Analysis
-
max time kernel
150s -
max time network
115s -
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
win7-20240221-en
Behavioral task
behavioral2
Sample
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
Resource
win10v2004-20240426-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\~SD50EB.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD5101.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe -
Executes dropped EXE 4 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 2880 !WannaDecryptor!.exe 3768 !WannaDecryptor!.exe 1960 !WannaDecryptor!.exe 1076 !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-1-5-21-3906287020-2915474608-1755617787-1000\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 4224 taskkill.exe 3408 taskkill.exe 4604 taskkill.exe 4572 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 49 IoCs
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exeWMIC.exevssvc.exedescription pid process Token: SeDebugPrivilege 4224 taskkill.exe Token: SeDebugPrivilege 3408 taskkill.exe Token: SeDebugPrivilege 4604 taskkill.exe Token: SeDebugPrivilege 4572 taskkill.exe Token: SeIncreaseQuotaPrivilege 4688 WMIC.exe Token: SeSecurityPrivilege 4688 WMIC.exe Token: SeTakeOwnershipPrivilege 4688 WMIC.exe Token: SeLoadDriverPrivilege 4688 WMIC.exe Token: SeSystemProfilePrivilege 4688 WMIC.exe Token: SeSystemtimePrivilege 4688 WMIC.exe Token: SeProfSingleProcessPrivilege 4688 WMIC.exe Token: SeIncBasePriorityPrivilege 4688 WMIC.exe Token: SeCreatePagefilePrivilege 4688 WMIC.exe Token: SeBackupPrivilege 4688 WMIC.exe Token: SeRestorePrivilege 4688 WMIC.exe Token: SeShutdownPrivilege 4688 WMIC.exe Token: SeDebugPrivilege 4688 WMIC.exe Token: SeSystemEnvironmentPrivilege 4688 WMIC.exe Token: SeRemoteShutdownPrivilege 4688 WMIC.exe Token: SeUndockPrivilege 4688 WMIC.exe Token: SeManageVolumePrivilege 4688 WMIC.exe Token: 33 4688 WMIC.exe Token: 34 4688 WMIC.exe Token: 35 4688 WMIC.exe Token: 36 4688 WMIC.exe Token: SeIncreaseQuotaPrivilege 4688 WMIC.exe Token: SeSecurityPrivilege 4688 WMIC.exe Token: SeTakeOwnershipPrivilege 4688 WMIC.exe Token: SeLoadDriverPrivilege 4688 WMIC.exe Token: SeSystemProfilePrivilege 4688 WMIC.exe Token: SeSystemtimePrivilege 4688 WMIC.exe Token: SeProfSingleProcessPrivilege 4688 WMIC.exe Token: SeIncBasePriorityPrivilege 4688 WMIC.exe Token: SeCreatePagefilePrivilege 4688 WMIC.exe Token: SeBackupPrivilege 4688 WMIC.exe Token: SeRestorePrivilege 4688 WMIC.exe Token: SeShutdownPrivilege 4688 WMIC.exe Token: SeDebugPrivilege 4688 WMIC.exe Token: SeSystemEnvironmentPrivilege 4688 WMIC.exe Token: SeRemoteShutdownPrivilege 4688 WMIC.exe Token: SeUndockPrivilege 4688 WMIC.exe Token: SeManageVolumePrivilege 4688 WMIC.exe Token: 33 4688 WMIC.exe Token: 34 4688 WMIC.exe Token: 35 4688 WMIC.exe Token: 36 4688 WMIC.exe Token: SeBackupPrivilege 848 vssvc.exe Token: SeRestorePrivilege 848 vssvc.exe Token: SeAuditPrivilege 848 vssvc.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 2880 !WannaDecryptor!.exe 2880 !WannaDecryptor!.exe 3768 !WannaDecryptor!.exe 3768 !WannaDecryptor!.exe 1960 !WannaDecryptor!.exe 1960 !WannaDecryptor!.exe 1076 !WannaDecryptor!.exe 1076 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 39 IoCs
Processes:
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.execmd.execmd.exe!WannaDecryptor!.execmd.exedescription pid process target process PID 816 wrote to memory of 4552 816 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 816 wrote to memory of 4552 816 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 816 wrote to memory of 4552 816 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4552 wrote to memory of 1060 4552 cmd.exe cscript.exe PID 4552 wrote to memory of 1060 4552 cmd.exe cscript.exe PID 4552 wrote to memory of 1060 4552 cmd.exe cscript.exe PID 816 wrote to memory of 2880 816 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 816 wrote to memory of 2880 816 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 816 wrote to memory of 2880 816 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 816 wrote to memory of 4224 816 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 816 wrote to memory of 4224 816 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 816 wrote to memory of 4224 816 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 816 wrote to memory of 3408 816 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 816 wrote to memory of 3408 816 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 816 wrote to memory of 3408 816 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 816 wrote to memory of 4572 816 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 816 wrote to memory of 4572 816 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 816 wrote to memory of 4572 816 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 816 wrote to memory of 4604 816 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 816 wrote to memory of 4604 816 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 816 wrote to memory of 4604 816 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 816 wrote to memory of 3768 816 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 816 wrote to memory of 3768 816 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 816 wrote to memory of 3768 816 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 816 wrote to memory of 2428 816 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 816 wrote to memory of 2428 816 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 816 wrote to memory of 2428 816 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 2428 wrote to memory of 1960 2428 cmd.exe !WannaDecryptor!.exe PID 2428 wrote to memory of 1960 2428 cmd.exe !WannaDecryptor!.exe PID 2428 wrote to memory of 1960 2428 cmd.exe !WannaDecryptor!.exe PID 816 wrote to memory of 1076 816 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 816 wrote to memory of 1076 816 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 816 wrote to memory of 1076 816 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1960 wrote to memory of 4056 1960 !WannaDecryptor!.exe cmd.exe PID 1960 wrote to memory of 4056 1960 !WannaDecryptor!.exe cmd.exe PID 1960 wrote to memory of 4056 1960 !WannaDecryptor!.exe cmd.exe PID 4056 wrote to memory of 4688 4056 cmd.exe WMIC.exe PID 4056 wrote to memory of 4688 4056 cmd.exe WMIC.exe PID 4056 wrote to memory of 4688 4056 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:816 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 92971715627136.bat2⤵
- Suspicious use of WriteProcessMemory
PID:4552 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:1060
-
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:2880 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4224 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3408 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4572 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4604 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:3768 -
C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Suspicious use of WriteProcessMemory
PID:2428 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1960 -
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:4056 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:4688 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe2⤵
- Executes dropped EXE
- Sets desktop wallpaper using registry
- Suspicious use of SetWindowsHookEx
PID:1076
-
C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:848
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
797B
MD5afa18cf4aa2660392111763fb93a8c3d
SHA1c219a3654a5f41ce535a09f2a188a464c3f5baf5
SHA256227082c719fd4394c1f2311a0877d8a302c5b092bcc49f853a5cf3d2945f42b0
SHA5124161f250d59b7d4d4a6c4f16639d66d21b2a9606de956d22ec00bedb006643fedbbb8e4cde9f6c0c977285918648314883ca91f3442d1125593bf2605f2d5c6b
-
Filesize
1KB
MD5a609ff8d4903e941d2cb0f88619b78a4
SHA13294d428b2ea1c1a002d95c3ae4978f310977b91
SHA2566cdbbdf08830f56a7fa3b7729614d953b13ba68d75dcf47384d42ed9c1e16e5d
SHA512d4df2723118e158ddff09e7fe1621c51b2f4471a2f86db38c13cba0ea2c516d1189eef52a8a703eecf53b9e7f4bb6801d7ad55030c5c380a53592b3403ac6890
-
Filesize
136B
MD5360f37315bdac93f776d7284c9b949bc
SHA1d0952a46a40731420a1e5117e62222b133140472
SHA256b9b0356d7b0538de130f47adde545af9489020cf836dceec55e11c9b93669ed8
SHA512cf3d09b90fedaa6d6b925e5c3051b718459d542bd23343f6306028e7eff73cbe21893647f47685d71ca2bd76bb521127137b6f41dabb6e6dbb1a14119e93a779
-
Filesize
136B
MD5d00567b8c24caedd330de6816ac37ca2
SHA1fd2b314bfb509f43260994af9df25f3135b0384f
SHA256d847e9773f740abad2474b2e68d987cbce2ee5964ca0f788be29d97024ab87f5
SHA512ba05e5b66a086b65fca4a8a99a1aa2eaf3bd2c58bad64a432f88648072d775983e03dfa7db6c76f40ecf4e1e229eb05677720a7dbc07eba76f0ec73a358ad8b4
-
Filesize
136B
MD55c0722680c068906e14b97e2a9dce952
SHA154a6d54358a271c21078ab16b46923fa279c3a32
SHA256b40d43f9b7e97b8a2e8938d9db66425d63ed59d168d983a790ace0c8f4b7efe3
SHA512abce4b5c30b1b3f99bca278c4119a8d8231131cc087b1c8a0dd98820ccdead488b961539f0fb68317b84f51b5347da8835fa6ec824791370350b22d572e33cd3
-
Filesize
336B
MD53540e056349c6972905dc9706cd49418
SHA1492c20442d34d45a6d6790c720349b11ec591cde
SHA25673872a89440a2cba9d22bf4961c3d499ea2c72979c30c455f942374292fedadc
SHA512c949d147100aef59e382c03abf7b162ae62a4d43456eebd730fbedcf5f95f5e1a24f6e349690d52d75331878a6ee8f6b88a7162ee9cf2a49e142196b12d0133c
-
Filesize
219B
MD55f6d40ca3c34b470113ed04d06a88ff4
SHA150629e7211ae43e32060686d6be17ebd492fd7aa
SHA2560fb5039a2fe7e90cdf3f22140d7f2103f94689b15609efe0edcc8430dd772fc1
SHA5124d4aa1abd2c9183202fd3f0a65b37f07ee0166ba6561f094c13c8ea59752c7bdd960e37c49583746d4464bc3b1dc0b63a1fe36a37ce7e5709cd76ed433befe35
-
Filesize
628B
MD540413887420630158a0efe3137982d9b
SHA185f7ba441b1280fa85433f39cd1f89e2cf28ee6e
SHA256ff7ab7d9b63cf901b53f779a855023c5762f8c17b2e452ffe9d5e24a3b85abad
SHA51282fe69ea49b339652bb80b9d68876f7384601c56fc7a970fb36caac86bd0bff1702d35ca1bd683a35193b133778c1710e1ba9326693babff99c86453898f9835
-
Filesize
42KB
MD5980b08bac152aff3f9b0136b616affa5
SHA12a9c9601ea038f790cc29379c79407356a3d25a3
SHA256402046ada270528c9ac38bbfa0152836fe30fb8e12192354e53b8397421430d9
SHA512100cda1f795781042b012498afd783fd6ff03b0068dbd07b2c2e163cd95e6c6e00755ce16b02b017693c9febc149ed02df9df9b607e2b9cca4b07e5bd420f496
-
Filesize
236KB
MD5cf1416074cd7791ab80a18f9e7e219d9
SHA1276d2ec82c518d887a8a3608e51c56fa28716ded
SHA25678e3f87f31688355c0f398317b2d87d803bd87ee3656c5a7c80f0561ec8606df
SHA5120bb0843a90edacaf1407e6a7273a9fbb896701635e4d9467392b7350ad25a1bec0c1ceef36737b4af5e5841936f4891436eded0533aa3d74c9a54efa42f024c5