Analysis
- max time kernel
149s - max time network
139s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
18/04/2026, 09:05
Behavioral task
behavioral1
Sample
c19307abcfbfaa14ba9069191eb2deb37ea4b770bccc18cb7f924951a6a3b317.exe
Resource
win10v2004-20260130-en
10 signatures
150 seconds
General
- Target c19307abcfbfaa14ba9069191eb2deb37ea4b770bccc18cb7f924951a6a3b317.exe
- Size 1.1MB
- Sample260418-k2jcdaby2y
- SHA256 c19307abcfbfaa14ba9069191eb2deb37ea4b770bccc18cb7f924951a6a3b317
- MD5 74645f6e60163dc78d74e08db6fff78f
- SHA1 d48a3eaa229355a385ad0809badac101d36d4627
- SHA512 625882981f069a6f55619130ba3186532569911d6f32ee624e9694522116f2ce66fe2bce448e52c99f280f9f1c55dfc57445a6181eaa02f79d922dff2e50fbd6
- SSDEEP 24576:aH0dl8myX9Bg42QoXFkrzkmplSgRDYo0lG4Z8r7Qfbkiu5QE:acallSllG4ZM7QzMN
- TLSH T1B0458D13F292C0F1E61C227124FB6739BE749B450A71CAC7E794DD791C32691AB6720E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detects FlyAgent Backdoor 2 IoCs
resource yara_rule behavioral1/memory/1552-0-0x0000000000400000-0x000000000055F000-memory.dmp flyagent behavioral1/memory/1552-11-0x0000000000400000-0x000000000055F000-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-1-5-21-2714754311-527593155-1440850301-1000\Control Panel\International\Geo\Nation c19307abcfbfaa14ba9069191eb2deb37ea4b770bccc18cb7f924951a6a3b317.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 c19307abcfbfaa14ba9069191eb2deb37ea4b770bccc18cb7f924951a6a3b317.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-1-5-21-2714754311-527593155-1440850301-1000_Classes\Local Settings c19307abcfbfaa14ba9069191eb2deb37ea4b770bccc18cb7f924951a6a3b317.exe - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1552 c19307abcfbfaa14ba9069191eb2deb37ea4b770bccc18cb7f924951a6a3b317.exe 1552 c19307abcfbfaa14ba9069191eb2deb37ea4b770bccc18cb7f924951a6a3b317.exe 1552 c19307abcfbfaa14ba9069191eb2deb37ea4b770bccc18cb7f924951a6a3b317.exe 1552 c19307abcfbfaa14ba9069191eb2deb37ea4b770bccc18cb7f924951a6a3b317.exe - Suspicious behavior: RenamesItself 1 IoCs
pid Process 1552 c19307abcfbfaa14ba9069191eb2deb37ea4b770bccc18cb7f924951a6a3b317.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1552 c19307abcfbfaa14ba9069191eb2deb37ea4b770bccc18cb7f924951a6a3b317.exe 1552 c19307abcfbfaa14ba9069191eb2deb37ea4b770bccc18cb7f924951a6a3b317.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 1552 wrote to memory of 4776 1552 c19307abcfbfaa14ba9069191eb2deb37ea4b770bccc18cb7f924951a6a3b317.exe 84 PID 1552 wrote to memory of 4524 1552 c19307abcfbfaa14ba9069191eb2deb37ea4b770bccc18cb7f924951a6a3b317.exe 85
Processes
-
C:\Users\Admin\AppData\Local\Temp\c19307abcfbfaa14ba9069191eb2deb37ea4b770bccc18cb7f924951a6a3b317.exe"C:\Users\Admin\AppData\Local\Temp\c19307abcfbfaa14ba9069191eb2deb37ea4b770bccc18cb7f924951a6a3b317.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:1552 -
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:4776
-
-
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:4524
-
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 adaf8ee98daeec357c20928cbe78c7e118602dd62d3f4cd80934531b01db8e89
- MD5 c1bf4b79f774a4388ae81ffe77caef4d
- SHA1 fcdf2df7025764a29cbf50f075520d1c0a8cdc9d
- SHA512 9aeb995899fdae3d8efac5f7fac87601401cd5a035b94ab001ba085bcced8880df07a7d0f07a4aae11fc764f785055b1d317988a46a290e4ebfed3b55c64d284
- TLSH T10501CB00DD5C825E607693B62432A40EE7EA2453A313ADD8785AD0A62F707688CB8A36
- MD5 SHA1 SHA512 TLSH