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Analysis
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max time kernel
93s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
04/01/2025, 17:44
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_7afc6d24be8597a755b2c186042e1274.exe
Resource
win7-20240903-en
General
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Target
JaffaCakes118_7afc6d24be8597a755b2c186042e1274.exe
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Size
260KB
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MD5
7afc6d24be8597a755b2c186042e1274
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SHA1
11486e29324e2c66f7f5881f4579fd94142b1bdc
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SHA256
10448b62b88d14b89c991cdf0a16df16b6b2093d150b17a525695c6586a867ff
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SHA512
2baac267f63317d29e1f769217676386977f02db164b82982f31362648ae5693032cacbe5d9bb665d4a7b2bb596266de5091a4130543a9f0df0d4f2675431ae3
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SSDEEP
6144:sQaebYyFI08UsCpCqVu4eqsIIJ3aKl06pZoZ4Tv2QxQWnaJptxAco:JcIg3a36vY4TeQxjnexAc
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 behavioral2/memory/3220-2-0x0000000000400000-0x0000000000434000-memory.dmp family_isrstealer behavioral2/memory/3220-4-0x0000000000400000-0x0000000000434000-memory.dmp family_isrstealer behavioral2/memory/3220-16-0x0000000000400000-0x0000000000434000-memory.dmp family_isrstealer -
Isrstealer family
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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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Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 4332 set thread context of 3220 4332 JaffaCakes118_7afc6d24be8597a755b2c186042e1274.exe 82 PID 3220 set thread context of 3208 3220 JaffaCakes118_7afc6d24be8597a755b2c186042e1274.exe 83 -
resource yara_rule behavioral2/memory/3208-7-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/3208-9-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/3208-11-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/3208-10-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/3208-13-0x0000000000400000-0x0000000000453000-memory.dmp upx -
System Location Discovery: System Language Discovery 1 TTPs 3 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_7afc6d24be8597a755b2c186042e1274.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_7afc6d24be8597a755b2c186042e1274.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_7afc6d24be8597a755b2c186042e1274.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4332 JaffaCakes118_7afc6d24be8597a755b2c186042e1274.exe 3220 JaffaCakes118_7afc6d24be8597a755b2c186042e1274.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 4332 wrote to memory of 3220 4332 JaffaCakes118_7afc6d24be8597a755b2c186042e1274.exe 82 PID 4332 wrote to memory of 3220 4332 JaffaCakes118_7afc6d24be8597a755b2c186042e1274.exe 82 PID 4332 wrote to memory of 3220 4332 JaffaCakes118_7afc6d24be8597a755b2c186042e1274.exe 82 PID 4332 wrote to memory of 3220 4332 JaffaCakes118_7afc6d24be8597a755b2c186042e1274.exe 82 PID 4332 wrote to memory of 3220 4332 JaffaCakes118_7afc6d24be8597a755b2c186042e1274.exe 82 PID 4332 wrote to memory of 3220 4332 JaffaCakes118_7afc6d24be8597a755b2c186042e1274.exe 82 PID 4332 wrote to memory of 3220 4332 JaffaCakes118_7afc6d24be8597a755b2c186042e1274.exe 82 PID 4332 wrote to memory of 3220 4332 JaffaCakes118_7afc6d24be8597a755b2c186042e1274.exe 82 PID 3220 wrote to memory of 3208 3220 JaffaCakes118_7afc6d24be8597a755b2c186042e1274.exe 83 PID 3220 wrote to memory of 3208 3220 JaffaCakes118_7afc6d24be8597a755b2c186042e1274.exe 83 PID 3220 wrote to memory of 3208 3220 JaffaCakes118_7afc6d24be8597a755b2c186042e1274.exe 83 PID 3220 wrote to memory of 3208 3220 JaffaCakes118_7afc6d24be8597a755b2c186042e1274.exe 83 PID 3220 wrote to memory of 3208 3220 JaffaCakes118_7afc6d24be8597a755b2c186042e1274.exe 83 PID 3220 wrote to memory of 3208 3220 JaffaCakes118_7afc6d24be8597a755b2c186042e1274.exe 83 PID 3220 wrote to memory of 3208 3220 JaffaCakes118_7afc6d24be8597a755b2c186042e1274.exe 83 PID 3220 wrote to memory of 3208 3220 JaffaCakes118_7afc6d24be8597a755b2c186042e1274.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7afc6d24be8597a755b2c186042e1274.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7afc6d24be8597a755b2c186042e1274.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4332 -
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7afc6d24be8597a755b2c186042e1274.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7afc6d24be8597a755b2c186042e1274.exe"2⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3220 -
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7afc6d24be8597a755b2c186042e1274.exe/scomma "C:\Users\Admin\AppData\Local\Temp\tmp.ini"3⤵
- System Location Discovery: System Language Discovery
PID:3208
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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