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, 19:02
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
Resource
win7-20240215-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
- Sample240513-xp378saa2x
- 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\~SD5610.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD5617.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe - Executes dropped EXE 4 IoCs
pid Process 4468 !WannaDecryptor!.exe 3436 !WannaDecryptor!.exe 4364 !WannaDecryptor!.exe 1792 !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-1-5-21-2539840389-1261165778-1087677076-1000\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 4364 taskkill.exe 2144 taskkill.exe 2080 taskkill.exe 2924 taskkill.exe - Suspicious use of AdjustPrivilegeToken 49 IoCs
description pid Process Token: SeDebugPrivilege 2924 taskkill.exe Token: SeDebugPrivilege 2080 taskkill.exe Token: SeDebugPrivilege 2144 taskkill.exe Token: SeDebugPrivilege 4364 taskkill.exe Token: SeIncreaseQuotaPrivilege 2732 WMIC.exe Token: SeSecurityPrivilege 2732 WMIC.exe Token: SeTakeOwnershipPrivilege 2732 WMIC.exe Token: SeLoadDriverPrivilege 2732 WMIC.exe Token: SeSystemProfilePrivilege 2732 WMIC.exe Token: SeSystemtimePrivilege 2732 WMIC.exe Token: SeProfSingleProcessPrivilege 2732 WMIC.exe Token: SeIncBasePriorityPrivilege 2732 WMIC.exe Token: SeCreatePagefilePrivilege 2732 WMIC.exe Token: SeBackupPrivilege 2732 WMIC.exe Token: SeRestorePrivilege 2732 WMIC.exe Token: SeShutdownPrivilege 2732 WMIC.exe Token: SeDebugPrivilege 2732 WMIC.exe Token: SeSystemEnvironmentPrivilege 2732 WMIC.exe Token: SeRemoteShutdownPrivilege 2732 WMIC.exe Token: SeUndockPrivilege 2732 WMIC.exe Token: SeManageVolumePrivilege 2732 WMIC.exe Token: 33 2732 WMIC.exe Token: 34 2732 WMIC.exe Token: 35 2732 WMIC.exe Token: 36 2732 WMIC.exe Token: SeIncreaseQuotaPrivilege 2732 WMIC.exe Token: SeSecurityPrivilege 2732 WMIC.exe Token: SeTakeOwnershipPrivilege 2732 WMIC.exe Token: SeLoadDriverPrivilege 2732 WMIC.exe Token: SeSystemProfilePrivilege 2732 WMIC.exe Token: SeSystemtimePrivilege 2732 WMIC.exe Token: SeProfSingleProcessPrivilege 2732 WMIC.exe Token: SeIncBasePriorityPrivilege 2732 WMIC.exe Token: SeCreatePagefilePrivilege 2732 WMIC.exe Token: SeBackupPrivilege 2732 WMIC.exe Token: SeRestorePrivilege 2732 WMIC.exe Token: SeShutdownPrivilege 2732 WMIC.exe Token: SeDebugPrivilege 2732 WMIC.exe Token: SeSystemEnvironmentPrivilege 2732 WMIC.exe Token: SeRemoteShutdownPrivilege 2732 WMIC.exe Token: SeUndockPrivilege 2732 WMIC.exe Token: SeManageVolumePrivilege 2732 WMIC.exe Token: 33 2732 WMIC.exe Token: 34 2732 WMIC.exe Token: 35 2732 WMIC.exe Token: 36 2732 WMIC.exe Token: SeBackupPrivilege 3320 vssvc.exe Token: SeRestorePrivilege 3320 vssvc.exe Token: SeAuditPrivilege 3320 vssvc.exe - Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 4468 !WannaDecryptor!.exe 4468 !WannaDecryptor!.exe 3436 !WannaDecryptor!.exe 3436 !WannaDecryptor!.exe 4364 !WannaDecryptor!.exe 4364 !WannaDecryptor!.exe 1792 !WannaDecryptor!.exe 1792 !WannaDecryptor!.exe - Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 1520 wrote to memory of 2168 1520 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 81 PID 1520 wrote to memory of 2168 1520 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 81 PID 1520 wrote to memory of 2168 1520 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 81 PID 2168 wrote to memory of 740 2168 cmd.exe 83 PID 2168 wrote to memory of 740 2168 cmd.exe 83 PID 2168 wrote to memory of 740 2168 cmd.exe 83 PID 1520 wrote to memory of 4468 1520 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 84 PID 1520 wrote to memory of 4468 1520 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 84 PID 1520 wrote to memory of 4468 1520 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 84 PID 1520 wrote to memory of 4364 1520 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 85 PID 1520 wrote to memory of 4364 1520 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 85 PID 1520 wrote to memory of 4364 1520 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 85 PID 1520 wrote to memory of 2924 1520 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 86 PID 1520 wrote to memory of 2924 1520 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 86 PID 1520 wrote to memory of 2924 1520 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 86 PID 1520 wrote to memory of 2080 1520 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 87 PID 1520 wrote to memory of 2080 1520 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 87 PID 1520 wrote to memory of 2080 1520 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 87 PID 1520 wrote to memory of 2144 1520 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 88 PID 1520 wrote to memory of 2144 1520 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 88 PID 1520 wrote to memory of 2144 1520 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 88 PID 1520 wrote to memory of 3436 1520 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 95 PID 1520 wrote to memory of 3436 1520 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 95 PID 1520 wrote to memory of 3436 1520 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 95 PID 1520 wrote to memory of 644 1520 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 96 PID 1520 wrote to memory of 644 1520 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 96 PID 1520 wrote to memory of 644 1520 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 96 PID 644 wrote to memory of 4364 644 cmd.exe 98 PID 644 wrote to memory of 4364 644 cmd.exe 98 PID 644 wrote to memory of 4364 644 cmd.exe 98 PID 1520 wrote to memory of 1792 1520 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 100 PID 1520 wrote to memory of 1792 1520 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 100 PID 1520 wrote to memory of 1792 1520 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 100 PID 4364 wrote to memory of 3976 4364 !WannaDecryptor!.exe 101 PID 4364 wrote to memory of 3976 4364 !WannaDecryptor!.exe 101 PID 4364 wrote to memory of 3976 4364 !WannaDecryptor!.exe 101 PID 3976 wrote to memory of 2732 3976 cmd.exe 103 PID 3976 wrote to memory of 2732 3976 cmd.exe 103 PID 3976 wrote to memory of 2732 3976 cmd.exe 103 - 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:1520 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 182771715626964.bat2⤵
- Suspicious use of WriteProcessMemory
PID:2168 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:740
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:4468
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4364
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2924
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2080
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2144
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:3436
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C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Suspicious use of WriteProcessMemory
PID:644 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4364 -
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:3976 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:2732
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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:1792
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3320
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 e438fcea07275ec291b42e5aa62c76a344a938fb8986d72bbd8f014aad0d3928
- MD5 d08a1fed36e74f04d334883e42ea0c42
- SHA1 93ac1f1517f4322aec32f104f68f7b9e4e898bdf
- SHA512 4b68923ca83fabfe26700ba3b7ec248a4498da8de2f4833295a8757b4fda65e988dbd013371dea3314d34da20f357296e393b5e1409f798ef987d489a6c76a3f
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\00000000.res
- Size 136B
- SHA256 5cf1e84ca59543f85414d56681ddd177de16a0b54d6989334d77f68c9ea75702
- MD5 3bf7f8870d5f2ce795fc391c7702a931
- SHA1 d218485e58b53fe97fb3cce8580a549f519c6613
- SHA512 75d56f28210726200fdc423f32ad646f3bdd96dc69821e88e9265615c12f6ed9a2594b3c041ae879e44b9dd21ccb5b55714eaa83dc3376934017cc31f7253ec1
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\00000000.res
- Size 136B
- SHA256 4d7a7b4a75e427dfa33ea0fdeb68f2e69677eaf51d5297af2521566e194fa907
- MD5 42d41b8dd6d74fb9301814ac332173ce
- SHA1 1300d97bc00e4a27cbe901b37ec5bcdcd9ca8ba4
- SHA512 3d2206c569aa4f7c3798a2e95009e8ce878c00320cf94f70bed59e70e7aac889b025952be0fc48fc53771e2732f5f760aed6201c1229767e0c7ce6be0dcdf02d
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\00000000.res
- Size 136B
- SHA256 453649995878ef6e1880914f212b9678c37eef92850fe9fd6511d63ac58c1a9d
- MD5 551a691874f898c44184eae6fbaacecf
- SHA1 573bf545f6f74ccf87ace4b806220877d36a4982
- SHA512 1d7cd9a90fc0c126e73dd390fa29b76930088bb7f1ae4d96571311999b38382c98ff7890521408cb82db34d0916681b71303dab56eab20af4b052c453e6b6b9b
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\182771715626964.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 1785332679b0b110277509df48efc4a8cce50a0f7929a7b2d6a103c6a3adb746
- MD5 f21918ea8e5e0cacbfaaf79966b2f99c
- SHA1 7e0aad390d5bbf163076c84ca17cfbf5dcb944e5
- SHA512 1a0543be24839c25a58ec2d5e57b10ccd76bc6ead7ab92cc89e6f513f40ed5903ead5f23425ed3301d1678729f9527cce1ba5c3391265e3fce4472c58576034e
- 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