Analysis
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max time kernel
142s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
29/03/2025, 20:21
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe
Resource
win7-20240903-en
General
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Target
JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe
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Size
1.9MB
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MD5
97c58b8ea171d3f901800e34c69141c3
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SHA1
5a1cf7700ee264cface9968ffcd749527ef51992
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SHA256
2f1f52855d71e532c986d86aaeb5753ad4b678b512ef056a8c2260612dccbb82
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SHA512
13c0dfb88cd0d33cd5af2dc0ada29ae645052beec0d718c43a6cd278d57effa3c8d402455022bc3ed4217c484041da851e9189ebc7c12a252770a940f6c5813e
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SSDEEP
49152:VeOYNw8+Cu9ifT5KzyrOTFfoPebTxc4w6SkN:VjtoVKzyrONoPMqkN
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/2316-52-0x0000000000400000-0x0000000000432000-memory.dmp family_isrstealer behavioral1/memory/2316-43-0x0000000000400000-0x0000000000432000-memory.dmp family_isrstealer behavioral1/memory/2316-66-0x0000000000400000-0x0000000000432000-memory.dmp family_isrstealer behavioral1/memory/2316-77-0x0000000000400000-0x0000000000432000-memory.dmp family_isrstealer -
Isrstealer family
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Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe -
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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Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 1804 set thread context of 2316 1804 JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe 32 PID 2316 set thread context of 2580 2316 JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe 33 -
resource yara_rule behavioral1/memory/2580-72-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2580-71-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2580-70-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2580-68-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2580-76-0x0000000000400000-0x0000000000453000-memory.dmp upx -
System Location Discovery: System Language Discovery 1 TTPs 4 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_97c58b8ea171d3f901800e34c69141c3.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe -
Modifies registry class 12 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D06818FC-4374-8FAD-76B6-BC3885DF62D8}\InprocServer32\2.0.50727\ = "2.0.50727" JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D06818FC-4374-8FAD-76B6-BC3885DF62D8}\ProgID\ = "CorSymReader_SxS" JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D06818FC-4374-8FAD-76B6-BC3885DF62D8}\Server JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D06818FC-4374-8FAD-76B6-BC3885DF62D8}\Server\ = "diasymreader.dll" JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D06818FC-4374-8FAD-76B6-BC3885DF62D8} JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D06818FC-4374-8FAD-76B6-BC3885DF62D8}\ = "NDP SymReader" JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D06818FC-4374-8FAD-76B6-BC3885DF62D8}\InprocServer32 JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D06818FC-4374-8FAD-76B6-BC3885DF62D8}\InprocServer32\ = "mscoree.dll" JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D06818FC-4374-8FAD-76B6-BC3885DF62D8}\InprocServer32\ThreadingModel = "Both" JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D06818FC-4374-8FAD-76B6-BC3885DF62D8}\InprocServer32\2.0.50727 JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D06818FC-4374-8FAD-76B6-BC3885DF62D8}\InprocServer32\2.0.50727\ImplementedInThisVersion JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D06818FC-4374-8FAD-76B6-BC3885DF62D8}\ProgID JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe -
NTFS ADS 2 IoCs
description ioc Process File opened for modification C:\ProgramData\TEMP:E0EC633E JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe File created C:\ProgramData\TEMP:E0EC633E JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: 33 1804 JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe Token: SeIncBasePriorityPrivilege 1804 JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe Token: 33 1804 JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe Token: SeIncBasePriorityPrivilege 1804 JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1804 JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe 2316 JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2104 wrote to memory of 1804 2104 JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe 30 PID 2104 wrote to memory of 1804 2104 JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe 30 PID 2104 wrote to memory of 1804 2104 JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe 30 PID 2104 wrote to memory of 1804 2104 JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe 30 PID 2104 wrote to memory of 1804 2104 JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe 30 PID 2104 wrote to memory of 1804 2104 JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe 30 PID 2104 wrote to memory of 1804 2104 JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe 30 PID 2104 wrote to memory of 1804 2104 JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe 30 PID 2104 wrote to memory of 1804 2104 JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe 30 PID 2104 wrote to memory of 1804 2104 JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe 30 PID 2104 wrote to memory of 1804 2104 JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe 30 PID 2104 wrote to memory of 1804 2104 JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe 30 PID 2104 wrote to memory of 1804 2104 JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe 30 PID 2104 wrote to memory of 1804 2104 JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe 30 PID 2104 wrote to memory of 1804 2104 JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe 30 PID 2104 wrote to memory of 1804 2104 JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe 30 PID 2104 wrote to memory of 1804 2104 JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe 30 PID 2104 wrote to memory of 1804 2104 JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe 30 PID 2104 wrote to memory of 1804 2104 JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe 30 PID 2104 wrote to memory of 1804 2104 JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe 30 PID 2104 wrote to memory of 1804 2104 JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe 30 PID 2104 wrote to memory of 1804 2104 JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe 30 PID 2104 wrote to memory of 1804 2104 JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe 30 PID 2104 wrote to memory of 1804 2104 JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe 30 PID 2104 wrote to memory of 1804 2104 JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe 30 PID 2104 wrote to memory of 1804 2104 JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe 30 PID 2104 wrote to memory of 1804 2104 JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe 30 PID 2104 wrote to memory of 1804 2104 JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe 30 PID 2104 wrote to memory of 1804 2104 JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe 30 PID 2104 wrote to memory of 1804 2104 JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe 30 PID 2104 wrote to memory of 1804 2104 JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe 30 PID 2104 wrote to memory of 1804 2104 JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe 30 PID 2104 wrote to memory of 1804 2104 JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe 30 PID 2104 wrote to memory of 1804 2104 JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe 30 PID 2104 wrote to memory of 1804 2104 JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe 30 PID 2104 wrote to memory of 1804 2104 JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe 30 PID 2104 wrote to memory of 1804 2104 JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe 30 PID 2104 wrote to memory of 1804 2104 JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe 30 PID 2104 wrote to memory of 1804 2104 JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe 30 PID 2104 wrote to memory of 1804 2104 JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe 30 PID 2104 wrote to memory of 1804 2104 JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe 30 PID 2104 wrote to memory of 1804 2104 JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe 30 PID 2104 wrote to memory of 1804 2104 JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe 30 PID 2104 wrote to memory of 1804 2104 JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe 30 PID 2104 wrote to memory of 1804 2104 JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe 30 PID 2104 wrote to memory of 1804 2104 JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe 30 PID 2104 wrote to memory of 1804 2104 JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe 30 PID 2104 wrote to memory of 1804 2104 JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe 30 PID 2104 wrote to memory of 1804 2104 JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe 30 PID 2104 wrote to memory of 1804 2104 JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe 30 PID 1804 wrote to memory of 2316 1804 JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe 32 PID 1804 wrote to memory of 2316 1804 JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe 32 PID 1804 wrote to memory of 2316 1804 JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe 32 PID 1804 wrote to memory of 2316 1804 JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe 32 PID 2104 wrote to memory of 1804 2104 JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe 30 PID 2104 wrote to memory of 1804 2104 JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe 30 PID 1804 wrote to memory of 2316 1804 JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe 32 PID 2104 wrote to memory of 1804 2104 JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe 30 PID 1804 wrote to memory of 2316 1804 JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe 32 PID 2104 wrote to memory of 1804 2104 JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe 30 PID 1804 wrote to memory of 2316 1804 JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe 32 PID 2104 wrote to memory of 1804 2104 JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe 30 PID 1804 wrote to memory of 2316 1804 JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe 32 PID 2104 wrote to memory of 1804 2104 JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2104 -
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe"2⤵
- Checks BIOS information in registry
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Modifies registry class
- NTFS ADS
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1804 -
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exeC:\Users\Admin\AppData\Local\Temp\JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe3⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:2316 -
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe/scomma "C:\Users\Admin\AppData\Local\Temp\tmp.ini"4⤵
- System Location Discovery: System Language Discovery
PID:2580
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