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Resubmissions
13/02/2022, 15:34
220213-sz5ftsbch7 1013/02/2022, 15:31
220213-syb3wsbcg4 1013/02/2022, 15:17
220213-sn7rtadbaq 10Analysis
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max time kernel
149s -
max time network
156s -
platform
windows11_x64 -
resource
win11 -
submitted
13/02/2022, 15:31
Static task
static1
0 signatures
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0 signatures
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0 signatures
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0 signatures
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General
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Target
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Size
3.4MB
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MD5
84c82835a5d21bbcf75a61706d8ab549
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SHA1
5ff465afaabcbf0150d1a3ab2c2e74f3a4426467
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SHA256
ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa
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SHA512
90723a50c20ba3643d625595fd6be8dcf88d70ff7f4b4719a88f055d5b3149a4231018ea30d375171507a147e59f73478c0c27948590794554d031e7d54b7244
Score
10/10
Malware Config
Extracted
Path
C:\Users\Admin\AppData\Local\Temp\@[email protected]
Family
wannacry
Ransom Note
Q: What's wrong with my files?
A: Ooops, your important files are encrypted. It means you will not be able to access them anymore until they are decrypted.
If you follow our instructions, we guarantee that you can decrypt all your files quickly and safely!
Let's start decrypting!
Q: What do I do?
A: First, you need to pay service fees for the decryption.
Please send $300 worth of bitcoin to this bitcoin address: 13AM4VW2dhxYgXeQepoHkHSQuy6NgaEb94
Next, please find an application file named "@[email protected]". It is the decrypt software.
Run and follow the instructions! (You may need to disable your antivirus for a while.)
Q: How can I trust?
A: Don't worry about decryption.
We will decrypt your files surely because nobody will trust us if we cheat users.
* If you need our assistance, send a message by clicking <Contact Us> on the decryptor window.
�
Wallets
13AM4VW2dhxYgXeQepoHkHSQuy6NgaEb94
Signatures
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Wannacry
WannaCry is a ransomware cryptoworm.
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Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Executes dropped EXE 12 IoCs
pid Process 3288 taskdl.exe 4540 taskdl.exe 5020 taskdl.exe 1484 @[email protected] 2264 @[email protected] 1388 taskse.exe 2272 @[email protected] 3252 taskdl.exe 1612 taskhsvc.exe 4532 taskdl.exe 3244 taskse.exe 3916 @[email protected] -
Drops startup file 2 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\~SDBBEE.tmp [email protected] File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SDBBF5.tmp [email protected] -
Loads dropped DLL 8 IoCs
pid Process 1612 taskhsvc.exe 1612 taskhsvc.exe 1612 taskhsvc.exe 1612 taskhsvc.exe 1612 taskhsvc.exe 1612 taskhsvc.exe 1612 taskhsvc.exe 1612 taskhsvc.exe -
Modifies file permissions 1 TTPs 1 IoCs
pid Process 4696 icacls.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run reg.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\kovazmlfyf099 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\tasksche.exe\"" reg.exe -
Sets desktop wallpaper using registry 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-257790753-2419383948-818201544-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Desktop\\@[email protected]" @[email protected] Set value (str) \REGISTRY\USER\S-1-5-21-257790753-2419383948-818201544-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Desktop\\@[email protected]" [email protected] -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Modifies registry key 1 TTPs 1 IoCs
pid Process 4612 reg.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 1612 taskhsvc.exe 1612 taskhsvc.exe 1612 taskhsvc.exe 1612 taskhsvc.exe 1612 taskhsvc.exe 1612 taskhsvc.exe -
Suspicious use of AdjustPrivilegeToken 49 IoCs
description pid Process Token: SeTcbPrivilege 1388 taskse.exe Token: SeTcbPrivilege 1388 taskse.exe Token: SeIncreaseQuotaPrivilege 2328 WMIC.exe Token: SeSecurityPrivilege 2328 WMIC.exe Token: SeTakeOwnershipPrivilege 2328 WMIC.exe Token: SeLoadDriverPrivilege 2328 WMIC.exe Token: SeSystemProfilePrivilege 2328 WMIC.exe Token: SeSystemtimePrivilege 2328 WMIC.exe Token: SeProfSingleProcessPrivilege 2328 WMIC.exe Token: SeIncBasePriorityPrivilege 2328 WMIC.exe Token: SeCreatePagefilePrivilege 2328 WMIC.exe Token: SeBackupPrivilege 2328 WMIC.exe Token: SeRestorePrivilege 2328 WMIC.exe Token: SeShutdownPrivilege 2328 WMIC.exe Token: SeDebugPrivilege 2328 WMIC.exe Token: SeSystemEnvironmentPrivilege 2328 WMIC.exe Token: SeRemoteShutdownPrivilege 2328 WMIC.exe Token: SeUndockPrivilege 2328 WMIC.exe Token: SeManageVolumePrivilege 2328 WMIC.exe Token: 33 2328 WMIC.exe Token: 34 2328 WMIC.exe Token: 35 2328 WMIC.exe Token: 36 2328 WMIC.exe Token: SeIncreaseQuotaPrivilege 2328 WMIC.exe Token: SeSecurityPrivilege 2328 WMIC.exe Token: SeTakeOwnershipPrivilege 2328 WMIC.exe Token: SeLoadDriverPrivilege 2328 WMIC.exe Token: SeSystemProfilePrivilege 2328 WMIC.exe Token: SeSystemtimePrivilege 2328 WMIC.exe Token: SeProfSingleProcessPrivilege 2328 WMIC.exe Token: SeIncBasePriorityPrivilege 2328 WMIC.exe Token: SeCreatePagefilePrivilege 2328 WMIC.exe Token: SeBackupPrivilege 2328 WMIC.exe Token: SeRestorePrivilege 2328 WMIC.exe Token: SeShutdownPrivilege 2328 WMIC.exe Token: SeDebugPrivilege 2328 WMIC.exe Token: SeSystemEnvironmentPrivilege 2328 WMIC.exe Token: SeRemoteShutdownPrivilege 2328 WMIC.exe Token: SeUndockPrivilege 2328 WMIC.exe Token: SeManageVolumePrivilege 2328 WMIC.exe Token: 33 2328 WMIC.exe Token: 34 2328 WMIC.exe Token: 35 2328 WMIC.exe Token: 36 2328 WMIC.exe Token: SeBackupPrivilege 3120 vssvc.exe Token: SeRestorePrivilege 3120 vssvc.exe Token: SeAuditPrivilege 3120 vssvc.exe Token: SeTcbPrivilege 3244 taskse.exe Token: SeTcbPrivilege 3244 taskse.exe -
Suspicious use of SetWindowsHookEx 7 IoCs
pid Process 2264 @[email protected] 1484 @[email protected] 1484 @[email protected] 2264 @[email protected] 2272 @[email protected] 2272 @[email protected] 3916 @[email protected] -
Suspicious use of WriteProcessMemory 63 IoCs
description pid Process procid_target PID 1136 wrote to memory of 5020 1136 [email protected] 87 PID 1136 wrote to memory of 5020 1136 [email protected] 87 PID 1136 wrote to memory of 5020 1136 [email protected] 87 PID 1136 wrote to memory of 4696 1136 [email protected] 88 PID 1136 wrote to memory of 4696 1136 [email protected] 88 PID 1136 wrote to memory of 4696 1136 [email protected] 88 PID 1136 wrote to memory of 3288 1136 [email protected] 91 PID 1136 wrote to memory of 3288 1136 [email protected] 91 PID 1136 wrote to memory of 3288 1136 [email protected] 91 PID 1136 wrote to memory of 1108 1136 [email protected] 92 PID 1136 wrote to memory of 1108 1136 [email protected] 92 PID 1136 wrote to memory of 1108 1136 [email protected] 92 PID 1108 wrote to memory of 1968 1108 cmd.exe 94 PID 1108 wrote to memory of 1968 1108 cmd.exe 94 PID 1108 wrote to memory of 1968 1108 cmd.exe 94 PID 1136 wrote to memory of 4540 1136 [email protected] 95 PID 1136 wrote to memory of 4540 1136 [email protected] 95 PID 1136 wrote to memory of 4540 1136 [email protected] 95 PID 1136 wrote to memory of 5020 1136 [email protected] 108 PID 1136 wrote to memory of 5020 1136 [email protected] 108 PID 1136 wrote to memory of 5020 1136 [email protected] 108 PID 1136 wrote to memory of 1484 1136 [email protected] 110 PID 1136 wrote to memory of 1484 1136 [email protected] 110 PID 1136 wrote to memory of 1484 1136 [email protected] 110 PID 1136 wrote to memory of 800 1136 [email protected] 111 PID 1136 wrote to memory of 800 1136 [email protected] 111 PID 1136 wrote to memory of 800 1136 [email protected] 111 PID 800 wrote to memory of 2264 800 cmd.exe 113 PID 800 wrote to memory of 2264 800 cmd.exe 113 PID 800 wrote to memory of 2264 800 cmd.exe 113 PID 1136 wrote to memory of 1388 1136 [email protected] 114 PID 1136 wrote to memory of 1388 1136 [email protected] 114 PID 1136 wrote to memory of 1388 1136 [email protected] 114 PID 1136 wrote to memory of 2272 1136 [email protected] 116 PID 1136 wrote to memory of 2272 1136 [email protected] 116 PID 1136 wrote to memory of 2272 1136 [email protected] 116 PID 1136 wrote to memory of 948 1136 [email protected] 115 PID 1136 wrote to memory of 948 1136 [email protected] 115 PID 1136 wrote to memory of 948 1136 [email protected] 115 PID 1136 wrote to memory of 3252 1136 [email protected] 118 PID 1136 wrote to memory of 3252 1136 [email protected] 118 PID 1136 wrote to memory of 3252 1136 [email protected] 118 PID 948 wrote to memory of 4612 948 cmd.exe 121 PID 948 wrote to memory of 4612 948 cmd.exe 121 PID 948 wrote to memory of 4612 948 cmd.exe 121 PID 1484 wrote to memory of 1612 1484 @[email protected] 122 PID 1484 wrote to memory of 1612 1484 @[email protected] 122 PID 1484 wrote to memory of 1612 1484 @[email protected] 122 PID 2264 wrote to memory of 432 2264 @[email protected] 124 PID 2264 wrote to memory of 432 2264 @[email protected] 124 PID 2264 wrote to memory of 432 2264 @[email protected] 124 PID 432 wrote to memory of 2328 432 cmd.exe 126 PID 432 wrote to memory of 2328 432 cmd.exe 126 PID 432 wrote to memory of 2328 432 cmd.exe 126 PID 1136 wrote to memory of 4532 1136 [email protected] 129 PID 1136 wrote to memory of 4532 1136 [email protected] 129 PID 1136 wrote to memory of 4532 1136 [email protected] 129 PID 1136 wrote to memory of 3244 1136 [email protected] 130 PID 1136 wrote to memory of 3244 1136 [email protected] 130 PID 1136 wrote to memory of 3244 1136 [email protected] 130 PID 1136 wrote to memory of 3916 1136 [email protected] 131 PID 1136 wrote to memory of 3916 1136 [email protected] 131 PID 1136 wrote to memory of 3916 1136 [email protected] 131 -
Views/modifies file attributes 1 TTPs 1 IoCs
pid Process 5020 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\[email protected]"C:\Users\Admin\AppData\Local\Temp\[email protected]"1⤵
- Drops startup file
- Sets desktop wallpaper using registry
- Suspicious use of WriteProcessMemory
PID:1136 -
C:\Windows\SysWOW64\attrib.exeattrib +h .2⤵
- Views/modifies file attributes
PID:5020
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C:\Windows\SysWOW64\icacls.exeicacls . /grant Everyone:F /T /C /Q2⤵
- Modifies file permissions
PID:4696
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C:\Users\Admin\AppData\Local\Temp\taskdl.exetaskdl.exe2⤵
- Executes dropped EXE
PID:3288
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 75271644766319.bat2⤵
- Suspicious use of WriteProcessMemory
PID:1108 -
C:\Windows\SysWOW64\cscript.execscript.exe //nologo m.vbs3⤵PID:1968
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C:\Users\Admin\AppData\Local\Temp\taskdl.exetaskdl.exe2⤵
- Executes dropped EXE
PID:4540
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C:\Users\Admin\AppData\Local\Temp\taskdl.exetaskdl.exe2⤵
- Executes dropped EXE
PID:5020
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C:\Users\Admin\AppData\Local\Temp\@[email protected]2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1484 -
C:\Users\Admin\AppData\Local\Temp\TaskData\Tor\taskhsvc.exeTaskData\Tor\taskhsvc.exe3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
PID:1612
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C:\Windows\SysWOW64\cmd.exePID:800
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C:\Users\Admin\AppData\Local\Temp\@[email protected]3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2264 -
C:\Windows\SysWOW64\cmd.execmd.exe /c vssadmin delete shadows /all /quiet & wmic shadowcopy delete & bcdedit /set {default} bootstatuspolicy ignoreallfailures & bcdedit /set {default} recoveryenabled no & wbadmin delete catalog -quiet4⤵
- Suspicious use of WriteProcessMemory
PID:432 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:2328
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C:\Users\Admin\AppData\Local\Temp\taskse.exetaskse.exe C:\Users\Admin\AppData\Local\Temp\@[email protected]2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1388
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C:\Windows\SysWOW64\cmd.execmd.exe /c reg add HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v "kovazmlfyf099" /t REG_SZ /d "\"C:\Users\Admin\AppData\Local\Temp\tasksche.exe\"" /f2⤵
- Suspicious use of WriteProcessMemory
PID:948 -
C:\Windows\SysWOW64\reg.exereg add HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v "kovazmlfyf099" /t REG_SZ /d "\"C:\Users\Admin\AppData\Local\Temp\tasksche.exe\"" /f3⤵
- Adds Run key to start application
- Modifies registry key
PID:4612
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C:\Users\Admin\AppData\Local\Temp\@[email protected]2⤵
- Executes dropped EXE
- Sets desktop wallpaper using registry
- Suspicious use of SetWindowsHookEx
PID:2272
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C:\Users\Admin\AppData\Local\Temp\taskdl.exetaskdl.exe2⤵
- Executes dropped EXE
PID:3252
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C:\Users\Admin\AppData\Local\Temp\taskdl.exetaskdl.exe2⤵
- Executes dropped EXE
PID:4532
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C:\Users\Admin\AppData\Local\Temp\taskse.exetaskse.exe C:\Users\Admin\AppData\Local\Temp\@[email protected]2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3244
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C:\Users\Admin\AppData\Local\Temp\@[email protected]PID:3916
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3120