Analysis
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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
Errors
General
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Target
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Size
6.7MB
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MD5
f2b7074e1543720a9a98fda660e02688
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SHA1
1029492c1a12789d8af78d54adcb921e24b9e5ca
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SHA256
4ea1f2ecf7eb12896f2cbf8683dae8546d2b8dc43cf7710d68ce99e127c0a966
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SHA512
73f9548633bc38bab64b1dd5a01401ef7f5b139163bdf291cc475dbd2613510c4c5e4d7702ecdfa74b49f3c9eaed37ed23b9d8f0064c66123eb0769c8671c6ff
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SSDEEP
3072:eaLA1++iCeFj0im6X/AXpT8vVMCcHVcdhghUuz1o9Y:fLJlC6j0CX4XmvWHVcd62uO9
Malware Config
Signatures
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Disables Task Manager via registry modification
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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).
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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
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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
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im taskmgr.exe3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4432
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C:\Windows\SysWOW64\Wbem\WMIC.exewmic useraccount where name='Admin' set FullName='UR NEXT'3⤵
- Suspicious use of AdjustPrivilegeToken
PID:5116
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C:\Windows\SysWOW64\Wbem\WMIC.exewmic useraccount where name='Admin' rename 'UR NEXT'3⤵
- Suspicious use of AdjustPrivilegeToken
PID:2424
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C:\Windows\SysWOW64\shutdown.exeshutdown /f /r /t 03⤵PID:2340
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C:\Windows\system32\LogonUI.exe"LogonUI.exe" /flags:0x0 /state0:0xa3af5055 /state1:0x41c64e6d1⤵PID:648
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
64KB
MD5b4b0aa5dbb1a8d4a1659ddf177217734
SHA1089e7800eddd81e178ac743b97dce407063d3b55
SHA256a658afec3ffcdf1e0e7e9aa2aab98b9ed92f800f34dbef5f2cad0f028afa165b
SHA5123bf2ad717b4554eb6ff29cfc88d90b3c39970dfcda7ac95802167fe64c3c36cc164e1eee16c2bafc4402c5424f4352173270960192c4b325c59416687031bab8
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Filesize
9KB
MD57050d5ae8acfbe560fa11073fef8185d
SHA15bc38e77ff06785fe0aec5a345c4ccd15752560e
SHA256cb87767c4a384c24e4a0f88455f59101b1ae7b4fb8de8a5adb4136c5f7ee545b
SHA512a7a295ac8921bb3dde58d4bcde9372ed59def61d4b7699057274960fa8c1d1a1daff834a93f7a0698e9e5c16db43af05e9fd2d6d7c9232f7d26ffcff5fc5900b
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Filesize
403B
MD56fbd6ce25307749d6e0a66ebbc0264e7
SHA1faee71e2eac4c03b96aabecde91336a6510fff60
SHA256e152b106733d9263d3cf175f0b6197880d70acb753f8bde8035a3e4865b31690
SHA51235a0d6d91178ec10619cf4d2fd44d3e57aa0266e1779e15b1eef6e9c359c77c384e0ffe4edb2cde980a6847e53f47733e6eacb72d46762066b3541dee3d29064
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Filesize
76KB
MD59232120b6ff11d48a90069b25aa30abc
SHA197bb45f4076083fca037eee15d001fd284e53e47
SHA25670faa0e1498461731f873d3594f20cbf2beaa6f123a06b66f9df59a9cdf862be
SHA512b06688a9fc0b853d2895f11e812c48d5871f2793183fda5e9638ded22fc5dc1e813f174baedc980a1f0b6a7b0a65cd61f29bb16acc6dd45da62988eb012d6877
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Filesize
771B
MD5a9401e260d9856d1134692759d636e92
SHA14141d3c60173741e14f36dfe41588bb2716d2867
SHA256b551fba71dfd526d4916ae277d8686d83fff36d22fcf6f18457924a070b30ef7
SHA5125cbe38cdab0283b87d9a9875f7ba6fa4e8a7673d933ca05deddddbcf6cf793bd1bf34ac0add798b4ed59ab483e49f433ce4012f571a658bc0add28dd987a57b6
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Filesize
396B
MD59037ebf0a18a1c17537832bc73739109
SHA11d951dedfa4c172a1aa1aae096cfb576c1fb1d60
SHA25638c889b5d7bdcb79bbcb55554c520a9ce74b5bfc29c19d1e4cb1419176c99f48
SHA5124fb5c06089524c6dcd48b6d165cedb488e9efe2d27613289ef8834dbb6c010632d2bd5e3ac75f83b1d8024477ebdf05b9e0809602bbe1780528947c36e4de32f