Analysis
-
max time kernel
148s -
max time network
148s -
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 19:07
Static task
static1
Behavioral task
behavioral1
Sample
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
Resource
win7-20240508-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\~SD6C51.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD6C68.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe -
Executes dropped EXE 4 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 2344 !WannaDecryptor!.exe 3868 !WannaDecryptor!.exe 452 !WannaDecryptor!.exe 1980 !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-1-5-21-3571316656-3665257725-2415531812-1000\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).
-
Kills process with taskkill 4 IoCs
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exepid process 3440 taskkill.exe 3724 taskkill.exe 4964 taskkill.exe 4908 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 49 IoCs
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exeWMIC.exevssvc.exedescription pid process Token: SeDebugPrivilege 4964 taskkill.exe Token: SeDebugPrivilege 3440 taskkill.exe Token: SeDebugPrivilege 4908 taskkill.exe Token: SeDebugPrivilege 3724 taskkill.exe Token: SeIncreaseQuotaPrivilege 4264 WMIC.exe Token: SeSecurityPrivilege 4264 WMIC.exe Token: SeTakeOwnershipPrivilege 4264 WMIC.exe Token: SeLoadDriverPrivilege 4264 WMIC.exe Token: SeSystemProfilePrivilege 4264 WMIC.exe Token: SeSystemtimePrivilege 4264 WMIC.exe Token: SeProfSingleProcessPrivilege 4264 WMIC.exe Token: SeIncBasePriorityPrivilege 4264 WMIC.exe Token: SeCreatePagefilePrivilege 4264 WMIC.exe Token: SeBackupPrivilege 4264 WMIC.exe Token: SeRestorePrivilege 4264 WMIC.exe Token: SeShutdownPrivilege 4264 WMIC.exe Token: SeDebugPrivilege 4264 WMIC.exe Token: SeSystemEnvironmentPrivilege 4264 WMIC.exe Token: SeRemoteShutdownPrivilege 4264 WMIC.exe Token: SeUndockPrivilege 4264 WMIC.exe Token: SeManageVolumePrivilege 4264 WMIC.exe Token: 33 4264 WMIC.exe Token: 34 4264 WMIC.exe Token: 35 4264 WMIC.exe Token: 36 4264 WMIC.exe Token: SeIncreaseQuotaPrivilege 4264 WMIC.exe Token: SeSecurityPrivilege 4264 WMIC.exe Token: SeTakeOwnershipPrivilege 4264 WMIC.exe Token: SeLoadDriverPrivilege 4264 WMIC.exe Token: SeSystemProfilePrivilege 4264 WMIC.exe Token: SeSystemtimePrivilege 4264 WMIC.exe Token: SeProfSingleProcessPrivilege 4264 WMIC.exe Token: SeIncBasePriorityPrivilege 4264 WMIC.exe Token: SeCreatePagefilePrivilege 4264 WMIC.exe Token: SeBackupPrivilege 4264 WMIC.exe Token: SeRestorePrivilege 4264 WMIC.exe Token: SeShutdownPrivilege 4264 WMIC.exe Token: SeDebugPrivilege 4264 WMIC.exe Token: SeSystemEnvironmentPrivilege 4264 WMIC.exe Token: SeRemoteShutdownPrivilege 4264 WMIC.exe Token: SeUndockPrivilege 4264 WMIC.exe Token: SeManageVolumePrivilege 4264 WMIC.exe Token: 33 4264 WMIC.exe Token: 34 4264 WMIC.exe Token: 35 4264 WMIC.exe Token: 36 4264 WMIC.exe Token: SeBackupPrivilege 3164 vssvc.exe Token: SeRestorePrivilege 3164 vssvc.exe Token: SeAuditPrivilege 3164 vssvc.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 2344 !WannaDecryptor!.exe 2344 !WannaDecryptor!.exe 3868 !WannaDecryptor!.exe 3868 !WannaDecryptor!.exe 452 !WannaDecryptor!.exe 452 !WannaDecryptor!.exe 1980 !WannaDecryptor!.exe 1980 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 39 IoCs
Processes:
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.execmd.execmd.exe!WannaDecryptor!.execmd.exedescription pid process target process PID 1684 wrote to memory of 2468 1684 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 1684 wrote to memory of 2468 1684 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 1684 wrote to memory of 2468 1684 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 2468 wrote to memory of 844 2468 cmd.exe cscript.exe PID 2468 wrote to memory of 844 2468 cmd.exe cscript.exe PID 2468 wrote to memory of 844 2468 cmd.exe cscript.exe PID 1684 wrote to memory of 2344 1684 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1684 wrote to memory of 2344 1684 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1684 wrote to memory of 2344 1684 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1684 wrote to memory of 4964 1684 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1684 wrote to memory of 4964 1684 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1684 wrote to memory of 4964 1684 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1684 wrote to memory of 3724 1684 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1684 wrote to memory of 3724 1684 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1684 wrote to memory of 3724 1684 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1684 wrote to memory of 3440 1684 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1684 wrote to memory of 3440 1684 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1684 wrote to memory of 3440 1684 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1684 wrote to memory of 4908 1684 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1684 wrote to memory of 4908 1684 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1684 wrote to memory of 4908 1684 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 1684 wrote to memory of 3868 1684 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1684 wrote to memory of 3868 1684 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1684 wrote to memory of 3868 1684 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1684 wrote to memory of 1984 1684 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 1684 wrote to memory of 1984 1684 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 1684 wrote to memory of 1984 1684 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 1984 wrote to memory of 452 1984 cmd.exe !WannaDecryptor!.exe PID 1984 wrote to memory of 452 1984 cmd.exe !WannaDecryptor!.exe PID 1984 wrote to memory of 452 1984 cmd.exe !WannaDecryptor!.exe PID 1684 wrote to memory of 1980 1684 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1684 wrote to memory of 1980 1684 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 1684 wrote to memory of 1980 1684 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 452 wrote to memory of 2636 452 !WannaDecryptor!.exe cmd.exe PID 452 wrote to memory of 2636 452 !WannaDecryptor!.exe cmd.exe PID 452 wrote to memory of 2636 452 !WannaDecryptor!.exe cmd.exe PID 2636 wrote to memory of 4264 2636 cmd.exe WMIC.exe PID 2636 wrote to memory of 4264 2636 cmd.exe WMIC.exe PID 2636 wrote to memory of 4264 2636 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:1684 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 13241715627248.bat2⤵
- Suspicious use of WriteProcessMemory
PID:2468 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:844
-
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:2344 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4964 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3724 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3440 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4908 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:3868 -
C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Suspicious use of WriteProcessMemory
PID:1984 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:452 -
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:2636 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:4264 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe2⤵
- Executes dropped EXE
- Sets desktop wallpaper using registry
- Suspicious use of SetWindowsHookEx
PID:1980
-
C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3164
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
797B
MD5afa18cf4aa2660392111763fb93a8c3d
SHA1c219a3654a5f41ce535a09f2a188a464c3f5baf5
SHA256227082c719fd4394c1f2311a0877d8a302c5b092bcc49f853a5cf3d2945f42b0
SHA5124161f250d59b7d4d4a6c4f16639d66d21b2a9606de956d22ec00bedb006643fedbbb8e4cde9f6c0c977285918648314883ca91f3442d1125593bf2605f2d5c6b
-
Filesize
1KB
MD55f013c5c4b89b6972ca3d2212d71afd1
SHA121ab913845336642b07203dd15557f299a2789be
SHA256479a37332b37e36c10b5554567ee2e632dd95a92a28c4ea158517a65e84d4a17
SHA51203e6663e041cd6806c2221648f85f7199107ad77b6d378dd263f9ec6d7f499219cab153b748a5b52fbbb3e4d5b8a64f6c999fef48f42bc0be1d1b65ed3a01fe4
-
Filesize
136B
MD5ca33161870aa855f3a105560fe3e739e
SHA1d7d7d99e7ff1572ba5c4d55f4c593475213b0c5e
SHA256ebc73d56dd5da38c585872d1e0a7872fff58abae608a1352e6d447475b727fa4
SHA512bae40b51b536fee1d09e9bd1e35730f3c0d2a3a80a6b52ede320a333ab498b8246baebbb554d17a7e5e4d1f14df74448c88138a9ca4eb6a2a626496ce8718f05
-
Filesize
136B
MD5b23c04487a3bbd8d960da3dfed00f99b
SHA10a921d38ea26651a5a050671af5f8984d784d576
SHA256c2d62363a40b4196f75610cad54cdc7f2b89846167c6898755ff50495cf1ae6c
SHA512dc70fb71f165c57465852d4c9b58a8598a74cf9b12b849334605e8913d91537555dc1b50e7b41901ac6fee8af333bac2c414363510608c06d7b1c00178338726
-
Filesize
136B
MD59876092dd7921d876dd422f7a8e3865b
SHA1a8fe90b6f859ff204a5f5278ceb9b6357bc24981
SHA256637ec751ab39a591f947a920b4001b4c455ffc7e18049a57aa0e12bb161b5e7f
SHA512fd767ba4745aa8bb615bfd259c4864c4d627f716678b9601b0a969d492a7361c7cb5613fe1df9df7cd2a529747442c65f34617631f5b881a3179c5111bc5cfbe
-
Filesize
336B
MD53540e056349c6972905dc9706cd49418
SHA1492c20442d34d45a6d6790c720349b11ec591cde
SHA25673872a89440a2cba9d22bf4961c3d499ea2c72979c30c455f942374292fedadc
SHA512c949d147100aef59e382c03abf7b162ae62a4d43456eebd730fbedcf5f95f5e1a24f6e349690d52d75331878a6ee8f6b88a7162ee9cf2a49e142196b12d0133c
-
Filesize
219B
MD55f6d40ca3c34b470113ed04d06a88ff4
SHA150629e7211ae43e32060686d6be17ebd492fd7aa
SHA2560fb5039a2fe7e90cdf3f22140d7f2103f94689b15609efe0edcc8430dd772fc1
SHA5124d4aa1abd2c9183202fd3f0a65b37f07ee0166ba6561f094c13c8ea59752c7bdd960e37c49583746d4464bc3b1dc0b63a1fe36a37ce7e5709cd76ed433befe35
-
Filesize
628B
MD5a3005fd85d2583026696055ee08d26ee
SHA1c7433f869ceb008366f27fe1371a9677c3ce7242
SHA256efaede8c6d82f29297a3a21be3c45027d62838e21949c785cab589efe087d138
SHA512c4350bf19aea0ac847aaab896091304e0c5af9b271a27a0a355e147332cf6b809b3fc76ced87e9f8a103c5be4736875185ea03b54e03983ab623816c2af972b4
-
Filesize
42KB
MD5980b08bac152aff3f9b0136b616affa5
SHA12a9c9601ea038f790cc29379c79407356a3d25a3
SHA256402046ada270528c9ac38bbfa0152836fe30fb8e12192354e53b8397421430d9
SHA512100cda1f795781042b012498afd783fd6ff03b0068dbd07b2c2e163cd95e6c6e00755ce16b02b017693c9febc149ed02df9df9b607e2b9cca4b07e5bd420f496
-
Filesize
236KB
MD5cf1416074cd7791ab80a18f9e7e219d9
SHA1276d2ec82c518d887a8a3608e51c56fa28716ded
SHA25678e3f87f31688355c0f398317b2d87d803bd87ee3656c5a7c80f0561ec8606df
SHA5120bb0843a90edacaf1407e6a7273a9fbb896701635e4d9467392b7350ad25a1bec0c1ceef36737b4af5e5841936f4891436eded0533aa3d74c9a54efa42f024c5