Analysis
-
max time kernel
149s -
max time network
152s -
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 19:08
Static task
static1
Behavioral task
behavioral1
Sample
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
Resource
win10v2004-20240508-en
General
-
Target
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
-
Size
224KB
-
MD5
5c7fb0927db37372da25f270708103a2
-
SHA1
120ed9279d85cbfa56e5b7779ffa7162074f7a29
-
SHA256
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844
-
SHA512
a15f97fad744ccf5f620e5aabb81f48507327b898a9aa4287051464019e0f89224c484e9691812e166471af9beaddcfc3deb2ba878658761f4800663beef7206
-
SSDEEP
3072:Y059femWRwTs/dbelj0X8/j84pcRXPlU3Upt3or4H84lK8PtpLzLsR/EfcZ:+5RwTs/dSXj84mRXPemxdBlPvLzLeZ
Malware Config
Extracted
C:\Users\Admin\AppData\Local\Temp\!Please Read Me!.txt
wannacry
15zGqZCTcys6eCjDkE3DypCjXi6QWRV6V1
Signatures
-
Wannacry
WannaCry is a ransomware cryptoworm.
-
Deletes shadow copies 3 TTPs
Ransomware often targets backup files to inhibit system recovery.
-
Drops startup file 2 IoCs
Processes:
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exedescription ioc process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\~SD80FB.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD844E.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe -
Executes dropped EXE 4 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 5064 !WannaDecryptor!.exe 1544 !WannaDecryptor!.exe 4612 !WannaDecryptor!.exe 3052 !WannaDecryptor!.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
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-1-5-21-2539840389-1261165778-1087677076-1000\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).
-
Kills process with taskkill 4 IoCs
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exepid process 448 taskkill.exe 2632 taskkill.exe 1128 taskkill.exe 2376 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 49 IoCs
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exeWMIC.exevssvc.exedescription pid process Token: SeDebugPrivilege 2632 taskkill.exe Token: SeDebugPrivilege 1128 taskkill.exe Token: SeDebugPrivilege 2376 taskkill.exe Token: SeDebugPrivilege 448 taskkill.exe Token: SeIncreaseQuotaPrivilege 976 WMIC.exe Token: SeSecurityPrivilege 976 WMIC.exe Token: SeTakeOwnershipPrivilege 976 WMIC.exe Token: SeLoadDriverPrivilege 976 WMIC.exe Token: SeSystemProfilePrivilege 976 WMIC.exe Token: SeSystemtimePrivilege 976 WMIC.exe Token: SeProfSingleProcessPrivilege 976 WMIC.exe Token: SeIncBasePriorityPrivilege 976 WMIC.exe Token: SeCreatePagefilePrivilege 976 WMIC.exe Token: SeBackupPrivilege 976 WMIC.exe Token: SeRestorePrivilege 976 WMIC.exe Token: SeShutdownPrivilege 976 WMIC.exe Token: SeDebugPrivilege 976 WMIC.exe Token: SeSystemEnvironmentPrivilege 976 WMIC.exe Token: SeRemoteShutdownPrivilege 976 WMIC.exe Token: SeUndockPrivilege 976 WMIC.exe Token: SeManageVolumePrivilege 976 WMIC.exe Token: 33 976 WMIC.exe Token: 34 976 WMIC.exe Token: 35 976 WMIC.exe Token: 36 976 WMIC.exe Token: SeIncreaseQuotaPrivilege 976 WMIC.exe Token: SeSecurityPrivilege 976 WMIC.exe Token: SeTakeOwnershipPrivilege 976 WMIC.exe Token: SeLoadDriverPrivilege 976 WMIC.exe Token: SeSystemProfilePrivilege 976 WMIC.exe Token: SeSystemtimePrivilege 976 WMIC.exe Token: SeProfSingleProcessPrivilege 976 WMIC.exe Token: SeIncBasePriorityPrivilege 976 WMIC.exe Token: SeCreatePagefilePrivilege 976 WMIC.exe Token: SeBackupPrivilege 976 WMIC.exe Token: SeRestorePrivilege 976 WMIC.exe Token: SeShutdownPrivilege 976 WMIC.exe Token: SeDebugPrivilege 976 WMIC.exe Token: SeSystemEnvironmentPrivilege 976 WMIC.exe Token: SeRemoteShutdownPrivilege 976 WMIC.exe Token: SeUndockPrivilege 976 WMIC.exe Token: SeManageVolumePrivilege 976 WMIC.exe Token: 33 976 WMIC.exe Token: 34 976 WMIC.exe Token: 35 976 WMIC.exe Token: 36 976 WMIC.exe Token: SeBackupPrivilege 3620 vssvc.exe Token: SeRestorePrivilege 3620 vssvc.exe Token: SeAuditPrivilege 3620 vssvc.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 5064 !WannaDecryptor!.exe 5064 !WannaDecryptor!.exe 1544 !WannaDecryptor!.exe 1544 !WannaDecryptor!.exe 4612 !WannaDecryptor!.exe 4612 !WannaDecryptor!.exe 3052 !WannaDecryptor!.exe 3052 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 39 IoCs
Processes:
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.execmd.execmd.exe!WannaDecryptor!.execmd.exedescription pid process target process PID 1060 wrote to memory of 3300 1060 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 1060 wrote to memory of 3300 1060 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 1060 wrote to memory of 3300 1060 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 3300 wrote to memory of 3908 3300 cmd.exe cscript.exe PID 3300 wrote to memory of 3908 3300 cmd.exe cscript.exe PID 3300 wrote to memory of 3908 3300 cmd.exe cscript.exe PID 1060 wrote to memory of 5064 1060 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1060 wrote to memory of 5064 1060 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1060 wrote to memory of 5064 1060 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1060 wrote to memory of 2376 1060 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1060 wrote to memory of 2376 1060 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1060 wrote to memory of 2376 1060 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1060 wrote to memory of 1128 1060 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1060 wrote to memory of 1128 1060 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1060 wrote to memory of 1128 1060 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1060 wrote to memory of 2632 1060 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1060 wrote to memory of 2632 1060 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1060 wrote to memory of 2632 1060 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1060 wrote to memory of 448 1060 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1060 wrote to memory of 448 1060 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1060 wrote to memory of 448 1060 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1060 wrote to memory of 1544 1060 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1060 wrote to memory of 1544 1060 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1060 wrote to memory of 1544 1060 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1060 wrote to memory of 4504 1060 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 1060 wrote to memory of 4504 1060 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 1060 wrote to memory of 4504 1060 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4504 wrote to memory of 4612 4504 cmd.exe !WannaDecryptor!.exe PID 4504 wrote to memory of 4612 4504 cmd.exe !WannaDecryptor!.exe PID 4504 wrote to memory of 4612 4504 cmd.exe !WannaDecryptor!.exe PID 1060 wrote to memory of 3052 1060 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1060 wrote to memory of 3052 1060 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1060 wrote to memory of 3052 1060 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4612 wrote to memory of 3468 4612 !WannaDecryptor!.exe cmd.exe PID 4612 wrote to memory of 3468 4612 !WannaDecryptor!.exe cmd.exe PID 4612 wrote to memory of 3468 4612 !WannaDecryptor!.exe cmd.exe PID 3468 wrote to memory of 976 3468 cmd.exe WMIC.exe PID 3468 wrote to memory of 976 3468 cmd.exe WMIC.exe PID 3468 wrote to memory of 976 3468 cmd.exe WMIC.exe -
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
-
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:1060 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 237261715627289.bat2⤵
- Suspicious use of WriteProcessMemory
PID:3300 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:3908
-
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:5064 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2376 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1128 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2632 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:448 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:1544 -
C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Suspicious use of WriteProcessMemory
PID:4504 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4612 -
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:3468 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:976 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe2⤵
- Executes dropped EXE
- Sets desktop wallpaper using registry
- Suspicious use of SetWindowsHookEx
PID:3052
-
C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3620
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Temp\!Please Read Me!.txtFilesize
797B
MD5afa18cf4aa2660392111763fb93a8c3d
SHA1c219a3654a5f41ce535a09f2a188a464c3f5baf5
SHA256227082c719fd4394c1f2311a0877d8a302c5b092bcc49f853a5cf3d2945f42b0
SHA5124161f250d59b7d4d4a6c4f16639d66d21b2a9606de956d22ec00bedb006643fedbbb8e4cde9f6c0c977285918648314883ca91f3442d1125593bf2605f2d5c6b
-
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe.lnkFilesize
1KB
MD59e4e5ef050521b660c94ff69fadc3681
SHA154294b1edc8a93cc4804e342fc6e128c126965a1
SHA256fb6c01dc6322122536615ce99f1fc359e393d73672e801d2db7abdecf4d6cf7a
SHA512abd968534c35569251851e8e6524c5b71fce92bdf6de191c2b2b0d6b3f1a18bd02ceed3c92d8fbdf4b5fb79c97698ee7276deea15eb3d584a3c286127d8fda7f
-
C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD507df86fce40b65d55d5405942e8035ea
SHA1cc982e6c9949fbab19eefe80cb5514f21776cd4f
SHA256cfbe0c61d50e7d638e0eca63cf8f543c7c7b40e73358b693df7703a723b4270c
SHA512c75b4fb491bf4dba3a81a40474ee9623d66b0b222138b8a0cf38f2df3b59721368a91d8c221ccaf3f09c0fbc0d3170f481953cc298a6d041030ff0759834c980
-
C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD5456d0b293541be8ddbdfe637249d5dfd
SHA1e19b7a070980d21ea4018a227e2367985367d771
SHA2562e6933fec3b0e86a6368e71629360f5a030752c704b8abbfcb3016d911c69417
SHA5126bd678fe32d3d425832b65f3869ba08c864dfcdc83cba9fe7dfbfb1866cd48ef68bbd0152f6a4ec4dbf37bb457bb1682e5cea6a1a1114ca8ad31cd3b016a8dfa
-
C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD5daa658798a7ed0af03f9c903141e3a1c
SHA174f6035cf3402c83208eae4f34f65532bd894376
SHA256d966480d6cc96262df674fd1a8f5c6671b3195098afc8921d4ac3ad68e50b1dc
SHA512221bff48dc1e385ad4e6bffa6351dce4f9e16c21622b245596ad70adb13889b16a42e2ef24abd47deea37d8135d9325ec1021189ab0882f7356e52701a2a5db8
-
C:\Users\Admin\AppData\Local\Temp\237261715627289.batFilesize
336B
MD53540e056349c6972905dc9706cd49418
SHA1492c20442d34d45a6d6790c720349b11ec591cde
SHA25673872a89440a2cba9d22bf4961c3d499ea2c72979c30c455f942374292fedadc
SHA512c949d147100aef59e382c03abf7b162ae62a4d43456eebd730fbedcf5f95f5e1a24f6e349690d52d75331878a6ee8f6b88a7162ee9cf2a49e142196b12d0133c
-
C:\Users\Admin\AppData\Local\Temp\c.vbsFilesize
219B
MD55f6d40ca3c34b470113ed04d06a88ff4
SHA150629e7211ae43e32060686d6be17ebd492fd7aa
SHA2560fb5039a2fe7e90cdf3f22140d7f2103f94689b15609efe0edcc8430dd772fc1
SHA5124d4aa1abd2c9183202fd3f0a65b37f07ee0166ba6561f094c13c8ea59752c7bdd960e37c49583746d4464bc3b1dc0b63a1fe36a37ce7e5709cd76ed433befe35
-
C:\Users\Admin\AppData\Local\Temp\c.wryFilesize
628B
MD59884d304b8e9e5a11162e08754b0b288
SHA18980ca5dc7f85dd862293deb892e6a5ddfa346e9
SHA256f4a58ac4dff55a169fb297c992063c78df37704f62ca741ab641835078585293
SHA512273d0b8ec80f3fc283bb075e2a89071dd1b8b049d303248cfc2f23a3e50da863327168c0e9737b1186cebccb26e3474d559bc36d0cd6c22a6ed44197243763f7
-
C:\Users\Admin\AppData\Local\Temp\m.wryFilesize
42KB
MD5980b08bac152aff3f9b0136b616affa5
SHA12a9c9601ea038f790cc29379c79407356a3d25a3
SHA256402046ada270528c9ac38bbfa0152836fe30fb8e12192354e53b8397421430d9
SHA512100cda1f795781042b012498afd783fd6ff03b0068dbd07b2c2e163cd95e6c6e00755ce16b02b017693c9febc149ed02df9df9b607e2b9cca4b07e5bd420f496
-
C:\Users\Admin\AppData\Local\Temp\u.wryFilesize
236KB
MD5cf1416074cd7791ab80a18f9e7e219d9
SHA1276d2ec82c518d887a8a3608e51c56fa28716ded
SHA25678e3f87f31688355c0f398317b2d87d803bd87ee3656c5a7c80f0561ec8606df
SHA5120bb0843a90edacaf1407e6a7273a9fbb896701635e4d9467392b7350ad25a1bec0c1ceef36737b4af5e5841936f4891436eded0533aa3d74c9a54efa42f024c5
-
memory/1060-7-0x0000000010000000-0x0000000010012000-memory.dmpFilesize
72KB