Analysis
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max time kernel
139s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240215-en -
resource tags
arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system -
submitted
11/05/2024, 03:07
Static task
static1
Behavioral task
behavioral1
Sample
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
Resource
win10v2004-20240508-en
General
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Target
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
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Size
224KB
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MD5
5c7fb0927db37372da25f270708103a2
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SHA1
120ed9279d85cbfa56e5b7779ffa7162074f7a29
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SHA256
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844
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SHA512
a15f97fad744ccf5f620e5aabb81f48507327b898a9aa4287051464019e0f89224c484e9691812e166471af9beaddcfc3deb2ba878658761f4800663beef7206
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SSDEEP
3072:Y059femWRwTs/dbelj0X8/j84pcRXPlU3Upt3or4H84lK8PtpLzLsR/EfcZ:+5RwTs/dSXj84mRXPemxdBlPvLzLeZ
Malware Config
Extracted
C:\Users\Admin\Documents\!Please Read Me!.txt
wannacry
15zGqZCTcys6eCjDkE3DypCjXi6QWRV6V1
Signatures
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Wannacry
WannaCry is a ransomware cryptoworm.
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Deletes shadow copies 3 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Drops startup file 1 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\~SD24C0.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe -
Executes dropped EXE 4 IoCs
pid Process 2528 !WannaDecryptor!.exe 588 !WannaDecryptor!.exe 1076 !WannaDecryptor!.exe 688 !WannaDecryptor!.exe -
Loads dropped DLL 9 IoCs
pid Process 2552 cscript.exe 1724 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 1724 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 1724 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 1724 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 2924 cmd.exe 2924 cmd.exe 1724 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 1724 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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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 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Desktop\\!WannaCryptor!.bmp" !WannaDecryptor!.exe Set value (str) \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Pictures\\My Wallpaper.jpg" !WannaDecryptor!.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Interacts with shadow copies 2 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 1420 vssadmin.exe -
Kills process with taskkill 4 IoCs
pid Process 2696 taskkill.exe 1872 taskkill.exe 2080 taskkill.exe 3060 taskkill.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 688 !WannaDecryptor!.exe -
Suspicious use of AdjustPrivilegeToken 47 IoCs
description pid Process Token: SeDebugPrivilege 2080 taskkill.exe Token: SeDebugPrivilege 3060 taskkill.exe Token: SeDebugPrivilege 2696 taskkill.exe Token: SeDebugPrivilege 1872 taskkill.exe Token: SeBackupPrivilege 776 vssvc.exe Token: SeRestorePrivilege 776 vssvc.exe Token: SeAuditPrivilege 776 vssvc.exe Token: SeIncreaseQuotaPrivilege 936 WMIC.exe Token: SeSecurityPrivilege 936 WMIC.exe Token: SeTakeOwnershipPrivilege 936 WMIC.exe Token: SeLoadDriverPrivilege 936 WMIC.exe Token: SeSystemProfilePrivilege 936 WMIC.exe Token: SeSystemtimePrivilege 936 WMIC.exe Token: SeProfSingleProcessPrivilege 936 WMIC.exe Token: SeIncBasePriorityPrivilege 936 WMIC.exe Token: SeCreatePagefilePrivilege 936 WMIC.exe Token: SeBackupPrivilege 936 WMIC.exe Token: SeRestorePrivilege 936 WMIC.exe Token: SeShutdownPrivilege 936 WMIC.exe Token: SeDebugPrivilege 936 WMIC.exe Token: SeSystemEnvironmentPrivilege 936 WMIC.exe Token: SeRemoteShutdownPrivilege 936 WMIC.exe Token: SeUndockPrivilege 936 WMIC.exe Token: SeManageVolumePrivilege 936 WMIC.exe Token: 33 936 WMIC.exe Token: 34 936 WMIC.exe Token: 35 936 WMIC.exe Token: SeIncreaseQuotaPrivilege 936 WMIC.exe Token: SeSecurityPrivilege 936 WMIC.exe Token: SeTakeOwnershipPrivilege 936 WMIC.exe Token: SeLoadDriverPrivilege 936 WMIC.exe Token: SeSystemProfilePrivilege 936 WMIC.exe Token: SeSystemtimePrivilege 936 WMIC.exe Token: SeProfSingleProcessPrivilege 936 WMIC.exe Token: SeIncBasePriorityPrivilege 936 WMIC.exe Token: SeCreatePagefilePrivilege 936 WMIC.exe Token: SeBackupPrivilege 936 WMIC.exe Token: SeRestorePrivilege 936 WMIC.exe Token: SeShutdownPrivilege 936 WMIC.exe Token: SeDebugPrivilege 936 WMIC.exe Token: SeSystemEnvironmentPrivilege 936 WMIC.exe Token: SeRemoteShutdownPrivilege 936 WMIC.exe Token: SeUndockPrivilege 936 WMIC.exe Token: SeManageVolumePrivilege 936 WMIC.exe Token: 33 936 WMIC.exe Token: 34 936 WMIC.exe Token: 35 936 WMIC.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 2528 !WannaDecryptor!.exe 2528 !WannaDecryptor!.exe 588 !WannaDecryptor!.exe 588 !WannaDecryptor!.exe 1076 !WannaDecryptor!.exe 1076 !WannaDecryptor!.exe 688 !WannaDecryptor!.exe 688 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 56 IoCs
description pid Process procid_target PID 1724 wrote to memory of 2548 1724 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 28 PID 1724 wrote to memory of 2548 1724 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 28 PID 1724 wrote to memory of 2548 1724 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 28 PID 1724 wrote to memory of 2548 1724 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 28 PID 2548 wrote to memory of 2552 2548 cmd.exe 30 PID 2548 wrote to memory of 2552 2548 cmd.exe 30 PID 2548 wrote to memory of 2552 2548 cmd.exe 30 PID 2548 wrote to memory of 2552 2548 cmd.exe 30 PID 1724 wrote to memory of 2528 1724 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 31 PID 1724 wrote to memory of 2528 1724 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 31 PID 1724 wrote to memory of 2528 1724 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 31 PID 1724 wrote to memory of 2528 1724 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 31 PID 1724 wrote to memory of 2696 1724 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 32 PID 1724 wrote to memory of 2696 1724 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 32 PID 1724 wrote to memory of 2696 1724 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 32 PID 1724 wrote to memory of 2696 1724 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 32 PID 1724 wrote to memory of 1872 1724 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 33 PID 1724 wrote to memory of 1872 1724 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 33 PID 1724 wrote to memory of 1872 1724 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 33 PID 1724 wrote to memory of 1872 1724 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 33 PID 1724 wrote to memory of 2080 1724 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 36 PID 1724 wrote to memory of 2080 1724 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 36 PID 1724 wrote to memory of 2080 1724 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 36 PID 1724 wrote to memory of 2080 1724 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 36 PID 1724 wrote to memory of 3060 1724 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 37 PID 1724 wrote to memory of 3060 1724 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 37 PID 1724 wrote to memory of 3060 1724 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 37 PID 1724 wrote to memory of 3060 1724 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 37 PID 1724 wrote to memory of 588 1724 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 42 PID 1724 wrote to memory of 588 1724 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 42 PID 1724 wrote to memory of 588 1724 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 42 PID 1724 wrote to memory of 588 1724 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 42 PID 1724 wrote to memory of 2924 1724 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 43 PID 1724 wrote to memory of 2924 1724 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 43 PID 1724 wrote to memory of 2924 1724 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 43 PID 1724 wrote to memory of 2924 1724 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 43 PID 2924 wrote to memory of 1076 2924 cmd.exe 45 PID 2924 wrote to memory of 1076 2924 cmd.exe 45 PID 2924 wrote to memory of 1076 2924 cmd.exe 45 PID 2924 wrote to memory of 1076 2924 cmd.exe 45 PID 1724 wrote to memory of 688 1724 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 46 PID 1724 wrote to memory of 688 1724 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 46 PID 1724 wrote to memory of 688 1724 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 46 PID 1724 wrote to memory of 688 1724 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 46 PID 1076 wrote to memory of 540 1076 !WannaDecryptor!.exe 47 PID 1076 wrote to memory of 540 1076 !WannaDecryptor!.exe 47 PID 1076 wrote to memory of 540 1076 !WannaDecryptor!.exe 47 PID 1076 wrote to memory of 540 1076 !WannaDecryptor!.exe 47 PID 540 wrote to memory of 1420 540 cmd.exe 49 PID 540 wrote to memory of 1420 540 cmd.exe 49 PID 540 wrote to memory of 1420 540 cmd.exe 49 PID 540 wrote to memory of 1420 540 cmd.exe 49 PID 540 wrote to memory of 936 540 cmd.exe 51 PID 540 wrote to memory of 936 540 cmd.exe 51 PID 540 wrote to memory of 936 540 cmd.exe 51 PID 540 wrote to memory of 936 540 cmd.exe 51 -
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
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1724 -
C:\Windows\SysWOW64\cmd.execmd /c 319381715396846.bat2⤵
- Suspicious use of WriteProcessMemory
PID:2548 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵
- Loads dropped DLL
PID:2552
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:2528
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2696
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1872
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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:3060
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:588
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C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2924 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1076 -
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:540 -
C:\Windows\SysWOW64\vssadmin.exevssadmin delete shadows /all /quiet5⤵
- Interacts with shadow copies
PID:1420
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C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:936
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe2⤵
- Executes dropped EXE
- Sets desktop wallpaper using registry
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:688
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:776
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
236KB
MD5cf1416074cd7791ab80a18f9e7e219d9
SHA1276d2ec82c518d887a8a3608e51c56fa28716ded
SHA25678e3f87f31688355c0f398317b2d87d803bd87ee3656c5a7c80f0561ec8606df
SHA5120bb0843a90edacaf1407e6a7273a9fbb896701635e4d9467392b7350ad25a1bec0c1ceef36737b4af5e5841936f4891436eded0533aa3d74c9a54efa42f024c5
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Filesize
921B
MD5c1741eadf2731c37da270ca0b24f118e
SHA12db0cec8d8b4c3588a61dae240edc8d9bff2c755
SHA256ec866a2baa5c4e12cd07bb2f2cfd43533939154133ad4f05d7040fb011e9d9b5
SHA51263353c854d69afdae9ab09b821e3258688b2ace24c08af5d4f6dc22285029db2a3395810651f2334823b038eefc1b97423c5e404cb057abc91c746e22561bb5d
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Filesize
136B
MD57259062f2567bb977dd18caf11f56663
SHA16585ac3799b76c7d92b9ddba1771fd5ccd10e6b9
SHA256aa251721ed4623b37294ff207340e3a4bd2ad27bfbf4ed6ecd50347d6e050945
SHA5121a7a62f29b3c3a450893d29d58b7e5530176dfa616e041eff1235d7ea8ecb454c0321ddd86b39b614f206c9df4eadb19cee428b9c5380e9ed8db74cde07f85b3
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Filesize
136B
MD57ce1198c73f670945400668ccc186457
SHA1a08bb3bb4e9e7615f9e1a5547607353847efa0e2
SHA256d26794edac02d69c5698024117d9eb3f6f1324fb0166c1dc579c61ba079ec2d9
SHA512574387b47658950ac78ffde7e0c518aed0bc661851cb3491690af36aa0b42c52a67d10b74359cbcfc4dc36a498bc127a4091e712c4361cfc0ff8aaefa5bd74ce
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Filesize
136B
MD50134c918e8dcbaaa9606a8c1b6a5285e
SHA107f740fd26741085fa13f8c9288aa7df46aea744
SHA256e47e2b62a4461fc3e4d46d1679a0c482fa161b093aedee549d1ddab68ee258c6
SHA51233f19443034178de81d8a6f48006b4a0ea04d97262d4cd1994b58f445ab3a75a4112bc7c7d07acac929ab1fc2a0b452bebb481a1b0d5ca6c3d0e612c3163d1a5
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Filesize
336B
MD53540e056349c6972905dc9706cd49418
SHA1492c20442d34d45a6d6790c720349b11ec591cde
SHA25673872a89440a2cba9d22bf4961c3d499ea2c72979c30c455f942374292fedadc
SHA512c949d147100aef59e382c03abf7b162ae62a4d43456eebd730fbedcf5f95f5e1a24f6e349690d52d75331878a6ee8f6b88a7162ee9cf2a49e142196b12d0133c
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Filesize
219B
MD55f6d40ca3c34b470113ed04d06a88ff4
SHA150629e7211ae43e32060686d6be17ebd492fd7aa
SHA2560fb5039a2fe7e90cdf3f22140d7f2103f94689b15609efe0edcc8430dd772fc1
SHA5124d4aa1abd2c9183202fd3f0a65b37f07ee0166ba6561f094c13c8ea59752c7bdd960e37c49583746d4464bc3b1dc0b63a1fe36a37ce7e5709cd76ed433befe35
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Filesize
628B
MD5db561dfd894a6cd1e71be0da7b13447c
SHA1d6bab08ecff2836229ce3c032b7e97ad5ffc65bb
SHA2566026ed2f18e689a31b9f78530473960ee99dada40cc5d7e54bae7180e4fcfbc7
SHA512297936e33f9e33d87884988d1b995c3b76b0455caeb6dd4594ae4a62077a4bf2d04f16390e1c5650fe77531e9138a3167a4c523277f6c34fb56b04c4bc49ce7f
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Filesize
42KB
MD5980b08bac152aff3f9b0136b616affa5
SHA12a9c9601ea038f790cc29379c79407356a3d25a3
SHA256402046ada270528c9ac38bbfa0152836fe30fb8e12192354e53b8397421430d9
SHA512100cda1f795781042b012498afd783fd6ff03b0068dbd07b2c2e163cd95e6c6e00755ce16b02b017693c9febc149ed02df9df9b607e2b9cca4b07e5bd420f496
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Filesize
797B
MD5afa18cf4aa2660392111763fb93a8c3d
SHA1c219a3654a5f41ce535a09f2a188a464c3f5baf5
SHA256227082c719fd4394c1f2311a0877d8a302c5b092bcc49f853a5cf3d2945f42b0
SHA5124161f250d59b7d4d4a6c4f16639d66d21b2a9606de956d22ec00bedb006643fedbbb8e4cde9f6c0c977285918648314883ca91f3442d1125593bf2605f2d5c6b