Analysis
- max time kernel
149s - max time network
156s - 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, 03:11
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
win10v2004-20240426-en
13 signatures
150 seconds
General
- Target be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
- Size 224KB
- Sample240511-dp2jvsab4y
- 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\~SD4691.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\~SD468A.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe - Executes dropped EXE 4 IoCs
pid Process 2368 !WannaDecryptor!.exe 3800 !WannaDecryptor!.exe 1036 !WannaDecryptor!.exe 1184 !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-1-5-21-540404634-651139247-2967210625-1000\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 2988 taskkill.exe 1500 taskkill.exe 1884 taskkill.exe 2124 taskkill.exe - Suspicious use of AdjustPrivilegeToken 49 IoCs
description pid Process Token: SeDebugPrivilege 1884 taskkill.exe Token: SeDebugPrivilege 2988 taskkill.exe Token: SeDebugPrivilege 2124 taskkill.exe Token: SeDebugPrivilege 1500 taskkill.exe Token: SeIncreaseQuotaPrivilege 4576 WMIC.exe Token: SeSecurityPrivilege 4576 WMIC.exe Token: SeTakeOwnershipPrivilege 4576 WMIC.exe Token: SeLoadDriverPrivilege 4576 WMIC.exe Token: SeSystemProfilePrivilege 4576 WMIC.exe Token: SeSystemtimePrivilege 4576 WMIC.exe Token: SeProfSingleProcessPrivilege 4576 WMIC.exe Token: SeIncBasePriorityPrivilege 4576 WMIC.exe Token: SeCreatePagefilePrivilege 4576 WMIC.exe Token: SeBackupPrivilege 4576 WMIC.exe Token: SeRestorePrivilege 4576 WMIC.exe Token: SeShutdownPrivilege 4576 WMIC.exe Token: SeDebugPrivilege 4576 WMIC.exe Token: SeSystemEnvironmentPrivilege 4576 WMIC.exe Token: SeRemoteShutdownPrivilege 4576 WMIC.exe Token: SeUndockPrivilege 4576 WMIC.exe Token: SeManageVolumePrivilege 4576 WMIC.exe Token: 33 4576 WMIC.exe Token: 34 4576 WMIC.exe Token: 35 4576 WMIC.exe Token: 36 4576 WMIC.exe Token: SeIncreaseQuotaPrivilege 4576 WMIC.exe Token: SeSecurityPrivilege 4576 WMIC.exe Token: SeTakeOwnershipPrivilege 4576 WMIC.exe Token: SeLoadDriverPrivilege 4576 WMIC.exe Token: SeSystemProfilePrivilege 4576 WMIC.exe Token: SeSystemtimePrivilege 4576 WMIC.exe Token: SeProfSingleProcessPrivilege 4576 WMIC.exe Token: SeIncBasePriorityPrivilege 4576 WMIC.exe Token: SeCreatePagefilePrivilege 4576 WMIC.exe Token: SeBackupPrivilege 4576 WMIC.exe Token: SeRestorePrivilege 4576 WMIC.exe Token: SeShutdownPrivilege 4576 WMIC.exe Token: SeDebugPrivilege 4576 WMIC.exe Token: SeSystemEnvironmentPrivilege 4576 WMIC.exe Token: SeRemoteShutdownPrivilege 4576 WMIC.exe Token: SeUndockPrivilege 4576 WMIC.exe Token: SeManageVolumePrivilege 4576 WMIC.exe Token: 33 4576 WMIC.exe Token: 34 4576 WMIC.exe Token: 35 4576 WMIC.exe Token: 36 4576 WMIC.exe Token: SeBackupPrivilege 1944 vssvc.exe Token: SeRestorePrivilege 1944 vssvc.exe Token: SeAuditPrivilege 1944 vssvc.exe - Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 2368 !WannaDecryptor!.exe 2368 !WannaDecryptor!.exe 3800 !WannaDecryptor!.exe 3800 !WannaDecryptor!.exe 1036 !WannaDecryptor!.exe 1036 !WannaDecryptor!.exe 1184 !WannaDecryptor!.exe 1184 !WannaDecryptor!.exe - Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 3920 wrote to memory of 228 3920 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 84 PID 3920 wrote to memory of 228 3920 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 84 PID 3920 wrote to memory of 228 3920 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 84 PID 228 wrote to memory of 3396 228 cmd.exe 86 PID 228 wrote to memory of 3396 228 cmd.exe 86 PID 228 wrote to memory of 3396 228 cmd.exe 86 PID 3920 wrote to memory of 2368 3920 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 89 PID 3920 wrote to memory of 2368 3920 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 89 PID 3920 wrote to memory of 2368 3920 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 89 PID 3920 wrote to memory of 2988 3920 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 91 PID 3920 wrote to memory of 2988 3920 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 91 PID 3920 wrote to memory of 2988 3920 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 91 PID 3920 wrote to memory of 2124 3920 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 93 PID 3920 wrote to memory of 2124 3920 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 93 PID 3920 wrote to memory of 2124 3920 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 93 PID 3920 wrote to memory of 1884 3920 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 94 PID 3920 wrote to memory of 1884 3920 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 94 PID 3920 wrote to memory of 1884 3920 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 94 PID 3920 wrote to memory of 1500 3920 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 95 PID 3920 wrote to memory of 1500 3920 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 95 PID 3920 wrote to memory of 1500 3920 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 95 PID 3920 wrote to memory of 3800 3920 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 109 PID 3920 wrote to memory of 3800 3920 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 109 PID 3920 wrote to memory of 3800 3920 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 109 PID 3920 wrote to memory of 4476 3920 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 110 PID 3920 wrote to memory of 4476 3920 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 110 PID 3920 wrote to memory of 4476 3920 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 110 PID 4476 wrote to memory of 1036 4476 cmd.exe 112 PID 4476 wrote to memory of 1036 4476 cmd.exe 112 PID 4476 wrote to memory of 1036 4476 cmd.exe 112 PID 3920 wrote to memory of 1184 3920 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 114 PID 3920 wrote to memory of 1184 3920 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 114 PID 3920 wrote to memory of 1184 3920 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 114 PID 1036 wrote to memory of 5028 1036 !WannaDecryptor!.exe 115 PID 1036 wrote to memory of 5028 1036 !WannaDecryptor!.exe 115 PID 1036 wrote to memory of 5028 1036 !WannaDecryptor!.exe 115 PID 5028 wrote to memory of 4576 5028 cmd.exe 117 PID 5028 wrote to memory of 4576 5028 cmd.exe 117 PID 5028 wrote to memory of 4576 5028 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:3920 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 37841715397124.bat2⤵
- Suspicious use of WriteProcessMemory
PID:228 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:3396
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:2368
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2988
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2124
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1884
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1500
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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:4476 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1036 -
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:5028 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:4576
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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:1184
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1944
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 2876f5d1426bd4fe808a4b29add40304f5104b8520a098d51e4da337bb3889ea
- MD5 15a0445d16bedfa21d34b2731e8deebf
- SHA1 5fcdcfec3c63cf5a8422a312f78d6d2f97501703
- SHA512 1d7867e1cf389664864ef3ce49b12e6337e0f529243f8e66f6be6360bf21273d40f755b7931a31278e7de426e9443436a934193d2978874ba9171f00383d9540
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\00000000.res
- Size 136B
- SHA256 326837b921a94faa9405febf3a1487b07848b58240d76e6d19f6162aae093192
- MD5 60029638aaebf36c83161eaa8e44ca83
- SHA1 a2b9e534be044944e4e27751ad5767d4496c5a27
- SHA512 c97e5074dd74cd0d60bb0b40ae1a962b53f94e1ef8a815eebb12601097e6ad0ecdc41d970a9e5b1141e94741e1587e9e1e8e4803b57389e7ef00f58ef8987900
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\00000000.res
- Size 136B
- SHA256 129bd7ae85ed09ec99097de59512127487f49b4c91bc939117b7ad0a44b492ca
- MD5 b2ed1fe1d947bca1f6a8b488a3c1f06d
- SHA1 4d6dc0eb0c170f53d3e6b86aa6f2c44d3b09a6d6
- SHA512 4f0928d75c8f6ab2b3f571f92b39065b4172e8870488eb291ebe05fcc6062de30019e3c59c43e5a40752e9dfafe3dc3bcff0aaa1cbe42b7be6c8770f0e747334
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\00000000.res
- Size 136B
- SHA256 b86679c03069c5c746c2e5380bc81644b1cdec8d350b7308449df70e31eb080b
- MD5 ad2d9c623be923765922949e36aa09cc
- SHA1 8dbc3506f42ad824be3317f1d9c6c93066811e23
- SHA512 39a6f8d8a7df47e0816f52f4460e05453d61436bc143bce87a62654161e779aed86818e26690ce7b15b001fec5a19ad6a7bf06211d8f6bb9c5c9bcfeaa4b2435
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\37841715397124.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 219903a7f1a14ec7c9a4ecb1e3c7f62cef6004f408fd22c538343f92a303448c
- MD5 a9eca27d18c8914c3b1dc552338c792a
- SHA1 886e699a00edccde013e1c723196bae665adada8
- SHA512 42710199c2ff374fcef7fc019aad1725748425bea1c59db685f280acf113ae61dab73d0de655625a7bbafbd2508d33b20ecfae8533836254418471ef66c92540
- 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