Analysis
- max time kernel
148s - max time network
97s - 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, 19:08
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
- Sample240513-xtbnsaac2y
- 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\Word\STARTUP\~SD693C.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\~SD6925.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe - Executes dropped EXE 4 IoCs
pid Process 2172 !WannaDecryptor!.exe 4328 !WannaDecryptor!.exe 3120 !WannaDecryptor!.exe 5028 !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 2156 taskkill.exe 4308 taskkill.exe 4904 taskkill.exe 4348 taskkill.exe - Suspicious use of AdjustPrivilegeToken 49 IoCs
description pid Process Token: SeDebugPrivilege 4904 taskkill.exe Token: SeDebugPrivilege 4308 taskkill.exe Token: SeDebugPrivilege 4348 taskkill.exe Token: SeDebugPrivilege 2156 taskkill.exe Token: SeIncreaseQuotaPrivilege 1680 WMIC.exe Token: SeSecurityPrivilege 1680 WMIC.exe Token: SeTakeOwnershipPrivilege 1680 WMIC.exe Token: SeLoadDriverPrivilege 1680 WMIC.exe Token: SeSystemProfilePrivilege 1680 WMIC.exe Token: SeSystemtimePrivilege 1680 WMIC.exe Token: SeProfSingleProcessPrivilege 1680 WMIC.exe Token: SeIncBasePriorityPrivilege 1680 WMIC.exe Token: SeCreatePagefilePrivilege 1680 WMIC.exe Token: SeBackupPrivilege 1680 WMIC.exe Token: SeRestorePrivilege 1680 WMIC.exe Token: SeShutdownPrivilege 1680 WMIC.exe Token: SeDebugPrivilege 1680 WMIC.exe Token: SeSystemEnvironmentPrivilege 1680 WMIC.exe Token: SeRemoteShutdownPrivilege 1680 WMIC.exe Token: SeUndockPrivilege 1680 WMIC.exe Token: SeManageVolumePrivilege 1680 WMIC.exe Token: 33 1680 WMIC.exe Token: 34 1680 WMIC.exe Token: 35 1680 WMIC.exe Token: 36 1680 WMIC.exe Token: SeIncreaseQuotaPrivilege 1680 WMIC.exe Token: SeSecurityPrivilege 1680 WMIC.exe Token: SeTakeOwnershipPrivilege 1680 WMIC.exe Token: SeLoadDriverPrivilege 1680 WMIC.exe Token: SeSystemProfilePrivilege 1680 WMIC.exe Token: SeSystemtimePrivilege 1680 WMIC.exe Token: SeProfSingleProcessPrivilege 1680 WMIC.exe Token: SeIncBasePriorityPrivilege 1680 WMIC.exe Token: SeCreatePagefilePrivilege 1680 WMIC.exe Token: SeBackupPrivilege 1680 WMIC.exe Token: SeRestorePrivilege 1680 WMIC.exe Token: SeShutdownPrivilege 1680 WMIC.exe Token: SeDebugPrivilege 1680 WMIC.exe Token: SeSystemEnvironmentPrivilege 1680 WMIC.exe Token: SeRemoteShutdownPrivilege 1680 WMIC.exe Token: SeUndockPrivilege 1680 WMIC.exe Token: SeManageVolumePrivilege 1680 WMIC.exe Token: 33 1680 WMIC.exe Token: 34 1680 WMIC.exe Token: 35 1680 WMIC.exe Token: 36 1680 WMIC.exe Token: SeBackupPrivilege 1604 vssvc.exe Token: SeRestorePrivilege 1604 vssvc.exe Token: SeAuditPrivilege 1604 vssvc.exe - Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 2172 !WannaDecryptor!.exe 2172 !WannaDecryptor!.exe 4328 !WannaDecryptor!.exe 4328 !WannaDecryptor!.exe 3120 !WannaDecryptor!.exe 3120 !WannaDecryptor!.exe 5028 !WannaDecryptor!.exe 5028 !WannaDecryptor!.exe - Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 3776 wrote to memory of 220 3776 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 82 PID 3776 wrote to memory of 220 3776 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 82 PID 3776 wrote to memory of 220 3776 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 82 PID 220 wrote to memory of 3608 220 cmd.exe 84 PID 220 wrote to memory of 3608 220 cmd.exe 84 PID 220 wrote to memory of 3608 220 cmd.exe 84 PID 3776 wrote to memory of 2172 3776 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 88 PID 3776 wrote to memory of 2172 3776 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 88 PID 3776 wrote to memory of 2172 3776 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 88 PID 3776 wrote to memory of 2156 3776 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 89 PID 3776 wrote to memory of 2156 3776 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 89 PID 3776 wrote to memory of 2156 3776 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 89 PID 3776 wrote to memory of 4308 3776 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 90 PID 3776 wrote to memory of 4308 3776 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 90 PID 3776 wrote to memory of 4308 3776 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 90 PID 3776 wrote to memory of 4348 3776 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 92 PID 3776 wrote to memory of 4348 3776 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 92 PID 3776 wrote to memory of 4348 3776 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 92 PID 3776 wrote to memory of 4904 3776 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 94 PID 3776 wrote to memory of 4904 3776 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 94 PID 3776 wrote to memory of 4904 3776 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 94 PID 3776 wrote to memory of 4328 3776 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 104 PID 3776 wrote to memory of 4328 3776 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 104 PID 3776 wrote to memory of 4328 3776 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 104 PID 3776 wrote to memory of 2732 3776 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 105 PID 3776 wrote to memory of 2732 3776 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 105 PID 3776 wrote to memory of 2732 3776 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 105 PID 2732 wrote to memory of 3120 2732 cmd.exe 107 PID 2732 wrote to memory of 3120 2732 cmd.exe 107 PID 2732 wrote to memory of 3120 2732 cmd.exe 107 PID 3776 wrote to memory of 5028 3776 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 109 PID 3776 wrote to memory of 5028 3776 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 109 PID 3776 wrote to memory of 5028 3776 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 109 PID 3120 wrote to memory of 1572 3120 !WannaDecryptor!.exe 110 PID 3120 wrote to memory of 1572 3120 !WannaDecryptor!.exe 110 PID 3120 wrote to memory of 1572 3120 !WannaDecryptor!.exe 110 PID 1572 wrote to memory of 1680 1572 cmd.exe 112 PID 1572 wrote to memory of 1680 1572 cmd.exe 112 PID 1572 wrote to memory of 1680 1572 cmd.exe 112 - 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:3776 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 299091715627302.bat2⤵
- Suspicious use of WriteProcessMemory
PID:220 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:3608
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:2172
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2156
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4308
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4348
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4904
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:4328
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C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Suspicious use of WriteProcessMemory
PID:2732 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3120 -
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:1572 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:1680
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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:5028
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1604
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 7114416e7c7d2d386757a524936e7f162896b68222fa60d5adde569cfaff139b
- MD5 2774ed999f1285ecb2ce5ed489d74b6f
- SHA1 ddea1c264fec4bdea6cfa0b2f0ee22ea38fc8ed3
- SHA512 b14acb4d445d5f86e75a4c18894626c079f9937611a6bb66c01f309da6d1948fb39437ac067598fc5bcf42a13fd62e8249823df9ecd5f509b2ec0a2190cf8ba7
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\00000000.res
- Size 136B
- SHA256 09289c3424431d450677b088b691a008d149ae4a65cc0052b8a2ed8644872e4b
- MD5 7d8d6369b00f04d6b1a427bf457232d9
- SHA1 bda336b92b7d67ee5661bcae5a781f0f7d11f421
- SHA512 c6801311a9312566065661308eee903e71cd40ec84eb2d1f946e794edc006636127a7b49ff8affdf2383c6861038ad7310ab98fa833e8201e1679881348df693
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\00000000.res
- Size 136B
- SHA256 8a35b5d8b8f9ee4c96d42750047606d2eaa9939a9c1dc5959b22c76d6a0d291e
- MD5 9774cbcb6147c9d031eed20b48186af0
- SHA1 595aac4337fde42c59eb6aa8f749f7dfa4df79ee
- SHA512 9b020c405ef44ae96f6ca7e5b317936545e6387da12701f402ce63ee0e8c7f25d70f15ae499c77147548a1601cdc14c729546f7ca769e526f223476e5846f8c7
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\00000000.res
- Size 136B
- SHA256 94fcf11fa397df22bfd649e7fbd8ba788f25be04a48f1a51d777b098048329c6
- MD5 5365f8c9db2f91634311f12c23819708
- SHA1 46ede992a91ad555e3813fe32498f1ff80717042
- SHA512 88eb08e01215bcc24b68b4003dbc54d24830e1a79afa8b6215dfe66c72b1d0a7955e1fc3090fde9a08e311632c7c1086d003ba2ca68a0c82c9bdb5e70241f5b7
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\299091715627302.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 f6fbe5bc31d45b4bd63953fd582c36fd16cc7abc05ea4f285d164c9fa1dab7d8
- MD5 22fa324de6db45be0c2e704528853cbd
- SHA1 4e8f36659636d2e067c80d4849a2065e27818dd3
- SHA512 9295d96b5c71ba65fdb2f02e55fe8b79d729b1beaed0ddb60c952d4800e50d8eacf3efdaad571f2aeb18589d722afac5183726111a24351787a2abc3c7020fd4
- 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