Analysis
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max time kernel
148s -
max time network
110s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
13-05-2024 19:05
Static task
static1
Behavioral task
behavioral1
Sample
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
Resource
win10v2004-20240426-en
General
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Target
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
-
Size
224KB
-
MD5
5c7fb0927db37372da25f270708103a2
-
SHA1
120ed9279d85cbfa56e5b7779ffa7162074f7a29
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SHA256
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844
-
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
Processes:
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exedescription ioc process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD6BAD.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\~SD6B96.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe -
Executes dropped EXE 4 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 5072 !WannaDecryptor!.exe 2956 !WannaDecryptor!.exe 2428 !WannaDecryptor!.exe 820 !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
Processes:
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exedescription 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
Processes:
!WannaDecryptor!.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\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
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exepid process 4692 taskkill.exe 3640 taskkill.exe 2636 taskkill.exe 3308 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 49 IoCs
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exeWMIC.exevssvc.exedescription pid process Token: SeDebugPrivilege 4692 taskkill.exe Token: SeDebugPrivilege 2636 taskkill.exe Token: SeDebugPrivilege 3640 taskkill.exe Token: SeDebugPrivilege 3308 taskkill.exe Token: SeIncreaseQuotaPrivilege 760 WMIC.exe Token: SeSecurityPrivilege 760 WMIC.exe Token: SeTakeOwnershipPrivilege 760 WMIC.exe Token: SeLoadDriverPrivilege 760 WMIC.exe Token: SeSystemProfilePrivilege 760 WMIC.exe Token: SeSystemtimePrivilege 760 WMIC.exe Token: SeProfSingleProcessPrivilege 760 WMIC.exe Token: SeIncBasePriorityPrivilege 760 WMIC.exe Token: SeCreatePagefilePrivilege 760 WMIC.exe Token: SeBackupPrivilege 760 WMIC.exe Token: SeRestorePrivilege 760 WMIC.exe Token: SeShutdownPrivilege 760 WMIC.exe Token: SeDebugPrivilege 760 WMIC.exe Token: SeSystemEnvironmentPrivilege 760 WMIC.exe Token: SeRemoteShutdownPrivilege 760 WMIC.exe Token: SeUndockPrivilege 760 WMIC.exe Token: SeManageVolumePrivilege 760 WMIC.exe Token: 33 760 WMIC.exe Token: 34 760 WMIC.exe Token: 35 760 WMIC.exe Token: 36 760 WMIC.exe Token: SeIncreaseQuotaPrivilege 760 WMIC.exe Token: SeSecurityPrivilege 760 WMIC.exe Token: SeTakeOwnershipPrivilege 760 WMIC.exe Token: SeLoadDriverPrivilege 760 WMIC.exe Token: SeSystemProfilePrivilege 760 WMIC.exe Token: SeSystemtimePrivilege 760 WMIC.exe Token: SeProfSingleProcessPrivilege 760 WMIC.exe Token: SeIncBasePriorityPrivilege 760 WMIC.exe Token: SeCreatePagefilePrivilege 760 WMIC.exe Token: SeBackupPrivilege 760 WMIC.exe Token: SeRestorePrivilege 760 WMIC.exe Token: SeShutdownPrivilege 760 WMIC.exe Token: SeDebugPrivilege 760 WMIC.exe Token: SeSystemEnvironmentPrivilege 760 WMIC.exe Token: SeRemoteShutdownPrivilege 760 WMIC.exe Token: SeUndockPrivilege 760 WMIC.exe Token: SeManageVolumePrivilege 760 WMIC.exe Token: 33 760 WMIC.exe Token: 34 760 WMIC.exe Token: 35 760 WMIC.exe Token: 36 760 WMIC.exe Token: SeBackupPrivilege 3852 vssvc.exe Token: SeRestorePrivilege 3852 vssvc.exe Token: SeAuditPrivilege 3852 vssvc.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 5072 !WannaDecryptor!.exe 5072 !WannaDecryptor!.exe 2956 !WannaDecryptor!.exe 2956 !WannaDecryptor!.exe 2428 !WannaDecryptor!.exe 2428 !WannaDecryptor!.exe 820 !WannaDecryptor!.exe 820 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 39 IoCs
Processes:
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.execmd.execmd.exe!WannaDecryptor!.execmd.exedescription pid process target process PID 4992 wrote to memory of 1476 4992 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4992 wrote to memory of 1476 4992 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4992 wrote to memory of 1476 4992 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 1476 wrote to memory of 3204 1476 cmd.exe cscript.exe PID 1476 wrote to memory of 3204 1476 cmd.exe cscript.exe PID 1476 wrote to memory of 3204 1476 cmd.exe cscript.exe PID 4992 wrote to memory of 5072 4992 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4992 wrote to memory of 5072 4992 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4992 wrote to memory of 5072 4992 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4992 wrote to memory of 4692 4992 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4992 wrote to memory of 4692 4992 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4992 wrote to memory of 4692 4992 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4992 wrote to memory of 3308 4992 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4992 wrote to memory of 3308 4992 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4992 wrote to memory of 3308 4992 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4992 wrote to memory of 2636 4992 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4992 wrote to memory of 2636 4992 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4992 wrote to memory of 2636 4992 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4992 wrote to memory of 3640 4992 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4992 wrote to memory of 3640 4992 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4992 wrote to memory of 3640 4992 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4992 wrote to memory of 2956 4992 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4992 wrote to memory of 2956 4992 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4992 wrote to memory of 2956 4992 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4992 wrote to memory of 3704 4992 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4992 wrote to memory of 3704 4992 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4992 wrote to memory of 3704 4992 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 3704 wrote to memory of 2428 3704 cmd.exe !WannaDecryptor!.exe PID 3704 wrote to memory of 2428 3704 cmd.exe !WannaDecryptor!.exe PID 3704 wrote to memory of 2428 3704 cmd.exe !WannaDecryptor!.exe PID 4992 wrote to memory of 820 4992 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4992 wrote to memory of 820 4992 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4992 wrote to memory of 820 4992 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2428 wrote to memory of 2740 2428 !WannaDecryptor!.exe cmd.exe PID 2428 wrote to memory of 2740 2428 !WannaDecryptor!.exe cmd.exe PID 2428 wrote to memory of 2740 2428 !WannaDecryptor!.exe cmd.exe PID 2740 wrote to memory of 760 2740 cmd.exe WMIC.exe PID 2740 wrote to memory of 760 2740 cmd.exe WMIC.exe PID 2740 wrote to memory of 760 2740 cmd.exe WMIC.exe -
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:4992 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 511715627133.bat2⤵
- Suspicious use of WriteProcessMemory
PID:1476 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:3204
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:5072 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4692 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3308 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2636 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3640 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:2956 -
C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Suspicious use of WriteProcessMemory
PID:3704 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2428 -
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:2740 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:760 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe2⤵
- Executes dropped EXE
- Sets desktop wallpaper using registry
- Suspicious use of SetWindowsHookEx
PID:820
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3852
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
MD592115dcf00771c85e7720c5030816b83
SHA1bb7875afb909825dc601789f7066f062b8339947
SHA256eda7741bd966e2ff2ede88a4a9d75f1830e2db6729e68effbd85ef123fa3f9db
SHA5122f3a3f38a3fbfab6f2f5078bda5cdbf159e1505b8e467d64c1b62f76cd9f964678d7a26e2d289cd92291a6884ed7ebb2ffa2f247931693386f6f7756f144b677
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Filesize
136B
MD5ce3d360f5322d45e8d9ef1775f1e8656
SHA10b677f4ce1b6d53f44689c02332ba5fe4a39651c
SHA256967580a3a48a16e7315e88711b61fe1ec03d66a0cdd8cceeccdf7e19644338b1
SHA51225ac4fb61ae583c2cb7489384a0b3d84ccc5a2cbcbc86a93f2e7c17eb61a8fab38c03136da435005ee575f13b8fa57fee8836863a964c9045ccfba64698b96f2
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Filesize
136B
MD5d676a910a4a0ef0c3c9a3024f92c1431
SHA1b3b55fb46018b3d72d2bc8a9283af9786b317f79
SHA256b76c54fe59fb1836105ef0041bd73aaa97762a8ae8d3c89261d65615f53e592e
SHA512470846d32019698f20df8e306dc58db42c95b013750f39c37a890bc1053f4c2cc0407e0dee3ca049e79740102d44bfac410bcf45be4be74afbc6940542935f99
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Filesize
136B
MD59004b9a17e8737141417919ec85cbaa6
SHA161e31785d167a68d2c674271081eef60e90aecfb
SHA256eb97132c0bc9f7736f4fa99fdeead94de73ad54c41f66ea30101d7408a833773
SHA51278ec93e27acebd486b875937bbd85a8c590f2333c55ec93b81ce848e3be4bfedbdb778f41a1fb0a77c5a3fcc73ed2baaa705a503efcb14b23f50dd8132b1052b
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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
MD5e1b1555ddf218d3fb604d08da809f086
SHA1fc66651abbf12ab845d1bddeec8cf7a1537476cf
SHA2569d7b3f4126f085fb8ff30b45fb51e36e35e8c7acd74cce1e18e30d653ac2f67c
SHA5122532db6df6bceb3af4db035453bf12ceebfd4808f8882c9519f4ccb5411f8fb8aa8cb8a1cb0d486eb6de8e8368daa36d250642f5b994afb32f0e438340aa11a6
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Filesize
42KB
MD5980b08bac152aff3f9b0136b616affa5
SHA12a9c9601ea038f790cc29379c79407356a3d25a3
SHA256402046ada270528c9ac38bbfa0152836fe30fb8e12192354e53b8397421430d9
SHA512100cda1f795781042b012498afd783fd6ff03b0068dbd07b2c2e163cd95e6c6e00755ce16b02b017693c9febc149ed02df9df9b607e2b9cca4b07e5bd420f496
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Filesize
236KB
MD5cf1416074cd7791ab80a18f9e7e219d9
SHA1276d2ec82c518d887a8a3608e51c56fa28716ded
SHA25678e3f87f31688355c0f398317b2d87d803bd87ee3656c5a7c80f0561ec8606df
SHA5120bb0843a90edacaf1407e6a7273a9fbb896701635e4d9467392b7350ad25a1bec0c1ceef36737b4af5e5841936f4891436eded0533aa3d74c9a54efa42f024c5