Analysis
- max time kernel
150s - max time network
128s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
09/10/2026, 20:51
Behavioral task
behavioral1
Sample
jaffacakes118_Trojan-Dropper.Win32.VB.blie.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
jaffacakes118_Trojan-Dropper.Win32.VB.blie.exe
Resource
win11ltsc2024-20260911-en
General
- Target jaffacakes118_Trojan-Dropper.Win32.VB.blie.exe
- Size 122KB
- Sample261009-znk2daed42
- SHA256 5c83899b57c4c7992a37f3d772d8a084b97d20e1d985ea83715a76edb21e28c7
- MD5 6bef8240a66a42facc5b1c83e012bda1
- SHA1 bf8d3164e2b3612b9846ae2041bce38923027476
- SHA512 d1e1746f049e078fd71e3a14efe75be4e32883720bd0e564c806d3b00df03803eb3f339d0975ea911d10ff866979b8b069b53de92754fe323fc83c64a41e5587
- SSDEEP 1536:nFyzF9MFVCujlsQoeQZZ86ukpj0nGGF9v+4DR5u:FyzQVCujl71QZZ4kp4F9XtM
- TLSH T118C32A13BE15086FC626C9F0A8BAA5A57D217E3A0BB49D4722C5FF4538746037AF121F
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detects Swisyn worm 4 IoCs
resource yara_rule behavioral2/files/0x000800000001b2f4-6.dat family_swisyn behavioral2/files/0x000e00000001c509-16.dat family_swisyn behavioral2/files/0x000e00000001c50a-25.dat family_swisyn behavioral2/files/0x000e00000001c50d-36.dat family_swisyn - Modifies WinLogon for persistence 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "C:\\Windows\\explorer.exe, c:\\windows\\system\\explorer.exe" explorer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "C:\\Windows\\explorer.exe, c:\\windows\\system\\explorer.exe" svchost.exe - Modifies visibility of hidden/system files in Explorer 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-560646293-820748483-2532804640-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" explorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-560646293-820748483-2532804640-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" svchost.exe - Boot or Logon Autostart Execution: Active Setup 2 TTPs 8 IoCs
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
description ioc Process Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{Y479C6D0-OTRW-U5GH-S1EE-E0AC10B4E666} svchost.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{F146C9B1-VMVQ-A9RC-NUFL-D0BA00B4E999} svchost.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{Y479C6D0-OTRW-U5GH-S1EE-E0AC10B4E666} explorer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{F146C9B1-VMVQ-A9RC-NUFL-D0BA00B4E999}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\mrsys.exe MR" svchost.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{Y479C6D0-OTRW-U5GH-S1EE-E0AC10B4E666} svchost.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{Y479C6D0-OTRW-U5GH-S1EE-E0AC10B4E666}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\mrsys.exe MR" svchost.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{Y479C6D0-OTRW-U5GH-S1EE-E0AC10B4E666}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\mrsys.exe MR" explorer.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{F146C9B1-VMVQ-A9RC-NUFL-D0BA00B4E999} svchost.exe - Executes dropped EXE 4 IoCs
pid Process 3468 explorer.exe 1768 spoolsv.exe 5504 svchost.exe 948 spoolsv.exe - Adds Run key to start application 2 TTPs 4 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Explorer = "c:\\windows\\system\\explorer.exe RO" explorer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\system\\svchost.exe RO" explorer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Explorer = "c:\\windows\\system\\explorer.exe RO" svchost.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\system\\svchost.exe RO" svchost.exe - Drops file in Windows directory 6 IoCs
description ioc Process File opened for modification \??\c:\windows\system\explorer.exe explorer.exe File opened for modification \??\c:\windows\system\svchost.exe svchost.exe File opened for modification C:\Windows\System\tjud.exe explorer.exe File opened for modification \??\c:\windows\system\explorer.exe jaffacakes118_Trojan-Dropper.Win32.VB.blie.exe File opened for modification \??\c:\windows\system\spoolsv.exe explorer.exe File opened for modification \??\c:\windows\system\svchost.exe spoolsv.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 5 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 spoolsv.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language jaffacakes118_Trojan-Dropper.Win32.VB.blie.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language spoolsv.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5484 jaffacakes118_Trojan-Dropper.Win32.VB.blie.exe 5484 jaffacakes118_Trojan-Dropper.Win32.VB.blie.exe 3468 explorer.exe 3468 explorer.exe 3468 explorer.exe 3468 explorer.exe 3468 explorer.exe 3468 explorer.exe 5504 svchost.exe 5504 svchost.exe 5504 svchost.exe 5504 svchost.exe 5504 svchost.exe 3468 explorer.exe 3468 explorer.exe 5504 svchost.exe 3468 explorer.exe 5504 svchost.exe 3468 explorer.exe 5504 svchost.exe 3468 explorer.exe 5504 svchost.exe 3468 explorer.exe 5504 svchost.exe 3468 explorer.exe 5504 svchost.exe 3468 explorer.exe 5504 svchost.exe 5504 svchost.exe 3468 explorer.exe 5504 svchost.exe 3468 explorer.exe 5504 svchost.exe 3468 explorer.exe 5504 svchost.exe 3468 explorer.exe 3468 explorer.exe 5504 svchost.exe 5504 svchost.exe 3468 explorer.exe 3468 explorer.exe 3468 explorer.exe 5504 svchost.exe 5504 svchost.exe 3468 explorer.exe 3468 explorer.exe 5504 svchost.exe 5504 svchost.exe 3468 explorer.exe 3468 explorer.exe 5504 svchost.exe 5504 svchost.exe 3468 explorer.exe 3468 explorer.exe 5504 svchost.exe 5504 svchost.exe 5504 svchost.exe 3468 explorer.exe 3468 explorer.exe 5504 svchost.exe 3468 explorer.exe 5504 svchost.exe 3468 explorer.exe 5504 svchost.exe - Suspicious behavior: GetForegroundWindowSpam 2 IoCs
pid Process 3468 explorer.exe 5504 svchost.exe - Suspicious use of SetWindowsHookEx 10 IoCs
pid Process 5484 jaffacakes118_Trojan-Dropper.Win32.VB.blie.exe 5484 jaffacakes118_Trojan-Dropper.Win32.VB.blie.exe 3468 explorer.exe 3468 explorer.exe 1768 spoolsv.exe 1768 spoolsv.exe 5504 svchost.exe 5504 svchost.exe 948 spoolsv.exe 948 spoolsv.exe - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 5484 wrote to memory of 3468 5484 jaffacakes118_Trojan-Dropper.Win32.VB.blie.exe 89 PID 3468 wrote to memory of 1768 3468 explorer.exe 90 PID 1768 wrote to memory of 5504 1768 spoolsv.exe 91 PID 5504 wrote to memory of 948 5504 svchost.exe 92
Processes
-
C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Dropper.Win32.VB.blie.exe"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Dropper.Win32.VB.blie.exe"1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5484 -
\??\c:\windows\system\explorer.exec:\windows\system\explorer.exe2⤵
- Modifies WinLogon for persistence
- Modifies visibility of hidden/system files in Explorer
- Boot or Logon Autostart Execution: Active Setup
- Executes dropped EXE
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3468 -
\??\c:\windows\system\spoolsv.exec:\windows\system\spoolsv.exe SE3⤵
- Executes dropped EXE
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1768 -
\??\c:\windows\system\svchost.exec:\windows\system\svchost.exe4⤵
- Modifies WinLogon for persistence
- Modifies visibility of hidden/system files in Explorer
- Boot or Logon Autostart Execution: Active Setup
- Executes dropped EXE
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5504 -
\??\c:\windows\system\spoolsv.exec:\windows\system\spoolsv.exe PR5⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:948
-
-
-
-
Network
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
3Active Setup
1Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
3Active Setup
1Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Defense Evasion
Hide Artifacts
1Hidden Files and Directories
1Modify Registry
4Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Roaming\mrsys.exe
- Size 122KB
- SHA256 8ae3a1cf4c20d4dd49f0e7cd06916c4c67e0d6570465d063883265680379495d
- MD5 a9a23c255105f582e99441e993f8c5a1
- SHA1 52193c0d9c3723300cd1178798aa30f18757d181
- SHA512 56af6f67c9dd9403984a6a53d07f7f63909002c608d8270b927bb85a19b178aa778569e4644731eb22bc0f464130d68ecb9ca4f788d0b79b16bb6409bf4a9e3b
- SSDEEP 1536:nFyzF9MFVCujlsQoeQZZ86ukpj0nGGF9v+4DR5s:FyzQVCujl71QZZ4kp4F9XtK
- TLSH T1B0C32A13BD94446ED96585F08CBA86797A665F352BE2AE0723C0BB423C756037EF120F
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\System\explorer.exe
- Size 122KB
- SHA256 92bfe46843393912d7ca0a6aa6fb7b9a8eeed048bd0bfdb4dbef821bad326d4d
- MD5 1482f8e758b3362fc58b8136651a5bcd
- SHA1 603bcfa9b6e37497d8e1d7d0b568836bc06dea8d
- SHA512 a1e56ce9fcf6b6d5740bf6456fe213dd8934cc88c65a8394bed28f94453eda9ff62f6e88f1354f286386e6157be557c788912fe37cfc80a3187c9a0e4244fffd
- SSDEEP 1536:nFyzF9MFVCujlsQoeQZZ86ukpj0nGGF9v+4DR5g:FyzQVCujl71QZZ4kp4F9XtS
- TLSH T1D9C35A13BD91402BE999C9F18C7A8778B1616E761FE1AE4762C0BB4639F050739F221F
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\System\spoolsv.exe
- Size 122KB
- SHA256 f89bf6962de2f3e51e9d692e398f7b23f0ba35d5522d627f6fe8961732113cbf
- MD5 8a18073f42bcf80584e43c473c79b31f
- SHA1 99f507672ff9a2520ec340f7fb5362a45f7b8d9f
- SHA512 d1a3a646ddd79e8777638eb643b490016bb85b29ef52d146abf386cf3665e0049756ed16741400b9c2ac5780a01639ea99eb8b04ac761f57a323bf41f1907d9a
- SSDEEP 1536:nFyzF9MFVCujlsQoeQZZ86ukpj0nGGF9v+4DR5Xllllllllllllllllllllllll2:FyzQVCujl71QZZ4kp4F9XtU
- TLSH T16BC33923BD41482EF66DC9F09CB581ADBA61AF391BE16E4736C0AF5128711437AF121F
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\System\svchost.exe
- Size 122KB
- SHA256 a5887b26b22066e7c87ada870d6500c2b968e1e7d20a3fd32a471da5176d671b
- MD5 b7463cc4d37a15565002c636405e35d0
- SHA1 3ae9baea681ffced8561c0ee7abcaaf2538b8aa3
- SHA512 bd767c34b93f9913b1b3f39f4a3a8ed4d7bb213579a3dbd31df0f97d80363ed82a692fbff07f8892891eb3feee7568c0730e0021ed40a38904ac4ed2fddeff9b
- SSDEEP 3072:FyzQVCujl71QZZ4kp4F9XtEppppppppppppppppppppppppppppppppppppppppG:FuYjzmZ2F9Wppppppppppppppppppppm
- TLSH T158C31A037D11442EF46689F088756AB9BA61AE2E4FF59E4B62D4BF5068B050379F230F
- MD5 SHA1 SHA512 SSDEEP TLSH