Analysis
- max time kernel
148s - max time network
152s - 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, 03:06
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
- Sample240511-dl92tscf39
- 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\~SD6EFF.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD6F16.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe - Executes dropped EXE 4 IoCs
pid Process 400 !WannaDecryptor!.exe 1192 !WannaDecryptor!.exe 2436 !WannaDecryptor!.exe 3052 !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-1-5-21-3571316656-3665257725-2415531812-1000\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 5008 taskkill.exe 1748 taskkill.exe 1092 taskkill.exe 4724 taskkill.exe - Suspicious use of AdjustPrivilegeToken 49 IoCs
description pid Process Token: SeDebugPrivilege 4724 taskkill.exe Token: SeDebugPrivilege 5008 taskkill.exe Token: SeDebugPrivilege 1092 taskkill.exe Token: SeDebugPrivilege 1748 taskkill.exe Token: SeIncreaseQuotaPrivilege 1496 WMIC.exe Token: SeSecurityPrivilege 1496 WMIC.exe Token: SeTakeOwnershipPrivilege 1496 WMIC.exe Token: SeLoadDriverPrivilege 1496 WMIC.exe Token: SeSystemProfilePrivilege 1496 WMIC.exe Token: SeSystemtimePrivilege 1496 WMIC.exe Token: SeProfSingleProcessPrivilege 1496 WMIC.exe Token: SeIncBasePriorityPrivilege 1496 WMIC.exe Token: SeCreatePagefilePrivilege 1496 WMIC.exe Token: SeBackupPrivilege 1496 WMIC.exe Token: SeRestorePrivilege 1496 WMIC.exe Token: SeShutdownPrivilege 1496 WMIC.exe Token: SeDebugPrivilege 1496 WMIC.exe Token: SeSystemEnvironmentPrivilege 1496 WMIC.exe Token: SeRemoteShutdownPrivilege 1496 WMIC.exe Token: SeUndockPrivilege 1496 WMIC.exe Token: SeManageVolumePrivilege 1496 WMIC.exe Token: 33 1496 WMIC.exe Token: 34 1496 WMIC.exe Token: 35 1496 WMIC.exe Token: 36 1496 WMIC.exe Token: SeIncreaseQuotaPrivilege 1496 WMIC.exe Token: SeSecurityPrivilege 1496 WMIC.exe Token: SeTakeOwnershipPrivilege 1496 WMIC.exe Token: SeLoadDriverPrivilege 1496 WMIC.exe Token: SeSystemProfilePrivilege 1496 WMIC.exe Token: SeSystemtimePrivilege 1496 WMIC.exe Token: SeProfSingleProcessPrivilege 1496 WMIC.exe Token: SeIncBasePriorityPrivilege 1496 WMIC.exe Token: SeCreatePagefilePrivilege 1496 WMIC.exe Token: SeBackupPrivilege 1496 WMIC.exe Token: SeRestorePrivilege 1496 WMIC.exe Token: SeShutdownPrivilege 1496 WMIC.exe Token: SeDebugPrivilege 1496 WMIC.exe Token: SeSystemEnvironmentPrivilege 1496 WMIC.exe Token: SeRemoteShutdownPrivilege 1496 WMIC.exe Token: SeUndockPrivilege 1496 WMIC.exe Token: SeManageVolumePrivilege 1496 WMIC.exe Token: 33 1496 WMIC.exe Token: 34 1496 WMIC.exe Token: 35 1496 WMIC.exe Token: 36 1496 WMIC.exe Token: SeBackupPrivilege 5012 vssvc.exe Token: SeRestorePrivilege 5012 vssvc.exe Token: SeAuditPrivilege 5012 vssvc.exe - Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 400 !WannaDecryptor!.exe 400 !WannaDecryptor!.exe 1192 !WannaDecryptor!.exe 1192 !WannaDecryptor!.exe 2436 !WannaDecryptor!.exe 2436 !WannaDecryptor!.exe 3052 !WannaDecryptor!.exe 3052 !WannaDecryptor!.exe - Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 3532 wrote to memory of 3552 3532 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 83 PID 3532 wrote to memory of 3552 3532 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 83 PID 3532 wrote to memory of 3552 3532 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 83 PID 3552 wrote to memory of 3640 3552 cmd.exe 85 PID 3552 wrote to memory of 3640 3552 cmd.exe 85 PID 3552 wrote to memory of 3640 3552 cmd.exe 85 PID 3532 wrote to memory of 400 3532 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 89 PID 3532 wrote to memory of 400 3532 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 89 PID 3532 wrote to memory of 400 3532 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 89 PID 3532 wrote to memory of 5008 3532 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 90 PID 3532 wrote to memory of 5008 3532 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 90 PID 3532 wrote to memory of 5008 3532 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 90 PID 3532 wrote to memory of 4724 3532 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 91 PID 3532 wrote to memory of 4724 3532 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 91 PID 3532 wrote to memory of 4724 3532 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 91 PID 3532 wrote to memory of 1092 3532 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 92 PID 3532 wrote to memory of 1092 3532 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 92 PID 3532 wrote to memory of 1092 3532 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 92 PID 3532 wrote to memory of 1748 3532 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 93 PID 3532 wrote to memory of 1748 3532 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 93 PID 3532 wrote to memory of 1748 3532 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 93 PID 3532 wrote to memory of 1192 3532 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 108 PID 3532 wrote to memory of 1192 3532 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 108 PID 3532 wrote to memory of 1192 3532 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 108 PID 3532 wrote to memory of 1256 3532 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 109 PID 3532 wrote to memory of 1256 3532 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 109 PID 3532 wrote to memory of 1256 3532 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 109 PID 1256 wrote to memory of 2436 1256 cmd.exe 111 PID 1256 wrote to memory of 2436 1256 cmd.exe 111 PID 1256 wrote to memory of 2436 1256 cmd.exe 111 PID 3532 wrote to memory of 3052 3532 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 113 PID 3532 wrote to memory of 3052 3532 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 113 PID 3532 wrote to memory of 3052 3532 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 113 PID 2436 wrote to memory of 980 2436 !WannaDecryptor!.exe 114 PID 2436 wrote to memory of 980 2436 !WannaDecryptor!.exe 114 PID 2436 wrote to memory of 980 2436 !WannaDecryptor!.exe 114 PID 980 wrote to memory of 1496 980 cmd.exe 116 PID 980 wrote to memory of 1496 980 cmd.exe 116 PID 980 wrote to memory of 1496 980 cmd.exe 116 - 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:3532 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 43871715396838.bat2⤵
- Suspicious use of WriteProcessMemory
PID:3552 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:3640
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:400
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:5008
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4724
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1092
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1748
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:1192
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C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Suspicious use of WriteProcessMemory
PID:1256 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2436 -
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:980 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:1496
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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:3052
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:5012
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 83045d4672818c43be26f13e61d1ab822be9b03281c7ad5fbff53e4115a62ae2
- MD5 a13b7ec6a823169771be6dbd63bd9e9b
- SHA1 0782dd3494acdab274884756885840769a879dbb
- SHA512 bae2ee41c90e9489ca520776e1ea0910cbd440e2c3a09cefa9d0c6794e60fc7267fa65d83788f0e6f6129fdb1d29cc5e488ed27e894eb82d6fcbcfc1ddfc5d95
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\00000000.res
- Size 136B
- SHA256 4cc32fa5a07428faa29ee7a7877259d8f141d3b4a22423471c53d26291f8314a
- MD5 8d9db3abee215038fe34df42bf0e7cd6
- SHA1 05a3cac53d27940f959894db3a73e9d0740eadbe
- SHA512 9bc398dd9aaf8a2a70a108f234011485fb5c410d091e6c81e4a5c646502d8556b03d2de256eaf7634a948cfe206be1e9134e3b27e5527b5f904ceee7415d8432
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\00000000.res
- Size 136B
- SHA256 2566c0f9214baf92dc3bf6c3972bd2f8bf9c1b66d4f8effbe0f9654e00fab051
- MD5 f341415f02e1fe8cd3ef2cba08937d27
- SHA1 a57be62afaaa3e9223319790379d0ef46284a63a
- SHA512 90f72c0ca7f7d8b28986354fffcea81ae6737ea4f4785476d5a0a3e5065459cc5366ec91f1b5df7975e2fa29c8b58b1688af5392bd6bcf190da619c44ca026d1
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\00000000.res
- Size 136B
- SHA256 159f75f9a07eacebf16f570de2b80bd700afb6e8379753375d3de872d3629043
- MD5 1987e342735b0a15949ed92655042933
- SHA1 56586e3d0896e567162f03ff6d39adff84e45113
- SHA512 4bd7e37ca681b730327ec686e670ee446be66d261bf1fa9adace78e11b18eb31812ab6126edc2fa3077dac6cbfd4b594b2b346f8c055b495dc48cb85abc507ad
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\43871715396838.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 bb52dad5e1a9e18cfd13ece5e29f2d455d49b95ea5315bb10eb96deb58d9dc3a
- MD5 a98f7de7b3b84ed3540cd1e1999999c2
- SHA1 7f5ea6e0512e75a64085b601821d33bee43eec32
- SHA512 f2cec382bf0c73a7e9643a8107cf6a3a2695528c96cfe537fe0015998db16c573a2b56360574abdcd57b95162f673dec3f96f6d625e89df8caf6b8d56b7a1d71
- 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