Analysis
- max time kernel
80s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
22/07/2026, 10:19
Behavioral task
behavioral1
Sample
bb06860b18b0a9b9accaf959a3b1d2773f1fa3085ed2dcfca05fb9c271a05a97.exe
Resource
win10v2004-20260513-en
11 signatures
150 seconds
General
- Target bb06860b18b0a9b9accaf959a3b1d2773f1fa3085ed2dcfca05fb9c271a05a97.exe
- Size 1.2MB
- Sample260722-mcghlade83
- SHA256 bb06860b18b0a9b9accaf959a3b1d2773f1fa3085ed2dcfca05fb9c271a05a97
- MD5 6c2cde9adc97ad4dbfe1f8eb1e19e92c
- SHA1 f6b50df967cd52325b957e18293a7c525c2259fe
- SHA512 5bd571f68b3bcc9b24e6e64cff30324ebc9427bfaf96c03faac7e22f9eb6d2a1fd9f28d1d614b462b31c65c80dc1fe49b38ca49795585489c0ce1f449d34de86
- SSDEEP 24576:vaMoNmfTEs86C9r5m84DVTh22rFvGf9VLegQEollG4uXpeTR6R:v0NeEs86FvMLejlG4uYC
- TLSH T1E0459E27E9C180F2C198007168AB1F35FEB456912E358B87E7D4EEB85E72790DA3721D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detects FlyAgent Backdoor 1 IoCs
resource yara_rule behavioral1/memory/4456-10-0x0000000000400000-0x000000000056D000-memory.dmp flyagent - 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-1-5-21-2370214745-1838013427-2987045292-1000\Control Panel\International\Geo\Nation bb06860b18b0a9b9accaf959a3b1d2773f1fa3085ed2dcfca05fb9c271a05a97.exe - Executes a VBScript file via the Windows Script Host. 1 TTPs 2 IoCs
pid Process 8 WScript.exe 5016 WScript.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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 bb06860b18b0a9b9accaf959a3b1d2773f1fa3085ed2dcfca05fb9c271a05a97.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WScript.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WScript.exe - Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2370214745-1838013427-2987045292-1000_Classes\Local Settings bb06860b18b0a9b9accaf959a3b1d2773f1fa3085ed2dcfca05fb9c271a05a97.exe - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 4456 bb06860b18b0a9b9accaf959a3b1d2773f1fa3085ed2dcfca05fb9c271a05a97.exe 4456 bb06860b18b0a9b9accaf959a3b1d2773f1fa3085ed2dcfca05fb9c271a05a97.exe 4456 bb06860b18b0a9b9accaf959a3b1d2773f1fa3085ed2dcfca05fb9c271a05a97.exe 4456 bb06860b18b0a9b9accaf959a3b1d2773f1fa3085ed2dcfca05fb9c271a05a97.exe - Suspicious behavior: RenamesItself 1 IoCs
pid Process 4456 bb06860b18b0a9b9accaf959a3b1d2773f1fa3085ed2dcfca05fb9c271a05a97.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4456 bb06860b18b0a9b9accaf959a3b1d2773f1fa3085ed2dcfca05fb9c271a05a97.exe 4456 bb06860b18b0a9b9accaf959a3b1d2773f1fa3085ed2dcfca05fb9c271a05a97.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4456 wrote to memory of 8 4456 bb06860b18b0a9b9accaf959a3b1d2773f1fa3085ed2dcfca05fb9c271a05a97.exe 87 PID 4456 wrote to memory of 5016 4456 bb06860b18b0a9b9accaf959a3b1d2773f1fa3085ed2dcfca05fb9c271a05a97.exe 86
Processes
-
C:\Users\Admin\AppData\Local\Temp\bb06860b18b0a9b9accaf959a3b1d2773f1fa3085ed2dcfca05fb9c271a05a97.exe"C:\Users\Admin\AppData\Local\Temp\bb06860b18b0a9b9accaf959a3b1d2773f1fa3085ed2dcfca05fb9c271a05a97.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4456 -
C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"2⤵
- Executes a VBScript file via the Windows Script Host.
- System Location Discovery: System Language Discovery
PID:5016
-
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C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"2⤵
- Executes a VBScript file via the Windows Script Host.
- System Location Discovery: System Language Discovery
PID:8
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs
- Size 753B
- SHA256 0b869f5eeecc8f0b08e3b4b94a3993fe014900e715d27e708e06630f7e0a6436
- MD5 469278878550a14531c11e74d220d1db
- SHA1 8b8656c828e638cfeb152217992b9174b02bcaba
- SHA512 ad8c9c5e02eb0ca5758fb5ea8160007daedcc9a2523b998f0a564b25a4465c40194d7ff4399b81fe251a43be17db097ac52b90a0ccab77c7b486b5c4a6de47b8
- TLSH T11601CB10EE8CC25D503957B62532E40FF7AA1513A303ACE9788ED1A22F706688CB0A37
- MD5 SHA1 SHA512 TLSH