Analysis
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max time kernel
292s -
max time network
260s -
platform
windows10-ltsc 2021_x64 -
resource
win10ltsc2021-20241211-en -
resource tags
arch:x64arch:x86image:win10ltsc2021-20241211-enlocale:en-usos:windows10-ltsc 2021-x64system -
submitted
12-01-2025 18:19
Static task
static1
Behavioral task
behavioral1
Sample
WannaCry.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral2
Sample
WannaCry.exe
Resource
win10ltsc2021-20241211-en
Behavioral task
behavioral3
Sample
WannaCry.exe
Resource
win11-20241023-en
General
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Target
WannaCry.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\AppData\Local\Temp\!Please Read Me!.txt
wannacry
15zGqZCTcys6eCjDkE3DypCjXi6QWRV6V1
Signatures
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Wannacry
WannaCry is a ransomware cryptoworm.
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Wannacry family
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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 2 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\~SD4DDD.tmp WannaCry.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD4E03.tmp WannaCry.exe -
Executes dropped EXE 4 IoCs
pid Process 4524 !WannaDecryptor!.exe 2768 !WannaDecryptor!.exe 5108 !WannaDecryptor!.exe 1712 !WannaDecryptor!.exe -
Reads user/profile data of web browsers 3 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\\WannaCry.exe\" /r" WannaCry.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1411052346-3904498293-150013998-1000\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).
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System Location Discovery: System Language Discovery 1 TTPs 14 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language taskkill.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language taskkill.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WMIC.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language !WannaDecryptor!.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WannaCry.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language taskkill.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language !WannaDecryptor!.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cscript.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language !WannaDecryptor!.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language taskkill.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language !WannaDecryptor!.exe -
Kills process with taskkill 4 IoCs
pid Process 2100 taskkill.exe 2808 taskkill.exe 1756 taskkill.exe 4688 taskkill.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1632 WMIC.exe 1632 WMIC.exe 1632 WMIC.exe 1632 WMIC.exe -
Suspicious use of AdjustPrivilegeToken 49 IoCs
description pid Process Token: SeDebugPrivilege 1756 taskkill.exe Token: SeDebugPrivilege 2808 taskkill.exe Token: SeDebugPrivilege 2100 taskkill.exe Token: SeDebugPrivilege 4688 taskkill.exe Token: SeIncreaseQuotaPrivilege 1632 WMIC.exe Token: SeSecurityPrivilege 1632 WMIC.exe Token: SeTakeOwnershipPrivilege 1632 WMIC.exe Token: SeLoadDriverPrivilege 1632 WMIC.exe Token: SeSystemProfilePrivilege 1632 WMIC.exe Token: SeSystemtimePrivilege 1632 WMIC.exe Token: SeProfSingleProcessPrivilege 1632 WMIC.exe Token: SeIncBasePriorityPrivilege 1632 WMIC.exe Token: SeCreatePagefilePrivilege 1632 WMIC.exe Token: SeBackupPrivilege 1632 WMIC.exe Token: SeRestorePrivilege 1632 WMIC.exe Token: SeShutdownPrivilege 1632 WMIC.exe Token: SeDebugPrivilege 1632 WMIC.exe Token: SeSystemEnvironmentPrivilege 1632 WMIC.exe Token: SeRemoteShutdownPrivilege 1632 WMIC.exe Token: SeUndockPrivilege 1632 WMIC.exe Token: SeManageVolumePrivilege 1632 WMIC.exe Token: 33 1632 WMIC.exe Token: 34 1632 WMIC.exe Token: 35 1632 WMIC.exe Token: 36 1632 WMIC.exe Token: SeIncreaseQuotaPrivilege 1632 WMIC.exe Token: SeSecurityPrivilege 1632 WMIC.exe Token: SeTakeOwnershipPrivilege 1632 WMIC.exe Token: SeLoadDriverPrivilege 1632 WMIC.exe Token: SeSystemProfilePrivilege 1632 WMIC.exe Token: SeSystemtimePrivilege 1632 WMIC.exe Token: SeProfSingleProcessPrivilege 1632 WMIC.exe Token: SeIncBasePriorityPrivilege 1632 WMIC.exe Token: SeCreatePagefilePrivilege 1632 WMIC.exe Token: SeBackupPrivilege 1632 WMIC.exe Token: SeRestorePrivilege 1632 WMIC.exe Token: SeShutdownPrivilege 1632 WMIC.exe Token: SeDebugPrivilege 1632 WMIC.exe Token: SeSystemEnvironmentPrivilege 1632 WMIC.exe Token: SeRemoteShutdownPrivilege 1632 WMIC.exe Token: SeUndockPrivilege 1632 WMIC.exe Token: SeManageVolumePrivilege 1632 WMIC.exe Token: 33 1632 WMIC.exe Token: 34 1632 WMIC.exe Token: 35 1632 WMIC.exe Token: 36 1632 WMIC.exe Token: SeBackupPrivilege 1392 vssvc.exe Token: SeRestorePrivilege 1392 vssvc.exe Token: SeAuditPrivilege 1392 vssvc.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 4524 !WannaDecryptor!.exe 4524 !WannaDecryptor!.exe 2768 !WannaDecryptor!.exe 2768 !WannaDecryptor!.exe 5108 !WannaDecryptor!.exe 5108 !WannaDecryptor!.exe 1712 !WannaDecryptor!.exe 1712 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 3748 wrote to memory of 1100 3748 WannaCry.exe 90 PID 3748 wrote to memory of 1100 3748 WannaCry.exe 90 PID 3748 wrote to memory of 1100 3748 WannaCry.exe 90 PID 1100 wrote to memory of 2004 1100 cmd.exe 92 PID 1100 wrote to memory of 2004 1100 cmd.exe 92 PID 1100 wrote to memory of 2004 1100 cmd.exe 92 PID 3748 wrote to memory of 4524 3748 WannaCry.exe 93 PID 3748 wrote to memory of 4524 3748 WannaCry.exe 93 PID 3748 wrote to memory of 4524 3748 WannaCry.exe 93 PID 3748 wrote to memory of 2100 3748 WannaCry.exe 94 PID 3748 wrote to memory of 2100 3748 WannaCry.exe 94 PID 3748 wrote to memory of 2100 3748 WannaCry.exe 94 PID 3748 wrote to memory of 2808 3748 WannaCry.exe 95 PID 3748 wrote to memory of 2808 3748 WannaCry.exe 95 PID 3748 wrote to memory of 2808 3748 WannaCry.exe 95 PID 3748 wrote to memory of 1756 3748 WannaCry.exe 96 PID 3748 wrote to memory of 1756 3748 WannaCry.exe 96 PID 3748 wrote to memory of 1756 3748 WannaCry.exe 96 PID 3748 wrote to memory of 4688 3748 WannaCry.exe 97 PID 3748 wrote to memory of 4688 3748 WannaCry.exe 97 PID 3748 wrote to memory of 4688 3748 WannaCry.exe 97 PID 3748 wrote to memory of 2768 3748 WannaCry.exe 106 PID 3748 wrote to memory of 2768 3748 WannaCry.exe 106 PID 3748 wrote to memory of 2768 3748 WannaCry.exe 106 PID 3748 wrote to memory of 3740 3748 WannaCry.exe 107 PID 3748 wrote to memory of 3740 3748 WannaCry.exe 107 PID 3748 wrote to memory of 3740 3748 WannaCry.exe 107 PID 3740 wrote to memory of 5108 3740 cmd.exe 109 PID 3740 wrote to memory of 5108 3740 cmd.exe 109 PID 3740 wrote to memory of 5108 3740 cmd.exe 109 PID 3748 wrote to memory of 1712 3748 WannaCry.exe 111 PID 3748 wrote to memory of 1712 3748 WannaCry.exe 111 PID 3748 wrote to memory of 1712 3748 WannaCry.exe 111 PID 5108 wrote to memory of 2520 5108 !WannaDecryptor!.exe 112 PID 5108 wrote to memory of 2520 5108 !WannaDecryptor!.exe 112 PID 5108 wrote to memory of 2520 5108 !WannaDecryptor!.exe 112 PID 2520 wrote to memory of 1632 2520 cmd.exe 114 PID 2520 wrote to memory of 1632 2520 cmd.exe 114 PID 2520 wrote to memory of 1632 2520 cmd.exe 114 -
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\WannaCry.exe"C:\Users\Admin\AppData\Local\Temp\WannaCry.exe"1⤵
- Drops startup file
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3748 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 240301736705991.bat2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1100 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵
- System Location Discovery: System Language Discovery
PID:2004
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:4524
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2100
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2808
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1756
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4688
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:2768
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C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3740 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5108 -
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⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2520 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1632
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe2⤵
- Executes dropped EXE
- Sets desktop wallpaper using registry
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:1712
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --string-annotations=is-enterprise-managed=no --field-trial-handle=5280,i,14051770743434628540,18132247866055307325,262144 --variations-seed-version --mojo-platform-channel-handle=4004 /prefetch:81⤵PID:1916
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1392
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --string-annotations=is-enterprise-managed=no --field-trial-handle=3228,i,14051770743434628540,18132247866055307325,262144 --variations-seed-version --mojo-platform-channel-handle=3056 /prefetch:81⤵PID:1532
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
797B
MD5afa18cf4aa2660392111763fb93a8c3d
SHA1c219a3654a5f41ce535a09f2a188a464c3f5baf5
SHA256227082c719fd4394c1f2311a0877d8a302c5b092bcc49f853a5cf3d2945f42b0
SHA5124161f250d59b7d4d4a6c4f16639d66d21b2a9606de956d22ec00bedb006643fedbbb8e4cde9f6c0c977285918648314883ca91f3442d1125593bf2605f2d5c6b
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Filesize
236KB
MD5cf1416074cd7791ab80a18f9e7e219d9
SHA1276d2ec82c518d887a8a3608e51c56fa28716ded
SHA25678e3f87f31688355c0f398317b2d87d803bd87ee3656c5a7c80f0561ec8606df
SHA5120bb0843a90edacaf1407e6a7273a9fbb896701635e4d9467392b7350ad25a1bec0c1ceef36737b4af5e5841936f4891436eded0533aa3d74c9a54efa42f024c5
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Filesize
1KB
MD5bf9365d4cb62ca5c082aeb83e34a72d5
SHA176c222a484b81eed92a9578e5ae0b6139d867e8d
SHA2562721b95efd03a83878f1ebdea7645e1bbc3059336dffc2133323e91049e215c8
SHA512f433daaf6b3ab83c7e56037b3e057ab1b4fb115b36149507eecd2fa1d9270102f8d4eea9d29d10d57e7192ecdda204aed5519b1e3c3b426c8752dd2f4b4bec31
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Filesize
136B
MD526e3bb8fbb370e4cbcae5ca2f0320c0a
SHA172fe622e13b7e25eaad56fe61bd93c25ff302782
SHA2563f6b362a8eeeb368af5a86356b09a20b4a4db77698590b639a3e03a6a94ec417
SHA512156c5bae90a3089b44fcc942b1108738d9a47a6718e6d3f12dfedbb0e8545481f9ab2c2abda7af7e92ac023902d29bb37260d62d78e7d4a14c2c20d6651d0c7c
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Filesize
136B
MD56e4bc86eaa8798b714c37d7c8763bea1
SHA1646e137d78988f6d19ee293079874b97de655efd
SHA25685cccac4ac65f2156c4ae62bd6a32d2d4391f2fb5b606cfd04c8583ba2438579
SHA512a25156c55f53ef93ac10613420ef09e221534c63ea5c06708c13cf12446a425c7936e5ae3d2a8b970cbc937a6489ad4eaa316db6754fa226d4fbcb998860b437
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Filesize
136B
MD53e2b71cc073703630854942ce6281470
SHA166cb36fe6308003c731261e4d3861864b0c3858c
SHA256fa11e91bee4a8af1cf4776ad4ec4dccf6746bf7db40bd480397146b4b727ddfe
SHA5122add2965ed7b4021d48fd0c86ef943899026106fece807d488f1f73c1ffeb319c6a269d3b1e49ddab1016b7a2353eb9e2e942c963f0b510899ac64b6d60161fe
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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
MD575ebeeb53779b22385867ef4b9f4a6d0
SHA19a7f8f15676a2738bf1225c747896f6699b9143f
SHA25697646ed605ca2db96602663473390fe2d7e17d861dc5382bfb0c978cc121b2cb
SHA512b1cc9d68be5b634165ef8cb9a205ee5feb512b82a4bb3cc1b730c944684d8506155ed085bbefb22667a1cf557b7274cb61868899f2b85b27e0b02b8ba682fae0
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Filesize
42KB
MD5980b08bac152aff3f9b0136b616affa5
SHA12a9c9601ea038f790cc29379c79407356a3d25a3
SHA256402046ada270528c9ac38bbfa0152836fe30fb8e12192354e53b8397421430d9
SHA512100cda1f795781042b012498afd783fd6ff03b0068dbd07b2c2e163cd95e6c6e00755ce16b02b017693c9febc149ed02df9df9b607e2b9cca4b07e5bd420f496