Analysis
- max time kernel
149s - max time network
146s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
01/06/2026, 15:41
Behavioral task
behavioral1
Sample
2ec267147e5904a03699fa12d65fd3ee212ddaef9dfbbccf1f90c2f6d70b594b.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
2ec267147e5904a03699fa12d65fd3ee212ddaef9dfbbccf1f90c2f6d70b594b.exe
Resource
win11-20260513-en
General
- Target 2ec267147e5904a03699fa12d65fd3ee212ddaef9dfbbccf1f90c2f6d70b594b.exe
- Size 45KB
- Sample260601-s441vsaz2n
- SHA256 2ec267147e5904a03699fa12d65fd3ee212ddaef9dfbbccf1f90c2f6d70b594b
- MD5 94952749b641da8b6c29ca1d3a86e02b
- SHA1 5e226344267ab2e6e4bc13eaba1ea28748f6b593
- SHA512 5fa109c248ba089851b9c398f0aef055edd988aef7de66c167101b5f5c3d4d2dd9cba904b5d67cbeec8824b5a59bd77c06b5448832d9e387cd7c37756959b482
- SSDEEP 768:puNo/9T85LafWUzvSdmo2qIpSEMTFab4OPIM1zjbKgX3aqLnLbIvN+vFBDZ7x:puNo/9T8p72d2QE3M13bdXKqT/I1+zd1
- TLSH T15D232C003BE8813BF2BE4FB8A9F26145867AF6633603D5591CC441975713FC69A42AFE
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
asyncrat
-
0.5.8
-
Default
-
vailon.blog:443
-
vailon.blog:80
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www.vailon.blog:443
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www.vailon.blog:80
-
blacklotus.vailon.blog:443
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blacklotus.vailon.blog:80
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malware.vailon.blog:443
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malware.vailon.blog:80
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conti.vailon.blog:443
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conti.vailon.blog:80
-
WlyN7awK9ByI
-
delay
0
-
install
true
-
install_file
8nilxs.exe
-
install_folder
%AppData%
Signatures
- Async RAT payload 1 IoCs
resource yara_rule behavioral2/files/0x0006000000025f55-8.dat family_asyncrat - Executes dropped EXE 2 IoCs
pid Process 3024 8nilxs.exe 3492 8nilxs.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 7 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 timeout.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 8nilxs.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 8nilxs.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2ec267147e5904a03699fa12d65fd3ee212ddaef9dfbbccf1f90c2f6d70b594b.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe - Delays execution with timeout.exe 1 IoCs
pid Process 1028 timeout.exe - Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4552 schtasks.exe - Suspicious behavior: EnumeratesProcesses 19 IoCs
pid Process 2164 2ec267147e5904a03699fa12d65fd3ee212ddaef9dfbbccf1f90c2f6d70b594b.exe 2164 2ec267147e5904a03699fa12d65fd3ee212ddaef9dfbbccf1f90c2f6d70b594b.exe 2164 2ec267147e5904a03699fa12d65fd3ee212ddaef9dfbbccf1f90c2f6d70b594b.exe 2164 2ec267147e5904a03699fa12d65fd3ee212ddaef9dfbbccf1f90c2f6d70b594b.exe 2164 2ec267147e5904a03699fa12d65fd3ee212ddaef9dfbbccf1f90c2f6d70b594b.exe 2164 2ec267147e5904a03699fa12d65fd3ee212ddaef9dfbbccf1f90c2f6d70b594b.exe 2164 2ec267147e5904a03699fa12d65fd3ee212ddaef9dfbbccf1f90c2f6d70b594b.exe 2164 2ec267147e5904a03699fa12d65fd3ee212ddaef9dfbbccf1f90c2f6d70b594b.exe 2164 2ec267147e5904a03699fa12d65fd3ee212ddaef9dfbbccf1f90c2f6d70b594b.exe 2164 2ec267147e5904a03699fa12d65fd3ee212ddaef9dfbbccf1f90c2f6d70b594b.exe 2164 2ec267147e5904a03699fa12d65fd3ee212ddaef9dfbbccf1f90c2f6d70b594b.exe 2164 2ec267147e5904a03699fa12d65fd3ee212ddaef9dfbbccf1f90c2f6d70b594b.exe 2164 2ec267147e5904a03699fa12d65fd3ee212ddaef9dfbbccf1f90c2f6d70b594b.exe 2164 2ec267147e5904a03699fa12d65fd3ee212ddaef9dfbbccf1f90c2f6d70b594b.exe 2164 2ec267147e5904a03699fa12d65fd3ee212ddaef9dfbbccf1f90c2f6d70b594b.exe 2164 2ec267147e5904a03699fa12d65fd3ee212ddaef9dfbbccf1f90c2f6d70b594b.exe 2164 2ec267147e5904a03699fa12d65fd3ee212ddaef9dfbbccf1f90c2f6d70b594b.exe 2164 2ec267147e5904a03699fa12d65fd3ee212ddaef9dfbbccf1f90c2f6d70b594b.exe 2164 2ec267147e5904a03699fa12d65fd3ee212ddaef9dfbbccf1f90c2f6d70b594b.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2164 2ec267147e5904a03699fa12d65fd3ee212ddaef9dfbbccf1f90c2f6d70b594b.exe Token: SeDebugPrivilege 3024 8nilxs.exe - Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 2164 wrote to memory of 3780 2164 2ec267147e5904a03699fa12d65fd3ee212ddaef9dfbbccf1f90c2f6d70b594b.exe 80 PID 2164 wrote to memory of 5040 2164 2ec267147e5904a03699fa12d65fd3ee212ddaef9dfbbccf1f90c2f6d70b594b.exe 81 PID 5040 wrote to memory of 1028 5040 cmd.exe 84 PID 3780 wrote to memory of 4552 3780 cmd.exe 85 PID 5040 wrote to memory of 3492 5040 cmd.exe 88
Processes
-
C:\Users\Admin\AppData\Local\Temp\2ec267147e5904a03699fa12d65fd3ee212ddaef9dfbbccf1f90c2f6d70b594b.exe"C:\Users\Admin\AppData\Local\Temp\2ec267147e5904a03699fa12d65fd3ee212ddaef9dfbbccf1f90c2f6d70b594b.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2164 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "8nilxs" /tr '"C:\Users\Admin\AppData\Roaming\8nilxs.exe"' & exit2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3780 -
C:\Windows\SysWOW64\schtasks.exeschtasks /create /f /sc onlogon /rl highest /tn "8nilxs" /tr '"C:\Users\Admin\AppData\Roaming\8nilxs.exe"'3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:4552
-
-
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpC870.tmp.bat""2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5040 -
C:\Windows\SysWOW64\timeout.exetimeout 33⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:1028
-
-
C:\Users\Admin\AppData\Roaming\8nilxs.exe"C:\Users\Admin\AppData\Roaming\8nilxs.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3492
-
-
-
C:\Users\Admin\AppData\Roaming\8nilxs.exe"C:\Users\Admin\AppData\Roaming\8nilxs.exe"1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:3024
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\tmpC870.tmp.bat
- Size 150B
- SHA256 ef72b1898a9bc1ec7b369c25f309b1136e863f42040473217fc2441251f820f2
- MD5 9ac1a9b3f31c61783b25fbd82d4d842c
- SHA1 0e5da8656ee5fad35019384b84a40372c20ef320
- SHA512 7b5d2f5a43a9a00104cbeb18cebc4a82aa02cd58205078ea8a360f6c0a5eeff0193ca4bb4009cff5f32ae95bb7a5f0a5b7e8806b4bfdc10211f49568f26809da
- TLSH T14AC02B4352C5EE5E2C05386317FAD6CC927A6C5D3FC0BB40D744840D169045DF0DA381
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Roaming\8nilxs.exe
- Size 45KB
- SHA256 2ec267147e5904a03699fa12d65fd3ee212ddaef9dfbbccf1f90c2f6d70b594b
- MD5 94952749b641da8b6c29ca1d3a86e02b
- SHA1 5e226344267ab2e6e4bc13eaba1ea28748f6b593
- SHA512 5fa109c248ba089851b9c398f0aef055edd988aef7de66c167101b5f5c3d4d2dd9cba904b5d67cbeec8824b5a59bd77c06b5448832d9e387cd7c37756959b482
- SSDEEP 768:puNo/9T85LafWUzvSdmo2qIpSEMTFab4OPIM1zjbKgX3aqLnLbIvN+vFBDZ7x:puNo/9T8p72d2QE3M13bdXKqT/I1+zd1
- TLSH T15D232C003BE8813BF2BE4FB8A9F26145867AF6633603D5591CC441975713FC69A42AFE
- MD5 SHA1 SHA512 SSDEEP TLSH