Analysis
- max time kernel
148s - max time network
149s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
31/08/2026, 14:24
Behavioral task
behavioral1
Sample
4577764554ee2e3394f567708e2ccd5a5f502a45b8ff0a8c22b360cdbb10671d.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
4577764554ee2e3394f567708e2ccd5a5f502a45b8ff0a8c22b360cdbb10671d.exe
Resource
win11ltsc2024-20260709-en
General
- Target 4577764554ee2e3394f567708e2ccd5a5f502a45b8ff0a8c22b360cdbb10671d.exe
- Size 45KB
- Sample260831-rqsj8stdpd
- SHA256 4577764554ee2e3394f567708e2ccd5a5f502a45b8ff0a8c22b360cdbb10671d
- MD5 23f2e59d303f1a14adf175290760e82a
- SHA1 84ab35b41e631da856bea87d0ea4a1af29093214
- SHA512 7886dd22d8bcd551a7a15c02d71ed6ba8b8a3bda9103f282e4ac9dfb417d5b6a22537c38c62e3ff22d26db256cb78715e9f6071564f3d15c6427b7ccbb6bfb65
- SSDEEP 768:RuxkJTVmU5EkWUGMKSmo2q1a/qpG3jHuPIgzjbdgXkiA/nIuPtYzAYgRJyBDZcx:RuxkJTgip2nIM3g3bKXhAfIuPtYJgROs
- TLSH T1C5231A0037E8812BF2BE4FB898F26245867AF6637603D54A1CC451DB5723FC6DA426F9
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
asyncrat
-
0.5.8
-
Default
-
javsub.blog:80
-
javsub.blog:22
-
javsub.blog:8080
-
javsub.blog:8880
-
javsub.blog:2052
-
javsub.blog:2082
-
javsub.blog:2086
-
javsub.blog:2095
-
javsub.blog:443
-
javsub.blog:2053
-
javsub.blog:2083
-
javsub.blog:2087
-
javsub.blog:2096
-
javsub.blog:8443
-
www.javsub.blog:80
-
www.javsub.blog:22
-
www.javsub.blog:8080
-
www.javsub.blog:8880
-
www.javsub.blog:2052
-
www.javsub.blog:2082
-
www.javsub.blog:2086
-
www.javsub.blog:2095
-
www.javsub.blog:443
-
www.javsub.blog:2053
-
www.javsub.blog:2083
-
www.javsub.blog:2087
-
www.javsub.blog:2096
-
www.javsub.blog:8443
-
klez.javsub.blog:80
-
klez.javsub.blog:22
-
klez.javsub.blog:8080
-
klez.javsub.blog:8880
-
klez.javsub.blog:2052
-
klez.javsub.blog:2082
-
klez.javsub.blog:2086
-
klez.javsub.blog:2095
-
klez.javsub.blog:443
-
klez.javsub.blog:2053
-
klez.javsub.blog:2083
-
klez.javsub.blog:2087
-
klez.javsub.blog:2096
-
klez.javsub.blog:8443
-
formbook.javsub.blog:80
-
formbook.javsub.blog:22
-
formbook.javsub.blog:8080
-
formbook.javsub.blog:8880
-
formbook.javsub.blog:2052
-
formbook.javsub.blog:2082
-
formbook.javsub.blog:2086
-
formbook.javsub.blog:2095
-
formbook.javsub.blog:443
-
formbook.javsub.blog:2053
-
formbook.javsub.blog:2083
-
formbook.javsub.blog:2087
-
formbook.javsub.blog:2096
-
formbook.javsub.blog:8443
-
k32lsKTVXikh
-
delay
0
-
install
true
-
install_file
w1bxa2vp.exe
-
install_folder
%AppData%
Signatures
- Async RAT payload 1 IoCs
resource yara_rule behavioral2/files/0x000d00000001c614-10.dat family_asyncrat - Executes dropped EXE 2 IoCs
pid Process 6140 w1bxa2vp.exe 5572 w1bxa2vp.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Executes a command shell one-liner 1 TTPs 2 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 3640 cmd.exe 1096 cmd.exe - 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 schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language w1bxa2vp.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language w1bxa2vp.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 4577764554ee2e3394f567708e2ccd5a5f502a45b8ff0a8c22b360cdbb10671d.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language timeout.exe - Delays execution with timeout.exe 1 IoCs
pid Process 4784 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 4288 schtasks.exe - Suspicious behavior: EnumeratesProcesses 31 IoCs
pid Process 1324 4577764554ee2e3394f567708e2ccd5a5f502a45b8ff0a8c22b360cdbb10671d.exe 1324 4577764554ee2e3394f567708e2ccd5a5f502a45b8ff0a8c22b360cdbb10671d.exe 1324 4577764554ee2e3394f567708e2ccd5a5f502a45b8ff0a8c22b360cdbb10671d.exe 1324 4577764554ee2e3394f567708e2ccd5a5f502a45b8ff0a8c22b360cdbb10671d.exe 1324 4577764554ee2e3394f567708e2ccd5a5f502a45b8ff0a8c22b360cdbb10671d.exe 1324 4577764554ee2e3394f567708e2ccd5a5f502a45b8ff0a8c22b360cdbb10671d.exe 1324 4577764554ee2e3394f567708e2ccd5a5f502a45b8ff0a8c22b360cdbb10671d.exe 1324 4577764554ee2e3394f567708e2ccd5a5f502a45b8ff0a8c22b360cdbb10671d.exe 1324 4577764554ee2e3394f567708e2ccd5a5f502a45b8ff0a8c22b360cdbb10671d.exe 1324 4577764554ee2e3394f567708e2ccd5a5f502a45b8ff0a8c22b360cdbb10671d.exe 1324 4577764554ee2e3394f567708e2ccd5a5f502a45b8ff0a8c22b360cdbb10671d.exe 1324 4577764554ee2e3394f567708e2ccd5a5f502a45b8ff0a8c22b360cdbb10671d.exe 1324 4577764554ee2e3394f567708e2ccd5a5f502a45b8ff0a8c22b360cdbb10671d.exe 1324 4577764554ee2e3394f567708e2ccd5a5f502a45b8ff0a8c22b360cdbb10671d.exe 1324 4577764554ee2e3394f567708e2ccd5a5f502a45b8ff0a8c22b360cdbb10671d.exe 1324 4577764554ee2e3394f567708e2ccd5a5f502a45b8ff0a8c22b360cdbb10671d.exe 1324 4577764554ee2e3394f567708e2ccd5a5f502a45b8ff0a8c22b360cdbb10671d.exe 1324 4577764554ee2e3394f567708e2ccd5a5f502a45b8ff0a8c22b360cdbb10671d.exe 1324 4577764554ee2e3394f567708e2ccd5a5f502a45b8ff0a8c22b360cdbb10671d.exe 1324 4577764554ee2e3394f567708e2ccd5a5f502a45b8ff0a8c22b360cdbb10671d.exe 1324 4577764554ee2e3394f567708e2ccd5a5f502a45b8ff0a8c22b360cdbb10671d.exe 1324 4577764554ee2e3394f567708e2ccd5a5f502a45b8ff0a8c22b360cdbb10671d.exe 1324 4577764554ee2e3394f567708e2ccd5a5f502a45b8ff0a8c22b360cdbb10671d.exe 1324 4577764554ee2e3394f567708e2ccd5a5f502a45b8ff0a8c22b360cdbb10671d.exe 1324 4577764554ee2e3394f567708e2ccd5a5f502a45b8ff0a8c22b360cdbb10671d.exe 1324 4577764554ee2e3394f567708e2ccd5a5f502a45b8ff0a8c22b360cdbb10671d.exe 1324 4577764554ee2e3394f567708e2ccd5a5f502a45b8ff0a8c22b360cdbb10671d.exe 1324 4577764554ee2e3394f567708e2ccd5a5f502a45b8ff0a8c22b360cdbb10671d.exe 1324 4577764554ee2e3394f567708e2ccd5a5f502a45b8ff0a8c22b360cdbb10671d.exe 1324 4577764554ee2e3394f567708e2ccd5a5f502a45b8ff0a8c22b360cdbb10671d.exe 1324 4577764554ee2e3394f567708e2ccd5a5f502a45b8ff0a8c22b360cdbb10671d.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1324 4577764554ee2e3394f567708e2ccd5a5f502a45b8ff0a8c22b360cdbb10671d.exe Token: SeDebugPrivilege 6140 w1bxa2vp.exe - Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 1324 wrote to memory of 3640 1324 4577764554ee2e3394f567708e2ccd5a5f502a45b8ff0a8c22b360cdbb10671d.exe 88 PID 1324 wrote to memory of 1096 1324 4577764554ee2e3394f567708e2ccd5a5f502a45b8ff0a8c22b360cdbb10671d.exe 89 PID 1096 wrote to memory of 4784 1096 cmd.exe 92 PID 3640 wrote to memory of 4288 3640 cmd.exe 93 PID 1096 wrote to memory of 5572 1096 cmd.exe 96
Processes
-
C:\Users\Admin\AppData\Local\Temp\4577764554ee2e3394f567708e2ccd5a5f502a45b8ff0a8c22b360cdbb10671d.exe"C:\Users\Admin\AppData\Local\Temp\4577764554ee2e3394f567708e2ccd5a5f502a45b8ff0a8c22b360cdbb10671d.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1324 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "w1bxa2vp" /tr '"C:\Users\Admin\AppData\Roaming\w1bxa2vp.exe"' & exit2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3640 -
C:\Windows\SysWOW64\schtasks.exeschtasks /create /f /sc onlogon /rl highest /tn "w1bxa2vp" /tr '"C:\Users\Admin\AppData\Roaming\w1bxa2vp.exe"'3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:4288
-
-
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpE3A0.tmp.bat""2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1096 -
C:\Windows\SysWOW64\timeout.exetimeout 33⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:4784
-
-
C:\Users\Admin\AppData\Roaming\w1bxa2vp.exe"C:\Users\Admin\AppData\Roaming\w1bxa2vp.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:5572
-
-
-
C:\Users\Admin\AppData\Roaming\w1bxa2vp.exe"C:\Users\Admin\AppData\Roaming\w1bxa2vp.exe"1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:6140
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Temp\tmpE3A0.tmp.bat
- Size 152B
- SHA256 69b754220b881ba6d743ede919596ea0476cb7e7f5c8b055da8f0c7218ff9ba1
- MD5 f3adadbbc03288be321cb97028c5a634
- SHA1 66cde5dbf606b6e1be9f34ff0e81c8dfa8539a11
- SHA512 21647e54f82eafafc7a080b7b0a3b94cf264e88b72fe187c0531bf47b4fbc46d7911f49358a13a6e09141119addd9a4309bed86c3fc298285b0fffc0d15f8777
- TLSH T10AC02B5251C7EF4EB84514131AFAD5DD91727C993F45FB50D304410D12C0888F4DE3C1
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Roaming\w1bxa2vp.exe
- Size 45KB
- SHA256 4577764554ee2e3394f567708e2ccd5a5f502a45b8ff0a8c22b360cdbb10671d
- MD5 23f2e59d303f1a14adf175290760e82a
- SHA1 84ab35b41e631da856bea87d0ea4a1af29093214
- SHA512 7886dd22d8bcd551a7a15c02d71ed6ba8b8a3bda9103f282e4ac9dfb417d5b6a22537c38c62e3ff22d26db256cb78715e9f6071564f3d15c6427b7ccbb6bfb65
- SSDEEP 768:RuxkJTVmU5EkWUGMKSmo2q1a/qpG3jHuPIgzjbdgXkiA/nIuPtYzAYgRJyBDZcx:RuxkJTgip2nIM3g3bKXhAfIuPtYJgROs
- TLSH T1C5231A0037E8812BF2BE4FB898F26245867AF6637603D54A1CC451DB5723FC6DA426F9
- MD5 SHA1 SHA512 SSDEEP TLSH