Analysis
-
max time kernel
149s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
11-05-2024 03:08
Static task
static1
Behavioral task
behavioral1
Sample
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
Resource
win7-20240221-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\~SD6567.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD657D.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe -
Executes dropped EXE 4 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 3276 !WannaDecryptor!.exe 4456 !WannaDecryptor!.exe 4448 !WannaDecryptor!.exe 4516 !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-1-5-21-3558294865-3673844354-2255444939-1000\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 4616 taskkill.exe 1108 taskkill.exe 1988 taskkill.exe 4880 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 49 IoCs
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exeWMIC.exevssvc.exedescription pid process Token: SeDebugPrivilege 4616 taskkill.exe Token: SeDebugPrivilege 4880 taskkill.exe Token: SeDebugPrivilege 1108 taskkill.exe Token: SeDebugPrivilege 1988 taskkill.exe Token: SeIncreaseQuotaPrivilege 3224 WMIC.exe Token: SeSecurityPrivilege 3224 WMIC.exe Token: SeTakeOwnershipPrivilege 3224 WMIC.exe Token: SeLoadDriverPrivilege 3224 WMIC.exe Token: SeSystemProfilePrivilege 3224 WMIC.exe Token: SeSystemtimePrivilege 3224 WMIC.exe Token: SeProfSingleProcessPrivilege 3224 WMIC.exe Token: SeIncBasePriorityPrivilege 3224 WMIC.exe Token: SeCreatePagefilePrivilege 3224 WMIC.exe Token: SeBackupPrivilege 3224 WMIC.exe Token: SeRestorePrivilege 3224 WMIC.exe Token: SeShutdownPrivilege 3224 WMIC.exe Token: SeDebugPrivilege 3224 WMIC.exe Token: SeSystemEnvironmentPrivilege 3224 WMIC.exe Token: SeRemoteShutdownPrivilege 3224 WMIC.exe Token: SeUndockPrivilege 3224 WMIC.exe Token: SeManageVolumePrivilege 3224 WMIC.exe Token: 33 3224 WMIC.exe Token: 34 3224 WMIC.exe Token: 35 3224 WMIC.exe Token: 36 3224 WMIC.exe Token: SeIncreaseQuotaPrivilege 3224 WMIC.exe Token: SeSecurityPrivilege 3224 WMIC.exe Token: SeTakeOwnershipPrivilege 3224 WMIC.exe Token: SeLoadDriverPrivilege 3224 WMIC.exe Token: SeSystemProfilePrivilege 3224 WMIC.exe Token: SeSystemtimePrivilege 3224 WMIC.exe Token: SeProfSingleProcessPrivilege 3224 WMIC.exe Token: SeIncBasePriorityPrivilege 3224 WMIC.exe Token: SeCreatePagefilePrivilege 3224 WMIC.exe Token: SeBackupPrivilege 3224 WMIC.exe Token: SeRestorePrivilege 3224 WMIC.exe Token: SeShutdownPrivilege 3224 WMIC.exe Token: SeDebugPrivilege 3224 WMIC.exe Token: SeSystemEnvironmentPrivilege 3224 WMIC.exe Token: SeRemoteShutdownPrivilege 3224 WMIC.exe Token: SeUndockPrivilege 3224 WMIC.exe Token: SeManageVolumePrivilege 3224 WMIC.exe Token: 33 3224 WMIC.exe Token: 34 3224 WMIC.exe Token: 35 3224 WMIC.exe Token: 36 3224 WMIC.exe Token: SeBackupPrivilege 4524 vssvc.exe Token: SeRestorePrivilege 4524 vssvc.exe Token: SeAuditPrivilege 4524 vssvc.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 3276 !WannaDecryptor!.exe 3276 !WannaDecryptor!.exe 4456 !WannaDecryptor!.exe 4456 !WannaDecryptor!.exe 4448 !WannaDecryptor!.exe 4448 !WannaDecryptor!.exe 4516 !WannaDecryptor!.exe 4516 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 39 IoCs
Processes:
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.execmd.execmd.exe!WannaDecryptor!.execmd.exedescription pid process target process PID 1596 wrote to memory of 2820 1596 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 1596 wrote to memory of 2820 1596 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 1596 wrote to memory of 2820 1596 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 2820 wrote to memory of 2684 2820 cmd.exe cscript.exe PID 2820 wrote to memory of 2684 2820 cmd.exe cscript.exe PID 2820 wrote to memory of 2684 2820 cmd.exe cscript.exe PID 1596 wrote to memory of 3276 1596 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1596 wrote to memory of 3276 1596 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1596 wrote to memory of 3276 1596 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1596 wrote to memory of 4616 1596 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1596 wrote to memory of 4616 1596 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1596 wrote to memory of 4616 1596 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1596 wrote to memory of 1108 1596 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1596 wrote to memory of 1108 1596 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1596 wrote to memory of 1108 1596 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1596 wrote to memory of 1988 1596 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1596 wrote to memory of 1988 1596 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1596 wrote to memory of 1988 1596 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1596 wrote to memory of 4880 1596 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1596 wrote to memory of 4880 1596 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1596 wrote to memory of 4880 1596 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1596 wrote to memory of 4456 1596 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1596 wrote to memory of 4456 1596 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1596 wrote to memory of 4456 1596 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1596 wrote to memory of 5004 1596 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 1596 wrote to memory of 5004 1596 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 1596 wrote to memory of 5004 1596 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 5004 wrote to memory of 4448 5004 cmd.exe !WannaDecryptor!.exe PID 5004 wrote to memory of 4448 5004 cmd.exe !WannaDecryptor!.exe PID 5004 wrote to memory of 4448 5004 cmd.exe !WannaDecryptor!.exe PID 1596 wrote to memory of 4516 1596 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1596 wrote to memory of 4516 1596 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1596 wrote to memory of 4516 1596 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4448 wrote to memory of 5056 4448 !WannaDecryptor!.exe cmd.exe PID 4448 wrote to memory of 5056 4448 !WannaDecryptor!.exe cmd.exe PID 4448 wrote to memory of 5056 4448 !WannaDecryptor!.exe cmd.exe PID 5056 wrote to memory of 3224 5056 cmd.exe WMIC.exe PID 5056 wrote to memory of 3224 5056 cmd.exe WMIC.exe PID 5056 wrote to memory of 3224 5056 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:1596 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 306241715396923.bat2⤵
- Suspicious use of WriteProcessMemory
PID:2820 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:2684
-
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:3276 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4616 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1108 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1988 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4880 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:4456 -
C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Suspicious use of WriteProcessMemory
PID:5004 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4448 -
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:5056 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:3224 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe2⤵
- Executes dropped EXE
- Sets desktop wallpaper using registry
- Suspicious use of SetWindowsHookEx
PID:4516
-
C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4524
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
MD58afc66359065d1272fbd24eea2b53b04
SHA1723122bf6751074eb6cf9255fcd760f7cafa6e6e
SHA25672f7a88b135bcd0985b478febeb43dce74639ccbab43d900d86cccaf218d89d0
SHA512340c354c1bf490c6f60270a5b07603208b3a396aa7b1e5cd05c4e0a8aeb463c0e12884d3ce546adcbcdda836606e02251807c6ef3273b94c9f20932f83aea020
-
C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD54eb2867cda93fdeb3a4e703e4d167b9c
SHA1fbe93361e028f76e8c08e015f7bfc8afe484d1a0
SHA2565a1e7af4a5676c4e4ac18fd05475e51478b9e13bcab5237b46180ac3f736f7f5
SHA51237e240932881f85267a5d11debb8414a4b0958fb1ee11a661070765d8f3923cc0d8ee24a7b31ea0fe2544d539fa129f1776cec06274cf78ca1be31b42ed1bf6c
-
C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD50ddc034f57c8446a8df143a46cf74f11
SHA1c54b86368fb48444e177589059781ed8390bbec8
SHA2561292b24b609fa5ba3382498a5a88bad60153ff85caf0ba4a6d40227051977e98
SHA51238a2f110b0c326c09efd373faa5f48fd5d346b3427b135e063dd508e28801dba31b7868e5da8189c6660588c6afb5f3482e5a9708166b76f4eaaeaa1997b8a59
-
C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD52d3b7d49f271e699789726dae72f7563
SHA1695b5b68e2cdeea375b9060035dea7dee5609684
SHA2567c35d98578f053ac3309eee63895d5000ee463496347427029a4f10425b658b1
SHA512f35038be8d0fcc1ee45d8b65eb7b3a458bddaec743606a673c1f68ab321bb625510e37ec11b1aa1a675a76ce2149aeca953a880b2b939f6d0b73499b6c9c0fa2
-
C:\Users\Admin\AppData\Local\Temp\306241715396923.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
MD5382054ef066d12329a38be635414f39b
SHA140052332aedf84e6a0657af71c879545394732d4
SHA25687cfc8f23f0df90960c6401f50148d7602934cc89286ce3d656a3073455948da
SHA512c92c711aa35115ecf7e329f68d62065a445ae169f4f6ebc7b1ccf08be008fce0b1b5630248d05db6bf25070a2aab60a9879a0d770a02aa7605afd902eb37fb21
-
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/1596-6-0x0000000010000000-0x0000000010012000-memory.dmpFilesize
72KB