Analysis
- max time kernel
148s - max time network
113s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
arch:x64arch:x86image:win10v2004-20240426-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
win10v2004-20240426-en
13 signatures
150 seconds
General
- Target be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
- Size 224KB
- Sample240513-xpymraaf94
- 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\~SD397C.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD3992.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe - Executes dropped EXE 4 IoCs
pid Process 4476 !WannaDecryptor!.exe 336 !WannaDecryptor!.exe 212 !WannaDecryptor!.exe 1716 !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-1-5-21-1162180587-977231257-2194346871-1000\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 1540 taskkill.exe 1780 taskkill.exe 4864 taskkill.exe 1972 taskkill.exe - Suspicious use of AdjustPrivilegeToken 49 IoCs
description pid Process Token: SeDebugPrivilege 4864 taskkill.exe Token: SeDebugPrivilege 1540 taskkill.exe Token: SeDebugPrivilege 1972 taskkill.exe Token: SeDebugPrivilege 1780 taskkill.exe Token: SeIncreaseQuotaPrivilege 2056 WMIC.exe Token: SeSecurityPrivilege 2056 WMIC.exe Token: SeTakeOwnershipPrivilege 2056 WMIC.exe Token: SeLoadDriverPrivilege 2056 WMIC.exe Token: SeSystemProfilePrivilege 2056 WMIC.exe Token: SeSystemtimePrivilege 2056 WMIC.exe Token: SeProfSingleProcessPrivilege 2056 WMIC.exe Token: SeIncBasePriorityPrivilege 2056 WMIC.exe Token: SeCreatePagefilePrivilege 2056 WMIC.exe Token: SeBackupPrivilege 2056 WMIC.exe Token: SeRestorePrivilege 2056 WMIC.exe Token: SeShutdownPrivilege 2056 WMIC.exe Token: SeDebugPrivilege 2056 WMIC.exe Token: SeSystemEnvironmentPrivilege 2056 WMIC.exe Token: SeRemoteShutdownPrivilege 2056 WMIC.exe Token: SeUndockPrivilege 2056 WMIC.exe Token: SeManageVolumePrivilege 2056 WMIC.exe Token: 33 2056 WMIC.exe Token: 34 2056 WMIC.exe Token: 35 2056 WMIC.exe Token: 36 2056 WMIC.exe Token: SeIncreaseQuotaPrivilege 2056 WMIC.exe Token: SeSecurityPrivilege 2056 WMIC.exe Token: SeTakeOwnershipPrivilege 2056 WMIC.exe Token: SeLoadDriverPrivilege 2056 WMIC.exe Token: SeSystemProfilePrivilege 2056 WMIC.exe Token: SeSystemtimePrivilege 2056 WMIC.exe Token: SeProfSingleProcessPrivilege 2056 WMIC.exe Token: SeIncBasePriorityPrivilege 2056 WMIC.exe Token: SeCreatePagefilePrivilege 2056 WMIC.exe Token: SeBackupPrivilege 2056 WMIC.exe Token: SeRestorePrivilege 2056 WMIC.exe Token: SeShutdownPrivilege 2056 WMIC.exe Token: SeDebugPrivilege 2056 WMIC.exe Token: SeSystemEnvironmentPrivilege 2056 WMIC.exe Token: SeRemoteShutdownPrivilege 2056 WMIC.exe Token: SeUndockPrivilege 2056 WMIC.exe Token: SeManageVolumePrivilege 2056 WMIC.exe Token: 33 2056 WMIC.exe Token: 34 2056 WMIC.exe Token: 35 2056 WMIC.exe Token: 36 2056 WMIC.exe Token: SeBackupPrivilege 3648 vssvc.exe Token: SeRestorePrivilege 3648 vssvc.exe Token: SeAuditPrivilege 3648 vssvc.exe - Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 4476 !WannaDecryptor!.exe 4476 !WannaDecryptor!.exe 336 !WannaDecryptor!.exe 336 !WannaDecryptor!.exe 212 !WannaDecryptor!.exe 212 !WannaDecryptor!.exe 1716 !WannaDecryptor!.exe 1716 !WannaDecryptor!.exe - Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 4392 wrote to memory of 3596 4392 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 84 PID 4392 wrote to memory of 3596 4392 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 84 PID 4392 wrote to memory of 3596 4392 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 84 PID 3596 wrote to memory of 4036 3596 cmd.exe 86 PID 3596 wrote to memory of 4036 3596 cmd.exe 86 PID 3596 wrote to memory of 4036 3596 cmd.exe 86 PID 4392 wrote to memory of 4476 4392 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 90 PID 4392 wrote to memory of 4476 4392 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 90 PID 4392 wrote to memory of 4476 4392 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 90 PID 4392 wrote to memory of 4864 4392 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 91 PID 4392 wrote to memory of 4864 4392 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 91 PID 4392 wrote to memory of 4864 4392 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 91 PID 4392 wrote to memory of 1972 4392 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 92 PID 4392 wrote to memory of 1972 4392 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 92 PID 4392 wrote to memory of 1972 4392 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 92 PID 4392 wrote to memory of 1540 4392 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 93 PID 4392 wrote to memory of 1540 4392 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 93 PID 4392 wrote to memory of 1540 4392 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 93 PID 4392 wrote to memory of 1780 4392 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 94 PID 4392 wrote to memory of 1780 4392 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 94 PID 4392 wrote to memory of 1780 4392 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 94 PID 4392 wrote to memory of 336 4392 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 107 PID 4392 wrote to memory of 336 4392 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 107 PID 4392 wrote to memory of 336 4392 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 107 PID 4392 wrote to memory of 3548 4392 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 108 PID 4392 wrote to memory of 3548 4392 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 108 PID 4392 wrote to memory of 3548 4392 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 108 PID 3548 wrote to memory of 212 3548 cmd.exe 110 PID 3548 wrote to memory of 212 3548 cmd.exe 110 PID 3548 wrote to memory of 212 3548 cmd.exe 110 PID 4392 wrote to memory of 1716 4392 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 114 PID 4392 wrote to memory of 1716 4392 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 114 PID 4392 wrote to memory of 1716 4392 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 114 PID 212 wrote to memory of 788 212 !WannaDecryptor!.exe 115 PID 212 wrote to memory of 788 212 !WannaDecryptor!.exe 115 PID 212 wrote to memory of 788 212 !WannaDecryptor!.exe 115 PID 788 wrote to memory of 2056 788 cmd.exe 117 PID 788 wrote to memory of 2056 788 cmd.exe 117 PID 788 wrote to memory of 2056 788 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:4392 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 268081715626953.bat2⤵
- Suspicious use of WriteProcessMemory
PID:3596 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:4036
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:4476
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4864
-
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1972
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1540
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1780
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:336
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C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Suspicious use of WriteProcessMemory
PID:3548 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:212 -
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:788 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:2056
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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:1716
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3648
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 09ae5894bd7444c9cf54c3d80b5f66ccc97c9b1198694120ae6555d4953e7d2e
- MD5 06126bdfea406186df6dc05718d9ed81
- SHA1 088ae7eeeb07a9c99c68818495a918f6a2e56643
- SHA512 2dcda903d94a6d209a6d99651c134f99807fe4f6edc0ad21317e4619f2aa0fe7b819941a36fc5a978166e24c267803977a0b29e2d43bfcba0dd92aebf1f8961d
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\00000000.res
- Size 136B
- SHA256 740e28f0a9acf6c83da0106aec6b9f083d0216b86999c07f7850d065fc60badd
- MD5 d6ec2cce4bfd87acd520da3a1fb196f3
- SHA1 77ae3fb68d7202492bf73fd1b29c7df603bc17ca
- SHA512 4a73fe9984a3c67c1d340e0df9fe2e036449d23c8fc0eefe6fc083391665d3e1de413d981a28bd69a1205466b86a7d7ee5a82189f7b32f6dbadb2ba25f24bf3a
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\00000000.res
- Size 136B
- SHA256 61dbbebe360f5a90ca7ffeee448ebf081d42848cac2f3441b58fe198f5b43795
- MD5 53577a0ad2973b5f0efe25a22223e93e
- SHA1 76e94337131c39d17fc2d4d0359c79d4eee7bcfe
- SHA512 0687e9318c9ebc27e739158ffa1a39c8c7098e6aecd2ea9b3c788a8f9405b6b7afcd4586cda18ffc1ea69fb68cdd0671ddee26425cc6a1615d59d07558537e35
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\00000000.res
- Size 136B
- SHA256 2556ad1ead5b82bc42057d86174fcc27116b46c49ab40334b6765e811f6ab3b8
- MD5 4a2be350f056a3b22dfdc61bd06b3c50
- SHA1 26cd9bfcda26ba25d503db439878bf19eb492103
- SHA512 0bdda68d32de0290bf81a2fe62cdd64115dd50d1bd515d3472d3d154aec988773a1835b5cb043dc93d379af57ed2fba61ce11bbbb02a5946cd8f3fabcc91b2d0
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\268081715626953.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 50defd579ccc821db54277f1254b19b144af55c41e2187ddc1c6f96c451ce911
- MD5 2b5d5ff4f43d2ffc32edd0469a82cad2
- SHA1 30c9ea16448c42c3af85e5f30215c7c3cf596ffd
- SHA512 cd55490cf6108c8b11a42fa2fc51a5b63a29f204dcd51e62a30ce6fc5310f4b34dcf143bc6c822bcbf9d2d27cf9b3836c5507be932be7a5eb8652840b839b29b
- 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