Analysis
- max time kernel
149s - max time network
104s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system - submitted
11/05/2024, 03:10
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
win10v2004-20240508-en
13 signatures
150 seconds
General
- Target be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
- Size 224KB
- Sample240511-dn7pgsaa6z
- 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\~SD5CFF.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD5D15.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe - Executes dropped EXE 4 IoCs
pid Process 2604 !WannaDecryptor!.exe 4060 !WannaDecryptor!.exe 3568 !WannaDecryptor!.exe 1720 !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 4776 taskkill.exe 4288 taskkill.exe 3796 taskkill.exe - Suspicious use of AdjustPrivilegeToken 49 IoCs
description pid Process Token: SeDebugPrivilege 4776 taskkill.exe Token: SeDebugPrivilege 3796 taskkill.exe Token: SeDebugPrivilege 4288 taskkill.exe Token: SeDebugPrivilege 3680 taskkill.exe Token: SeIncreaseQuotaPrivilege 2000 WMIC.exe Token: SeSecurityPrivilege 2000 WMIC.exe Token: SeTakeOwnershipPrivilege 2000 WMIC.exe Token: SeLoadDriverPrivilege 2000 WMIC.exe Token: SeSystemProfilePrivilege 2000 WMIC.exe Token: SeSystemtimePrivilege 2000 WMIC.exe Token: SeProfSingleProcessPrivilege 2000 WMIC.exe Token: SeIncBasePriorityPrivilege 2000 WMIC.exe Token: SeCreatePagefilePrivilege 2000 WMIC.exe Token: SeBackupPrivilege 2000 WMIC.exe Token: SeRestorePrivilege 2000 WMIC.exe Token: SeShutdownPrivilege 2000 WMIC.exe Token: SeDebugPrivilege 2000 WMIC.exe Token: SeSystemEnvironmentPrivilege 2000 WMIC.exe Token: SeRemoteShutdownPrivilege 2000 WMIC.exe Token: SeUndockPrivilege 2000 WMIC.exe Token: SeManageVolumePrivilege 2000 WMIC.exe Token: 33 2000 WMIC.exe Token: 34 2000 WMIC.exe Token: 35 2000 WMIC.exe Token: 36 2000 WMIC.exe Token: SeIncreaseQuotaPrivilege 2000 WMIC.exe Token: SeSecurityPrivilege 2000 WMIC.exe Token: SeTakeOwnershipPrivilege 2000 WMIC.exe Token: SeLoadDriverPrivilege 2000 WMIC.exe Token: SeSystemProfilePrivilege 2000 WMIC.exe Token: SeSystemtimePrivilege 2000 WMIC.exe Token: SeProfSingleProcessPrivilege 2000 WMIC.exe Token: SeIncBasePriorityPrivilege 2000 WMIC.exe Token: SeCreatePagefilePrivilege 2000 WMIC.exe Token: SeBackupPrivilege 2000 WMIC.exe Token: SeRestorePrivilege 2000 WMIC.exe Token: SeShutdownPrivilege 2000 WMIC.exe Token: SeDebugPrivilege 2000 WMIC.exe Token: SeSystemEnvironmentPrivilege 2000 WMIC.exe Token: SeRemoteShutdownPrivilege 2000 WMIC.exe Token: SeUndockPrivilege 2000 WMIC.exe Token: SeManageVolumePrivilege 2000 WMIC.exe Token: 33 2000 WMIC.exe Token: 34 2000 WMIC.exe Token: 35 2000 WMIC.exe Token: 36 2000 WMIC.exe Token: SeBackupPrivilege 4252 vssvc.exe Token: SeRestorePrivilege 4252 vssvc.exe Token: SeAuditPrivilege 4252 vssvc.exe - Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 2604 !WannaDecryptor!.exe 2604 !WannaDecryptor!.exe 4060 !WannaDecryptor!.exe 4060 !WannaDecryptor!.exe 3568 !WannaDecryptor!.exe 3568 !WannaDecryptor!.exe 1720 !WannaDecryptor!.exe 1720 !WannaDecryptor!.exe - Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 2948 wrote to memory of 4592 2948 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 82 PID 2948 wrote to memory of 4592 2948 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 82 PID 2948 wrote to memory of 4592 2948 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 82 PID 4592 wrote to memory of 2436 4592 cmd.exe 84 PID 4592 wrote to memory of 2436 4592 cmd.exe 84 PID 4592 wrote to memory of 2436 4592 cmd.exe 84 PID 2948 wrote to memory of 2604 2948 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 88 PID 2948 wrote to memory of 2604 2948 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 88 PID 2948 wrote to memory of 2604 2948 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 88 PID 2948 wrote to memory of 4776 2948 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 89 PID 2948 wrote to memory of 4776 2948 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 89 PID 2948 wrote to memory of 4776 2948 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 89 PID 2948 wrote to memory of 4288 2948 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 90 PID 2948 wrote to memory of 4288 2948 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 90 PID 2948 wrote to memory of 4288 2948 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 90 PID 2948 wrote to memory of 3796 2948 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 91 PID 2948 wrote to memory of 3796 2948 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 91 PID 2948 wrote to memory of 3796 2948 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 91 PID 2948 wrote to memory of 3680 2948 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 92 PID 2948 wrote to memory of 3680 2948 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 92 PID 2948 wrote to memory of 3680 2948 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 92 PID 2948 wrote to memory of 4060 2948 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 101 PID 2948 wrote to memory of 4060 2948 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 101 PID 2948 wrote to memory of 4060 2948 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 101 PID 2948 wrote to memory of 4040 2948 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 102 PID 2948 wrote to memory of 4040 2948 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 102 PID 2948 wrote to memory of 4040 2948 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 102 PID 4040 wrote to memory of 3568 4040 cmd.exe 104 PID 4040 wrote to memory of 3568 4040 cmd.exe 104 PID 4040 wrote to memory of 3568 4040 cmd.exe 104 PID 2948 wrote to memory of 1720 2948 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 106 PID 2948 wrote to memory of 1720 2948 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 106 PID 2948 wrote to memory of 1720 2948 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 106 PID 3568 wrote to memory of 4340 3568 !WannaDecryptor!.exe 107 PID 3568 wrote to memory of 4340 3568 !WannaDecryptor!.exe 107 PID 3568 wrote to memory of 4340 3568 !WannaDecryptor!.exe 107 PID 4340 wrote to memory of 2000 4340 cmd.exe 109 PID 4340 wrote to memory of 2000 4340 cmd.exe 109 PID 4340 wrote to memory of 2000 4340 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:2948 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 210821715397036.bat2⤵
- Suspicious use of WriteProcessMemory
PID:4592 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:2436
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:2604
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4776
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4288
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3796
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3680
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:4060
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C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Suspicious use of WriteProcessMemory
PID:4040 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3568 -
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:4340 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:2000
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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:1720
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4252
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 12393ee5dfdd9bef6aca97473fe33b016e2563eac92822c691bd2927c6d7db09
- MD5 6f0e607d18f6c14766f3e713c7142c11
- SHA1 eeec46c4b4a406ece93e8b93aecacd25879f5d07
- SHA512 153db0b7670d75437890fe0aec9368ce3517724af6a7e51fede5b975d80a94d5c0514bb5ad483b410009cdf42f9d551e8258adac342a37c723c0967378c64f8e
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\00000000.res
- Size 136B
- SHA256 c4612c7baf58e14a7820ae62bd1858fdf48f15de1ec6960887b0c9e8ba457097
- MD5 1c028e060856450f3d4f9a008752e13d
- SHA1 55fb6aed8fd9b4115f7ecd6c64c5e59a6944f0c8
- SHA512 acd48deff764873e3f2db94a38ee4e63c7f5a4ea65cd04848e7885309e9448ca5bfab1744b40878abdaed0c951929b397b94e3c07d15bf03e9cc66943267c587
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\00000000.res
- Size 136B
- SHA256 8235487d44c38654c74370021341fc96caf220f4593b81971b7c018283488254
- MD5 e1495a1fc1d633c8b64a60b558a4c67b
- SHA1 a0aa1bd7e055e33ddf5cfb6e2f8227ced6851847
- SHA512 5597aef01a51332c73f8a132ebea727287e356a5edc5ac90b2fa2c983176e9116ef928939cd526ea30ff8734eb5df182657f75d6686b7b964f923066d98d98ae
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\00000000.res
- Size 136B
- SHA256 e29dbc1a8189aac2fda4aa0535ceac11119d13610e0cfd6dc828ca63351700b3
- MD5 b95adb8d4549b13bf20ea3aae79ddb83
- SHA1 2d71ac9b3e4450fec2f36d12549b154b918eb905
- SHA512 a3827780a3884730303c428960c49274aea7d939a694123d51b4023295679730ec21daaea5d20f11add5b4227d05b2c92894e037e0df907f739cfda3152a00fd
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\210821715397036.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 681b6508a293adffc31f62430dcb2ac40d2d6078bd140cda5c6a02e83aaa88a4
- MD5 294686f9d2723000081db146b2014389
- SHA1 bc67fa87ace0169afc4ff99b38e429983241e937
- SHA512 0bdd3274b54fbefd89fbccf58ece8f477cdf8d77e798d0aa676189e59350ee0899f83ee215f35e9d771174f0d8ad4593f88431e9b82d13b53ed820b246c8f0c0
- 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