Analysis
- max time kernel
150s - max time network
152s - 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
win7-20240220-en
windows7-x64
16 signatures
150 seconds
Behavioral task
behavioral2
Sample
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
Resource
win10v2004-20240508-en
windows10-2004-x64
13 signatures
150 seconds
General
- Target be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
- Size 224KB
- Sample240513-xtfbzaac3w
- 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\~SDA520.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SDA537.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe - Executes dropped EXE 4 IoCs
pid Process 4216 !WannaDecryptor!.exe 4272 !WannaDecryptor!.exe 3260 !WannaDecryptor!.exe 3724 !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 3680 taskkill.exe 5052 taskkill.exe 4008 taskkill.exe 4048 taskkill.exe - Suspicious use of AdjustPrivilegeToken 49 IoCs
description pid Process Token: SeDebugPrivilege 4008 taskkill.exe Token: SeDebugPrivilege 3680 taskkill.exe Token: SeDebugPrivilege 4048 taskkill.exe Token: SeDebugPrivilege 5052 taskkill.exe Token: SeIncreaseQuotaPrivilege 1020 WMIC.exe Token: SeSecurityPrivilege 1020 WMIC.exe Token: SeTakeOwnershipPrivilege 1020 WMIC.exe Token: SeLoadDriverPrivilege 1020 WMIC.exe Token: SeSystemProfilePrivilege 1020 WMIC.exe Token: SeSystemtimePrivilege 1020 WMIC.exe Token: SeProfSingleProcessPrivilege 1020 WMIC.exe Token: SeIncBasePriorityPrivilege 1020 WMIC.exe Token: SeCreatePagefilePrivilege 1020 WMIC.exe Token: SeBackupPrivilege 1020 WMIC.exe Token: SeRestorePrivilege 1020 WMIC.exe Token: SeShutdownPrivilege 1020 WMIC.exe Token: SeDebugPrivilege 1020 WMIC.exe Token: SeSystemEnvironmentPrivilege 1020 WMIC.exe Token: SeRemoteShutdownPrivilege 1020 WMIC.exe Token: SeUndockPrivilege 1020 WMIC.exe Token: SeManageVolumePrivilege 1020 WMIC.exe Token: 33 1020 WMIC.exe Token: 34 1020 WMIC.exe Token: 35 1020 WMIC.exe Token: 36 1020 WMIC.exe Token: SeIncreaseQuotaPrivilege 1020 WMIC.exe Token: SeSecurityPrivilege 1020 WMIC.exe Token: SeTakeOwnershipPrivilege 1020 WMIC.exe Token: SeLoadDriverPrivilege 1020 WMIC.exe Token: SeSystemProfilePrivilege 1020 WMIC.exe Token: SeSystemtimePrivilege 1020 WMIC.exe Token: SeProfSingleProcessPrivilege 1020 WMIC.exe Token: SeIncBasePriorityPrivilege 1020 WMIC.exe Token: SeCreatePagefilePrivilege 1020 WMIC.exe Token: SeBackupPrivilege 1020 WMIC.exe Token: SeRestorePrivilege 1020 WMIC.exe Token: SeShutdownPrivilege 1020 WMIC.exe Token: SeDebugPrivilege 1020 WMIC.exe Token: SeSystemEnvironmentPrivilege 1020 WMIC.exe Token: SeRemoteShutdownPrivilege 1020 WMIC.exe Token: SeUndockPrivilege 1020 WMIC.exe Token: SeManageVolumePrivilege 1020 WMIC.exe Token: 33 1020 WMIC.exe Token: 34 1020 WMIC.exe Token: 35 1020 WMIC.exe Token: 36 1020 WMIC.exe Token: SeBackupPrivilege 3940 vssvc.exe Token: SeRestorePrivilege 3940 vssvc.exe Token: SeAuditPrivilege 3940 vssvc.exe - Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 4216 !WannaDecryptor!.exe 4216 !WannaDecryptor!.exe 4272 !WannaDecryptor!.exe 4272 !WannaDecryptor!.exe 3260 !WannaDecryptor!.exe 3260 !WannaDecryptor!.exe 3724 !WannaDecryptor!.exe 3724 !WannaDecryptor!.exe - Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 2396 wrote to memory of 3688 2396 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 82 PID 2396 wrote to memory of 3688 2396 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 82 PID 2396 wrote to memory of 3688 2396 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 82 PID 3688 wrote to memory of 1856 3688 cmd.exe 84 PID 3688 wrote to memory of 1856 3688 cmd.exe 84 PID 3688 wrote to memory of 1856 3688 cmd.exe 84 PID 2396 wrote to memory of 4216 2396 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 88 PID 2396 wrote to memory of 4216 2396 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 88 PID 2396 wrote to memory of 4216 2396 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 88 PID 2396 wrote to memory of 3680 2396 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 90 PID 2396 wrote to memory of 3680 2396 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 90 PID 2396 wrote to memory of 3680 2396 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 90 PID 2396 wrote to memory of 4048 2396 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 91 PID 2396 wrote to memory of 4048 2396 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 91 PID 2396 wrote to memory of 4048 2396 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 91 PID 2396 wrote to memory of 4008 2396 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 92 PID 2396 wrote to memory of 4008 2396 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 92 PID 2396 wrote to memory of 4008 2396 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 92 PID 2396 wrote to memory of 5052 2396 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 93 PID 2396 wrote to memory of 5052 2396 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 93 PID 2396 wrote to memory of 5052 2396 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 93 PID 2396 wrote to memory of 4272 2396 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 104 PID 2396 wrote to memory of 4272 2396 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 104 PID 2396 wrote to memory of 4272 2396 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 104 PID 2396 wrote to memory of 1216 2396 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 105 PID 2396 wrote to memory of 1216 2396 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 105 PID 2396 wrote to memory of 1216 2396 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 105 PID 1216 wrote to memory of 3260 1216 cmd.exe 107 PID 1216 wrote to memory of 3260 1216 cmd.exe 107 PID 1216 wrote to memory of 3260 1216 cmd.exe 107 PID 2396 wrote to memory of 3724 2396 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 109 PID 2396 wrote to memory of 3724 2396 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 109 PID 2396 wrote to memory of 3724 2396 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 109 PID 3260 wrote to memory of 4092 3260 !WannaDecryptor!.exe 110 PID 3260 wrote to memory of 4092 3260 !WannaDecryptor!.exe 110 PID 3260 wrote to memory of 4092 3260 !WannaDecryptor!.exe 110 PID 4092 wrote to memory of 1020 4092 cmd.exe 112 PID 4092 wrote to memory of 1020 4092 cmd.exe 112 PID 4092 wrote to memory of 1020 4092 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:2396 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 140721715627314.bat2⤵
- Suspicious use of WriteProcessMemory
PID:3688 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:1856
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:4216
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3680
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4048
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4008
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:5052
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:4272
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C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Suspicious use of WriteProcessMemory
PID:1216 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3260 -
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:4092 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:1020
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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:3724
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3940
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 043ad342c2322d9ad7ab5769b69e5028a8a9235923cfa48c69aad69cac8be405
- MD5 09d953e06cbf8acf32d097069e971fdc
- SHA1 709efc2c5b61e98305563d758a5304e8fca91867
- SHA512 66ae381a45b4e93ec0211d50d3340fd725177a15e5dfe331979835cbe1950fbc366fea42aea02624d4d051d6c76ea10dd936997ad31ff14ff8804e1044957322
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\00000000.res
- Size 136B
- SHA256 306741d4e98073a10e141fd27e6c09221d4926a6677474e6dbf027b55758780f
- MD5 1c3678efcc8869bcf00a90e42ffcc198
- SHA1 ca58f74c3b53e8501f65aadcede3f61c5de5eff8
- SHA512 41a98fcdae9e18c77701feb2c77859ef6955fa8a1dddc58c1c7669eff2ddcb4ab7a28765a7b81f747727b1f8a6112051b8152b3214472b518eb188fa4bbb6e53
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\00000000.res
- Size 136B
- SHA256 37a745d857feca4d52dd45e53138be86e37e4a660375ad7b707afe964c4e466d
- MD5 af05634d88e08b1953c93b9837a6b96a
- SHA1 8723671da88d7103317d4860c8bc2fbb24bf2be6
- SHA512 5f099665873d412e72e76668cc4cc9777eae8e9f7aeaaf006446bee923e23d7127f54ac0a8777524a9e754428499745af2ec7450cbe16050f51a909df71c0b10
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\00000000.res
- Size 136B
- SHA256 1cd41de1d411d6180a2982609f9af0766c9a6115ce543fba6d72ad51a5e992e2
- MD5 19f8f9caa4fd55338eff06a0dfd8f90f
- SHA1 9e43ea6d06b22def5187cba04fb903e4f12965f7
- SHA512 5e4f23a92cc605ab7da4cd85ff3f9797577fcd280eb9d0cdc51b050a9d6632b777e097445954216fb5456ade1115e604b3187fc7495762be4649075f5059fe09
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\140721715627314.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 f67a500fb91d36e074e2c3041600b37a9f4a9e8cff09377452bad2276178fd94
- MD5 901096fae412335d616258039c6a6716
- SHA1 68c2941e73b36d24c2497be3182285deaa8a5a47
- SHA512 a87d89757bbfe8dffb8c70a2f53475985016852ec4fcabc5f409bd73c754377f8488adc916cd7dfa58947d142e75ed528882fda44f3acab172609518277039e8
- 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