Analysis
- max time kernel
2s - max time network
12s - platform
windows10-1703_x64 - resource
win10-20240221-en - resource tags
arch:x64arch:x86image:win10-20240221-enlocale:en-usos:windows10-1703-x64system - submitted
02/03/2024, 16:27
Static task
static1
1 signatures
windows7-x64
10 signatures
150 seconds
windows10-1703-x64
10 signatures
150 seconds
Errors
Reason
Machine shutdown
General
- Target [email protected]
- Size 6.7MB
- Sample240302-tx4beseh3w
- SHA256 4ea1f2ecf7eb12896f2cbf8683dae8546d2b8dc43cf7710d68ce99e127c0a966
- MD5 f2b7074e1543720a9a98fda660e02688
- SHA1 1029492c1a12789d8af78d54adcb921e24b9e5ca
- SHA512 73f9548633bc38bab64b1dd5a01401ef7f5b139163bdf291cc475dbd2613510c4c5e4d7702ecdfa74b49f3c9eaed37ed23b9d8f0064c66123eb0769c8671c6ff
- SSDEEP 3072:eaLA1++iCeFj0im6X/AXpT8vVMCcHVcdhghUuz1o9Y:fLJlC6j0CX4XmvWHVcd62uO9
- MD5 SHA1 SHA512 SSDEEP
Score
8/10
Malware Config
Signatures
- Disables Task Manager via registry modification
- Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\L: [email protected] File opened (read-only) \??\Y: [email protected] File opened (read-only) \??\B: [email protected] File opened (read-only) \??\E: [email protected] File opened (read-only) \??\G: [email protected] File opened (read-only) \??\J: [email protected] File opened (read-only) \??\I: [email protected] File opened (read-only) \??\M: [email protected] File opened (read-only) \??\Q: [email protected] File opened (read-only) \??\W: [email protected] File opened (read-only) \??\X: [email protected] File opened (read-only) \??\H: [email protected] File opened (read-only) \??\N: [email protected] File opened (read-only) \??\O: [email protected] File opened (read-only) \??\R: [email protected] File opened (read-only) \??\T: [email protected] File opened (read-only) \??\U: [email protected] File opened (read-only) \??\V: [email protected] File opened (read-only) \??\Z: [email protected] File opened (read-only) \??\A: [email protected] File opened (read-only) \??\K: [email protected] File opened (read-only) \??\P: [email protected] File opened (read-only) \??\S: [email protected] - Modifies WinLogon 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\AutoRestartShell = "0" [email protected] - Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-682446400-748730298-2471801445-1000\Control Panel\Desktop\Wallpaper [email protected] - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Kills process with taskkill 2 IoCs
pid Process 4380 taskkill.exe 4432 taskkill.exe - Modifies registry class 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\icon.ico" [email protected] - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 4380 taskkill.exe Token: SeDebugPrivilege 4432 taskkill.exe Token: SeShutdownPrivilege 3452 [email protected] Token: SeCreatePagefilePrivilege 3452 [email protected] Token: SeIncreaseQuotaPrivilege 5116 WMIC.exe Token: SeSecurityPrivilege 5116 WMIC.exe Token: SeTakeOwnershipPrivilege 5116 WMIC.exe Token: SeLoadDriverPrivilege 5116 WMIC.exe Token: SeSystemProfilePrivilege 5116 WMIC.exe Token: SeSystemtimePrivilege 5116 WMIC.exe Token: SeProfSingleProcessPrivilege 5116 WMIC.exe Token: SeIncBasePriorityPrivilege 5116 WMIC.exe Token: SeCreatePagefilePrivilege 5116 WMIC.exe Token: SeBackupPrivilege 5116 WMIC.exe Token: SeRestorePrivilege 5116 WMIC.exe Token: SeShutdownPrivilege 5116 WMIC.exe Token: SeDebugPrivilege 5116 WMIC.exe Token: SeSystemEnvironmentPrivilege 5116 WMIC.exe Token: SeRemoteShutdownPrivilege 5116 WMIC.exe Token: SeUndockPrivilege 5116 WMIC.exe Token: SeManageVolumePrivilege 5116 WMIC.exe Token: 33 5116 WMIC.exe Token: 34 5116 WMIC.exe Token: 35 5116 WMIC.exe Token: 36 5116 WMIC.exe Token: SeIncreaseQuotaPrivilege 5116 WMIC.exe Token: SeSecurityPrivilege 5116 WMIC.exe Token: SeTakeOwnershipPrivilege 5116 WMIC.exe Token: SeLoadDriverPrivilege 5116 WMIC.exe Token: SeSystemProfilePrivilege 5116 WMIC.exe Token: SeSystemtimePrivilege 5116 WMIC.exe Token: SeProfSingleProcessPrivilege 5116 WMIC.exe Token: SeIncBasePriorityPrivilege 5116 WMIC.exe Token: SeCreatePagefilePrivilege 5116 WMIC.exe Token: SeBackupPrivilege 5116 WMIC.exe Token: SeRestorePrivilege 5116 WMIC.exe Token: SeShutdownPrivilege 5116 WMIC.exe Token: SeDebugPrivilege 5116 WMIC.exe Token: SeSystemEnvironmentPrivilege 5116 WMIC.exe Token: SeRemoteShutdownPrivilege 5116 WMIC.exe Token: SeUndockPrivilege 5116 WMIC.exe Token: SeManageVolumePrivilege 5116 WMIC.exe Token: 33 5116 WMIC.exe Token: 34 5116 WMIC.exe Token: 35 5116 WMIC.exe Token: 36 5116 WMIC.exe Token: SeIncreaseQuotaPrivilege 2424 WMIC.exe Token: SeSecurityPrivilege 2424 WMIC.exe Token: SeTakeOwnershipPrivilege 2424 WMIC.exe Token: SeLoadDriverPrivilege 2424 WMIC.exe Token: SeSystemProfilePrivilege 2424 WMIC.exe Token: SeSystemtimePrivilege 2424 WMIC.exe Token: SeProfSingleProcessPrivilege 2424 WMIC.exe Token: SeIncBasePriorityPrivilege 2424 WMIC.exe Token: SeCreatePagefilePrivilege 2424 WMIC.exe Token: SeBackupPrivilege 2424 WMIC.exe Token: SeRestorePrivilege 2424 WMIC.exe Token: SeShutdownPrivilege 2424 WMIC.exe Token: SeDebugPrivilege 2424 WMIC.exe Token: SeSystemEnvironmentPrivilege 2424 WMIC.exe Token: SeRemoteShutdownPrivilege 2424 WMIC.exe Token: SeUndockPrivilege 2424 WMIC.exe Token: SeManageVolumePrivilege 2424 WMIC.exe Token: 33 2424 WMIC.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3452 [email protected] 3452 [email protected] - Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 3452 wrote to memory of 3528 3452 [email protected] 75 PID 3452 wrote to memory of 3528 3452 [email protected] 75 PID 3452 wrote to memory of 3528 3452 [email protected] 75 PID 3528 wrote to memory of 4380 3528 cmd.exe 77 PID 3528 wrote to memory of 4380 3528 cmd.exe 77 PID 3528 wrote to memory of 4380 3528 cmd.exe 77 PID 3528 wrote to memory of 4432 3528 cmd.exe 79 PID 3528 wrote to memory of 4432 3528 cmd.exe 79 PID 3528 wrote to memory of 4432 3528 cmd.exe 79 PID 3528 wrote to memory of 5116 3528 cmd.exe 80 PID 3528 wrote to memory of 5116 3528 cmd.exe 80 PID 3528 wrote to memory of 5116 3528 cmd.exe 80 PID 3528 wrote to memory of 2424 3528 cmd.exe 81 PID 3528 wrote to memory of 2424 3528 cmd.exe 81 PID 3528 wrote to memory of 2424 3528 cmd.exe 81
Processes
-
C:\Users\Admin\AppData\Local\Temp\[email protected]"C:\Users\Admin\AppData\Local\Temp\[email protected]"1⤵
- Enumerates connected drives
- Modifies WinLogon
- Sets desktop wallpaper using registry
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3452 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\windl.bat""2⤵
- Suspicious use of WriteProcessMemory
PID:3528 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im explorer.exe3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4380
-
-
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im taskmgr.exe3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4432
-
-
C:\Windows\SysWOW64\Wbem\WMIC.exewmic useraccount where name='Admin' set FullName='UR NEXT'3⤵
- Suspicious use of AdjustPrivilegeToken
PID:5116
-
-
C:\Windows\SysWOW64\Wbem\WMIC.exewmic useraccount where name='Admin' rename 'UR NEXT'3⤵
- Suspicious use of AdjustPrivilegeToken
PID:2424
-
-
C:\Windows\SysWOW64\shutdown.exeshutdown /f /r /t 03⤵PID:2340
-
-
-
C:\Windows\system32\LogonUI.exe"LogonUI.exe" /flags:0x0 /state0:0xa3af5055 /state1:0x41c64e6d1⤵PID:648
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\Media Player\CurrentDatabase_400.wmdb
- Size 64KB
- SHA256 a658afec3ffcdf1e0e7e9aa2aab98b9ed92f800f34dbef5f2cad0f028afa165b
- MD5 b4b0aa5dbb1a8d4a1659ddf177217734
- SHA1 089e7800eddd81e178ac743b97dce407063d3b55
- SHA512 3bf2ad717b4554eb6ff29cfc88d90b3c39970dfcda7ac95802167fe64c3c36cc164e1eee16c2bafc4402c5424f4352173270960192c4b325c59416687031bab8
- SSDEEP 3:c/xallkltlsl7pl+e/llw74X9altMlVlQGlw1XMR7OEdlEMlDdPLrEI1Xlldl0le:j+1E3+ejXMXk4Gl5QEnEMTEI10cAe
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows Media\12.0\WMSDKNS.XML
- Size 9KB
- SHA256 cb87767c4a384c24e4a0f88455f59101b1ae7b4fb8de8a5adb4136c5f7ee545b
- MD5 7050d5ae8acfbe560fa11073fef8185d
- SHA1 5bc38e77ff06785fe0aec5a345c4ccd15752560e
- SHA512 a7a295ac8921bb3dde58d4bcde9372ed59def61d4b7699057274960fa8c1d1a1daff834a93f7a0698e9e5c16db43af05e9fd2d6d7c9232f7d26ffcff5fc5900b
- SSDEEP 96:/YkZRAF6zyHUhm77yB1pZYCEnfHrHH7B6xTGH+YCLV3zwULJEYCJWyHBt3zwFRh+:/2FV0bBPCfUdY
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\one.rtf
- Size 403B
- SHA256 e152b106733d9263d3cf175f0b6197880d70acb753f8bde8035a3e4865b31690
- MD5 6fbd6ce25307749d6e0a66ebbc0264e7
- SHA1 faee71e2eac4c03b96aabecde91336a6510fff60
- SHA512 35a0d6d91178ec10619cf4d2fd44d3e57aa0266e1779e15b1eef6e9c359c77c384e0ffe4edb2cde980a6847e53f47733e6eacb72d46762066b3541dee3d29064
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\rniw.exe
- Size 76KB
- SHA256 70faa0e1498461731f873d3594f20cbf2beaa6f123a06b66f9df59a9cdf862be
- MD5 9232120b6ff11d48a90069b25aa30abc
- SHA1 97bb45f4076083fca037eee15d001fd284e53e47
- SHA512 b06688a9fc0b853d2895f11e812c48d5871f2793183fda5e9638ded22fc5dc1e813f174baedc980a1f0b6a7b0a65cd61f29bb16acc6dd45da62988eb012d6877
- SSDEEP 1536:3vosBknP2Uo+GjDZwue3jzFfcdhghUuV+ETNOh:3vVMCcHVcdhghUuzE
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\windl.bat
- Size 771B
- SHA256 b551fba71dfd526d4916ae277d8686d83fff36d22fcf6f18457924a070b30ef7
- MD5 a9401e260d9856d1134692759d636e92
- SHA1 4141d3c60173741e14f36dfe41588bb2716d2867
- SHA512 5cbe38cdab0283b87d9a9875f7ba6fa4e8a7673d933ca05deddddbcf6cf793bd1bf34ac0add798b4ed59ab483e49f433ce4012f571a658bc0add28dd987a57b6
- MD5 SHA1 SHA512
- Path C:\Users\Admin\Desktop\UR NEXT UR NEXT UR NEXT UR NEXT UR NEXT UR NEXT UR NEXT UR N1XT.txt
- Size 396B
- SHA256 38c889b5d7bdcb79bbcb55554c520a9ce74b5bfc29c19d1e4cb1419176c99f48
- MD5 9037ebf0a18a1c17537832bc73739109
- SHA1 1d951dedfa4c172a1aa1aae096cfb576c1fb1d60
- SHA512 4fb5c06089524c6dcd48b6d165cedb488e9efe2d27613289ef8834dbb6c010632d2bd5e3ac75f83b1d8024477ebdf05b9e0809602bbe1780528947c36e4de32f
- MD5 SHA1 SHA512