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Analysis
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max time kernel
148s -
max time network
160s -
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, 19:05
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\~SDA9A6.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SDA9BC.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe -
Executes dropped EXE 4 IoCs
pid Process 2076 !WannaDecryptor!.exe 4456 !WannaDecryptor!.exe 3336 !WannaDecryptor!.exe 2236 !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-1-5-21-4124900551-4068476067-3491212533-1000\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 4600 taskkill.exe 3296 taskkill.exe 4268 taskkill.exe 1612 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 7 IoCs
description pid Process Token: SeDebugPrivilege 4600 taskkill.exe Token: SeDebugPrivilege 1612 taskkill.exe Token: SeDebugPrivilege 4268 taskkill.exe Token: SeDebugPrivilege 3296 taskkill.exe Token: SeBackupPrivilege 2760 vssvc.exe Token: SeRestorePrivilege 2760 vssvc.exe Token: SeAuditPrivilege 2760 vssvc.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 2076 !WannaDecryptor!.exe 2076 !WannaDecryptor!.exe 4456 !WannaDecryptor!.exe 4456 !WannaDecryptor!.exe 3336 !WannaDecryptor!.exe 3336 !WannaDecryptor!.exe 2236 !WannaDecryptor!.exe 2236 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 1812 wrote to memory of 4040 1812 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 82 PID 1812 wrote to memory of 4040 1812 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 82 PID 1812 wrote to memory of 4040 1812 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 82 PID 4040 wrote to memory of 3604 4040 cmd.exe 84 PID 4040 wrote to memory of 3604 4040 cmd.exe 84 PID 4040 wrote to memory of 3604 4040 cmd.exe 84 PID 1812 wrote to memory of 2076 1812 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 88 PID 1812 wrote to memory of 2076 1812 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 88 PID 1812 wrote to memory of 2076 1812 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 88 PID 1812 wrote to memory of 4600 1812 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 89 PID 1812 wrote to memory of 4600 1812 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 89 PID 1812 wrote to memory of 4600 1812 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 89 PID 1812 wrote to memory of 1612 1812 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 90 PID 1812 wrote to memory of 1612 1812 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 90 PID 1812 wrote to memory of 1612 1812 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 90 PID 1812 wrote to memory of 4268 1812 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 91 PID 1812 wrote to memory of 4268 1812 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 91 PID 1812 wrote to memory of 4268 1812 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 91 PID 1812 wrote to memory of 3296 1812 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 92 PID 1812 wrote to memory of 3296 1812 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 92 PID 1812 wrote to memory of 3296 1812 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 92 PID 1812 wrote to memory of 4456 1812 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 103 PID 1812 wrote to memory of 4456 1812 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 103 PID 1812 wrote to memory of 4456 1812 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 103 PID 1812 wrote to memory of 1944 1812 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 104 PID 1812 wrote to memory of 1944 1812 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 104 PID 1812 wrote to memory of 1944 1812 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 104 PID 1944 wrote to memory of 3336 1944 cmd.exe 106 PID 1944 wrote to memory of 3336 1944 cmd.exe 106 PID 1944 wrote to memory of 3336 1944 cmd.exe 106 PID 1812 wrote to memory of 2236 1812 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 108 PID 1812 wrote to memory of 2236 1812 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 108 PID 1812 wrote to memory of 2236 1812 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 108 PID 3336 wrote to memory of 1932 3336 !WannaDecryptor!.exe 109 PID 3336 wrote to memory of 1932 3336 !WannaDecryptor!.exe 109 PID 3336 wrote to memory of 1932 3336 !WannaDecryptor!.exe 109 PID 1932 wrote to memory of 380 1932 cmd.exe 111 PID 1932 wrote to memory of 380 1932 cmd.exe 111 PID 1932 wrote to memory of 380 1932 cmd.exe 111 -
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:1812 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 149901715627159.bat2⤵
- Suspicious use of WriteProcessMemory
PID:4040 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:3604
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:2076
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4600
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1612
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4268
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3296
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:4456
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C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Suspicious use of WriteProcessMemory
PID:1944 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3336 -
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:1932 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵PID:380
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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:2236
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2760
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
MD5799bad582d47f18cef1ae45d7854a3fe
SHA1b66a002af89b0335e47ff99d7022e7dda2b31a54
SHA25626e9a191416bdf861d56f3723fe57729a969f5ca46dd399dbf7b96d917075f68
SHA5126d986f3f8f59fa3e8fa186a96b9a3c67d0579dc800c5f3f4bcc7f86a4867a7f0d3b7ce550527ca078fd30a0bd99eb91ea4f58b47912558ab4287f7f8c31b50f7
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Filesize
136B
MD51d92dd22cb4956e66660ed67f8218295
SHA112cfec3b3dd283d24055656b2cc6522d1fceef06
SHA256295c51348f4a7be542cb37dc247aa0c67895904c17fc685bec22806edb8fab05
SHA51266cce1238f62dfb571f78d0fbf4f0b12fde0fddef38473d69e87625ebda00d4e9d2ebf242d9fd19b8933e44de44e0dbb1ce27ef0427954e597e041625270f9e5
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Filesize
136B
MD5de9521560c1236ab1cee1e6e4b4bf616
SHA12eb72b27bde7603eb587367f61ea7e1314ab9e34
SHA25690eedd2d9e423bef803f56f4736039a9569d748c9b5aa95835529e43ae0b2d75
SHA5124b2c0c1acb08dbdce66f61415f5e754e63c62fdeaafa0d082e95e8e63ddca4a5f37f49c4c220012ad57885c2b44a641c8e080e55873fc917e63b3c7b23328e1b
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Filesize
136B
MD5349c5ecd2817fb617a4650e65c071f3d
SHA17ce08ab67f8f0fa173ae566cb0f19f01fdf70c27
SHA256ba1aac1fa60d20e077f37d037ba8851107825d3d737259632307863b4cc7e56e
SHA51224c38420ea0c0807ac379e38f9a67d364ab14439d760c5b272c7d00f224c187d66e9b4d5c4ecef94df75eff68151b54a9d9e7aace98027bbe86ae76d5a6d2754
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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
MD50ee6b141a4108a66a92a4627334d1b8d
SHA1a9bc7107b1637464c3473d95b0e74767c81fedc1
SHA256bd53eef5457d25a03eaa6392b788ceb253d7ba0b8172f610b0e2ac6b1d187d13
SHA512ce94c20b0e71095c781667a70b06891348ccfae6c2a0d50ae022ade74fd51610a9f78dc6898ea95411cfe237d6efabc3f09d8e4debd6741807dc25de9be1dc33
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Filesize
42KB
MD5980b08bac152aff3f9b0136b616affa5
SHA12a9c9601ea038f790cc29379c79407356a3d25a3
SHA256402046ada270528c9ac38bbfa0152836fe30fb8e12192354e53b8397421430d9
SHA512100cda1f795781042b012498afd783fd6ff03b0068dbd07b2c2e163cd95e6c6e00755ce16b02b017693c9febc149ed02df9df9b607e2b9cca4b07e5bd420f496
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Filesize
236KB
MD5cf1416074cd7791ab80a18f9e7e219d9
SHA1276d2ec82c518d887a8a3608e51c56fa28716ded
SHA25678e3f87f31688355c0f398317b2d87d803bd87ee3656c5a7c80f0561ec8606df
SHA5120bb0843a90edacaf1407e6a7273a9fbb896701635e4d9467392b7350ad25a1bec0c1ceef36737b4af5e5841936f4891436eded0533aa3d74c9a54efa42f024c5