Analysis
- max time kernel
147s - max time network
139s - 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, 03:11
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
Resource
win7-20240508-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-dpm2gach42
- 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\~SD91B3.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD91CA.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe - Executes dropped EXE 4 IoCs
pid Process 1452 !WannaDecryptor!.exe 4912 !WannaDecryptor!.exe 4148 !WannaDecryptor!.exe 8 !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-1-5-21-711569230-3659488422-571408806-1000\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 4152 taskkill.exe 2832 taskkill.exe 2736 taskkill.exe 3560 taskkill.exe - Suspicious use of AdjustPrivilegeToken 49 IoCs
description pid Process Token: SeDebugPrivilege 2736 taskkill.exe Token: SeDebugPrivilege 2832 taskkill.exe Token: SeDebugPrivilege 3560 taskkill.exe Token: SeDebugPrivilege 4152 taskkill.exe Token: SeIncreaseQuotaPrivilege 880 WMIC.exe Token: SeSecurityPrivilege 880 WMIC.exe Token: SeTakeOwnershipPrivilege 880 WMIC.exe Token: SeLoadDriverPrivilege 880 WMIC.exe Token: SeSystemProfilePrivilege 880 WMIC.exe Token: SeSystemtimePrivilege 880 WMIC.exe Token: SeProfSingleProcessPrivilege 880 WMIC.exe Token: SeIncBasePriorityPrivilege 880 WMIC.exe Token: SeCreatePagefilePrivilege 880 WMIC.exe Token: SeBackupPrivilege 880 WMIC.exe Token: SeRestorePrivilege 880 WMIC.exe Token: SeShutdownPrivilege 880 WMIC.exe Token: SeDebugPrivilege 880 WMIC.exe Token: SeSystemEnvironmentPrivilege 880 WMIC.exe Token: SeRemoteShutdownPrivilege 880 WMIC.exe Token: SeUndockPrivilege 880 WMIC.exe Token: SeManageVolumePrivilege 880 WMIC.exe Token: 33 880 WMIC.exe Token: 34 880 WMIC.exe Token: 35 880 WMIC.exe Token: 36 880 WMIC.exe Token: SeIncreaseQuotaPrivilege 880 WMIC.exe Token: SeSecurityPrivilege 880 WMIC.exe Token: SeTakeOwnershipPrivilege 880 WMIC.exe Token: SeLoadDriverPrivilege 880 WMIC.exe Token: SeSystemProfilePrivilege 880 WMIC.exe Token: SeSystemtimePrivilege 880 WMIC.exe Token: SeProfSingleProcessPrivilege 880 WMIC.exe Token: SeIncBasePriorityPrivilege 880 WMIC.exe Token: SeCreatePagefilePrivilege 880 WMIC.exe Token: SeBackupPrivilege 880 WMIC.exe Token: SeRestorePrivilege 880 WMIC.exe Token: SeShutdownPrivilege 880 WMIC.exe Token: SeDebugPrivilege 880 WMIC.exe Token: SeSystemEnvironmentPrivilege 880 WMIC.exe Token: SeRemoteShutdownPrivilege 880 WMIC.exe Token: SeUndockPrivilege 880 WMIC.exe Token: SeManageVolumePrivilege 880 WMIC.exe Token: 33 880 WMIC.exe Token: 34 880 WMIC.exe Token: 35 880 WMIC.exe Token: 36 880 WMIC.exe Token: SeBackupPrivilege 740 vssvc.exe Token: SeRestorePrivilege 740 vssvc.exe Token: SeAuditPrivilege 740 vssvc.exe - Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 1452 !WannaDecryptor!.exe 1452 !WannaDecryptor!.exe 4912 !WannaDecryptor!.exe 4912 !WannaDecryptor!.exe 4148 !WannaDecryptor!.exe 4148 !WannaDecryptor!.exe 8 !WannaDecryptor!.exe 8 !WannaDecryptor!.exe - Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 3880 wrote to memory of 3528 3880 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 85 PID 3880 wrote to memory of 3528 3880 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 85 PID 3880 wrote to memory of 3528 3880 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 85 PID 3528 wrote to memory of 4656 3528 cmd.exe 87 PID 3528 wrote to memory of 4656 3528 cmd.exe 87 PID 3528 wrote to memory of 4656 3528 cmd.exe 87 PID 3880 wrote to memory of 1452 3880 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 93 PID 3880 wrote to memory of 1452 3880 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 93 PID 3880 wrote to memory of 1452 3880 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 93 PID 3880 wrote to memory of 2832 3880 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 94 PID 3880 wrote to memory of 2832 3880 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 94 PID 3880 wrote to memory of 2832 3880 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 94 PID 3880 wrote to memory of 4152 3880 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 95 PID 3880 wrote to memory of 4152 3880 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 95 PID 3880 wrote to memory of 4152 3880 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 95 PID 3880 wrote to memory of 3560 3880 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 96 PID 3880 wrote to memory of 3560 3880 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 96 PID 3880 wrote to memory of 3560 3880 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 96 PID 3880 wrote to memory of 2736 3880 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 97 PID 3880 wrote to memory of 2736 3880 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 97 PID 3880 wrote to memory of 2736 3880 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 97 PID 3880 wrote to memory of 4912 3880 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 108 PID 3880 wrote to memory of 4912 3880 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 108 PID 3880 wrote to memory of 4912 3880 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 108 PID 3880 wrote to memory of 4040 3880 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 109 PID 3880 wrote to memory of 4040 3880 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 109 PID 3880 wrote to memory of 4040 3880 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 109 PID 4040 wrote to memory of 4148 4040 cmd.exe 111 PID 4040 wrote to memory of 4148 4040 cmd.exe 111 PID 4040 wrote to memory of 4148 4040 cmd.exe 111 PID 3880 wrote to memory of 8 3880 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 115 PID 3880 wrote to memory of 8 3880 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 115 PID 3880 wrote to memory of 8 3880 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 115 PID 4148 wrote to memory of 4880 4148 !WannaDecryptor!.exe 116 PID 4148 wrote to memory of 4880 4148 !WannaDecryptor!.exe 116 PID 4148 wrote to memory of 4880 4148 !WannaDecryptor!.exe 116 PID 4880 wrote to memory of 880 4880 cmd.exe 118 PID 4880 wrote to memory of 880 4880 cmd.exe 118 PID 4880 wrote to memory of 880 4880 cmd.exe 118 - 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:3880 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 5491715397077.bat2⤵
- Suspicious use of WriteProcessMemory
PID:3528 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:4656
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:1452
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2832
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4152
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3560
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2736
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:4912
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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:4148 -
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:4880 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:880
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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:8
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:740
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 66eb941e9cec0e028915c88871978bdfdf073984ff2428c1881b9f53ee560cc9
- MD5 9a75ff7e437845da3e67ac825099c84c
- SHA1 b49df295ab32c7f16f00e89f7aa6f15b28e7e4d4
- SHA512 af2d9f5ef98be1f0d5fa19398bef2053b872dd8b5a41e4324c50f3bf1fa5b6f9e88689af27779e00add0b43fe0953da75e827af660664b32f06723ac65c081aa
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\00000000.res
- Size 136B
- SHA256 53e5f52c9361c1fa0d091c3fc625c49b879e0d12b284a88ee9eac5aa40b24c79
- MD5 9a99bb2815fb27ca07030c4d5ac5a994
- SHA1 a15cec1f202b56c1b7e9133393ef127c99228112
- SHA512 c855b3a50b4d51adb09b426c9e5c5e6f5c2b0ee7b77ad82d23769be326b01fa8ef3cb4ddc24622e13eb961ad954c9151eb03da25ce1f85f10fed1673880716ca
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\00000000.res
- Size 136B
- SHA256 410dda087dc5b8e6f2425da45d855d34e69eb69fe757548710e7789a289cb747
- MD5 e64922ed5e6c64ecb74a885d72d6b359
- SHA1 b65b85e43851554cf9a9d0ba20fd89e4cb9ae050
- SHA512 8b1ca58ccc1e2f1ce1c5434f015ef49d23d8acc2817dc09232add668c86c4ad593c2563ebdcd37874f7ce9b3661ad1ece139304c7403271577d8765d8e7c26dd
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\00000000.res
- Size 136B
- SHA256 0969678b5ee33c2186403ff9bee8e04f540a7973f6783c73d18dc801d3941122
- MD5 a86ef9773c0bd824f5e688b89bc95d0b
- SHA1 ccb18c09441f13cda2d440d89bf5d92122a79ac6
- SHA512 826c37f44dc3f7bdd95e6009fbfa4d97b47d771d174cbbed070941bee1fa6d9c4cc951d46b9fd7f3d17b64ffcfa117f92ec86c2924bb7b82e64a88227ecad8ea
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\5491715397077.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 c06e38c640fbbdcdfcb13bc2cf405fa06395565d0ec2061278d77c0789efbabb
- MD5 6ff403aa16b573a9116d4ebc17d7befd
- SHA1 08fc1f22141981bd721f5bf99fa7bc987996a9c1
- SHA512 586f90608cb027eeb2f464cdcd18d35dbb2b878e6964751b5a8f12acbe6de3aa3cb884f19a70d93d1456aba82ef4cfc47f4d26bf031ba21954ff5ed256f4de08
- 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