Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
28/05/2026, 02:50
Behavioral task
behavioral1
Sample
ba748fbf4ac06c8e159cb7f2a222931e5287d4a49a0d2fb08463b62fde1e6519.exe
Resource
win10v2004-20260513-en
10 signatures
150 seconds
General
- Target ba748fbf4ac06c8e159cb7f2a222931e5287d4a49a0d2fb08463b62fde1e6519.exe
- Size 1.4MB
- Sample260528-dbt8maes2n
- SHA256 ba748fbf4ac06c8e159cb7f2a222931e5287d4a49a0d2fb08463b62fde1e6519
- MD5 63762fcd8a79ceb7c0da2a5951b62272
- SHA1 3e409afc8a14342ef86503b40f8e39f68d714878
- SHA512 04239acd4781c6fc6f2909fbfee8274c74d842e864141b9239abfd336d457427435eef113c2c70271a19729fd80c24b53fad7ac9b3320a47f1ea1b4c1536fc50
- SSDEEP 24576:GH0dl8myX9Bg42QoXFkrzkmplSgRDYo0lG4Z8r7Qfbkiu5Qi:GcallSllG4ZM7QzMh
- TLSH T1A5658D13F292C0F1E61C227124FB6339BE749B450A71CAC7E795DD791C32691AB6720E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detects FlyAgent Backdoor 2 IoCs
resource yara_rule behavioral1/memory/5740-0-0x0000000000400000-0x000000000055F000-memory.dmp flyagent behavioral1/memory/5740-9-0x0000000000400000-0x000000000055F000-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-1-5-21-2370214745-1838013427-2987045292-1000\Control Panel\International\Geo\Nation ba748fbf4ac06c8e159cb7f2a222931e5287d4a49a0d2fb08463b62fde1e6519.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 ba748fbf4ac06c8e159cb7f2a222931e5287d4a49a0d2fb08463b62fde1e6519.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 ba748fbf4ac06c8e159cb7f2a222931e5287d4a49a0d2fb08463b62fde1e6519.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 5740 ba748fbf4ac06c8e159cb7f2a222931e5287d4a49a0d2fb08463b62fde1e6519.exe 5740 ba748fbf4ac06c8e159cb7f2a222931e5287d4a49a0d2fb08463b62fde1e6519.exe - Suspicious behavior: RenamesItself 1 IoCs
pid Process 5740 ba748fbf4ac06c8e159cb7f2a222931e5287d4a49a0d2fb08463b62fde1e6519.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 5740 ba748fbf4ac06c8e159cb7f2a222931e5287d4a49a0d2fb08463b62fde1e6519.exe 5740 ba748fbf4ac06c8e159cb7f2a222931e5287d4a49a0d2fb08463b62fde1e6519.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 5740 wrote to memory of 1148 5740 ba748fbf4ac06c8e159cb7f2a222931e5287d4a49a0d2fb08463b62fde1e6519.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\ba748fbf4ac06c8e159cb7f2a222931e5287d4a49a0d2fb08463b62fde1e6519.exe"C:\Users\Admin\AppData\Local\Temp\ba748fbf4ac06c8e159cb7f2a222931e5287d4a49a0d2fb08463b62fde1e6519.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:5740 -
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:1148
-
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 7e8a8c2cd52ac7a5f6b8ba4b78e6e11126a627a3c354fcdf767af56a2e3dfdf3
- MD5 8c214fdc794354afe5c660d74938d5db
- SHA1 b29170645317ce9a87fb8c045aaa6aba9b4393da
- SHA512 7fb7685998f26e7f6f67640c6bb14684b8551b648a66928f313741997d7ff8cb1ae406f2094958bdc7f92cc78e4279f09aeb406ced83c09767bf0cc37ed6c699
- TLSH T1F0019710DD5C8269507443B56532E44AE3AA1453A343ACD8B89AD1A23B707689DB4E33
- MD5 SHA1 SHA512 TLSH