Analysis
- max time kernel
147s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system - submitted
11/05/2024, 03:07
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
Resource
win7-20240508-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
- Sample240511-dmg3facf56
- SHA256 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844
- MD5 5c7fb0927db37372da25f270708103a2
- SHA1 120ed9279d85cbfa56e5b7779ffa7162074f7a29
- SHA512 a15f97fad744ccf5f620e5aabb81f48507327b898a9aa4287051464019e0f89224c484e9691812e166471af9beaddcfc3deb2ba878658761f4800663beef7206
- SSDEEP 3072:Y059femWRwTs/dbelj0X8/j84pcRXPlU3Upt3or4H84lK8PtpLzLsR/EfcZ:+5RwTs/dSXj84mRXPemxdBlPvLzLeZ
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Path
-
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\~SD5760.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD5777.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe - Executes dropped EXE 4 IoCs
pid Process 3344 !WannaDecryptor!.exe 3800 !WannaDecryptor!.exe 2652 !WannaDecryptor!.exe 2412 !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-1-5-21-1337824034-2731376981-3755436523-1000\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 5068 taskkill.exe 1212 taskkill.exe 1768 taskkill.exe 1600 taskkill.exe - Suspicious use of AdjustPrivilegeToken 49 IoCs
description pid Process Token: SeDebugPrivilege 1600 taskkill.exe Token: SeDebugPrivilege 1212 taskkill.exe Token: SeDebugPrivilege 5068 taskkill.exe Token: SeDebugPrivilege 1768 taskkill.exe Token: SeIncreaseQuotaPrivilege 780 WMIC.exe Token: SeSecurityPrivilege 780 WMIC.exe Token: SeTakeOwnershipPrivilege 780 WMIC.exe Token: SeLoadDriverPrivilege 780 WMIC.exe Token: SeSystemProfilePrivilege 780 WMIC.exe Token: SeSystemtimePrivilege 780 WMIC.exe Token: SeProfSingleProcessPrivilege 780 WMIC.exe Token: SeIncBasePriorityPrivilege 780 WMIC.exe Token: SeCreatePagefilePrivilege 780 WMIC.exe Token: SeBackupPrivilege 780 WMIC.exe Token: SeRestorePrivilege 780 WMIC.exe Token: SeShutdownPrivilege 780 WMIC.exe Token: SeDebugPrivilege 780 WMIC.exe Token: SeSystemEnvironmentPrivilege 780 WMIC.exe Token: SeRemoteShutdownPrivilege 780 WMIC.exe Token: SeUndockPrivilege 780 WMIC.exe Token: SeManageVolumePrivilege 780 WMIC.exe Token: 33 780 WMIC.exe Token: 34 780 WMIC.exe Token: 35 780 WMIC.exe Token: 36 780 WMIC.exe Token: SeIncreaseQuotaPrivilege 780 WMIC.exe Token: SeSecurityPrivilege 780 WMIC.exe Token: SeTakeOwnershipPrivilege 780 WMIC.exe Token: SeLoadDriverPrivilege 780 WMIC.exe Token: SeSystemProfilePrivilege 780 WMIC.exe Token: SeSystemtimePrivilege 780 WMIC.exe Token: SeProfSingleProcessPrivilege 780 WMIC.exe Token: SeIncBasePriorityPrivilege 780 WMIC.exe Token: SeCreatePagefilePrivilege 780 WMIC.exe Token: SeBackupPrivilege 780 WMIC.exe Token: SeRestorePrivilege 780 WMIC.exe Token: SeShutdownPrivilege 780 WMIC.exe Token: SeDebugPrivilege 780 WMIC.exe Token: SeSystemEnvironmentPrivilege 780 WMIC.exe Token: SeRemoteShutdownPrivilege 780 WMIC.exe Token: SeUndockPrivilege 780 WMIC.exe Token: SeManageVolumePrivilege 780 WMIC.exe Token: 33 780 WMIC.exe Token: 34 780 WMIC.exe Token: 35 780 WMIC.exe Token: 36 780 WMIC.exe Token: SeBackupPrivilege 4228 vssvc.exe Token: SeRestorePrivilege 4228 vssvc.exe Token: SeAuditPrivilege 4228 vssvc.exe - Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 3344 !WannaDecryptor!.exe 3344 !WannaDecryptor!.exe 3800 !WannaDecryptor!.exe 3800 !WannaDecryptor!.exe 2652 !WannaDecryptor!.exe 2652 !WannaDecryptor!.exe 2412 !WannaDecryptor!.exe 2412 !WannaDecryptor!.exe - Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 2408 wrote to memory of 452 2408 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 81 PID 2408 wrote to memory of 452 2408 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 81 PID 2408 wrote to memory of 452 2408 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 81 PID 452 wrote to memory of 2308 452 cmd.exe 83 PID 452 wrote to memory of 2308 452 cmd.exe 83 PID 452 wrote to memory of 2308 452 cmd.exe 83 PID 2408 wrote to memory of 3344 2408 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 87 PID 2408 wrote to memory of 3344 2408 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 87 PID 2408 wrote to memory of 3344 2408 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 87 PID 2408 wrote to memory of 5068 2408 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 88 PID 2408 wrote to memory of 5068 2408 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 88 PID 2408 wrote to memory of 5068 2408 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 88 PID 2408 wrote to memory of 1212 2408 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 89 PID 2408 wrote to memory of 1212 2408 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 89 PID 2408 wrote to memory of 1212 2408 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 89 PID 2408 wrote to memory of 1768 2408 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 90 PID 2408 wrote to memory of 1768 2408 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 90 PID 2408 wrote to memory of 1768 2408 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 90 PID 2408 wrote to memory of 1600 2408 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 91 PID 2408 wrote to memory of 1600 2408 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 91 PID 2408 wrote to memory of 1600 2408 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 91 PID 2408 wrote to memory of 3800 2408 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 101 PID 2408 wrote to memory of 3800 2408 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 101 PID 2408 wrote to memory of 3800 2408 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 101 PID 2408 wrote to memory of 1432 2408 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 102 PID 2408 wrote to memory of 1432 2408 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 102 PID 2408 wrote to memory of 1432 2408 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 102 PID 1432 wrote to memory of 2652 1432 cmd.exe 104 PID 1432 wrote to memory of 2652 1432 cmd.exe 104 PID 1432 wrote to memory of 2652 1432 cmd.exe 104 PID 2408 wrote to memory of 2412 2408 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 106 PID 2408 wrote to memory of 2412 2408 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 106 PID 2408 wrote to memory of 2412 2408 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 106 PID 2652 wrote to memory of 2680 2652 !WannaDecryptor!.exe 107 PID 2652 wrote to memory of 2680 2652 !WannaDecryptor!.exe 107 PID 2652 wrote to memory of 2680 2652 !WannaDecryptor!.exe 107 PID 2680 wrote to memory of 780 2680 cmd.exe 109 PID 2680 wrote to memory of 780 2680 cmd.exe 109 PID 2680 wrote to memory of 780 2680 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:2408 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 192961715396850.bat2⤵
- Suspicious use of WriteProcessMemory
PID:452 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:2308
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:3344
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:5068
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1212
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1768
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1600
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:3800
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C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Suspicious use of WriteProcessMemory
PID:1432 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2652 -
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:2680 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:780
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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:2412
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4228
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 f5030e0c1220681aa0b01d03b23275e2b11d4e7ec6cf482f84f4be8d2a855abc
- MD5 2fe592db4726fa7b0ad48ab520157027
- SHA1 a6ab31107a68c7a2382fa2f777937cf89f09c6d5
- SHA512 1e8baf4e4de771fe7f255336ad9f823f600c04351dc1ea57aaed5f2128910d7a3289a48a85a23a74f2f4993291b8b086c184add67823fa5f912c0c93f33306d9
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\00000000.res
- Size 136B
- SHA256 70cda3d75d42ef6a2be53d6e4c83aadefe8035f3c970c21efc17f47dadc4551a
- MD5 250845cab30ab4be8eebf86909081c62
- SHA1 a66469d65b08fdd7d91db2cb0e9e7f65be105d59
- SHA512 2bc414ee3c7d1a7dc33c8b84995ce6e8e08bc8aa4f07d863f32fb55ee7051572074b010c4911647970054273838ec6fda8179b2b8eef7f77c3c7b1c07acb1b1d
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\00000000.res
- Size 136B
- SHA256 f3df402d6d0060124d96e13f84bf9a4de194d3b350a66d5f9621cfb9221e8adc
- MD5 4c9fbd1f4e662e6d9e4447216cdd43e8
- SHA1 a56619934710f9970957231f7aecd853f93466e6
- SHA512 f7afa4eedb3a1033a55c0fe1770d589d0f629c4a4a3f77bf6b94f8be1e6695bead2e980b4f0f2fa16b42f715e25bff67a95149241e7989fa74a579432a55990d
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\00000000.res
- Size 136B
- SHA256 856c476aa165537c8c381f71dcd5ae36f033423f6790055837c6262708f0e2d0
- MD5 ff9482f50105404355d343cec248f66a
- SHA1 8a2f3528d1967c18b12809cc965d7ae2d6768cdc
- SHA512 6b0c1bbbe8873ee58b260cdbcbeeba94fdf83f92caef1900b8d2f06ad601ff90e895bdb867d029cd2953ed01cb89822a6b0efe9f76d7636925e6c3c6682cacaf
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\192961715396850.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 59f944ddbbd7ea390443a29f254b7fd25e32bb764e75d4b3060532e93e44730d
- MD5 9b7518fa0288adc1c7e3d7619074f547
- SHA1 9227f46203d5021d6258cfcd868ce018829548c4
- SHA512 2d510c31104357720127aae6b5b1a1f931c60c296dcf4948f08099bff8b8929e4e9362541ccdd14f416dff9897703c531bbe76e76de90165419b324486edc989
- 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