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Analysis
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max time kernel
93s -
max time network
131s -
platform
windows10-2004_x64 -
resource
win10v2004-20250129-en -
resource tags
arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system -
submitted
29/01/2025, 01:05
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_5119b8df58fae088f338fb83d9a2b3bc.exe
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
JaffaCakes118_5119b8df58fae088f338fb83d9a2b3bc.exe
Resource
win10v2004-20250129-en
General
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Target
JaffaCakes118_5119b8df58fae088f338fb83d9a2b3bc.exe
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Size
933KB
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MD5
5119b8df58fae088f338fb83d9a2b3bc
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SHA1
5d6ffd11b68784c6342dc03a044fea4f2550ee1f
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SHA256
936daa7b23217158833c1e1b9b05a1ebfb07caa12ad53d11481f2c510f30d6fb
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SHA512
83a0df00d54c89d5f624a211a8f84d421e57d452dd8aa9439822ca218835f8980d149eb392d2adae4064f8a0cafeb2e9c9c46b32c9130b00ee93e0eb1a592e88
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SSDEEP
12288:ApegXVGSgu10Vdx2mT0tL5kDrPrIrpJl3FbONGNT19Himy8H4CNjGzwUOOUjjoKc:AZsSaQ4PAZ2CJxHjjohNb4i
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 behavioral2/memory/3020-18-0x0000000000400000-0x0000000000435000-memory.dmp family_isrstealer behavioral2/memory/3020-22-0x0000000000400000-0x0000000000435000-memory.dmp family_isrstealer behavioral2/memory/3020-38-0x0000000000400000-0x0000000000435000-memory.dmp family_isrstealer behavioral2/memory/3020-41-0x0000000000400000-0x0000000000435000-memory.dmp family_isrstealer -
Isrstealer family
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3625106387-4207083342-115176794-1000\Control Panel\International\Geo\Nation JaffaCakes118_5119b8df58fae088f338fb83d9a2b3bc.exe -
Executes dropped EXE 3 IoCs
pid Process 1548 AutoUpdatePlus.exe 3020 svchost.exe 3648 svchost.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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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3625106387-4207083342-115176794-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\1 = "C:\\Users\\Admin\\AppData\\Roaming\\JaffaCakes118_5119b8df58fae088f338fb83d9a2b3bc.exe" JaffaCakes118_5119b8df58fae088f338fb83d9a2b3bc.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 4504 set thread context of 3020 4504 JaffaCakes118_5119b8df58fae088f338fb83d9a2b3bc.exe 86 PID 3020 set thread context of 3648 3020 svchost.exe 87 -
resource yara_rule behavioral2/memory/3648-29-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/3648-31-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/3648-32-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/3648-36-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/3648-26-0x0000000000400000-0x0000000000453000-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 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 AutoUpdatePlus.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_5119b8df58fae088f338fb83d9a2b3bc.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 1548 AutoUpdatePlus.exe 1548 AutoUpdatePlus.exe 1548 AutoUpdatePlus.exe 1548 AutoUpdatePlus.exe 3020 svchost.exe -
Suspicious use of WriteProcessMemory 19 IoCs
description pid Process procid_target PID 4504 wrote to memory of 1548 4504 JaffaCakes118_5119b8df58fae088f338fb83d9a2b3bc.exe 85 PID 4504 wrote to memory of 1548 4504 JaffaCakes118_5119b8df58fae088f338fb83d9a2b3bc.exe 85 PID 4504 wrote to memory of 1548 4504 JaffaCakes118_5119b8df58fae088f338fb83d9a2b3bc.exe 85 PID 4504 wrote to memory of 3020 4504 JaffaCakes118_5119b8df58fae088f338fb83d9a2b3bc.exe 86 PID 4504 wrote to memory of 3020 4504 JaffaCakes118_5119b8df58fae088f338fb83d9a2b3bc.exe 86 PID 4504 wrote to memory of 3020 4504 JaffaCakes118_5119b8df58fae088f338fb83d9a2b3bc.exe 86 PID 4504 wrote to memory of 3020 4504 JaffaCakes118_5119b8df58fae088f338fb83d9a2b3bc.exe 86 PID 4504 wrote to memory of 3020 4504 JaffaCakes118_5119b8df58fae088f338fb83d9a2b3bc.exe 86 PID 4504 wrote to memory of 3020 4504 JaffaCakes118_5119b8df58fae088f338fb83d9a2b3bc.exe 86 PID 4504 wrote to memory of 3020 4504 JaffaCakes118_5119b8df58fae088f338fb83d9a2b3bc.exe 86 PID 4504 wrote to memory of 3020 4504 JaffaCakes118_5119b8df58fae088f338fb83d9a2b3bc.exe 86 PID 3020 wrote to memory of 3648 3020 svchost.exe 87 PID 3020 wrote to memory of 3648 3020 svchost.exe 87 PID 3020 wrote to memory of 3648 3020 svchost.exe 87 PID 3020 wrote to memory of 3648 3020 svchost.exe 87 PID 3020 wrote to memory of 3648 3020 svchost.exe 87 PID 3020 wrote to memory of 3648 3020 svchost.exe 87 PID 3020 wrote to memory of 3648 3020 svchost.exe 87 PID 3020 wrote to memory of 3648 3020 svchost.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5119b8df58fae088f338fb83d9a2b3bc.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5119b8df58fae088f338fb83d9a2b3bc.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4504 -
C:\Users\Admin\AppData\Local\Temp\AutoUpdatePlus.exe"C:\Users\Admin\AppData\Local\Temp\AutoUpdatePlus.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:1548
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C:\Users\Admin\AppData\Local\Temp\svchost.exeC:\Users\Admin\AppData\Local\Temp\svchost.exe2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3020 -
C:\Users\Admin\AppData\Local\Temp\svchost.exe/scomma "C:\Users\Admin\AppData\Local\Temp\xMzzx8YnCd.ini"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3648
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Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
440KB
MD5e8b79675961ba6f00a41b947104d2e2a
SHA1c42402bd9aa85624204083970776519eb881d5c3
SHA256515d7111bcdb1ba733a5eb5e486df1b375a018c26df70613d3a20b2e42e217e0
SHA512010951169fecdd530b54a740e7731d3d4aeeb0431ee27fc8cfed55125f7b26b95472aa7aca8f6f92ef3c74174eef0db38785d52b8442692d7b726ad4e1fabbc5
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Filesize
1.1MB
MD5d881de17aa8f2e2c08cbb7b265f928f9
SHA108936aebc87decf0af6e8eada191062b5e65ac2a
SHA256b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0
SHA5125f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34
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Filesize
5B
MD5d1ea279fb5559c020a1b4137dc4de237
SHA1db6f8988af46b56216a6f0daf95ab8c9bdb57400
SHA256fcdcc2c46896915a1c695d6231f0fee336a668531b7a3da46178c80362546dba
SHA512720e9c284f0559015312df7fe977563e5e16f48d3506e51eb4016adf7971924d352f740b030aa3adc81b6f65fd1dba12df06d10fa6c115074e5097e7ee0f08b3