Analysis
- max time kernel
146s - max time network
109s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system - submitted
11/05/2024, 03:06
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
Resource
win7-20240419-en
16 signatures
150 seconds
Behavioral task
behavioral2
Sample
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
Resource
win10v2004-20240426-en
13 signatures
150 seconds
General
- Target be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
- Size 224KB
- Sample240511-dlynsshg61
- 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
-
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\~SD432E.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD4345.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe - Executes dropped EXE 4 IoCs
pid Process 2512 !WannaDecryptor!.exe 4392 !WannaDecryptor!.exe 3128 !WannaDecryptor!.exe 4712 !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-1-5-21-3906287020-2915474608-1755617787-1000\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 3668 taskkill.exe 2104 taskkill.exe 4132 taskkill.exe 4796 taskkill.exe - Suspicious use of AdjustPrivilegeToken 49 IoCs
description pid Process Token: SeDebugPrivilege 2104 taskkill.exe Token: SeDebugPrivilege 3668 taskkill.exe Token: SeDebugPrivilege 4132 taskkill.exe Token: SeDebugPrivilege 4796 taskkill.exe Token: SeIncreaseQuotaPrivilege 3496 WMIC.exe Token: SeSecurityPrivilege 3496 WMIC.exe Token: SeTakeOwnershipPrivilege 3496 WMIC.exe Token: SeLoadDriverPrivilege 3496 WMIC.exe Token: SeSystemProfilePrivilege 3496 WMIC.exe Token: SeSystemtimePrivilege 3496 WMIC.exe Token: SeProfSingleProcessPrivilege 3496 WMIC.exe Token: SeIncBasePriorityPrivilege 3496 WMIC.exe Token: SeCreatePagefilePrivilege 3496 WMIC.exe Token: SeBackupPrivilege 3496 WMIC.exe Token: SeRestorePrivilege 3496 WMIC.exe Token: SeShutdownPrivilege 3496 WMIC.exe Token: SeDebugPrivilege 3496 WMIC.exe Token: SeSystemEnvironmentPrivilege 3496 WMIC.exe Token: SeRemoteShutdownPrivilege 3496 WMIC.exe Token: SeUndockPrivilege 3496 WMIC.exe Token: SeManageVolumePrivilege 3496 WMIC.exe Token: 33 3496 WMIC.exe Token: 34 3496 WMIC.exe Token: 35 3496 WMIC.exe Token: 36 3496 WMIC.exe Token: SeIncreaseQuotaPrivilege 3496 WMIC.exe Token: SeSecurityPrivilege 3496 WMIC.exe Token: SeTakeOwnershipPrivilege 3496 WMIC.exe Token: SeLoadDriverPrivilege 3496 WMIC.exe Token: SeSystemProfilePrivilege 3496 WMIC.exe Token: SeSystemtimePrivilege 3496 WMIC.exe Token: SeProfSingleProcessPrivilege 3496 WMIC.exe Token: SeIncBasePriorityPrivilege 3496 WMIC.exe Token: SeCreatePagefilePrivilege 3496 WMIC.exe Token: SeBackupPrivilege 3496 WMIC.exe Token: SeRestorePrivilege 3496 WMIC.exe Token: SeShutdownPrivilege 3496 WMIC.exe Token: SeDebugPrivilege 3496 WMIC.exe Token: SeSystemEnvironmentPrivilege 3496 WMIC.exe Token: SeRemoteShutdownPrivilege 3496 WMIC.exe Token: SeUndockPrivilege 3496 WMIC.exe Token: SeManageVolumePrivilege 3496 WMIC.exe Token: 33 3496 WMIC.exe Token: 34 3496 WMIC.exe Token: 35 3496 WMIC.exe Token: 36 3496 WMIC.exe Token: SeBackupPrivilege 1072 vssvc.exe Token: SeRestorePrivilege 1072 vssvc.exe Token: SeAuditPrivilege 1072 vssvc.exe - Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 2512 !WannaDecryptor!.exe 2512 !WannaDecryptor!.exe 4392 !WannaDecryptor!.exe 4392 !WannaDecryptor!.exe 3128 !WannaDecryptor!.exe 3128 !WannaDecryptor!.exe 4712 !WannaDecryptor!.exe 4712 !WannaDecryptor!.exe - Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 4268 wrote to memory of 4684 4268 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 83 PID 4268 wrote to memory of 4684 4268 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 83 PID 4268 wrote to memory of 4684 4268 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 83 PID 4684 wrote to memory of 3448 4684 cmd.exe 85 PID 4684 wrote to memory of 3448 4684 cmd.exe 85 PID 4684 wrote to memory of 3448 4684 cmd.exe 85 PID 4268 wrote to memory of 2512 4268 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 89 PID 4268 wrote to memory of 2512 4268 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 89 PID 4268 wrote to memory of 2512 4268 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 89 PID 4268 wrote to memory of 3668 4268 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 90 PID 4268 wrote to memory of 3668 4268 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 90 PID 4268 wrote to memory of 3668 4268 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 90 PID 4268 wrote to memory of 2104 4268 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 91 PID 4268 wrote to memory of 2104 4268 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 91 PID 4268 wrote to memory of 2104 4268 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 91 PID 4268 wrote to memory of 4132 4268 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 92 PID 4268 wrote to memory of 4132 4268 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 92 PID 4268 wrote to memory of 4132 4268 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 92 PID 4268 wrote to memory of 4796 4268 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 93 PID 4268 wrote to memory of 4796 4268 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 93 PID 4268 wrote to memory of 4796 4268 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 93 PID 4268 wrote to memory of 4392 4268 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 107 PID 4268 wrote to memory of 4392 4268 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 107 PID 4268 wrote to memory of 4392 4268 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 107 PID 4268 wrote to memory of 4324 4268 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 108 PID 4268 wrote to memory of 4324 4268 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 108 PID 4268 wrote to memory of 4324 4268 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 108 PID 4324 wrote to memory of 3128 4324 cmd.exe 110 PID 4324 wrote to memory of 3128 4324 cmd.exe 110 PID 4324 wrote to memory of 3128 4324 cmd.exe 110 PID 4268 wrote to memory of 4712 4268 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 114 PID 4268 wrote to memory of 4712 4268 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 114 PID 4268 wrote to memory of 4712 4268 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 114 PID 3128 wrote to memory of 3104 3128 !WannaDecryptor!.exe 115 PID 3128 wrote to memory of 3104 3128 !WannaDecryptor!.exe 115 PID 3128 wrote to memory of 3104 3128 !WannaDecryptor!.exe 115 PID 3104 wrote to memory of 3496 3104 cmd.exe 117 PID 3104 wrote to memory of 3496 3104 cmd.exe 117 PID 3104 wrote to memory of 3496 3104 cmd.exe 117 - 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:4268 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 22041715396794.bat2⤵
- Suspicious use of WriteProcessMemory
PID:4684 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:3448
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:2512
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3668
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2104
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4132
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4796
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:4392
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C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Suspicious use of WriteProcessMemory
PID:4324 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3128 -
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:3104 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:3496
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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:4712
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1072
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 341dceb0a36ca57dbb217e8265ab5a1813848a4b8a19965223202b3d3430622f
- MD5 d300553ae30491973a1a9e684710ece5
- SHA1 7c6bcc4f6cd540f97584be9f6a1b451159f18647
- SHA512 69fca95731c70e68b7430e8935cb999ce094bc44bca9f288305f971be3bef011789916ace3a45186863ef087a7f98d0bdde6ed16350e5c602ad00e5ac637d74e
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\00000000.res
- Size 136B
- SHA256 b6661245113a2457f9068527e307ed90ead583a77edb003067bd38606f3d2224
- MD5 77aa8a1f26b9c50dd41b2ecb11880101
- SHA1 80e250b25082fe3b718a0b369c90b645f680120e
- SHA512 0de17217df605d06c5fc4ea7555b088100ce469b4f8406ed25f42ba114e5a408168a963b6aa2197525b7e192129997fa1e6adc501ce4dade9e59f8c78deba4d1
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\00000000.res
- Size 136B
- SHA256 a8f588d2a9d36136f42dd622e9e9bfb1725a5f4c884550b6bf696f572a3fb92b
- MD5 f44092087b0ed554651196c4ab12555a
- SHA1 f8cef7ac0808b75370d3760bf5d80a3cc9c99d29
- SHA512 5d3a6fd119150bc7b8eb12e5b5945bfd4767a156b01b34b2b480cbe1d7a2ec36a9549b9d9eec611e383e704b08d8aa1130a3bc767c41c0a9bd43b69914094e60
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\00000000.res
- Size 136B
- SHA256 2d12e461665a341366ffc9742a0144ea1fa2383d5fa7a9f02fd9dd91e7c77d91
- MD5 419649743acf327d77cc41773d3d7996
- SHA1 bbae0e6ab33d444a0d431ce7d8e97265ab0cf387
- SHA512 5f226724b282a4d633424ce79bd7d24dcfc90ac2ea63691619b82ec17bbfaaa8948a5b1443745396160840e97d990cd3930cf7031c1c1557dc3a98dddcf584f5
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\22041715396794.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 65e799368c0175852c90a2aedf000b02e1bf6edf57acd33e47a3485f418c3519
- MD5 9a093a1e46ec5a6ad85594160e2158b0
- SHA1 609901dc1059392acd52c56279e1f264d2cb4845
- SHA512 a211a5069cd02e3937e46f0ff23f2f0dabbd1e27310d43ee27e6e608fef8f4ebf9986687be14968c6a1dd5a00e68e2262e7a6c72ad53b73018fc160b9e17fad6
- 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