Analysis
- max time kernel
151s - max time network
153s - platform
windows7_x64 - resource
win7-20220718-en - resource tags
arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system - submitted
20/07/2022, 01:07
Static task
static1
Behavioral task
behavioral1
Sample
9d709394669a9a07f5e759148968d465.dll
Resource
win7-20220718-en
windows7-x64
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
9d709394669a9a07f5e759148968d465.dll
Resource
win10v2004-20220718-en
windows10-2004-x64
7 signatures
150 seconds
General
- Target 9d709394669a9a07f5e759148968d465.dll
- Size 5.0MB
- Sample220720-bgm1dsaaa3
- SHA256 78ecdd4f9eb36ea0463a549c4124b10bbb0fdf9be76d137737de08d701fd25d5
- MD5 9d709394669a9a07f5e759148968d465
- SHA1 9a4416b56f18112b0694befc7c38f841c73f7c7a
- SHA512 f0dfed6fb68b28ea39e18977bf821ce812f7034bfcc95661c6b71581389aee58ed9ec0872e8ae6029ff3c2ff75778d9bd0b24dcfbc6a6782724c9f2f1b9fbd5b
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Signatures
- Wannacry
WannaCry is a ransomware cryptoworm.
- Contacts a large (1197) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
- Executes dropped EXE 2 IoCs
pid Process 1892 mssecsvr.exe 2016 mssecsvr.exe - Drops file in System32 directory 1 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat mssecsvr.exe - Drops file in Windows directory 2 IoCs
description ioc Process File created C:\WINDOWS\mssecsvr.exe rundll32.exe File created C:\WINDOWS\tasksche.exe mssecsvr.exe - Modifies data under HKEY_USERS 24 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" mssecsvr.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad mssecsvr.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2E9134DB-3C23-4031-8933-B00BB05E13E0} mssecsvr.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2E9134DB-3C23-4031-8933-B00BB05E13E0}\WpadDecisionTime = a07a39d2e59bd801 mssecsvr.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2E9134DB-3C23-4031-8933-B00BB05E13E0}\WpadNetworkName = "Network 3" mssecsvr.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\06-75-a7-dd-b9-dc mssecsvr.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings mssecsvr.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1" mssecsvr.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" mssecsvr.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\06-75-a7-dd-b9-dc\WpadDecisionReason = "1" mssecsvr.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\06-75-a7-dd-b9-dc\WpadDecision = "0" mssecsvr.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 mssecsvr.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 mssecsvr.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix mssecsvr.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" mssecsvr.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2E9134DB-3C23-4031-8933-B00BB05E13E0}\WpadDecision = "0" mssecsvr.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\06-75-a7-dd-b9-dc\WpadDecisionTime = a07a39d2e59bd801 mssecsvr.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections mssecsvr.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ mssecsvr.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0" mssecsvr.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00cd000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 mssecsvr.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2E9134DB-3C23-4031-8933-B00BB05E13E0}\WpadDecisionReason = "1" mssecsvr.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2E9134DB-3C23-4031-8933-B00BB05E13E0}\06-75-a7-dd-b9-dc mssecsvr.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings mssecsvr.exe - Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 640 wrote to memory of 1420 640 rundll32.exe 27 PID 640 wrote to memory of 1420 640 rundll32.exe 27 PID 640 wrote to memory of 1420 640 rundll32.exe 27 PID 640 wrote to memory of 1420 640 rundll32.exe 27 PID 640 wrote to memory of 1420 640 rundll32.exe 27 PID 640 wrote to memory of 1420 640 rundll32.exe 27 PID 640 wrote to memory of 1420 640 rundll32.exe 27 PID 1420 wrote to memory of 1892 1420 rundll32.exe 28 PID 1420 wrote to memory of 1892 1420 rundll32.exe 28 PID 1420 wrote to memory of 1892 1420 rundll32.exe 28 PID 1420 wrote to memory of 1892 1420 rundll32.exe 28
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\9d709394669a9a07f5e759148968d465.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:640 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\9d709394669a9a07f5e759148968d465.dll,#12⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1420 -
C:\WINDOWS\mssecsvr.exeC:\WINDOWS\mssecsvr.exe3⤵
- Executes dropped EXE
- Drops file in Windows directory
PID:1892
-
-
-
C:\WINDOWS\mssecsvr.exeC:\WINDOWS\mssecsvr.exe -m security1⤵
- Executes dropped EXE
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:2016
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\WINDOWS\mssecsvr.exe
- Size 2.2MB
- SHA256 2217c0bc7ec7e494cf553f111ac9ab2914699c2d955a4e6a0f182c24abbd6a34
- MD5 0830d3b071fd2284fe81ba31a23a3f42
- SHA1 6131eeb47e682e89e06a3b248003c9e70d28f8b6
- SHA512 a10758273f8ab12674de82100ee8111053d72da452d38b1815c94b502049196858308ca7b4147fd486f7f8dec0e218d227b7f3cc1d612a86df2fe1f03260b464
- SSDEEP 24576:QbLgurihdmMSirYbcMNgef0tLKz6626M+vbOSSqTPCeX6SASk+RdhAdmvn:QnnMSPbcBVtRx+TSqTT6SAARdhnvn
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\mssecsvr.exe
- Size 2.2MB
- SHA256 2217c0bc7ec7e494cf553f111ac9ab2914699c2d955a4e6a0f182c24abbd6a34
- MD5 0830d3b071fd2284fe81ba31a23a3f42
- SHA1 6131eeb47e682e89e06a3b248003c9e70d28f8b6
- SHA512 a10758273f8ab12674de82100ee8111053d72da452d38b1815c94b502049196858308ca7b4147fd486f7f8dec0e218d227b7f3cc1d612a86df2fe1f03260b464
- SSDEEP 24576:QbLgurihdmMSirYbcMNgef0tLKz6626M+vbOSSqTPCeX6SASk+RdhAdmvn:QnnMSPbcBVtRx+TSqTT6SAARdhnvn
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\mssecsvr.exe
- Size 2.2MB
- SHA256 2217c0bc7ec7e494cf553f111ac9ab2914699c2d955a4e6a0f182c24abbd6a34
- MD5 0830d3b071fd2284fe81ba31a23a3f42
- SHA1 6131eeb47e682e89e06a3b248003c9e70d28f8b6
- SHA512 a10758273f8ab12674de82100ee8111053d72da452d38b1815c94b502049196858308ca7b4147fd486f7f8dec0e218d227b7f3cc1d612a86df2fe1f03260b464
- SSDEEP 24576:QbLgurihdmMSirYbcMNgef0tLKz6626M+vbOSSqTPCeX6SASk+RdhAdmvn:QnnMSPbcBVtRx+TSqTT6SAARdhnvn
- MD5 SHA1 SHA512 SSDEEP