Analysis
- max time kernel
130s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
15/04/2026, 21:02
Behavioral task
behavioral1
Sample
730ad8d79aa87b06256f2bbffdcc6455380b7e96f967897dc28a8089b433f9f4.exe
Resource
win10v2004-20260130-en
10 signatures
150 seconds
General
- Target 730ad8d79aa87b06256f2bbffdcc6455380b7e96f967897dc28a8089b433f9f4.exe
- Size 1.3MB
- Sample260415-zvf11acx21
- SHA256 730ad8d79aa87b06256f2bbffdcc6455380b7e96f967897dc28a8089b433f9f4
- MD5 83843d7c3eb003a33a2e0a1c36532c27
- SHA1 1b0d9f058d8ec144f709f24c41ce1e787450949d
- SHA512 db16a39d1719fff67a9c0ecb09d7b82be86ee3389323af44e03fbed187d30e94335e167d790b4f74c19cbb136e3c3918003f687f262ce2972b75654288e47e86
- SSDEEP 24576:WBS9qQEK6QywlBqH82QoXFkrzkmmlSgRDko0lG4Z8r7Qfd7iu5i:WZaClSFlG4ZM7QlV0
- TLSH T1B2557C13F692C0F1E61C227124FB6339BE7497450A71CACBE794DD791C32691ABA720E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detects FlyAgent Backdoor 1 IoCs
resource yara_rule behavioral1/memory/1964-10-0x0000000000400000-0x0000000000551000-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-1-5-21-745935970-1373868228-562466063-1000\Control Panel\International\Geo\Nation 730ad8d79aa87b06256f2bbffdcc6455380b7e96f967897dc28a8089b433f9f4.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 WScript.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WScript.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 730ad8d79aa87b06256f2bbffdcc6455380b7e96f967897dc28a8089b433f9f4.exe - Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-745935970-1373868228-562466063-1000_Classes\Local Settings 730ad8d79aa87b06256f2bbffdcc6455380b7e96f967897dc28a8089b433f9f4.exe - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1964 730ad8d79aa87b06256f2bbffdcc6455380b7e96f967897dc28a8089b433f9f4.exe 1964 730ad8d79aa87b06256f2bbffdcc6455380b7e96f967897dc28a8089b433f9f4.exe 1964 730ad8d79aa87b06256f2bbffdcc6455380b7e96f967897dc28a8089b433f9f4.exe 1964 730ad8d79aa87b06256f2bbffdcc6455380b7e96f967897dc28a8089b433f9f4.exe - Suspicious behavior: RenamesItself 1 IoCs
pid Process 1964 730ad8d79aa87b06256f2bbffdcc6455380b7e96f967897dc28a8089b433f9f4.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1964 730ad8d79aa87b06256f2bbffdcc6455380b7e96f967897dc28a8089b433f9f4.exe 1964 730ad8d79aa87b06256f2bbffdcc6455380b7e96f967897dc28a8089b433f9f4.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 1964 wrote to memory of 4560 1964 730ad8d79aa87b06256f2bbffdcc6455380b7e96f967897dc28a8089b433f9f4.exe 85 PID 1964 wrote to memory of 4884 1964 730ad8d79aa87b06256f2bbffdcc6455380b7e96f967897dc28a8089b433f9f4.exe 86
Processes
-
C:\Users\Admin\AppData\Local\Temp\730ad8d79aa87b06256f2bbffdcc6455380b7e96f967897dc28a8089b433f9f4.exe"C:\Users\Admin\AppData\Local\Temp\730ad8d79aa87b06256f2bbffdcc6455380b7e96f967897dc28a8089b433f9f4.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:1964 -
C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"2⤵
- System Location Discovery: System Language Discovery
PID:4560
-
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C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"2⤵
- System Location Discovery: System Language Discovery
PID:4884
-
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 4df4be833853f6b393837f9a6ac4d509a3579660f86db103282bb0b334eed92e
- MD5 c13cfe3e92d10319a83e6868457fe890
- SHA1 f0b4279d1fff8650211585e6da537724e0528ebd
- SHA512 f16fa8d10e6a9aa9de3c7513112c3e0ddd4c75be6122e416f5a0636ea714154c642515529cb6fcdcdf01a582b5829ad9d9cd616fb7cf60f4873a80c460847b8f
- TLSH T12701C000DD5C8259503953B52532A40EE7AA1553A3039CD9B85AD1B52F707688CB4A77
- MD5 SHA1 SHA512 TLSH