Analysis
- max time kernel
149s - max time network
125s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
25/09/2026, 18:13
Static task
static1
Behavioral task
behavioral1
Sample
jaffacakes118_b26fcb3b6af9472bcdcc398fbab839df43e95c6b90dd9ccb543a437a14d93c49.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
jaffacakes118_b26fcb3b6af9472bcdcc398fbab839df43e95c6b90dd9ccb543a437a14d93c49.exe
Resource
win11ltsc2024-20260911-en
General
- Target jaffacakes118_b26fcb3b6af9472bcdcc398fbab839df43e95c6b90dd9ccb543a437a14d93c49.exe
- Size 64KB
- Sample260925-wt38csge38
- SHA256 b26fcb3b6af9472bcdcc398fbab839df43e95c6b90dd9ccb543a437a14d93c49
- MD5 951fff6a1ef148edf69d4d4c73dee1a9
- SHA1 38890a0de665dcc7296c739f5373f980fe726ad9
- SHA512 fb28cf22a30f4a4e8ed7ea32f2aeb399ae8ca51cec5156a62f54c86a982318173b87e0eb786873a4983017b25ab70abcde0b354b92dcd0dbde9cefdd215730e8
- SSDEEP 768:pwkqDQezzIar5GF/HXPg9hSKPc6T/uuomX/dxgz7U1PaW8Ev6xA:pwy/h/HX49hSKPc6PX/dxgz7mPZdv+A
- TLSH T13053598E7A8ACCE1EC1346B046675678C173322326E65566DEDCC8DC033AC057E35EDA
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Deletes itself 1 TTPs 1 IoCs
pid Process 4584 rundll32.exe - Disables service(s) 3 TTPs
- Loads dropped DLL 1 IoCs
pid Process 4584 rundll32.exe - Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Stops running service(s) 4 TTPs
- Enumerates connected drives 3 TTPs 1 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
ioc Process \??\F:\ jaffacakes118_b26fcb3b6af9472bcdcc398fbab839df43e95c6b90dd9ccb543a437a14d93c49.exe - Drops file in System32 directory 11 IoCs
description ioc Process File created C:\Windows\SysWOW64\yuksuser.dll jaffacakes118_b26fcb3b6af9472bcdcc398fbab839df43e95c6b90dd9ccb543a437a14d93c49.exe File opened for modification C:\Windows\SysWOW64\yuksuser.dll jaffacakes118_b26fcb3b6af9472bcdcc398fbab839df43e95c6b90dd9ccb543a437a14d93c49.exe File created C:\Windows\SysWOW64\ksuser.dll jaffacakes118_b26fcb3b6af9472bcdcc398fbab839df43e95c6b90dd9ccb543a437a14d93c49.exe File created C:\Windows\SysWOW64\yumidimap.dll jaffacakes118_b26fcb3b6af9472bcdcc398fbab839df43e95c6b90dd9ccb543a437a14d93c49.exe File created C:\Windows\SysWOW64\midimap.dll jaffacakes118_b26fcb3b6af9472bcdcc398fbab839df43e95c6b90dd9ccb543a437a14d93c49.exe File created C:\Windows\SysWOW64\yumsimg32.dll jaffacakes118_b26fcb3b6af9472bcdcc398fbab839df43e95c6b90dd9ccb543a437a14d93c49.exe File created C:\Windows\SysWOW64\dllcache\msimg32.dll jaffacakes118_b26fcb3b6af9472bcdcc398fbab839df43e95c6b90dd9ccb543a437a14d93c49.exe File created C:\Windows\SysWOW64\dllcache\ksuser.dll jaffacakes118_b26fcb3b6af9472bcdcc398fbab839df43e95c6b90dd9ccb543a437a14d93c49.exe File created C:\Windows\SysWOW64\dllcache\midimap.dll jaffacakes118_b26fcb3b6af9472bcdcc398fbab839df43e95c6b90dd9ccb543a437a14d93c49.exe File created C:\Windows\SysWOW64\msimg32.dll jaffacakes118_b26fcb3b6af9472bcdcc398fbab839df43e95c6b90dd9ccb543a437a14d93c49.exe File created C:\Windows\SysWOW64\sysapp19.dll jaffacakes118_b26fcb3b6af9472bcdcc398fbab839df43e95c6b90dd9ccb543a437a14d93c49.exe - Launches sc.exe 2 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3552 sc.exe 4624 sc.exe - System Location Discovery: System Language Discovery 1 TTPs 6 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 net.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language net1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language jaffacakes118_b26fcb3b6af9472bcdcc398fbab839df43e95c6b90dd9ccb543a437a14d93c49.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sc.exe - Runs net.exe
- Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 1356 jaffacakes118_b26fcb3b6af9472bcdcc398fbab839df43e95c6b90dd9ccb543a437a14d93c49.exe 1356 jaffacakes118_b26fcb3b6af9472bcdcc398fbab839df43e95c6b90dd9ccb543a437a14d93c49.exe 1356 jaffacakes118_b26fcb3b6af9472bcdcc398fbab839df43e95c6b90dd9ccb543a437a14d93c49.exe 1356 jaffacakes118_b26fcb3b6af9472bcdcc398fbab839df43e95c6b90dd9ccb543a437a14d93c49.exe 1356 jaffacakes118_b26fcb3b6af9472bcdcc398fbab839df43e95c6b90dd9ccb543a437a14d93c49.exe 1356 jaffacakes118_b26fcb3b6af9472bcdcc398fbab839df43e95c6b90dd9ccb543a437a14d93c49.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1356 jaffacakes118_b26fcb3b6af9472bcdcc398fbab839df43e95c6b90dd9ccb543a437a14d93c49.exe - Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 1356 wrote to memory of 4008 1356 jaffacakes118_b26fcb3b6af9472bcdcc398fbab839df43e95c6b90dd9ccb543a437a14d93c49.exe 87 PID 1356 wrote to memory of 3552 1356 jaffacakes118_b26fcb3b6af9472bcdcc398fbab839df43e95c6b90dd9ccb543a437a14d93c49.exe 88 PID 1356 wrote to memory of 4624 1356 jaffacakes118_b26fcb3b6af9472bcdcc398fbab839df43e95c6b90dd9ccb543a437a14d93c49.exe 89 PID 4008 wrote to memory of 4440 4008 net.exe 93 PID 1356 wrote to memory of 4584 1356 jaffacakes118_b26fcb3b6af9472bcdcc398fbab839df43e95c6b90dd9ccb543a437a14d93c49.exe 104
Processes
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C:\Users\Admin\AppData\Local\Temp\jaffacakes118_b26fcb3b6af9472bcdcc398fbab839df43e95c6b90dd9ccb543a437a14d93c49.exe"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_b26fcb3b6af9472bcdcc398fbab839df43e95c6b90dd9ccb543a437a14d93c49.exe"1⤵
- Enumerates connected drives
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1356 -
C:\Windows\SysWOW64\net.exenet stop cryptsvc2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4008 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop cryptsvc3⤵
- System Location Discovery: System Language Discovery
PID:4440
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-
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C:\Windows\SysWOW64\sc.exesc config cryptsvc start= disabled2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:3552
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C:\Windows\SysWOW64\sc.exesc delete cryptsvc2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:4624
-
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C:\Windows\SysWOW64\rundll32.exeC:\Users\Admin\AppData\Local\Temp\1790360064.dat, ServerMain c:\users\admin\appdata\local\temp\jaffacakes118_b26fcb3b6af9472bcdcc398fbab839df43e95c6b90dd9ccb543a437a14d93c49.exe2⤵
- Deletes itself
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:4584
-
Network
MITRE ATT&CK Enterprise v16
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\1790360064.dat
- Size 34KB
- SHA256 cd7c0be935da32b1cedd5f93a88b5ba567bef71e1a2e59d5935e980d1cd9829e
- MD5 85861627a4214a69ec5132c93fca53c2
- SHA1 d24c7e897dd7c0f07ef6520c1be9404375019542
- SHA512 4377d9a1c66c156d67ce0b834a6ea99a7364e3e382fb83f05edf18dfe780c05e965148682035a2e1237a9805532cf68eb646fc7847d768d15a1fa329a3c39b6f
- SSDEEP 768:gpFCXEL6Chde6ZU2DKeEbJP7owLdiHNiOEhsKdR9DGQ6a:gpFBLfhAyHKeg7owLE0rsKdREQX
- TLSH T106F26C137A0789B2D1D3823076A03BB69BFC24351F0361AAEF72DA5B2D755C2DA75207
- MD5 SHA1 SHA512 SSDEEP TLSH