Analysis
-
max time kernel
146s -
max time network
128s -
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 19:07
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\~SDB64.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SDB6B.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe -
Executes dropped EXE 4 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 1084 !WannaDecryptor!.exe 4644 !WannaDecryptor!.exe 4468 !WannaDecryptor!.exe 2920 !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-1-5-21-1181767204-2009306918-3718769404-1000\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 4380 taskkill.exe 4864 taskkill.exe 4336 taskkill.exe 4352 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 49 IoCs
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exeWMIC.exevssvc.exedescription pid process Token: SeDebugPrivilege 4352 taskkill.exe Token: SeDebugPrivilege 4864 taskkill.exe Token: SeDebugPrivilege 4380 taskkill.exe Token: SeDebugPrivilege 4336 taskkill.exe Token: SeIncreaseQuotaPrivilege 4428 WMIC.exe Token: SeSecurityPrivilege 4428 WMIC.exe Token: SeTakeOwnershipPrivilege 4428 WMIC.exe Token: SeLoadDriverPrivilege 4428 WMIC.exe Token: SeSystemProfilePrivilege 4428 WMIC.exe Token: SeSystemtimePrivilege 4428 WMIC.exe Token: SeProfSingleProcessPrivilege 4428 WMIC.exe Token: SeIncBasePriorityPrivilege 4428 WMIC.exe Token: SeCreatePagefilePrivilege 4428 WMIC.exe Token: SeBackupPrivilege 4428 WMIC.exe Token: SeRestorePrivilege 4428 WMIC.exe Token: SeShutdownPrivilege 4428 WMIC.exe Token: SeDebugPrivilege 4428 WMIC.exe Token: SeSystemEnvironmentPrivilege 4428 WMIC.exe Token: SeRemoteShutdownPrivilege 4428 WMIC.exe Token: SeUndockPrivilege 4428 WMIC.exe Token: SeManageVolumePrivilege 4428 WMIC.exe Token: 33 4428 WMIC.exe Token: 34 4428 WMIC.exe Token: 35 4428 WMIC.exe Token: 36 4428 WMIC.exe Token: SeIncreaseQuotaPrivilege 4428 WMIC.exe Token: SeSecurityPrivilege 4428 WMIC.exe Token: SeTakeOwnershipPrivilege 4428 WMIC.exe Token: SeLoadDriverPrivilege 4428 WMIC.exe Token: SeSystemProfilePrivilege 4428 WMIC.exe Token: SeSystemtimePrivilege 4428 WMIC.exe Token: SeProfSingleProcessPrivilege 4428 WMIC.exe Token: SeIncBasePriorityPrivilege 4428 WMIC.exe Token: SeCreatePagefilePrivilege 4428 WMIC.exe Token: SeBackupPrivilege 4428 WMIC.exe Token: SeRestorePrivilege 4428 WMIC.exe Token: SeShutdownPrivilege 4428 WMIC.exe Token: SeDebugPrivilege 4428 WMIC.exe Token: SeSystemEnvironmentPrivilege 4428 WMIC.exe Token: SeRemoteShutdownPrivilege 4428 WMIC.exe Token: SeUndockPrivilege 4428 WMIC.exe Token: SeManageVolumePrivilege 4428 WMIC.exe Token: 33 4428 WMIC.exe Token: 34 4428 WMIC.exe Token: 35 4428 WMIC.exe Token: 36 4428 WMIC.exe Token: SeBackupPrivilege 2044 vssvc.exe Token: SeRestorePrivilege 2044 vssvc.exe Token: SeAuditPrivilege 2044 vssvc.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 1084 !WannaDecryptor!.exe 1084 !WannaDecryptor!.exe 4644 !WannaDecryptor!.exe 4644 !WannaDecryptor!.exe 4468 !WannaDecryptor!.exe 4468 !WannaDecryptor!.exe 2920 !WannaDecryptor!.exe 2920 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 39 IoCs
Processes:
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.execmd.execmd.exe!WannaDecryptor!.execmd.exedescription pid process target process PID 2300 wrote to memory of 3596 2300 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 2300 wrote to memory of 3596 2300 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 2300 wrote to memory of 3596 2300 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 3596 wrote to memory of 748 3596 cmd.exe cscript.exe PID 3596 wrote to memory of 748 3596 cmd.exe cscript.exe PID 3596 wrote to memory of 748 3596 cmd.exe cscript.exe PID 2300 wrote to memory of 1084 2300 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2300 wrote to memory of 1084 2300 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2300 wrote to memory of 1084 2300 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2300 wrote to memory of 4380 2300 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2300 wrote to memory of 4380 2300 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2300 wrote to memory of 4380 2300 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2300 wrote to memory of 4352 2300 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2300 wrote to memory of 4352 2300 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2300 wrote to memory of 4352 2300 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2300 wrote to memory of 4336 2300 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2300 wrote to memory of 4336 2300 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2300 wrote to memory of 4336 2300 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2300 wrote to memory of 4864 2300 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2300 wrote to memory of 4864 2300 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2300 wrote to memory of 4864 2300 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 2300 wrote to memory of 4644 2300 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2300 wrote to memory of 4644 2300 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2300 wrote to memory of 4644 2300 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2300 wrote to memory of 4984 2300 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 2300 wrote to memory of 4984 2300 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 2300 wrote to memory of 4984 2300 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4984 wrote to memory of 4468 4984 cmd.exe !WannaDecryptor!.exe PID 4984 wrote to memory of 4468 4984 cmd.exe !WannaDecryptor!.exe PID 4984 wrote to memory of 4468 4984 cmd.exe !WannaDecryptor!.exe PID 2300 wrote to memory of 2920 2300 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2300 wrote to memory of 2920 2300 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2300 wrote to memory of 2920 2300 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4468 wrote to memory of 3952 4468 !WannaDecryptor!.exe cmd.exe PID 4468 wrote to memory of 3952 4468 !WannaDecryptor!.exe cmd.exe PID 4468 wrote to memory of 3952 4468 !WannaDecryptor!.exe cmd.exe PID 3952 wrote to memory of 4428 3952 cmd.exe WMIC.exe PID 3952 wrote to memory of 4428 3952 cmd.exe WMIC.exe PID 3952 wrote to memory of 4428 3952 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:2300 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 53171715627281.bat2⤵
- Suspicious use of WriteProcessMemory
PID:3596 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:748
-
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:1084 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4380 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4352 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4336 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4864 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:4644 -
C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Suspicious use of WriteProcessMemory
PID:4984 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4468 -
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:3952 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:4428 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe2⤵
- Executes dropped EXE
- Sets desktop wallpaper using registry
- Suspicious use of SetWindowsHookEx
PID:2920
-
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4116,i,11266875042087428226,16669718873272757238,262144 --variations-seed-version --mojo-platform-channel-handle=4204 /prefetch:81⤵PID:2188
-
C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2044
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
MD5f14e00de45a39677945d8db56dd55c00
SHA1fb2f32b810d3f7ccc2e3721b8add312ec05c7e1d
SHA2566e412d113b00358986f9d5ac9a43bdf164a8ab14126334f3d3eca5a4cef22334
SHA512f56bbd7c1a26712e04499efff73d289190f807bdecf6ab4c5919b87c43dfa4c07b0242f7e808085f0b3b813b38757014a28182925c2bec2213a304a6a6570d75
-
C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD532c58000a197644d5aa12a7d188b9714
SHA19849d98824c45fc01f5260c9ee244d9dd46c7611
SHA256f7874ede9e4098ed561bfa2bc10908277eb148c5e24ae1a2dc4c9561988f9520
SHA512350a2d033b4211dbe0566e649b4aee970e046888d280f19d87eedbbdf08128c2eb2e8ed561c62ad7e350dc69d67fc0d1e6d756d04bf3af50bccbcf01081261a6
-
C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD5d05dbaccfe3c6d0793f858e888a27f5d
SHA1045c86031725ae1cbaba656d64e01df5229752ee
SHA256a80f6fec86ec8abbda3ac2a6329473a20dab7478dbd1ba9857ad1cd98576f193
SHA51249c0e244dc924db1706531a8985b0e0fd4e65a27537fd3c054d7449a9517ac1b0a1961dfee4ef38c0b49a688d7c7902a31fef3018c48259e910430a847a8be1a
-
C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD5f82f45c0738ad94538f1d1d8d62b5b3f
SHA1e43566d7e9e34912d3c6479668d6d0d7e1423fc9
SHA2561eb081d5d59ac0197d4de8d1e163cfb7faaa4fcdad81f5acb5d92ac7bd63cc4e
SHA512f473661fd9198c7ccd9c5bc1f1073f13eb9ec048c8b2f800231b763433a268c7a622b3465042619452bbe31f7e6c2d7fab93799b6c525aa4dcb40eb20befe147
-
C:\Users\Admin\AppData\Local\Temp\53171715627281.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
MD500a39bf1bea265c4e68cea698cde9ae6
SHA140963091193dbe6d089339063aab3365a72df4ab
SHA256fb6991a3a2e98cc13c7105c1315cbfb12368ecff6804ea34bcfd9ce3249bd469
SHA512d449304cb379ea32c56bc989da2f539a44b69be7ad52804fc9d774b662f3ca060308323df8f75aa064e7d89cdbe0baac8b7f23bed9007ee59865af60cd480829
-
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/2300-6-0x0000000010000000-0x0000000010012000-memory.dmpFilesize
72KB