Analysis
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max time kernel
150s -
max time network
129s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
13-05-2024 19:04
Static task
static1
Behavioral task
behavioral1
Sample
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
Resource
win10v2004-20240508-en
General
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Target
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
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Size
224KB
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MD5
5c7fb0927db37372da25f270708103a2
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SHA1
120ed9279d85cbfa56e5b7779ffa7162074f7a29
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SHA256
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844
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SHA512
a15f97fad744ccf5f620e5aabb81f48507327b898a9aa4287051464019e0f89224c484e9691812e166471af9beaddcfc3deb2ba878658761f4800663beef7206
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SSDEEP
3072:Y059femWRwTs/dbelj0X8/j84pcRXPlU3Upt3or4H84lK8PtpLzLsR/EfcZ:+5RwTs/dSXj84mRXPemxdBlPvLzLeZ
Malware Config
Extracted
C:\Users\Admin\Documents\!Please Read Me!.txt
wannacry
15zGqZCTcys6eCjDkE3DypCjXi6QWRV6V1
Signatures
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Wannacry
WannaCry is a ransomware cryptoworm.
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Deletes shadow copies 3 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Drops startup file 1 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\~SDEB5E.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe -
Executes dropped EXE 4 IoCs
pid Process 2524 !WannaDecryptor!.exe 2700 !WannaDecryptor!.exe 2204 !WannaDecryptor!.exe 1972 !WannaDecryptor!.exe -
Loads dropped DLL 9 IoCs
pid Process 2648 cscript.exe 2292 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 2292 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 2292 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 2292 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 2980 cmd.exe 2980 cmd.exe 2292 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 2292 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 1 IoCs
description 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 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Desktop\\!WannaCryptor!.bmp" !WannaDecryptor!.exe Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Pictures\\My Wallpaper.jpg" !WannaDecryptor!.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Interacts with shadow copies 2 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 2592 vssadmin.exe -
Kills process with taskkill 4 IoCs
pid Process 472 taskkill.exe 2784 taskkill.exe 1504 taskkill.exe 2956 taskkill.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1972 !WannaDecryptor!.exe -
Suspicious use of AdjustPrivilegeToken 47 IoCs
description pid Process Token: SeDebugPrivilege 2956 taskkill.exe Token: SeDebugPrivilege 2784 taskkill.exe Token: SeDebugPrivilege 472 taskkill.exe Token: SeDebugPrivilege 1504 taskkill.exe Token: SeBackupPrivilege 1488 vssvc.exe Token: SeRestorePrivilege 1488 vssvc.exe Token: SeAuditPrivilege 1488 vssvc.exe Token: SeIncreaseQuotaPrivilege 1916 WMIC.exe Token: SeSecurityPrivilege 1916 WMIC.exe Token: SeTakeOwnershipPrivilege 1916 WMIC.exe Token: SeLoadDriverPrivilege 1916 WMIC.exe Token: SeSystemProfilePrivilege 1916 WMIC.exe Token: SeSystemtimePrivilege 1916 WMIC.exe Token: SeProfSingleProcessPrivilege 1916 WMIC.exe Token: SeIncBasePriorityPrivilege 1916 WMIC.exe Token: SeCreatePagefilePrivilege 1916 WMIC.exe Token: SeBackupPrivilege 1916 WMIC.exe Token: SeRestorePrivilege 1916 WMIC.exe Token: SeShutdownPrivilege 1916 WMIC.exe Token: SeDebugPrivilege 1916 WMIC.exe Token: SeSystemEnvironmentPrivilege 1916 WMIC.exe Token: SeRemoteShutdownPrivilege 1916 WMIC.exe Token: SeUndockPrivilege 1916 WMIC.exe Token: SeManageVolumePrivilege 1916 WMIC.exe Token: 33 1916 WMIC.exe Token: 34 1916 WMIC.exe Token: 35 1916 WMIC.exe Token: SeIncreaseQuotaPrivilege 1916 WMIC.exe Token: SeSecurityPrivilege 1916 WMIC.exe Token: SeTakeOwnershipPrivilege 1916 WMIC.exe Token: SeLoadDriverPrivilege 1916 WMIC.exe Token: SeSystemProfilePrivilege 1916 WMIC.exe Token: SeSystemtimePrivilege 1916 WMIC.exe Token: SeProfSingleProcessPrivilege 1916 WMIC.exe Token: SeIncBasePriorityPrivilege 1916 WMIC.exe Token: SeCreatePagefilePrivilege 1916 WMIC.exe Token: SeBackupPrivilege 1916 WMIC.exe Token: SeRestorePrivilege 1916 WMIC.exe Token: SeShutdownPrivilege 1916 WMIC.exe Token: SeDebugPrivilege 1916 WMIC.exe Token: SeSystemEnvironmentPrivilege 1916 WMIC.exe Token: SeRemoteShutdownPrivilege 1916 WMIC.exe Token: SeUndockPrivilege 1916 WMIC.exe Token: SeManageVolumePrivilege 1916 WMIC.exe Token: 33 1916 WMIC.exe Token: 34 1916 WMIC.exe Token: 35 1916 WMIC.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 2524 !WannaDecryptor!.exe 2524 !WannaDecryptor!.exe 2700 !WannaDecryptor!.exe 2700 !WannaDecryptor!.exe 2204 !WannaDecryptor!.exe 2204 !WannaDecryptor!.exe 1972 !WannaDecryptor!.exe 1972 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 56 IoCs
description pid Process procid_target PID 2292 wrote to memory of 2924 2292 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 28 PID 2292 wrote to memory of 2924 2292 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 28 PID 2292 wrote to memory of 2924 2292 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 28 PID 2292 wrote to memory of 2924 2292 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 28 PID 2924 wrote to memory of 2648 2924 cmd.exe 30 PID 2924 wrote to memory of 2648 2924 cmd.exe 30 PID 2924 wrote to memory of 2648 2924 cmd.exe 30 PID 2924 wrote to memory of 2648 2924 cmd.exe 30 PID 2292 wrote to memory of 2524 2292 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 31 PID 2292 wrote to memory of 2524 2292 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 31 PID 2292 wrote to memory of 2524 2292 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 31 PID 2292 wrote to memory of 2524 2292 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 31 PID 2292 wrote to memory of 472 2292 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 34 PID 2292 wrote to memory of 472 2292 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 34 PID 2292 wrote to memory of 472 2292 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 34 PID 2292 wrote to memory of 472 2292 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 34 PID 2292 wrote to memory of 2784 2292 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 35 PID 2292 wrote to memory of 2784 2292 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 35 PID 2292 wrote to memory of 2784 2292 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 35 PID 2292 wrote to memory of 2784 2292 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 35 PID 2292 wrote to memory of 1504 2292 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 37 PID 2292 wrote to memory of 1504 2292 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 37 PID 2292 wrote to memory of 1504 2292 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 37 PID 2292 wrote to memory of 1504 2292 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 37 PID 2292 wrote to memory of 2956 2292 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 38 PID 2292 wrote to memory of 2956 2292 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 38 PID 2292 wrote to memory of 2956 2292 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 38 PID 2292 wrote to memory of 2956 2292 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 38 PID 2292 wrote to memory of 2700 2292 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 45 PID 2292 wrote to memory of 2700 2292 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 45 PID 2292 wrote to memory of 2700 2292 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 45 PID 2292 wrote to memory of 2700 2292 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 45 PID 2292 wrote to memory of 2980 2292 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 46 PID 2292 wrote to memory of 2980 2292 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 46 PID 2292 wrote to memory of 2980 2292 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 46 PID 2292 wrote to memory of 2980 2292 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 46 PID 2980 wrote to memory of 2204 2980 cmd.exe 48 PID 2980 wrote to memory of 2204 2980 cmd.exe 48 PID 2980 wrote to memory of 2204 2980 cmd.exe 48 PID 2980 wrote to memory of 2204 2980 cmd.exe 48 PID 2292 wrote to memory of 1972 2292 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 49 PID 2292 wrote to memory of 1972 2292 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 49 PID 2292 wrote to memory of 1972 2292 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 49 PID 2292 wrote to memory of 1972 2292 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe 49 PID 2204 wrote to memory of 908 2204 !WannaDecryptor!.exe 50 PID 2204 wrote to memory of 908 2204 !WannaDecryptor!.exe 50 PID 2204 wrote to memory of 908 2204 !WannaDecryptor!.exe 50 PID 2204 wrote to memory of 908 2204 !WannaDecryptor!.exe 50 PID 908 wrote to memory of 2592 908 cmd.exe 52 PID 908 wrote to memory of 2592 908 cmd.exe 52 PID 908 wrote to memory of 2592 908 cmd.exe 52 PID 908 wrote to memory of 2592 908 cmd.exe 52 PID 908 wrote to memory of 1916 908 cmd.exe 54 PID 908 wrote to memory of 1916 908 cmd.exe 54 PID 908 wrote to memory of 1916 908 cmd.exe 54 PID 908 wrote to memory of 1916 908 cmd.exe 54 -
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
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C:\Users\Admin\AppData\Local\Temp\be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe"C:\Users\Admin\AppData\Local\Temp\be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe"1⤵
- Drops startup file
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2292 -
C:\Windows\SysWOW64\cmd.execmd /c 182901715627116.bat2⤵
- Suspicious use of WriteProcessMemory
PID:2924 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵
- Loads dropped DLL
PID:2648
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:2524
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:472
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2784
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1504
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2956
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:2700
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C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2980 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2204 -
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:908 -
C:\Windows\SysWOW64\vssadmin.exevssadmin delete shadows /all /quiet5⤵
- Interacts with shadow copies
PID:2592
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C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:1916
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe2⤵
- Executes dropped EXE
- Sets desktop wallpaper using registry
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:1972
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1488
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
236KB
MD5cf1416074cd7791ab80a18f9e7e219d9
SHA1276d2ec82c518d887a8a3608e51c56fa28716ded
SHA25678e3f87f31688355c0f398317b2d87d803bd87ee3656c5a7c80f0561ec8606df
SHA5120bb0843a90edacaf1407e6a7273a9fbb896701635e4d9467392b7350ad25a1bec0c1ceef36737b4af5e5841936f4891436eded0533aa3d74c9a54efa42f024c5
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Filesize
921B
MD5f1b61930a74cc5e9108f77eb16395eb2
SHA1121c5c1b9dcb2723abfbe769f05ce763611980d3
SHA256ce470843284dfbbdace546e9a6f7e261552049b6fef99c1a2ce16aae54471f05
SHA512198105c6384379e2d2ebb14004823e3fadcce90a6a85b0dc1527dd53fb1fdbe43535dd79063c07c480dfb6a4e4fb3303669306d21a1c2745b08d0486c8e81dbe
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Filesize
136B
MD5a24a861db33a58db398e827ae59b0b8d
SHA1296ecb27e0d20f862b80e3c2812d2119d896a170
SHA256e6a2c380ec88a31e106fd4342b97cec58bbaf59a08b1bec00f1bd188e701833a
SHA512adfe75fe71c30fdd43ddeb7f44a60db392828727433ec98d7442fa114b0d37643db0d1a562f2ffc6db6988e7d8d5c10e1605302a7dd0babb68646e26fa6d9181
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Filesize
136B
MD54bd3578d641f61fdcba7347c56804384
SHA192a1587d0dc86814ed37d36c2f89709c1c7b0c44
SHA256b6d902b2244b2e9a23850cf1dd8980cb7f7c955404357675654ebfdf633c52bd
SHA5122bd84078aef1fbf86d87318fa5918da8e7b6f253647d6db6fd885e1d55a243692507a0d620e60c1a8823ab029291157de187e1979f9340a187504793b035cadc
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Filesize
136B
MD506b17dfd797be4e1921bf1b57b12ea17
SHA19f9e95625de56aca6da271934c7eb1405722c823
SHA256756d19eacfe03d1eae6014ff08d1077a928b0bc87a4ef6f4290958b647ed8105
SHA5120f4d7db22e0c20e89432a19b6ef7bd254f5d1e6ed91d1eecc91d0a78cb62ab6cc95750059191cbc533f7afc014ecbf91d3795855aca4f0aa1e3c308d14bfe07e
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Filesize
136B
MD5839c99cff687417a035ed096ab199310
SHA1f96270ec9c5e44535ee471bd0b7b0cd03b683e59
SHA25642c517069167740c53ab94048221b300bfa20d4a8473ee2e45ff415cd638cecc
SHA5129bca03cff4d51c8c424c1768e75db177ebfffae3d7e8c82484783b9e6a715338bc61ca62c37d137439274f1c1545a5fff24a94ecaaf25da784408faac665a710
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Filesize
336B
MD53540e056349c6972905dc9706cd49418
SHA1492c20442d34d45a6d6790c720349b11ec591cde
SHA25673872a89440a2cba9d22bf4961c3d499ea2c72979c30c455f942374292fedadc
SHA512c949d147100aef59e382c03abf7b162ae62a4d43456eebd730fbedcf5f95f5e1a24f6e349690d52d75331878a6ee8f6b88a7162ee9cf2a49e142196b12d0133c
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Filesize
219B
MD55f6d40ca3c34b470113ed04d06a88ff4
SHA150629e7211ae43e32060686d6be17ebd492fd7aa
SHA2560fb5039a2fe7e90cdf3f22140d7f2103f94689b15609efe0edcc8430dd772fc1
SHA5124d4aa1abd2c9183202fd3f0a65b37f07ee0166ba6561f094c13c8ea59752c7bdd960e37c49583746d4464bc3b1dc0b63a1fe36a37ce7e5709cd76ed433befe35
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Filesize
628B
MD52a6ed381e89877b33d8025ade14c0910
SHA175ab7e79b8b88ada75bb1a607bf3375facfafd09
SHA2563e47e3f58c92bb4ae60341629a66ac37857a357e72ffd7d905dc9937c857978b
SHA512807514956b7954ee4c56263e85fb482b3e3fcebaf347bbb4169a66d1748bbf292d1555adde92a4d05ad0067f63b9c371dfc43b2ecf749767767039bc1da3b1f3
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Filesize
42KB
MD5980b08bac152aff3f9b0136b616affa5
SHA12a9c9601ea038f790cc29379c79407356a3d25a3
SHA256402046ada270528c9ac38bbfa0152836fe30fb8e12192354e53b8397421430d9
SHA512100cda1f795781042b012498afd783fd6ff03b0068dbd07b2c2e163cd95e6c6e00755ce16b02b017693c9febc149ed02df9df9b607e2b9cca4b07e5bd420f496
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Filesize
797B
MD5afa18cf4aa2660392111763fb93a8c3d
SHA1c219a3654a5f41ce535a09f2a188a464c3f5baf5
SHA256227082c719fd4394c1f2311a0877d8a302c5b092bcc49f853a5cf3d2945f42b0
SHA5124161f250d59b7d4d4a6c4f16639d66d21b2a9606de956d22ec00bedb006643fedbbb8e4cde9f6c0c977285918648314883ca91f3442d1125593bf2605f2d5c6b