Analysis
- max time kernel
146s - max time network
101s - 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
win7-20240215-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-dpkw4sch36
- 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\Word\STARTUP\~SD4B86.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\~SD4B70.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe - Executes dropped EXE 4 IoCs
pid Process 4188 !WannaDecryptor!.exe 4856 !WannaDecryptor!.exe 644 !WannaDecryptor!.exe 1620 !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-1-5-21-1162180587-977231257-2194346871-1000\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 4296 taskkill.exe 3808 taskkill.exe 1656 taskkill.exe 1996 taskkill.exe - Suspicious use of AdjustPrivilegeToken 49 IoCs
description pid Process Token: SeDebugPrivilege 1996 taskkill.exe Token: SeDebugPrivilege 3808 taskkill.exe Token: SeDebugPrivilege 4296 taskkill.exe Token: SeDebugPrivilege 1656 taskkill.exe Token: SeIncreaseQuotaPrivilege 616 WMIC.exe Token: SeSecurityPrivilege 616 WMIC.exe Token: SeTakeOwnershipPrivilege 616 WMIC.exe Token: SeLoadDriverPrivilege 616 WMIC.exe Token: SeSystemProfilePrivilege 616 WMIC.exe Token: SeSystemtimePrivilege 616 WMIC.exe Token: SeProfSingleProcessPrivilege 616 WMIC.exe Token: SeIncBasePriorityPrivilege 616 WMIC.exe Token: SeCreatePagefilePrivilege 616 WMIC.exe Token: SeBackupPrivilege 616 WMIC.exe Token: SeRestorePrivilege 616 WMIC.exe Token: SeShutdownPrivilege 616 WMIC.exe Token: SeDebugPrivilege 616 WMIC.exe Token: SeSystemEnvironmentPrivilege 616 WMIC.exe Token: SeRemoteShutdownPrivilege 616 WMIC.exe Token: SeUndockPrivilege 616 WMIC.exe Token: SeManageVolumePrivilege 616 WMIC.exe Token: 33 616 WMIC.exe Token: 34 616 WMIC.exe Token: 35 616 WMIC.exe Token: 36 616 WMIC.exe Token: SeIncreaseQuotaPrivilege 616 WMIC.exe Token: SeSecurityPrivilege 616 WMIC.exe Token: SeTakeOwnershipPrivilege 616 WMIC.exe Token: SeLoadDriverPrivilege 616 WMIC.exe Token: SeSystemProfilePrivilege 616 WMIC.exe Token: SeSystemtimePrivilege 616 WMIC.exe Token: SeProfSingleProcessPrivilege 616 WMIC.exe Token: SeIncBasePriorityPrivilege 616 WMIC.exe Token: SeCreatePagefilePrivilege 616 WMIC.exe Token: SeBackupPrivilege 616 WMIC.exe Token: SeRestorePrivilege 616 WMIC.exe Token: SeShutdownPrivilege 616 WMIC.exe Token: SeDebugPrivilege 616 WMIC.exe Token: SeSystemEnvironmentPrivilege 616 WMIC.exe Token: SeRemoteShutdownPrivilege 616 WMIC.exe Token: SeUndockPrivilege 616 WMIC.exe Token: SeManageVolumePrivilege 616 WMIC.exe Token: 33 616 WMIC.exe Token: 34 616 WMIC.exe Token: 35 616 WMIC.exe Token: 36 616 WMIC.exe Token: SeBackupPrivilege 1500 vssvc.exe Token: SeRestorePrivilege 1500 vssvc.exe Token: SeAuditPrivilege 1500 vssvc.exe - Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 4188 !WannaDecryptor!.exe 4188 !WannaDecryptor!.exe 4856 !WannaDecryptor!.exe 4856 !WannaDecryptor!.exe 644 !WannaDecryptor!.exe 644 !WannaDecryptor!.exe 1620 !WannaDecryptor!.exe 1620 !WannaDecryptor!.exe - Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 764 wrote to memory of 4876 764 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 83 PID 764 wrote to memory of 4876 764 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 83 PID 764 wrote to memory of 4876 764 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 83 PID 4876 wrote to memory of 1356 4876 cmd.exe 85 PID 4876 wrote to memory of 1356 4876 cmd.exe 85 PID 4876 wrote to memory of 1356 4876 cmd.exe 85 PID 764 wrote to memory of 4188 764 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 88 PID 764 wrote to memory of 4188 764 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 88 PID 764 wrote to memory of 4188 764 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 88 PID 764 wrote to memory of 1996 764 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 89 PID 764 wrote to memory of 1996 764 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 89 PID 764 wrote to memory of 1996 764 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 89 PID 764 wrote to memory of 1656 764 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 90 PID 764 wrote to memory of 1656 764 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 90 PID 764 wrote to memory of 1656 764 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 90 PID 764 wrote to memory of 3808 764 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 91 PID 764 wrote to memory of 3808 764 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 91 PID 764 wrote to memory of 3808 764 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 91 PID 764 wrote to memory of 4296 764 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 92 PID 764 wrote to memory of 4296 764 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 92 PID 764 wrote to memory of 4296 764 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 92 PID 764 wrote to memory of 4856 764 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 105 PID 764 wrote to memory of 4856 764 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 105 PID 764 wrote to memory of 4856 764 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 105 PID 764 wrote to memory of 3116 764 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 106 PID 764 wrote to memory of 3116 764 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 106 PID 764 wrote to memory of 3116 764 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 106 PID 3116 wrote to memory of 644 3116 cmd.exe 109 PID 3116 wrote to memory of 644 3116 cmd.exe 109 PID 3116 wrote to memory of 644 3116 cmd.exe 109 PID 764 wrote to memory of 1620 764 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 112 PID 764 wrote to memory of 1620 764 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 112 PID 764 wrote to memory of 1620 764 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 112 PID 644 wrote to memory of 4896 644 !WannaDecryptor!.exe 113 PID 644 wrote to memory of 4896 644 !WannaDecryptor!.exe 113 PID 644 wrote to memory of 4896 644 !WannaDecryptor!.exe 113 PID 4896 wrote to memory of 616 4896 cmd.exe 115 PID 4896 wrote to memory of 616 4896 cmd.exe 115 PID 4896 wrote to memory of 616 4896 cmd.exe 115 - 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:764 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 88361715397069.bat2⤵
- Suspicious use of WriteProcessMemory
PID:4876 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:1356
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:4188
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1996
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1656
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3808
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4296
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:4856
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C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Suspicious use of WriteProcessMemory
PID:3116 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:644 -
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:4896 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:616
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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:1620
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1500
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 21badfd09228ac8e879c84ceee2840341efcb02d37ccc7c8ee7196707e43b93e
- MD5 e67f60ab25f55d01c3b4204a526b9739
- SHA1 27e29c2925a64feedf3d396c19bc038a11f1b8bc
- SHA512 523b3843ac05df43259d561178c80b6c166e7ae0cb9af54c317170755e3f6863df8b432747b6d17a1826548219c2b65e922be384c93b532cf501628c4956a926
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\00000000.res
- Size 136B
- SHA256 e6f733ec760b4f94566ac37acdb355437722eb758750a9eabd65d814482b656f
- MD5 7adb0e5e1a2bf57e81d89710e140397f
- SHA1 abbad7ba60251a77430861a0fcc5d27776e609f0
- SHA512 2eb34e434e1fcc5d556517eafd688a256190e1f724f30ec44bcbd53cc795432ec35b252abdf6af75c8975c10312e12b763109bc386f5e133cbe98e803c90961b
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\00000000.res
- Size 136B
- SHA256 204fb7d62d9911d4dd97eb1ebbd9c000cd95cf5ad964c0be6a40cdd5620a546e
- MD5 2a9906abf6c1e596deec382256a62965
- SHA1 53f16563d6fb25487dfd8a5bf25e503535ae5ff2
- SHA512 821a57def2da8b6affc5380da94572269b8b2a133e08f23f034e5bfffa98f48420066707edeae01914b25e185680a55a8401cc6c7147714f11112c280dcda9be
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\00000000.res
- Size 136B
- SHA256 60d265e5f1726207413ca9eff63df77ddd25a3b6a49ffb9f74d1ed9b8b06c68f
- MD5 aac54f2a02f7bb5b8f08f1f4ecd4dc99
- SHA1 5b3dbc9fd6e7136f39c859b0219fe6767f463f65
- SHA512 8214b0bb4d5be0628f25f92bb7645aa6217ccfba2947938a4ffea6192db3e752734f9a1f7b07783d04410252cbdff00eefbd37c47837ad668ba16f4cd29bd5bf
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\88361715397069.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 1b947bd68e14f2a6525c7ab13dd5d33a5b85dbede49a659b5b8783fe3da12bc3
- MD5 023cd433b6273adf6752d09071d2263f
- SHA1 a8427fa634bbc951d5a0796cf365f4d1e0802814
- SHA512 3150346b600ef922b89a5c815494e66688ca58dbf98afc47138a3fb27f41ddc54108711da0110362de87bbd0c241ce71c72ff73874e958ba733475dfc3cdae9a
- 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