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08-06-2024 08:50
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240425-ww4a5sdc8x 10Analysis
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max time kernel
4s -
max time network
13s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
25-04-2024 18:27
Static task
static1
Behavioral task
behavioral1
Sample
000.exe
Resource
win11-20240412-en
Behavioral task
behavioral2
Sample
Ana.exe
Resource
win11-20240412-en
Behavioral task
behavioral3
Sample
Bad Rabit.exe
Resource
win11-20240412-en
Behavioral task
behavioral4
Sample
Desktop Puzzle.exe
Resource
win11-20240412-en
Behavioral task
behavioral5
Sample
Memz.exe
Resource
win11-20240412-en
Behavioral task
behavioral6
Sample
NoEscape.exe
Resource
win11-20240412-en
Behavioral task
behavioral7
Sample
WannaCrypt0r.exe
Resource
win11-20240412-en
Errors
General
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Target
000.exe
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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.
Processes:
000.exedescription ioc Process File opened (read-only) \??\E: 000.exe File opened (read-only) \??\K: 000.exe File opened (read-only) \??\L: 000.exe File opened (read-only) \??\U: 000.exe File opened (read-only) \??\A: 000.exe File opened (read-only) \??\H: 000.exe File opened (read-only) \??\I: 000.exe File opened (read-only) \??\M: 000.exe File opened (read-only) \??\O: 000.exe File opened (read-only) \??\P: 000.exe File opened (read-only) \??\Q: 000.exe File opened (read-only) \??\T: 000.exe File opened (read-only) \??\V: 000.exe File opened (read-only) \??\X: 000.exe File opened (read-only) \??\N: 000.exe File opened (read-only) \??\S: 000.exe File opened (read-only) \??\Z: 000.exe File opened (read-only) \??\B: 000.exe File opened (read-only) \??\G: 000.exe File opened (read-only) \??\J: 000.exe File opened (read-only) \??\R: 000.exe File opened (read-only) \??\W: 000.exe File opened (read-only) \??\Y: 000.exe -
Modifies WinLogon 2 TTPs 1 IoCs
Processes:
000.exedescription ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\AutoRestartShell = "0" 000.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
Processes:
000.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-834482027-582050234-2368284635-1000\Control Panel\Desktop\Wallpaper 000.exe -
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
Processes:
taskkill.exetaskkill.exepid Process 2600 taskkill.exe 2880 taskkill.exe -
Modifies registry class 4 IoCs
Processes:
000.exedescription ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\DefaultIcon 000.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile 000.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\icon.ico" 000.exe Key created \REGISTRY\MACHINE\Software\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\Deployment\Package\*\S-1-5-21-834482027-582050234-2368284635-1000\{E77B076C-C494-41AC-B583-69D826CBCC12} 000.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
taskkill.exetaskkill.exe000.exeWMIC.exeWMIC.exedescription pid Process Token: SeDebugPrivilege 2600 taskkill.exe Token: SeDebugPrivilege 2880 taskkill.exe Token: SeShutdownPrivilege 888 000.exe Token: SeCreatePagefilePrivilege 888 000.exe Token: SeIncreaseQuotaPrivilege 4692 WMIC.exe Token: SeSecurityPrivilege 4692 WMIC.exe Token: SeTakeOwnershipPrivilege 4692 WMIC.exe Token: SeLoadDriverPrivilege 4692 WMIC.exe Token: SeSystemProfilePrivilege 4692 WMIC.exe Token: SeSystemtimePrivilege 4692 WMIC.exe Token: SeProfSingleProcessPrivilege 4692 WMIC.exe Token: SeIncBasePriorityPrivilege 4692 WMIC.exe Token: SeCreatePagefilePrivilege 4692 WMIC.exe Token: SeBackupPrivilege 4692 WMIC.exe Token: SeRestorePrivilege 4692 WMIC.exe Token: SeShutdownPrivilege 4692 WMIC.exe Token: SeDebugPrivilege 4692 WMIC.exe Token: SeSystemEnvironmentPrivilege 4692 WMIC.exe Token: SeRemoteShutdownPrivilege 4692 WMIC.exe Token: SeUndockPrivilege 4692 WMIC.exe Token: SeManageVolumePrivilege 4692 WMIC.exe Token: 33 4692 WMIC.exe Token: 34 4692 WMIC.exe Token: 35 4692 WMIC.exe Token: 36 4692 WMIC.exe Token: SeIncreaseQuotaPrivilege 4692 WMIC.exe Token: SeSecurityPrivilege 4692 WMIC.exe Token: SeTakeOwnershipPrivilege 4692 WMIC.exe Token: SeLoadDriverPrivilege 4692 WMIC.exe Token: SeSystemProfilePrivilege 4692 WMIC.exe Token: SeSystemtimePrivilege 4692 WMIC.exe Token: SeProfSingleProcessPrivilege 4692 WMIC.exe Token: SeIncBasePriorityPrivilege 4692 WMIC.exe Token: SeCreatePagefilePrivilege 4692 WMIC.exe Token: SeBackupPrivilege 4692 WMIC.exe Token: SeRestorePrivilege 4692 WMIC.exe Token: SeShutdownPrivilege 4692 WMIC.exe Token: SeDebugPrivilege 4692 WMIC.exe Token: SeSystemEnvironmentPrivilege 4692 WMIC.exe Token: SeRemoteShutdownPrivilege 4692 WMIC.exe Token: SeUndockPrivilege 4692 WMIC.exe Token: SeManageVolumePrivilege 4692 WMIC.exe Token: 33 4692 WMIC.exe Token: 34 4692 WMIC.exe Token: 35 4692 WMIC.exe Token: 36 4692 WMIC.exe Token: SeIncreaseQuotaPrivilege 4344 WMIC.exe Token: SeSecurityPrivilege 4344 WMIC.exe Token: SeTakeOwnershipPrivilege 4344 WMIC.exe Token: SeLoadDriverPrivilege 4344 WMIC.exe Token: SeSystemProfilePrivilege 4344 WMIC.exe Token: SeSystemtimePrivilege 4344 WMIC.exe Token: SeProfSingleProcessPrivilege 4344 WMIC.exe Token: SeIncBasePriorityPrivilege 4344 WMIC.exe Token: SeCreatePagefilePrivilege 4344 WMIC.exe Token: SeBackupPrivilege 4344 WMIC.exe Token: SeRestorePrivilege 4344 WMIC.exe Token: SeShutdownPrivilege 4344 WMIC.exe Token: SeDebugPrivilege 4344 WMIC.exe Token: SeSystemEnvironmentPrivilege 4344 WMIC.exe Token: SeRemoteShutdownPrivilege 4344 WMIC.exe Token: SeUndockPrivilege 4344 WMIC.exe Token: SeManageVolumePrivilege 4344 WMIC.exe Token: 33 4344 WMIC.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
000.exepid Process 888 000.exe 888 000.exe -
Suspicious use of WriteProcessMemory 15 IoCs
Processes:
000.execmd.exedescription pid Process procid_target PID 888 wrote to memory of 4668 888 000.exe 80 PID 888 wrote to memory of 4668 888 000.exe 80 PID 888 wrote to memory of 4668 888 000.exe 80 PID 4668 wrote to memory of 2600 4668 cmd.exe 82 PID 4668 wrote to memory of 2600 4668 cmd.exe 82 PID 4668 wrote to memory of 2600 4668 cmd.exe 82 PID 4668 wrote to memory of 2880 4668 cmd.exe 84 PID 4668 wrote to memory of 2880 4668 cmd.exe 84 PID 4668 wrote to memory of 2880 4668 cmd.exe 84 PID 4668 wrote to memory of 4692 4668 cmd.exe 85 PID 4668 wrote to memory of 4692 4668 cmd.exe 85 PID 4668 wrote to memory of 4692 4668 cmd.exe 85 PID 4668 wrote to memory of 4344 4668 cmd.exe 86 PID 4668 wrote to memory of 4344 4668 cmd.exe 86 PID 4668 wrote to memory of 4344 4668 cmd.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\000.exe"C:\Users\Admin\AppData\Local\Temp\000.exe"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:888 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\windl.bat""2⤵
- Suspicious use of WriteProcessMemory
PID:4668 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im explorer.exe3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2600
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im taskmgr.exe3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2880
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C:\Windows\SysWOW64\Wbem\WMIC.exewmic useraccount where name='Admin' set FullName='UR NEXT'3⤵
- Suspicious use of AdjustPrivilegeToken
PID:4692
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C:\Windows\SysWOW64\Wbem\WMIC.exewmic useraccount where name='Admin' rename 'UR NEXT'3⤵
- Suspicious use of AdjustPrivilegeToken
PID:4344
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C:\Windows\SysWOW64\shutdown.exeshutdown /f /r /t 03⤵PID:4656
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C:\Windows\system32\LogonUI.exe"LogonUI.exe" /flags:0x4 /state0:0xa3a1c855 /state1:0x41c64e6d1⤵PID:3368
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
640KB
MD5a78ea7b56715fe1d39ed429d18ffa982
SHA11be672dee1f52233217d0da00b1efedc3dfe23a4
SHA25669308cb4a22aff902b1af73e865629ca98f08e433183368c4b80cbe6c9719e93
SHA51240b82bb3c2b28c70b7db10454d9c2e6a715c4bd24b126489c07783649ce3f9f250fc263cacebf813df8a1e0c628a7738e2f2f92d457ba8165ba200d8b0a676dc
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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