Analysis
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max time kernel
146s -
max time network
109s -
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, 03:06
Static task
static1
Behavioral task
behavioral1
Sample
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
Resource
win10v2004-20240426-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\~SD432E.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD4345.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe -
Executes dropped EXE 4 IoCs
pid Process 2512 !WannaDecryptor!.exe 4392 !WannaDecryptor!.exe 3128 !WannaDecryptor!.exe 4712 !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-1-5-21-3906287020-2915474608-1755617787-1000\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 3668 taskkill.exe 2104 taskkill.exe 4132 taskkill.exe 4796 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 49 IoCs
description pid Process Token: SeDebugPrivilege 2104 taskkill.exe Token: SeDebugPrivilege 3668 taskkill.exe Token: SeDebugPrivilege 4132 taskkill.exe Token: SeDebugPrivilege 4796 taskkill.exe Token: SeIncreaseQuotaPrivilege 3496 WMIC.exe Token: SeSecurityPrivilege 3496 WMIC.exe Token: SeTakeOwnershipPrivilege 3496 WMIC.exe Token: SeLoadDriverPrivilege 3496 WMIC.exe Token: SeSystemProfilePrivilege 3496 WMIC.exe Token: SeSystemtimePrivilege 3496 WMIC.exe Token: SeProfSingleProcessPrivilege 3496 WMIC.exe Token: SeIncBasePriorityPrivilege 3496 WMIC.exe Token: SeCreatePagefilePrivilege 3496 WMIC.exe Token: SeBackupPrivilege 3496 WMIC.exe Token: SeRestorePrivilege 3496 WMIC.exe Token: SeShutdownPrivilege 3496 WMIC.exe Token: SeDebugPrivilege 3496 WMIC.exe Token: SeSystemEnvironmentPrivilege 3496 WMIC.exe Token: SeRemoteShutdownPrivilege 3496 WMIC.exe Token: SeUndockPrivilege 3496 WMIC.exe Token: SeManageVolumePrivilege 3496 WMIC.exe Token: 33 3496 WMIC.exe Token: 34 3496 WMIC.exe Token: 35 3496 WMIC.exe Token: 36 3496 WMIC.exe Token: SeIncreaseQuotaPrivilege 3496 WMIC.exe Token: SeSecurityPrivilege 3496 WMIC.exe Token: SeTakeOwnershipPrivilege 3496 WMIC.exe Token: SeLoadDriverPrivilege 3496 WMIC.exe Token: SeSystemProfilePrivilege 3496 WMIC.exe Token: SeSystemtimePrivilege 3496 WMIC.exe Token: SeProfSingleProcessPrivilege 3496 WMIC.exe Token: SeIncBasePriorityPrivilege 3496 WMIC.exe Token: SeCreatePagefilePrivilege 3496 WMIC.exe Token: SeBackupPrivilege 3496 WMIC.exe Token: SeRestorePrivilege 3496 WMIC.exe Token: SeShutdownPrivilege 3496 WMIC.exe Token: SeDebugPrivilege 3496 WMIC.exe Token: SeSystemEnvironmentPrivilege 3496 WMIC.exe Token: SeRemoteShutdownPrivilege 3496 WMIC.exe Token: SeUndockPrivilege 3496 WMIC.exe Token: SeManageVolumePrivilege 3496 WMIC.exe Token: 33 3496 WMIC.exe Token: 34 3496 WMIC.exe Token: 35 3496 WMIC.exe Token: 36 3496 WMIC.exe Token: SeBackupPrivilege 1072 vssvc.exe Token: SeRestorePrivilege 1072 vssvc.exe Token: SeAuditPrivilege 1072 vssvc.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 2512 !WannaDecryptor!.exe 2512 !WannaDecryptor!.exe 4392 !WannaDecryptor!.exe 4392 !WannaDecryptor!.exe 3128 !WannaDecryptor!.exe 3128 !WannaDecryptor!.exe 4712 !WannaDecryptor!.exe 4712 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 4268 wrote to memory of 4684 4268 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 83 PID 4268 wrote to memory of 4684 4268 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 83 PID 4268 wrote to memory of 4684 4268 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 83 PID 4684 wrote to memory of 3448 4684 cmd.exe 85 PID 4684 wrote to memory of 3448 4684 cmd.exe 85 PID 4684 wrote to memory of 3448 4684 cmd.exe 85 PID 4268 wrote to memory of 2512 4268 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 89 PID 4268 wrote to memory of 2512 4268 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 89 PID 4268 wrote to memory of 2512 4268 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 89 PID 4268 wrote to memory of 3668 4268 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 90 PID 4268 wrote to memory of 3668 4268 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 90 PID 4268 wrote to memory of 3668 4268 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 90 PID 4268 wrote to memory of 2104 4268 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 91 PID 4268 wrote to memory of 2104 4268 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 91 PID 4268 wrote to memory of 2104 4268 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 91 PID 4268 wrote to memory of 4132 4268 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 92 PID 4268 wrote to memory of 4132 4268 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 92 PID 4268 wrote to memory of 4132 4268 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 92 PID 4268 wrote to memory of 4796 4268 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 93 PID 4268 wrote to memory of 4796 4268 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 93 PID 4268 wrote to memory of 4796 4268 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 93 PID 4268 wrote to memory of 4392 4268 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 107 PID 4268 wrote to memory of 4392 4268 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 107 PID 4268 wrote to memory of 4392 4268 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 107 PID 4268 wrote to memory of 4324 4268 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 108 PID 4268 wrote to memory of 4324 4268 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 108 PID 4268 wrote to memory of 4324 4268 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 108 PID 4324 wrote to memory of 3128 4324 cmd.exe 110 PID 4324 wrote to memory of 3128 4324 cmd.exe 110 PID 4324 wrote to memory of 3128 4324 cmd.exe 110 PID 4268 wrote to memory of 4712 4268 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 114 PID 4268 wrote to memory of 4712 4268 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 114 PID 4268 wrote to memory of 4712 4268 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 114 PID 3128 wrote to memory of 3104 3128 !WannaDecryptor!.exe 115 PID 3128 wrote to memory of 3104 3128 !WannaDecryptor!.exe 115 PID 3128 wrote to memory of 3104 3128 !WannaDecryptor!.exe 115 PID 3104 wrote to memory of 3496 3104 cmd.exe 117 PID 3104 wrote to memory of 3496 3104 cmd.exe 117 PID 3104 wrote to memory of 3496 3104 cmd.exe 117 -
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:4268 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 22041715396794.bat2⤵
- Suspicious use of WriteProcessMemory
PID:4684 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:3448
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:2512
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3668
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2104
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4132
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4796
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:4392
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C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Suspicious use of WriteProcessMemory
PID:4324 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3128 -
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:3104 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:3496
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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:4712
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1072
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
797B
MD5afa18cf4aa2660392111763fb93a8c3d
SHA1c219a3654a5f41ce535a09f2a188a464c3f5baf5
SHA256227082c719fd4394c1f2311a0877d8a302c5b092bcc49f853a5cf3d2945f42b0
SHA5124161f250d59b7d4d4a6c4f16639d66d21b2a9606de956d22ec00bedb006643fedbbb8e4cde9f6c0c977285918648314883ca91f3442d1125593bf2605f2d5c6b
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Filesize
1KB
MD5d300553ae30491973a1a9e684710ece5
SHA17c6bcc4f6cd540f97584be9f6a1b451159f18647
SHA256341dceb0a36ca57dbb217e8265ab5a1813848a4b8a19965223202b3d3430622f
SHA51269fca95731c70e68b7430e8935cb999ce094bc44bca9f288305f971be3bef011789916ace3a45186863ef087a7f98d0bdde6ed16350e5c602ad00e5ac637d74e
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Filesize
136B
MD577aa8a1f26b9c50dd41b2ecb11880101
SHA180e250b25082fe3b718a0b369c90b645f680120e
SHA256b6661245113a2457f9068527e307ed90ead583a77edb003067bd38606f3d2224
SHA5120de17217df605d06c5fc4ea7555b088100ce469b4f8406ed25f42ba114e5a408168a963b6aa2197525b7e192129997fa1e6adc501ce4dade9e59f8c78deba4d1
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Filesize
136B
MD5f44092087b0ed554651196c4ab12555a
SHA1f8cef7ac0808b75370d3760bf5d80a3cc9c99d29
SHA256a8f588d2a9d36136f42dd622e9e9bfb1725a5f4c884550b6bf696f572a3fb92b
SHA5125d3a6fd119150bc7b8eb12e5b5945bfd4767a156b01b34b2b480cbe1d7a2ec36a9549b9d9eec611e383e704b08d8aa1130a3bc767c41c0a9bd43b69914094e60
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Filesize
136B
MD5419649743acf327d77cc41773d3d7996
SHA1bbae0e6ab33d444a0d431ce7d8e97265ab0cf387
SHA2562d12e461665a341366ffc9742a0144ea1fa2383d5fa7a9f02fd9dd91e7c77d91
SHA5125f226724b282a4d633424ce79bd7d24dcfc90ac2ea63691619b82ec17bbfaaa8948a5b1443745396160840e97d990cd3930cf7031c1c1557dc3a98dddcf584f5
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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
MD59a093a1e46ec5a6ad85594160e2158b0
SHA1609901dc1059392acd52c56279e1f264d2cb4845
SHA25665e799368c0175852c90a2aedf000b02e1bf6edf57acd33e47a3485f418c3519
SHA512a211a5069cd02e3937e46f0ff23f2f0dabbd1e27310d43ee27e6e608fef8f4ebf9986687be14968c6a1dd5a00e68e2262e7a6c72ad53b73018fc160b9e17fad6
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Filesize
42KB
MD5980b08bac152aff3f9b0136b616affa5
SHA12a9c9601ea038f790cc29379c79407356a3d25a3
SHA256402046ada270528c9ac38bbfa0152836fe30fb8e12192354e53b8397421430d9
SHA512100cda1f795781042b012498afd783fd6ff03b0068dbd07b2c2e163cd95e6c6e00755ce16b02b017693c9febc149ed02df9df9b607e2b9cca4b07e5bd420f496
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Filesize
236KB
MD5cf1416074cd7791ab80a18f9e7e219d9
SHA1276d2ec82c518d887a8a3608e51c56fa28716ded
SHA25678e3f87f31688355c0f398317b2d87d803bd87ee3656c5a7c80f0561ec8606df
SHA5120bb0843a90edacaf1407e6a7273a9fbb896701635e4d9467392b7350ad25a1bec0c1ceef36737b4af5e5841936f4891436eded0533aa3d74c9a54efa42f024c5