Analysis
- max time kernel
49s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
21/04/2026, 23:00
Behavioral task
behavioral1
Sample
e0c1d5a8d12c050df62565271d9ef5ef9067e0d06dde9569e0de1b41b3e5e32c.exe
Resource
win10v2004-20260130-en
10 signatures
150 seconds
General
- Target e0c1d5a8d12c050df62565271d9ef5ef9067e0d06dde9569e0de1b41b3e5e32c.exe
- Size 1.1MB
- Sample260421-2zfbdagy3t
- SHA256 e0c1d5a8d12c050df62565271d9ef5ef9067e0d06dde9569e0de1b41b3e5e32c
- MD5 bc10b165887b361e39c15045fc8a1cae
- SHA1 3402a0bd30daa2deea5392825857aca6dbd1ea73
- SHA512 f97538519bd654cf65bbd056a857a636176e4d8318f2a8e2d9b9f56f9ac5fecb1155094a7567d76f3e1144014bb2541cb7d36cc49ae69429945766ec31736a47
- SSDEEP 24576:aH0dl8myX9Bg42QoXFkrzkmplSgRDYo0lG4Z8r7Qfbkiu5Qe:acallSllG4ZM7QzMr
- TLSH T1B5458D13F292C0F1E61C227124FB6739BE749B450A71CAC7E794DD791C32691AB6720E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detects FlyAgent Backdoor 3 IoCs
resource yara_rule behavioral1/memory/1116-0-0x0000000000400000-0x000000000055F000-memory.dmp flyagent behavioral1/memory/1116-13-0x0000000000400000-0x000000000055F000-memory.dmp flyagent behavioral1/memory/1116-14-0x0000000000400000-0x000000000055F000-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-1-5-21-312252282-3884318443-358092420-1000\Control Panel\International\Geo\Nation e0c1d5a8d12c050df62565271d9ef5ef9067e0d06dde9569e0de1b41b3e5e32c.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 4 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 e0c1d5a8d12c050df62565271d9ef5ef9067e0d06dde9569e0de1b41b3e5e32c.exe 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 WScript.exe - Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-312252282-3884318443-358092420-1000_Classes\Local Settings e0c1d5a8d12c050df62565271d9ef5ef9067e0d06dde9569e0de1b41b3e5e32c.exe - Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 1116 e0c1d5a8d12c050df62565271d9ef5ef9067e0d06dde9569e0de1b41b3e5e32c.exe 1116 e0c1d5a8d12c050df62565271d9ef5ef9067e0d06dde9569e0de1b41b3e5e32c.exe 1116 e0c1d5a8d12c050df62565271d9ef5ef9067e0d06dde9569e0de1b41b3e5e32c.exe 1116 e0c1d5a8d12c050df62565271d9ef5ef9067e0d06dde9569e0de1b41b3e5e32c.exe 1116 e0c1d5a8d12c050df62565271d9ef5ef9067e0d06dde9569e0de1b41b3e5e32c.exe 1116 e0c1d5a8d12c050df62565271d9ef5ef9067e0d06dde9569e0de1b41b3e5e32c.exe - Suspicious behavior: RenamesItself 1 IoCs
pid Process 1116 e0c1d5a8d12c050df62565271d9ef5ef9067e0d06dde9569e0de1b41b3e5e32c.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1116 e0c1d5a8d12c050df62565271d9ef5ef9067e0d06dde9569e0de1b41b3e5e32c.exe 1116 e0c1d5a8d12c050df62565271d9ef5ef9067e0d06dde9569e0de1b41b3e5e32c.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1116 wrote to memory of 3368 1116 e0c1d5a8d12c050df62565271d9ef5ef9067e0d06dde9569e0de1b41b3e5e32c.exe 85 PID 1116 wrote to memory of 2364 1116 e0c1d5a8d12c050df62565271d9ef5ef9067e0d06dde9569e0de1b41b3e5e32c.exe 86 PID 1116 wrote to memory of 1644 1116 e0c1d5a8d12c050df62565271d9ef5ef9067e0d06dde9569e0de1b41b3e5e32c.exe 87
Processes
-
C:\Users\Admin\AppData\Local\Temp\e0c1d5a8d12c050df62565271d9ef5ef9067e0d06dde9569e0de1b41b3e5e32c.exe"C:\Users\Admin\AppData\Local\Temp\e0c1d5a8d12c050df62565271d9ef5ef9067e0d06dde9569e0de1b41b3e5e32c.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:1116 -
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:3368
-
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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:2364
-
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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:1644
-
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 91dd5eb11f57a3da31270f0a60b9003e6759017fbba6fffe474afe4a3dbb69aa
- MD5 2a76bbbdcb81b7941e2c20e25c0ec56e
- SHA1 4d993123811625def8137a739fb36dedea653c97
- SHA512 91c39a3d86d2f58d89bf7694440b5009565f51be110bd4aba2add3a3671a98533ef4dee6da2eca78d22685d3f7bfe54bbb14e39ac7ebc7e7a3e9f33b80fa78c4
- TLSH T1FD01CB00DE8C821E903593763433E84EF7AA1553A303ACD8B895D1A63FB0668DCB4A32
- MD5 SHA1 SHA512 TLSH