Analysis
- max time kernel
150s - max time network
115s - 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, 19:05
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-xrpgvsaa91
- 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\~SD50EB.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD5101.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe - Executes dropped EXE 4 IoCs
pid Process 2880 !WannaDecryptor!.exe 3768 !WannaDecryptor!.exe 1960 !WannaDecryptor!.exe 1076 !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 4224 taskkill.exe 3408 taskkill.exe 4604 taskkill.exe 4572 taskkill.exe - Suspicious use of AdjustPrivilegeToken 49 IoCs
description pid Process Token: SeDebugPrivilege 4224 taskkill.exe Token: SeDebugPrivilege 3408 taskkill.exe Token: SeDebugPrivilege 4604 taskkill.exe Token: SeDebugPrivilege 4572 taskkill.exe Token: SeIncreaseQuotaPrivilege 4688 WMIC.exe Token: SeSecurityPrivilege 4688 WMIC.exe Token: SeTakeOwnershipPrivilege 4688 WMIC.exe Token: SeLoadDriverPrivilege 4688 WMIC.exe Token: SeSystemProfilePrivilege 4688 WMIC.exe Token: SeSystemtimePrivilege 4688 WMIC.exe Token: SeProfSingleProcessPrivilege 4688 WMIC.exe Token: SeIncBasePriorityPrivilege 4688 WMIC.exe Token: SeCreatePagefilePrivilege 4688 WMIC.exe Token: SeBackupPrivilege 4688 WMIC.exe Token: SeRestorePrivilege 4688 WMIC.exe Token: SeShutdownPrivilege 4688 WMIC.exe Token: SeDebugPrivilege 4688 WMIC.exe Token: SeSystemEnvironmentPrivilege 4688 WMIC.exe Token: SeRemoteShutdownPrivilege 4688 WMIC.exe Token: SeUndockPrivilege 4688 WMIC.exe Token: SeManageVolumePrivilege 4688 WMIC.exe Token: 33 4688 WMIC.exe Token: 34 4688 WMIC.exe Token: 35 4688 WMIC.exe Token: 36 4688 WMIC.exe Token: SeIncreaseQuotaPrivilege 4688 WMIC.exe Token: SeSecurityPrivilege 4688 WMIC.exe Token: SeTakeOwnershipPrivilege 4688 WMIC.exe Token: SeLoadDriverPrivilege 4688 WMIC.exe Token: SeSystemProfilePrivilege 4688 WMIC.exe Token: SeSystemtimePrivilege 4688 WMIC.exe Token: SeProfSingleProcessPrivilege 4688 WMIC.exe Token: SeIncBasePriorityPrivilege 4688 WMIC.exe Token: SeCreatePagefilePrivilege 4688 WMIC.exe Token: SeBackupPrivilege 4688 WMIC.exe Token: SeRestorePrivilege 4688 WMIC.exe Token: SeShutdownPrivilege 4688 WMIC.exe Token: SeDebugPrivilege 4688 WMIC.exe Token: SeSystemEnvironmentPrivilege 4688 WMIC.exe Token: SeRemoteShutdownPrivilege 4688 WMIC.exe Token: SeUndockPrivilege 4688 WMIC.exe Token: SeManageVolumePrivilege 4688 WMIC.exe Token: 33 4688 WMIC.exe Token: 34 4688 WMIC.exe Token: 35 4688 WMIC.exe Token: 36 4688 WMIC.exe Token: SeBackupPrivilege 848 vssvc.exe Token: SeRestorePrivilege 848 vssvc.exe Token: SeAuditPrivilege 848 vssvc.exe - Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 2880 !WannaDecryptor!.exe 2880 !WannaDecryptor!.exe 3768 !WannaDecryptor!.exe 3768 !WannaDecryptor!.exe 1960 !WannaDecryptor!.exe 1960 !WannaDecryptor!.exe 1076 !WannaDecryptor!.exe 1076 !WannaDecryptor!.exe - Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 816 wrote to memory of 4552 816 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 82 PID 816 wrote to memory of 4552 816 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 82 PID 816 wrote to memory of 4552 816 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 82 PID 4552 wrote to memory of 1060 4552 cmd.exe 84 PID 4552 wrote to memory of 1060 4552 cmd.exe 84 PID 4552 wrote to memory of 1060 4552 cmd.exe 84 PID 816 wrote to memory of 2880 816 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 88 PID 816 wrote to memory of 2880 816 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 88 PID 816 wrote to memory of 2880 816 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 88 PID 816 wrote to memory of 4224 816 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 89 PID 816 wrote to memory of 4224 816 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 89 PID 816 wrote to memory of 4224 816 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 89 PID 816 wrote to memory of 3408 816 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 90 PID 816 wrote to memory of 3408 816 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 90 PID 816 wrote to memory of 3408 816 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 90 PID 816 wrote to memory of 4572 816 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 91 PID 816 wrote to memory of 4572 816 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 91 PID 816 wrote to memory of 4572 816 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 91 PID 816 wrote to memory of 4604 816 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 92 PID 816 wrote to memory of 4604 816 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 92 PID 816 wrote to memory of 4604 816 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 92 PID 816 wrote to memory of 3768 816 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 107 PID 816 wrote to memory of 3768 816 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 107 PID 816 wrote to memory of 3768 816 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 107 PID 816 wrote to memory of 2428 816 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 108 PID 816 wrote to memory of 2428 816 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 108 PID 816 wrote to memory of 2428 816 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 108 PID 2428 wrote to memory of 1960 2428 cmd.exe 110 PID 2428 wrote to memory of 1960 2428 cmd.exe 110 PID 2428 wrote to memory of 1960 2428 cmd.exe 110 PID 816 wrote to memory of 1076 816 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 112 PID 816 wrote to memory of 1076 816 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 112 PID 816 wrote to memory of 1076 816 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 112 PID 1960 wrote to memory of 4056 1960 !WannaDecryptor!.exe 113 PID 1960 wrote to memory of 4056 1960 !WannaDecryptor!.exe 113 PID 1960 wrote to memory of 4056 1960 !WannaDecryptor!.exe 113 PID 4056 wrote to memory of 4688 4056 cmd.exe 115 PID 4056 wrote to memory of 4688 4056 cmd.exe 115 PID 4056 wrote to memory of 4688 4056 cmd.exe 115 - 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:816 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 92971715627136.bat2⤵
- Suspicious use of WriteProcessMemory
PID:4552 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:1060
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:2880
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4224
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3408
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4572
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4604
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:3768
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C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Suspicious use of WriteProcessMemory
PID:2428 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1960 -
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:4056 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:4688
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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:1076
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:848
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 6cdbbdf08830f56a7fa3b7729614d953b13ba68d75dcf47384d42ed9c1e16e5d
- MD5 a609ff8d4903e941d2cb0f88619b78a4
- SHA1 3294d428b2ea1c1a002d95c3ae4978f310977b91
- SHA512 d4df2723118e158ddff09e7fe1621c51b2f4471a2f86db38c13cba0ea2c516d1189eef52a8a703eecf53b9e7f4bb6801d7ad55030c5c380a53592b3403ac6890
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\00000000.res
- Size 136B
- SHA256 b9b0356d7b0538de130f47adde545af9489020cf836dceec55e11c9b93669ed8
- MD5 360f37315bdac93f776d7284c9b949bc
- SHA1 d0952a46a40731420a1e5117e62222b133140472
- SHA512 cf3d09b90fedaa6d6b925e5c3051b718459d542bd23343f6306028e7eff73cbe21893647f47685d71ca2bd76bb521127137b6f41dabb6e6dbb1a14119e93a779
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\00000000.res
- Size 136B
- SHA256 d847e9773f740abad2474b2e68d987cbce2ee5964ca0f788be29d97024ab87f5
- MD5 d00567b8c24caedd330de6816ac37ca2
- SHA1 fd2b314bfb509f43260994af9df25f3135b0384f
- SHA512 ba05e5b66a086b65fca4a8a99a1aa2eaf3bd2c58bad64a432f88648072d775983e03dfa7db6c76f40ecf4e1e229eb05677720a7dbc07eba76f0ec73a358ad8b4
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\00000000.res
- Size 136B
- SHA256 b40d43f9b7e97b8a2e8938d9db66425d63ed59d168d983a790ace0c8f4b7efe3
- MD5 5c0722680c068906e14b97e2a9dce952
- SHA1 54a6d54358a271c21078ab16b46923fa279c3a32
- SHA512 abce4b5c30b1b3f99bca278c4119a8d8231131cc087b1c8a0dd98820ccdead488b961539f0fb68317b84f51b5347da8835fa6ec824791370350b22d572e33cd3
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\92971715627136.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 ff7ab7d9b63cf901b53f779a855023c5762f8c17b2e452ffe9d5e24a3b85abad
- MD5 40413887420630158a0efe3137982d9b
- SHA1 85f7ba441b1280fa85433f39cd1f89e2cf28ee6e
- SHA512 82fe69ea49b339652bb80b9d68876f7384601c56fc7a970fb36caac86bd0bff1702d35ca1bd683a35193b133778c1710e1ba9326693babff99c86453898f9835
- 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