Analysis
-
max time kernel
149s -
max time network
108s -
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 03:06
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\~SD646D.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD6483.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe -
Executes dropped EXE 4 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 2044 !WannaDecryptor!.exe 640 !WannaDecryptor!.exe 836 !WannaDecryptor!.exe 4108 !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 5056 taskkill.exe 3484 taskkill.exe 1692 taskkill.exe 1824 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 49 IoCs
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exeWMIC.exevssvc.exedescription pid process Token: SeDebugPrivilege 5056 taskkill.exe Token: SeDebugPrivilege 1692 taskkill.exe Token: SeDebugPrivilege 1824 taskkill.exe Token: SeDebugPrivilege 3484 taskkill.exe Token: SeIncreaseQuotaPrivilege 3124 WMIC.exe Token: SeSecurityPrivilege 3124 WMIC.exe Token: SeTakeOwnershipPrivilege 3124 WMIC.exe Token: SeLoadDriverPrivilege 3124 WMIC.exe Token: SeSystemProfilePrivilege 3124 WMIC.exe Token: SeSystemtimePrivilege 3124 WMIC.exe Token: SeProfSingleProcessPrivilege 3124 WMIC.exe Token: SeIncBasePriorityPrivilege 3124 WMIC.exe Token: SeCreatePagefilePrivilege 3124 WMIC.exe Token: SeBackupPrivilege 3124 WMIC.exe Token: SeRestorePrivilege 3124 WMIC.exe Token: SeShutdownPrivilege 3124 WMIC.exe Token: SeDebugPrivilege 3124 WMIC.exe Token: SeSystemEnvironmentPrivilege 3124 WMIC.exe Token: SeRemoteShutdownPrivilege 3124 WMIC.exe Token: SeUndockPrivilege 3124 WMIC.exe Token: SeManageVolumePrivilege 3124 WMIC.exe Token: 33 3124 WMIC.exe Token: 34 3124 WMIC.exe Token: 35 3124 WMIC.exe Token: 36 3124 WMIC.exe Token: SeIncreaseQuotaPrivilege 3124 WMIC.exe Token: SeSecurityPrivilege 3124 WMIC.exe Token: SeTakeOwnershipPrivilege 3124 WMIC.exe Token: SeLoadDriverPrivilege 3124 WMIC.exe Token: SeSystemProfilePrivilege 3124 WMIC.exe Token: SeSystemtimePrivilege 3124 WMIC.exe Token: SeProfSingleProcessPrivilege 3124 WMIC.exe Token: SeIncBasePriorityPrivilege 3124 WMIC.exe Token: SeCreatePagefilePrivilege 3124 WMIC.exe Token: SeBackupPrivilege 3124 WMIC.exe Token: SeRestorePrivilege 3124 WMIC.exe Token: SeShutdownPrivilege 3124 WMIC.exe Token: SeDebugPrivilege 3124 WMIC.exe Token: SeSystemEnvironmentPrivilege 3124 WMIC.exe Token: SeRemoteShutdownPrivilege 3124 WMIC.exe Token: SeUndockPrivilege 3124 WMIC.exe Token: SeManageVolumePrivilege 3124 WMIC.exe Token: 33 3124 WMIC.exe Token: 34 3124 WMIC.exe Token: 35 3124 WMIC.exe Token: 36 3124 WMIC.exe Token: SeBackupPrivilege 2760 vssvc.exe Token: SeRestorePrivilege 2760 vssvc.exe Token: SeAuditPrivilege 2760 vssvc.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 2044 !WannaDecryptor!.exe 2044 !WannaDecryptor!.exe 640 !WannaDecryptor!.exe 640 !WannaDecryptor!.exe 836 !WannaDecryptor!.exe 836 !WannaDecryptor!.exe 4108 !WannaDecryptor!.exe 4108 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 39 IoCs
Processes:
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.execmd.execmd.exe!WannaDecryptor!.execmd.exedescription pid process target process PID 1628 wrote to memory of 3976 1628 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 1628 wrote to memory of 3976 1628 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 1628 wrote to memory of 3976 1628 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 3976 wrote to memory of 4224 3976 cmd.exe cscript.exe PID 3976 wrote to memory of 4224 3976 cmd.exe cscript.exe PID 3976 wrote to memory of 4224 3976 cmd.exe cscript.exe PID 1628 wrote to memory of 2044 1628 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1628 wrote to memory of 2044 1628 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1628 wrote to memory of 2044 1628 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1628 wrote to memory of 5056 1628 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1628 wrote to memory of 5056 1628 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1628 wrote to memory of 5056 1628 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1628 wrote to memory of 3484 1628 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1628 wrote to memory of 3484 1628 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1628 wrote to memory of 3484 1628 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1628 wrote to memory of 1692 1628 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1628 wrote to memory of 1692 1628 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1628 wrote to memory of 1692 1628 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1628 wrote to memory of 1824 1628 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1628 wrote to memory of 1824 1628 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1628 wrote to memory of 1824 1628 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1628 wrote to memory of 640 1628 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1628 wrote to memory of 640 1628 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1628 wrote to memory of 640 1628 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1628 wrote to memory of 808 1628 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 1628 wrote to memory of 808 1628 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 1628 wrote to memory of 808 1628 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 808 wrote to memory of 836 808 cmd.exe !WannaDecryptor!.exe PID 808 wrote to memory of 836 808 cmd.exe !WannaDecryptor!.exe PID 808 wrote to memory of 836 808 cmd.exe !WannaDecryptor!.exe PID 1628 wrote to memory of 4108 1628 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1628 wrote to memory of 4108 1628 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1628 wrote to memory of 4108 1628 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 836 wrote to memory of 2628 836 !WannaDecryptor!.exe cmd.exe PID 836 wrote to memory of 2628 836 !WannaDecryptor!.exe cmd.exe PID 836 wrote to memory of 2628 836 !WannaDecryptor!.exe cmd.exe PID 2628 wrote to memory of 3124 2628 cmd.exe WMIC.exe PID 2628 wrote to memory of 3124 2628 cmd.exe WMIC.exe PID 2628 wrote to memory of 3124 2628 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:1628 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 281231715396793.bat2⤵
- Suspicious use of WriteProcessMemory
PID:3976 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:4224
-
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:2044 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:5056 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3484 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1692 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1824 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:640 -
C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Suspicious use of WriteProcessMemory
PID:808 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:836 -
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:2628 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:3124 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe2⤵
- Executes dropped EXE
- Sets desktop wallpaper using registry
- Suspicious use of SetWindowsHookEx
PID:4108
-
C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2760
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
MD57b3e306c5e13be8bba1669b4cd57d326
SHA1b0a57e8ac28e6bcf797081229bd17b67397ce311
SHA25661359a8835c19455ebd5fdc482a46311da4871afd2783a54a7f25f37d2474ee4
SHA512d0d42665b8910df61519aba77c6f4a5a127189d5863efa75ef782cb1512750f7a6a02aaaf5b8d38427897b615ddf5c0583f2a7ad288a301d5a3eae4ce2c109ae
-
C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD5702f4b41308d51b54adda23748e6ef16
SHA1512abb1204e1f568fd911757d4f26ee92744970c
SHA2566d4721acf00f034c243377842584fe3b161a09b73d0fd80336dd092cc6cd089e
SHA5122ca71e76c6a426465f28eef34b174d59766cce18f24b97adba0ba3ba5be47bb51f2c91d7a35392e1acbdd0dfdc588c39cb1e558345bec61cffe47041014364c2
-
C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD574252cc65718e4e6640af9911027f46e
SHA1508e60ba6e9ea53e66e62eefac77731d2acab105
SHA2569268ea4860bdcb9a2786a4e2e1e73825a4ba3c1ce1dd23c1006a10305983b837
SHA512c8a1f44f520be62c4483f245d7e023da7a4c82831973a619603a4b28cb9f7905b6907a25821024fc20d41c21d82052fbe92cfb705f5d92b45748da798af72b0f
-
C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD5e0f9eaa2a661c061f22d86d1927c86b0
SHA1cce0724c40d80e1e803aed9748719d2b22a6ab46
SHA2564f8bd0895d6c0faaca59d08e5164613862599896352c9c22b3f4d972dabe74f0
SHA5128c4864924b50766941ba4e131577044893d58057da2b492a41f8f66ea665077afd7625a82bfab3fc8a9a729787b54fc7a65de6a7cea8abe7979953e45ba3d73c
-
C:\Users\Admin\AppData\Local\Temp\281231715396793.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
MD58dd4eac71c5782ddd074031356de3ab2
SHA18fa6118f51ee5ba1ecb84472333f918a831d0019
SHA256806d5922cbeac650e3659de902633415f941eca909705a1b980523698d4ff519
SHA51219277e1674a8c1faa5d82b64f4b4f95a2638b9e0c06c0df67febd420ec768db680b68960d01561f017439e7fc7f20f09abdd73d6c92dc2f978615240cad36a5f
-
C:\Users\Admin\AppData\Local\Temp\c.wryFilesize
628B
MD5663e55df21852bc8870b86bc38e58262
SHA11c691bf030ecfce78a9476fbdef3afe61724e6a9
SHA256bf22e8e18db1638673f47591a13d18ee58d8c6019314bab5a90be82ae3dc9538
SHA5126a54be1fa549633a2fd888c559207437b8f6efda98bb18d491c8749f39e9754f1e680fa8e2d623777b5f665b2c04d19385c75ce4e61fb251db16018963a9a6f9
-
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/1628-6-0x0000000010000000-0x0000000010012000-memory.dmpFilesize
72KB