Analysis
- max time kernel
148s - max time network
95s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system - submitted
13/05/2024, 19:02
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
Resource
win7-20240221-en
16 signatures
150 seconds
Behavioral task
behavioral2
Sample
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
Resource
win10v2004-20240508-en
13 signatures
150 seconds
General
- Target be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
- Size 224KB
- Sample240513-xp767aaa3s
- SHA256 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844
- MD5 5c7fb0927db37372da25f270708103a2
- SHA1 120ed9279d85cbfa56e5b7779ffa7162074f7a29
- SHA512 a15f97fad744ccf5f620e5aabb81f48507327b898a9aa4287051464019e0f89224c484e9691812e166471af9beaddcfc3deb2ba878658761f4800663beef7206
- SSDEEP 3072:Y059femWRwTs/dbelj0X8/j84pcRXPlU3Upt3or4H84lK8PtpLzLsR/EfcZ:+5RwTs/dSXj84mRXPemxdBlPvLzLeZ
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Path
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C:\Users\Admin\AppData\Local\Temp\!Please Read Me!.txt
-
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: 15zGqZCTcys6eCjDkE3DypCjXi6QWRV6V1 Next, please find the decrypt software on your desktop, an executable file named "!WannaDecryptor!.exe". If it does not exsit, download the software from the address below. (You may need to disable your antivirus for a while.) rar password: wcry123 Run and follow the instructions! �
Wallets
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15zGqZCTcys6eCjDkE3DypCjXi6QWRV6V1
Signatures
- Wannacry
WannaCry is a ransomware cryptoworm.
- Deletes shadow copies 3 TTPs
Ransomware often targets backup files to inhibit system recovery.
- Drops startup file 2 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\~SD7E61.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD7E78.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe - Executes dropped EXE 4 IoCs
pid Process 5064 !WannaDecryptor!.exe 404 !WannaDecryptor!.exe 3884 !WannaDecryptor!.exe 2892 !WannaDecryptor!.exe - Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Microsoft Update Task Scheduler = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe\" /r" be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe - Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Desktop\\!WannaCryptor!.bmp" !WannaDecryptor!.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Kills process with taskkill 4 IoCs
pid Process 448 taskkill.exe 628 taskkill.exe 632 taskkill.exe 3904 taskkill.exe - Suspicious use of AdjustPrivilegeToken 49 IoCs
description pid Process Token: SeDebugPrivilege 448 taskkill.exe Token: SeDebugPrivilege 3904 taskkill.exe Token: SeDebugPrivilege 632 taskkill.exe Token: SeDebugPrivilege 628 taskkill.exe Token: SeIncreaseQuotaPrivilege 3300 WMIC.exe Token: SeSecurityPrivilege 3300 WMIC.exe Token: SeTakeOwnershipPrivilege 3300 WMIC.exe Token: SeLoadDriverPrivilege 3300 WMIC.exe Token: SeSystemProfilePrivilege 3300 WMIC.exe Token: SeSystemtimePrivilege 3300 WMIC.exe Token: SeProfSingleProcessPrivilege 3300 WMIC.exe Token: SeIncBasePriorityPrivilege 3300 WMIC.exe Token: SeCreatePagefilePrivilege 3300 WMIC.exe Token: SeBackupPrivilege 3300 WMIC.exe Token: SeRestorePrivilege 3300 WMIC.exe Token: SeShutdownPrivilege 3300 WMIC.exe Token: SeDebugPrivilege 3300 WMIC.exe Token: SeSystemEnvironmentPrivilege 3300 WMIC.exe Token: SeRemoteShutdownPrivilege 3300 WMIC.exe Token: SeUndockPrivilege 3300 WMIC.exe Token: SeManageVolumePrivilege 3300 WMIC.exe Token: 33 3300 WMIC.exe Token: 34 3300 WMIC.exe Token: 35 3300 WMIC.exe Token: 36 3300 WMIC.exe Token: SeIncreaseQuotaPrivilege 3300 WMIC.exe Token: SeSecurityPrivilege 3300 WMIC.exe Token: SeTakeOwnershipPrivilege 3300 WMIC.exe Token: SeLoadDriverPrivilege 3300 WMIC.exe Token: SeSystemProfilePrivilege 3300 WMIC.exe Token: SeSystemtimePrivilege 3300 WMIC.exe Token: SeProfSingleProcessPrivilege 3300 WMIC.exe Token: SeIncBasePriorityPrivilege 3300 WMIC.exe Token: SeCreatePagefilePrivilege 3300 WMIC.exe Token: SeBackupPrivilege 3300 WMIC.exe Token: SeRestorePrivilege 3300 WMIC.exe Token: SeShutdownPrivilege 3300 WMIC.exe Token: SeDebugPrivilege 3300 WMIC.exe Token: SeSystemEnvironmentPrivilege 3300 WMIC.exe Token: SeRemoteShutdownPrivilege 3300 WMIC.exe Token: SeUndockPrivilege 3300 WMIC.exe Token: SeManageVolumePrivilege 3300 WMIC.exe Token: 33 3300 WMIC.exe Token: 34 3300 WMIC.exe Token: 35 3300 WMIC.exe Token: 36 3300 WMIC.exe Token: SeBackupPrivilege 4960 vssvc.exe Token: SeRestorePrivilege 4960 vssvc.exe Token: SeAuditPrivilege 4960 vssvc.exe - Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 5064 !WannaDecryptor!.exe 5064 !WannaDecryptor!.exe 404 !WannaDecryptor!.exe 404 !WannaDecryptor!.exe 3884 !WannaDecryptor!.exe 3884 !WannaDecryptor!.exe 2892 !WannaDecryptor!.exe 2892 !WannaDecryptor!.exe - Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 1492 wrote to memory of 1796 1492 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 82 PID 1492 wrote to memory of 1796 1492 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 82 PID 1492 wrote to memory of 1796 1492 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 82 PID 1796 wrote to memory of 3156 1796 cmd.exe 84 PID 1796 wrote to memory of 3156 1796 cmd.exe 84 PID 1796 wrote to memory of 3156 1796 cmd.exe 84 PID 1492 wrote to memory of 5064 1492 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 88 PID 1492 wrote to memory of 5064 1492 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 88 PID 1492 wrote to memory of 5064 1492 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 88 PID 1492 wrote to memory of 628 1492 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 90 PID 1492 wrote to memory of 628 1492 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 90 PID 1492 wrote to memory of 628 1492 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 90 PID 1492 wrote to memory of 448 1492 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 91 PID 1492 wrote to memory of 448 1492 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 91 PID 1492 wrote to memory of 448 1492 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 91 PID 1492 wrote to memory of 3904 1492 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 92 PID 1492 wrote to memory of 3904 1492 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 92 PID 1492 wrote to memory of 3904 1492 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 92 PID 1492 wrote to memory of 632 1492 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 93 PID 1492 wrote to memory of 632 1492 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 93 PID 1492 wrote to memory of 632 1492 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 93 PID 1492 wrote to memory of 404 1492 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 101 PID 1492 wrote to memory of 404 1492 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 101 PID 1492 wrote to memory of 404 1492 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 101 PID 1492 wrote to memory of 3380 1492 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 102 PID 1492 wrote to memory of 3380 1492 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 102 PID 1492 wrote to memory of 3380 1492 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 102 PID 3380 wrote to memory of 3884 3380 cmd.exe 104 PID 3380 wrote to memory of 3884 3380 cmd.exe 104 PID 3380 wrote to memory of 3884 3380 cmd.exe 104 PID 1492 wrote to memory of 2892 1492 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 106 PID 1492 wrote to memory of 2892 1492 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 106 PID 1492 wrote to memory of 2892 1492 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 106 PID 3884 wrote to memory of 4752 3884 !WannaDecryptor!.exe 107 PID 3884 wrote to memory of 4752 3884 !WannaDecryptor!.exe 107 PID 3884 wrote to memory of 4752 3884 !WannaDecryptor!.exe 107 PID 4752 wrote to memory of 3300 4752 cmd.exe 109 PID 4752 wrote to memory of 3300 4752 cmd.exe 109 PID 4752 wrote to memory of 3300 4752 cmd.exe 109 - Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
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C:\Users\Admin\AppData\Local\Temp\be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe"C:\Users\Admin\AppData\Local\Temp\be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe"1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1492 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 156111715626980.bat2⤵
- Suspicious use of WriteProcessMemory
PID:1796 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:3156
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:5064
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:628
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:448
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3904
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:632
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:404
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C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Suspicious use of WriteProcessMemory
PID:3380 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3884 -
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:4752 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:3300
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe2⤵
- Executes dropped EXE
- Sets desktop wallpaper using registry
- Suspicious use of SetWindowsHookEx
PID:2892
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4960
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\!Please Read Me!.txt
- Size 797B
- SHA256 227082c719fd4394c1f2311a0877d8a302c5b092bcc49f853a5cf3d2945f42b0
- MD5 afa18cf4aa2660392111763fb93a8c3d
- SHA1 c219a3654a5f41ce535a09f2a188a464c3f5baf5
- SHA512 4161f250d59b7d4d4a6c4f16639d66d21b2a9606de956d22ec00bedb006643fedbbb8e4cde9f6c0c977285918648314883ca91f3442d1125593bf2605f2d5c6b
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe.lnk
- Size 1KB
- SHA256 5f9367daea1498e546550f9e56a9921597d510a91f5b859fdc81015c38092400
- MD5 c667a74e76dec9b66d37d6e4030d6aaa
- SHA1 739b384724d07b96052b8d945a346c9c669fb80c
- SHA512 97b6cd0ba84de02da83cf030414d1295535ee3c258d616498b43835cab4ce216aaf740e6e0bc3e0d0aca4957dd9b59da1a63448e420994fba571f344934c54b0
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\00000000.res
- Size 136B
- SHA256 148cb915354e93c50ab427b1dc459330ecb5de4e831a6c51b2df75c5db8cb4dc
- MD5 a5fd3c52a3b1493b46799fdfe2227a49
- SHA1 3ef2db57ba0bffde23081dd0f792b6f84347b5cd
- SHA512 e151d420330c190160cb5baf68184ee2041e532a7be91f92befed09bd7250809a51a57c73dd3fae9e50373a713c81e694a3255ffcbbe93d9855a72166f51e7d8
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\00000000.res
- Size 136B
- SHA256 1aeeddd572d1643f402c8451ad33c03b075fd562c2da8512e5c9b1931885a76a
- MD5 2e6f1aac46d7c34c46a1d15408fecfe4
- SHA1 c837d2318843bb56720aadc49ea3df8190793e13
- SHA512 f511109fb49d64cab9a3ed05f98414abb7c2b10304b2bf14f2e21a1d1859d44dbe358671534d8a9141519f0eb74043712587e3b040556f9b369b5e9ffb8634bf
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\00000000.res
- Size 136B
- SHA256 41c5c29564b1f764b95c09952a5491c8b81f32dced77f4ad40178b547ff0c4bf
- MD5 1090c5e9b517966da845141336e5cff2
- SHA1 6630d6bf847f2ce204d9d9ee4c39c502816ac8c3
- SHA512 2eea9dcb90eb5ad763e961a97ee01a55d5a710a72b2a092e001132f7c67d481062f3e67e1cce0065ea878280bb9d5f9f31f1922534c23e85a262c084ada387b7
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\156111715626980.bat
- Size 336B
- SHA256 73872a89440a2cba9d22bf4961c3d499ea2c72979c30c455f942374292fedadc
- MD5 3540e056349c6972905dc9706cd49418
- SHA1 492c20442d34d45a6d6790c720349b11ec591cde
- SHA512 c949d147100aef59e382c03abf7b162ae62a4d43456eebd730fbedcf5f95f5e1a24f6e349690d52d75331878a6ee8f6b88a7162ee9cf2a49e142196b12d0133c
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\c.vbs
- Size 219B
- SHA256 0fb5039a2fe7e90cdf3f22140d7f2103f94689b15609efe0edcc8430dd772fc1
- MD5 5f6d40ca3c34b470113ed04d06a88ff4
- SHA1 50629e7211ae43e32060686d6be17ebd492fd7aa
- SHA512 4d4aa1abd2c9183202fd3f0a65b37f07ee0166ba6561f094c13c8ea59752c7bdd960e37c49583746d4464bc3b1dc0b63a1fe36a37ce7e5709cd76ed433befe35
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\c.wry
- Size 628B
- SHA256 156bb6e4df6e8594d362bb615d69a146f3b4fbd65c9e023240133a1603fc0e57
- MD5 8255415004bbbe8c8fca5256293389a7
- SHA1 3d47566b1bf969fe33f35e150f2a77708a7c845b
- SHA512 9beca20780a15fd951e23753e04f2eb15ec0107a65853d01db17a66329691da13d7c744b46a119635993f25dc0968f21905d6ae3875468fdf5fdf05ac8b16dc6
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\m.wry
- Size 42KB
- SHA256 402046ada270528c9ac38bbfa0152836fe30fb8e12192354e53b8397421430d9
- MD5 980b08bac152aff3f9b0136b616affa5
- SHA1 2a9c9601ea038f790cc29379c79407356a3d25a3
- SHA512 100cda1f795781042b012498afd783fd6ff03b0068dbd07b2c2e163cd95e6c6e00755ce16b02b017693c9febc149ed02df9df9b607e2b9cca4b07e5bd420f496
- SSDEEP 384:S9sLTK3SWTsPzy3EFejoJQBO21z4oCTeo75Y3kmA31dv61QyU:S9s3mjoJb21zZrS14I
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\u.wry
- Size 236KB
- SHA256 78e3f87f31688355c0f398317b2d87d803bd87ee3656c5a7c80f0561ec8606df
- MD5 cf1416074cd7791ab80a18f9e7e219d9
- SHA1 276d2ec82c518d887a8a3608e51c56fa28716ded
- SHA512 0bb0843a90edacaf1407e6a7273a9fbb896701635e4d9467392b7350ad25a1bec0c1ceef36737b4af5e5841936f4891436eded0533aa3d74c9a54efa42f024c5
- SSDEEP 3072:KeJJ0eIVAnbWOECR+uJ/0EJzBelG4t1nXFnQamKNQHFZde5tHEGaa:bqrVOEgZJcYelG4tQamKN2ex
- MD5 SHA1 SHA512 SSDEEP