Analysis
- max time kernel
108s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
16/04/2026, 09:46
Behavioral task
behavioral1
Sample
768540e333fb1f2da65a2dcb87b6183cc980725ba6d449b34cc9f3a918e0916f.exe
Resource
win10v2004-20260130-en
10 signatures
150 seconds
General
- Target 768540e333fb1f2da65a2dcb87b6183cc980725ba6d449b34cc9f3a918e0916f.exe
- Size 1.1MB
- Sample260416-lr1pcaft2y
- SHA256 768540e333fb1f2da65a2dcb87b6183cc980725ba6d449b34cc9f3a918e0916f
- MD5 8fd685d27ff98941a66c9182ef126072
- SHA1 2ee9f2e6ea5004096634e91a2f9ede67b64959ff
- SHA512 5e053c46db1d5c464d8b3d5097c335652098039885f8448788bd1995fde9f1d5d5fd7d53e5381bace5af4144c4ed59053ab12cd2a2c8fb0db4f4a31a1c6c6df7
- SSDEEP 24576:aH0dl8myX9Bg42QoXFkrzkmplSgRDYo0lG4Z8r7Qfbkiu5QF:acallSllG4ZM7QzMs
- TLSH T1AB458D13F292C0F1E61C227124FB6739BE749B450A71CAC7EB94DD791C32691AB6720E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detects FlyAgent Backdoor 2 IoCs
resource yara_rule behavioral1/memory/4432-0-0x0000000000400000-0x000000000055F000-memory.dmp flyagent behavioral1/memory/4432-9-0x0000000000400000-0x000000000055F000-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-1-5-21-1609746302-1884177235-1125644204-1000\Control Panel\International\Geo\Nation 768540e333fb1f2da65a2dcb87b6183cc980725ba6d449b34cc9f3a918e0916f.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 2 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 768540e333fb1f2da65a2dcb87b6183cc980725ba6d449b34cc9f3a918e0916f.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-1-5-21-1609746302-1884177235-1125644204-1000_Classes\Local Settings 768540e333fb1f2da65a2dcb87b6183cc980725ba6d449b34cc9f3a918e0916f.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4432 768540e333fb1f2da65a2dcb87b6183cc980725ba6d449b34cc9f3a918e0916f.exe 4432 768540e333fb1f2da65a2dcb87b6183cc980725ba6d449b34cc9f3a918e0916f.exe - Suspicious behavior: RenamesItself 1 IoCs
pid Process 4432 768540e333fb1f2da65a2dcb87b6183cc980725ba6d449b34cc9f3a918e0916f.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4432 768540e333fb1f2da65a2dcb87b6183cc980725ba6d449b34cc9f3a918e0916f.exe 4432 768540e333fb1f2da65a2dcb87b6183cc980725ba6d449b34cc9f3a918e0916f.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 4432 wrote to memory of 5624 4432 768540e333fb1f2da65a2dcb87b6183cc980725ba6d449b34cc9f3a918e0916f.exe 84
Processes
-
C:\Users\Admin\AppData\Local\Temp\768540e333fb1f2da65a2dcb87b6183cc980725ba6d449b34cc9f3a918e0916f.exe"C:\Users\Admin\AppData\Local\Temp\768540e333fb1f2da65a2dcb87b6183cc980725ba6d449b34cc9f3a918e0916f.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:4432 -
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:5624
-
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 14daf48f319ae351a88af9b626d9edc702e6c7fd4d651ecf84ccb036b69dbc86
- MD5 0135fc5044ceaa99b2b1d95a3ace7d78
- SHA1 8baace6e85db663817db3414d657f66540b58795
- SHA512 a2aa2d14a5a754688dcfdae39e534670ef125d1c5140f1418eaae3f841075ad212f614a5f13371f9c1a6c052ba5597d987ea27c05a7f03252eeb91ebe67bf6a1
- TLSH T1C501C000DE5CC259513953B61432A40EF79A1903B3039CD87859D1612F707689CB4A37
- MD5 SHA1 SHA512 TLSH