:1988
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C:\Users\Admin\AppData\Local\Temp\xxxxxx.exe"C:\Users\Admin\AppData\Local\Temp\xxxxxx.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2380 -
C:\Windows\SysWOW64\ipconfig.exe"C:\Windows\System32\ipconfig.exe" /release3⤵
- System Location Discovery: System Language Discovery
- Gathers network information
PID:2808
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C:\Users\Admin\AppData\Local\Temp\xxxxxx.exe"C:\Users\Admin\AppData\Local\Temp\xxxxxx.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2188 -
C:\Windows\SysWOW64\ipconfig.exeipconfig /renew4⤵
- System Location Discovery: System Language Discovery
- Gathers network information
PID:2572
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C:\Users\Admin\AppData\Local\Temp\xxxxxx.exe"C:\Users\Admin\AppData\Local\Temp\xxxxxx.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3012 -
C:\Users\Admin\AppData\Local\Temp\xxxxxx.exe"C:\Users\Admin\AppData\Local\Temp\xxxxxx.exe"4⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
PID:1852 -
C:\Users\Admin\AppData\Local\Temp\xxxxxx.exe"C:\Users\Admin\AppData\Local\Temp\xxxxxx.exe" /scomma C:\Users\Admin\AppData\Local\Temp\data.dmp5⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:1856
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C:\Users\Admin\AppData\Local\Temp\xxxxxx.exe"C:\Users\Admin\AppData\Local\Temp\xxxxxx.exe" /scomma C:\Users\Admin\AppData\Local\Temp\data1.dmp5⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1648
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C:\Users\Admin\AppData\Local\Temp\xxxxxx.exe"C:\Users\Admin\AppData\Local\Temp\xxxxxx.exe" /scomma C:\Users\Admin\AppData\Local\Temp\data2.dmp5⤵
- Executes dropped EXE
- Loads dropped DLL
- Accesses Microsoft Outlook accounts
- System Location Discovery: System Language Discovery
PID:1668
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
217KB
MD5df5a77b4574b4034aa7bb632d80bcf98
SHA118b02e09b573806a4c14919755aea053a48846a7
SHA2565734ec906648d40a255b5e22e77fea99f1bb2cc237dc506549a5259e9f0da08c
SHA5124833e80cc50349ec37af8f408841687db4ce5b66fe185b12d7c564f5f45799bea6a35adbf655d2630436be246a6bb7a91dd2cf50c552848b24895b7dfa21506a
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Filesize
548KB
MD54d6bc1d7974c06161e1ed65c7f0a20a8
SHA11a98ef9a70d39f916a81e0e8c9cf95c8c145744b
SHA256024140fb411c120a4f7bdab9a46959b60da178910106bd0d73196a479243947c
SHA512c2d1b78364de65346e64e0fd0bed87c4ab110de1e03705b68489503f5069053a647d478c7b0c5217cc8f9f40fe39deceb2c809a714a92ffc8c741d273799e5ee