Analysis
- max time kernel
148s - max time network
153s - 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, 19:04
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
Resource
win7-20240221-en
13 signatures
150 seconds
Behavioral task
behavioral2
Sample
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
Resource
win10v2004-20240508-en
13 signatures
150 seconds
General
- Target be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
- Size 224KB
- Sample240513-xrd15aaa8y
- 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\~SD546C.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD57BF.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe - Executes dropped EXE 4 IoCs
pid Process 1472 !WannaDecryptor!.exe 2836 !WannaDecryptor!.exe 4436 !WannaDecryptor!.exe 4124 !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-1-5-21-1337824034-2731376981-3755436523-1000\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 3160 taskkill.exe 1724 taskkill.exe 3720 taskkill.exe 2960 taskkill.exe - Suspicious use of AdjustPrivilegeToken 49 IoCs
description pid Process Token: SeDebugPrivilege 3720 taskkill.exe Token: SeDebugPrivilege 1724 taskkill.exe Token: SeDebugPrivilege 3160 taskkill.exe Token: SeDebugPrivilege 2960 taskkill.exe Token: SeIncreaseQuotaPrivilege 3728 WMIC.exe Token: SeSecurityPrivilege 3728 WMIC.exe Token: SeTakeOwnershipPrivilege 3728 WMIC.exe Token: SeLoadDriverPrivilege 3728 WMIC.exe Token: SeSystemProfilePrivilege 3728 WMIC.exe Token: SeSystemtimePrivilege 3728 WMIC.exe Token: SeProfSingleProcessPrivilege 3728 WMIC.exe Token: SeIncBasePriorityPrivilege 3728 WMIC.exe Token: SeCreatePagefilePrivilege 3728 WMIC.exe Token: SeBackupPrivilege 3728 WMIC.exe Token: SeRestorePrivilege 3728 WMIC.exe Token: SeShutdownPrivilege 3728 WMIC.exe Token: SeDebugPrivilege 3728 WMIC.exe Token: SeSystemEnvironmentPrivilege 3728 WMIC.exe Token: SeRemoteShutdownPrivilege 3728 WMIC.exe Token: SeUndockPrivilege 3728 WMIC.exe Token: SeManageVolumePrivilege 3728 WMIC.exe Token: 33 3728 WMIC.exe Token: 34 3728 WMIC.exe Token: 35 3728 WMIC.exe Token: 36 3728 WMIC.exe Token: SeIncreaseQuotaPrivilege 3728 WMIC.exe Token: SeSecurityPrivilege 3728 WMIC.exe Token: SeTakeOwnershipPrivilege 3728 WMIC.exe Token: SeLoadDriverPrivilege 3728 WMIC.exe Token: SeSystemProfilePrivilege 3728 WMIC.exe Token: SeSystemtimePrivilege 3728 WMIC.exe Token: SeProfSingleProcessPrivilege 3728 WMIC.exe Token: SeIncBasePriorityPrivilege 3728 WMIC.exe Token: SeCreatePagefilePrivilege 3728 WMIC.exe Token: SeBackupPrivilege 3728 WMIC.exe Token: SeRestorePrivilege 3728 WMIC.exe Token: SeShutdownPrivilege 3728 WMIC.exe Token: SeDebugPrivilege 3728 WMIC.exe Token: SeSystemEnvironmentPrivilege 3728 WMIC.exe Token: SeRemoteShutdownPrivilege 3728 WMIC.exe Token: SeUndockPrivilege 3728 WMIC.exe Token: SeManageVolumePrivilege 3728 WMIC.exe Token: 33 3728 WMIC.exe Token: 34 3728 WMIC.exe Token: 35 3728 WMIC.exe Token: 36 3728 WMIC.exe Token: SeBackupPrivilege 3700 vssvc.exe Token: SeRestorePrivilege 3700 vssvc.exe Token: SeAuditPrivilege 3700 vssvc.exe - Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 1472 !WannaDecryptor!.exe 1472 !WannaDecryptor!.exe 2836 !WannaDecryptor!.exe 2836 !WannaDecryptor!.exe 4436 !WannaDecryptor!.exe 4436 !WannaDecryptor!.exe 4124 !WannaDecryptor!.exe 4124 !WannaDecryptor!.exe - Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 1564 wrote to memory of 2912 1564 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 82 PID 1564 wrote to memory of 2912 1564 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 82 PID 1564 wrote to memory of 2912 1564 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 82 PID 2912 wrote to memory of 2260 2912 cmd.exe 84 PID 2912 wrote to memory of 2260 2912 cmd.exe 84 PID 2912 wrote to memory of 2260 2912 cmd.exe 84 PID 1564 wrote to memory of 1472 1564 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 88 PID 1564 wrote to memory of 1472 1564 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 88 PID 1564 wrote to memory of 1472 1564 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 88 PID 1564 wrote to memory of 3160 1564 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 89 PID 1564 wrote to memory of 3160 1564 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 89 PID 1564 wrote to memory of 3160 1564 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 89 PID 1564 wrote to memory of 1724 1564 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 90 PID 1564 wrote to memory of 1724 1564 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 90 PID 1564 wrote to memory of 1724 1564 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 90 PID 1564 wrote to memory of 3720 1564 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 91 PID 1564 wrote to memory of 3720 1564 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 91 PID 1564 wrote to memory of 3720 1564 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 91 PID 1564 wrote to memory of 2960 1564 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 92 PID 1564 wrote to memory of 2960 1564 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 92 PID 1564 wrote to memory of 2960 1564 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 92 PID 1564 wrote to memory of 2836 1564 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 101 PID 1564 wrote to memory of 2836 1564 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 101 PID 1564 wrote to memory of 2836 1564 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 101 PID 1564 wrote to memory of 4076 1564 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 102 PID 1564 wrote to memory of 4076 1564 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 102 PID 1564 wrote to memory of 4076 1564 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 102 PID 4076 wrote to memory of 4436 4076 cmd.exe 104 PID 4076 wrote to memory of 4436 4076 cmd.exe 104 PID 4076 wrote to memory of 4436 4076 cmd.exe 104 PID 1564 wrote to memory of 4124 1564 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 106 PID 1564 wrote to memory of 4124 1564 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 106 PID 1564 wrote to memory of 4124 1564 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 106 PID 4436 wrote to memory of 1872 4436 !WannaDecryptor!.exe 107 PID 4436 wrote to memory of 1872 4436 !WannaDecryptor!.exe 107 PID 4436 wrote to memory of 1872 4436 !WannaDecryptor!.exe 107 PID 1872 wrote to memory of 3728 1872 cmd.exe 109 PID 1872 wrote to memory of 3728 1872 cmd.exe 109 PID 1872 wrote to memory of 3728 1872 cmd.exe 109 - 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:1564 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 187861715627114.bat2⤵
- Suspicious use of WriteProcessMemory
PID:2912 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:2260
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:1472
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3160
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1724
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3720
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2960
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:2836
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C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Suspicious use of WriteProcessMemory
PID:4076 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4436 -
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:1872 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:3728
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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:4124
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3700
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 252051be4bc03dc134cfdb8c28b378f0387917e27631657a42450b36be48ffc0
- MD5 b271a8a062815d357f04cf3dc4a20434
- SHA1 a41a6c0f0e1fcdc8512456208ffbd4a7fb6dbb53
- SHA512 32e45e46d2c01613b422ce020623e9979f14b0ec0dc5701b82924aaace773e302b356e346d28de8d29a32b16232766f622f8d270498a968a7fe577329202ae65
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\00000000.res
- Size 136B
- SHA256 f26c2b92e280153af12a220cc1a4534537d8e625a018dd52fe4b39f2d5aff824
- MD5 d2ce9bf5dca1899944983804d6c8d26e
- SHA1 e0c9050edf0ffdee3880baf95a53a1e99e09ba82
- SHA512 419f2596e79fcba29a9a9e050d92d4bc19da52ed6f2d6bae5b514e5aefac858f44affec885559929e0b53d2124a104cff5229e66a8c053a622a6c68f6b5b1eb9
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\00000000.res
- Size 136B
- SHA256 1651fdab11358d307be93fe4f00aedc91079963b4b78f20316acdc3c90d82b12
- MD5 7a6e31a97881079808d065d6a62dc4c0
- SHA1 a118c24b48d836c3a0065021d954c0991d2107cc
- SHA512 bf68e21652e7edb4e5bf19c274ff52a8696676f4166bf8a8217f4ba05fae1adc2ae6854fabe1af1a025fc9b509893c828afaeb18880d22e43d77f4cc4b6fc8b7
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\00000000.res
- Size 136B
- SHA256 f9015edd02e781b4c58c131063f0078cc534e64847de1978efdf54d57934e7fa
- MD5 5294cca524cce12e9cb557ddc7fa8588
- SHA1 08919d624c9334400912314fdb1fe6c7f485557b
- SHA512 a3642cce8a3b2da2cede979b2cd57494a3b25d46f4df9699842b12d98257141d7acba537f05571807f1069f56ffe6fe52a9940b26421d4522f09e207b8d560b8
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\187861715627114.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 bf1b47411cee99b6d0442dfb6aa54f4e62c4f1d1fea03f35c41f4b466d426819
- MD5 1e088619ddba7833aefd7b961195ba55
- SHA1 6ee86eb23d55294ea4904841f4720dbfbea7842e
- SHA512 c76135fb5feee32c3fc97c6e05013d055f5e1805a950b880bffc46a8f6ecf1e9039b3a8d1c3b9ed65299bee724944e6915d9ded9e7e674b85c0e5572f6bc6544
- 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