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Analysis
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max time kernel
147s -
max time network
133s -
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, 19:09
Static task
static1
Behavioral task
behavioral1
Sample
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
Resource
win7-20240221-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\AppData\Local\Temp\!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 2 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\~SD277.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD27E.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe -
Executes dropped EXE 4 IoCs
pid Process 3216 !WannaDecryptor!.exe 2520 !WannaDecryptor!.exe 2268 !WannaDecryptor!.exe 2852 !WannaDecryptor!.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 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\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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Kills process with taskkill 4 IoCs
pid Process 1284 taskkill.exe 3380 taskkill.exe 2568 taskkill.exe 2972 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 49 IoCs
description pid Process Token: SeDebugPrivilege 3380 taskkill.exe Token: SeDebugPrivilege 2568 taskkill.exe Token: SeDebugPrivilege 2972 taskkill.exe Token: SeDebugPrivilege 1284 taskkill.exe Token: SeIncreaseQuotaPrivilege 4840 WMIC.exe Token: SeSecurityPrivilege 4840 WMIC.exe Token: SeTakeOwnershipPrivilege 4840 WMIC.exe Token: SeLoadDriverPrivilege 4840 WMIC.exe Token: SeSystemProfilePrivilege 4840 WMIC.exe Token: SeSystemtimePrivilege 4840 WMIC.exe Token: SeProfSingleProcessPrivilege 4840 WMIC.exe Token: SeIncBasePriorityPrivilege 4840 WMIC.exe Token: SeCreatePagefilePrivilege 4840 WMIC.exe Token: SeBackupPrivilege 4840 WMIC.exe Token: SeRestorePrivilege 4840 WMIC.exe Token: SeShutdownPrivilege 4840 WMIC.exe Token: SeDebugPrivilege 4840 WMIC.exe Token: SeSystemEnvironmentPrivilege 4840 WMIC.exe Token: SeRemoteShutdownPrivilege 4840 WMIC.exe Token: SeUndockPrivilege 4840 WMIC.exe Token: SeManageVolumePrivilege 4840 WMIC.exe Token: 33 4840 WMIC.exe Token: 34 4840 WMIC.exe Token: 35 4840 WMIC.exe Token: 36 4840 WMIC.exe Token: SeIncreaseQuotaPrivilege 4840 WMIC.exe Token: SeSecurityPrivilege 4840 WMIC.exe Token: SeTakeOwnershipPrivilege 4840 WMIC.exe Token: SeLoadDriverPrivilege 4840 WMIC.exe Token: SeSystemProfilePrivilege 4840 WMIC.exe Token: SeSystemtimePrivilege 4840 WMIC.exe Token: SeProfSingleProcessPrivilege 4840 WMIC.exe Token: SeIncBasePriorityPrivilege 4840 WMIC.exe Token: SeCreatePagefilePrivilege 4840 WMIC.exe Token: SeBackupPrivilege 4840 WMIC.exe Token: SeRestorePrivilege 4840 WMIC.exe Token: SeShutdownPrivilege 4840 WMIC.exe Token: SeDebugPrivilege 4840 WMIC.exe Token: SeSystemEnvironmentPrivilege 4840 WMIC.exe Token: SeRemoteShutdownPrivilege 4840 WMIC.exe Token: SeUndockPrivilege 4840 WMIC.exe Token: SeManageVolumePrivilege 4840 WMIC.exe Token: 33 4840 WMIC.exe Token: 34 4840 WMIC.exe Token: 35 4840 WMIC.exe Token: 36 4840 WMIC.exe Token: SeBackupPrivilege 3300 vssvc.exe Token: SeRestorePrivilege 3300 vssvc.exe Token: SeAuditPrivilege 3300 vssvc.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 3216 !WannaDecryptor!.exe 3216 !WannaDecryptor!.exe 2520 !WannaDecryptor!.exe 2520 !WannaDecryptor!.exe 2268 !WannaDecryptor!.exe 2268 !WannaDecryptor!.exe 2852 !WannaDecryptor!.exe 2852 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 776 wrote to memory of 1252 776 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 89 PID 776 wrote to memory of 1252 776 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 89 PID 776 wrote to memory of 1252 776 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 89 PID 1252 wrote to memory of 1296 1252 cmd.exe 91 PID 1252 wrote to memory of 1296 1252 cmd.exe 91 PID 1252 wrote to memory of 1296 1252 cmd.exe 91 PID 776 wrote to memory of 3216 776 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 95 PID 776 wrote to memory of 3216 776 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 95 PID 776 wrote to memory of 3216 776 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 95 PID 776 wrote to memory of 3380 776 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 97 PID 776 wrote to memory of 3380 776 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 97 PID 776 wrote to memory of 3380 776 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 97 PID 776 wrote to memory of 2568 776 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 98 PID 776 wrote to memory of 2568 776 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 98 PID 776 wrote to memory of 2568 776 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 98 PID 776 wrote to memory of 2972 776 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 99 PID 776 wrote to memory of 2972 776 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 99 PID 776 wrote to memory of 2972 776 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 99 PID 776 wrote to memory of 1284 776 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 100 PID 776 wrote to memory of 1284 776 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 100 PID 776 wrote to memory of 1284 776 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 100 PID 776 wrote to memory of 2520 776 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 112 PID 776 wrote to memory of 2520 776 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 112 PID 776 wrote to memory of 2520 776 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 112 PID 776 wrote to memory of 4304 776 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 113 PID 776 wrote to memory of 4304 776 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 113 PID 776 wrote to memory of 4304 776 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 113 PID 4304 wrote to memory of 2268 4304 cmd.exe 115 PID 4304 wrote to memory of 2268 4304 cmd.exe 115 PID 4304 wrote to memory of 2268 4304 cmd.exe 115 PID 776 wrote to memory of 2852 776 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 116 PID 776 wrote to memory of 2852 776 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 116 PID 776 wrote to memory of 2852 776 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 116 PID 2268 wrote to memory of 212 2268 !WannaDecryptor!.exe 118 PID 2268 wrote to memory of 212 2268 !WannaDecryptor!.exe 118 PID 2268 wrote to memory of 212 2268 !WannaDecryptor!.exe 118 PID 212 wrote to memory of 4840 212 cmd.exe 120 PID 212 wrote to memory of 4840 212 cmd.exe 120 PID 212 wrote to memory of 4840 212 cmd.exe 120 -
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:776 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 298191715627350.bat2⤵
- Suspicious use of WriteProcessMemory
PID:1252 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:1296
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:3216
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3380
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2568
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2972
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1284
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:2520
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C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Suspicious use of WriteProcessMemory
PID:4304 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2268 -
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:212 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:4840
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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:2852
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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 --no-appcompat-clear --field-trial-handle=4244,i,13035806169561352434,1332896185314862791,262144 --variations-seed-version --mojo-platform-channel-handle=4156 /prefetch:81⤵PID:2972
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3300
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
797B
MD5afa18cf4aa2660392111763fb93a8c3d
SHA1c219a3654a5f41ce535a09f2a188a464c3f5baf5
SHA256227082c719fd4394c1f2311a0877d8a302c5b092bcc49f853a5cf3d2945f42b0
SHA5124161f250d59b7d4d4a6c4f16639d66d21b2a9606de956d22ec00bedb006643fedbbb8e4cde9f6c0c977285918648314883ca91f3442d1125593bf2605f2d5c6b
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Filesize
1KB
MD55726ce4fc437ad26c02670549662b66e
SHA1802af406675086373e01ee4db39dc791bffa260a
SHA25644be431281df86fe67358dcd6f75ac8ea836fca4d711d546aa5ad5b114c2b177
SHA512f95d1ff7ee64f81f7d327849c3ee0f9ae805826099e5f376a5e35dbabb8a2392d413b124f91bb541b32beb7e3c8006bf7ed3420a601b94ec58f9729bb293d84e
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Filesize
136B
MD543c564fa7b7b110105d6358aa7bb4661
SHA10f65680df95418967ab4e94efcdbc75c939d7350
SHA256ff71949d44d059322fde4ab56a57b0f3c3956d2f5373489d4936dd855874b8fc
SHA5129b742c962479c4535fcdd16a64505359d5e20fcd5cd86d457901c24e138161920e6b90838305ffe63a1839eef1fe7bd0ff6cf4711a1e7b9c634a89ec7f544a3e
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Filesize
136B
MD5448fe6d0972cec279651909379da970b
SHA1406c9a22977793e1fb8efe273cf732362aae9031
SHA256ef1828fbc7a0706995984b0f542debfdf3ae345db083a7d6b5861052725fb3a7
SHA5128eab004fd05f0ddab83b8956c1011c3ed6a69f4d18c47577f5cb6aa8d94e9a85f893c2c1d0a415bd91a99c4479158e35e218fb70c87d9276dcb3243f5560fe7a
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Filesize
136B
MD54216a117c4b3b2d09bc2708f9686efdf
SHA1141752a90f916cf8581aff407430f6e84a7720b2
SHA256a482ea3f7b82dcedacbccb6e6284b00794f66d86fe18116b9c0d089e5c089349
SHA512b7480fb24c1d8b9230d75c4369ecbc3b1d4ba1fdbc4cea19430e6ca3242804c45e7d974a43087a7cfe37c9c288599e8837221bcdc5b3b1f0584d7449f3c5fcad
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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
MD559c748aeb116dbba5ef7c39a8f3bff07
SHA1e1485516aaab53a95377a3ce0fd993f2516487b9
SHA25616bc6e04d9ad29230798ad6e2bc4e6c809b3df9221b868228b1c0ac247fc0852
SHA512174b6cb7e6818e0222786ea4ab14cc984debe9f368b8aae099221b670a065074447c36bbd4e9481d9cd5bc61b673c9461c9b8e05d5670f5242473bd7b33eb83d
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Filesize
42KB
MD5980b08bac152aff3f9b0136b616affa5
SHA12a9c9601ea038f790cc29379c79407356a3d25a3
SHA256402046ada270528c9ac38bbfa0152836fe30fb8e12192354e53b8397421430d9
SHA512100cda1f795781042b012498afd783fd6ff03b0068dbd07b2c2e163cd95e6c6e00755ce16b02b017693c9febc149ed02df9df9b607e2b9cca4b07e5bd420f496
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Filesize
236KB
MD5cf1416074cd7791ab80a18f9e7e219d9
SHA1276d2ec82c518d887a8a3608e51c56fa28716ded
SHA25678e3f87f31688355c0f398317b2d87d803bd87ee3656c5a7c80f0561ec8606df
SHA5120bb0843a90edacaf1407e6a7273a9fbb896701635e4d9467392b7350ad25a1bec0c1ceef36737b4af5e5841936f4891436eded0533aa3d74c9a54efa42f024c5