Analysis
- max time kernel
150s - 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, 01:56
Static task
static1
Behavioral task
behavioral1
Sample
59ccdf3dff49667db156df72b7eae427.dll
Resource
win7-20220718-en
windows7-x64
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
59ccdf3dff49667db156df72b7eae427.dll
Resource
win10v2004-20220414-en
windows10-2004-x64
7 signatures
150 seconds
General
- Target 59ccdf3dff49667db156df72b7eae427.dll
- Size 5.0MB
- Sample220720-ccph4aaghj
- SHA256 e4af1ebf407876aecbf749b0146d1a11bff3390194fd3ac42db93ae1bc18abe0
- MD5 59ccdf3dff49667db156df72b7eae427
- SHA1 cc4815d29024d0b86a33e5415ebec08c148ff42a
- SHA512 8f0c165ef1da20dca5d94d2589dd87b5dd52665cc46577abc29b189317cf413c8f5a15a6e09dc7de62f61e82fda0f5c889223fc724df9f435c75db6ba8cdca05
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Signatures
- Wannacry
WannaCry is a ransomware cryptoworm.
- Contacts a large (1260) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
- Executes dropped EXE 3 IoCs
pid Process 1952 mssecsvc.exe 1652 mssecsvc.exe 984 tasksche.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 mssecsvc.exe - Drops file in Windows directory 2 IoCs
description ioc Process File created C:\WINDOWS\mssecsvc.exe rundll32.exe File created C:\WINDOWS\tasksche.exe mssecsvc.exe - Modifies data under HKEY_USERS 24 IoCs
description ioc Process Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00cf000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 mssecsvc.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{458370D2-F5F5-4CF0-84A5-E9A8FC58ECAA}\WpadDecision = "0" mssecsvc.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{458370D2-F5F5-4CF0-84A5-E9A8FC58ECAA}\06-5e-a2-7c-72-e4 mssecsvc.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\06-5e-a2-7c-72-e4\WpadDecision = "0" mssecsvc.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" mssecsvc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ mssecsvc.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0" mssecsvc.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{458370D2-F5F5-4CF0-84A5-E9A8FC58ECAA}\WpadNetworkName = "Network 3" mssecsvc.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{458370D2-F5F5-4CF0-84A5-E9A8FC58ECAA} mssecsvc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections mssecsvc.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 mssecsvc.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 mssecsvc.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix mssecsvc.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" mssecsvc.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" mssecsvc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad mssecsvc.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{458370D2-F5F5-4CF0-84A5-E9A8FC58ECAA}\WpadDecisionTime = 408a27abec9bd801 mssecsvc.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\06-5e-a2-7c-72-e4 mssecsvc.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\06-5e-a2-7c-72-e4\WpadDecisionReason = "1" mssecsvc.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\06-5e-a2-7c-72-e4\WpadDecisionTime = 408a27abec9bd801 mssecsvc.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings mssecsvc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings mssecsvc.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1" mssecsvc.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{458370D2-F5F5-4CF0-84A5-E9A8FC58ECAA}\WpadDecisionReason = "1" mssecsvc.exe - Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 1904 wrote to memory of 608 1904 rundll32.exe 27 PID 1904 wrote to memory of 608 1904 rundll32.exe 27 PID 1904 wrote to memory of 608 1904 rundll32.exe 27 PID 1904 wrote to memory of 608 1904 rundll32.exe 27 PID 1904 wrote to memory of 608 1904 rundll32.exe 27 PID 1904 wrote to memory of 608 1904 rundll32.exe 27 PID 1904 wrote to memory of 608 1904 rundll32.exe 27 PID 608 wrote to memory of 1952 608 rundll32.exe 28 PID 608 wrote to memory of 1952 608 rundll32.exe 28 PID 608 wrote to memory of 1952 608 rundll32.exe 28 PID 608 wrote to memory of 1952 608 rundll32.exe 28
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\59ccdf3dff49667db156df72b7eae427.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1904 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\59ccdf3dff49667db156df72b7eae427.dll,#12⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:608 -
C:\WINDOWS\mssecsvc.exeC:\WINDOWS\mssecsvc.exe3⤵
- Executes dropped EXE
- Drops file in Windows directory
PID:1952 -
C:\WINDOWS\tasksche.exeC:\WINDOWS\tasksche.exe /i4⤵
- Executes dropped EXE
PID:984
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C:\WINDOWS\mssecsvc.exeC:\WINDOWS\mssecsvc.exe -m security1⤵
- Executes dropped EXE
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:1652
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\WINDOWS\mssecsvc.exe
- Size 3.6MB
- SHA256 7dab9ed566d78212bbc3da8383c23021e0d9675eff762fa281d20bbf50b518ce
- MD5 fa1a3e31319a367e1021c123059ec7d5
- SHA1 e6ae3b0aecee6ed15022d3f3999e75229ce24a0b
- SHA512 73873fea73a10bc647a77b5cd5a282570badf7fdfa52ce919cf9d8b85bb96e20bf27b5370baca43d7a284826fcae21b7486c0278e7690e9a252620da80c378e3
- SSDEEP 24576:2bLgddQhfdmMSirYbcMNgef03X6SASk+Rd:2nAQqMSPbcBVH6SAARd
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\mssecsvc.exe
- Size 3.6MB
- SHA256 7dab9ed566d78212bbc3da8383c23021e0d9675eff762fa281d20bbf50b518ce
- MD5 fa1a3e31319a367e1021c123059ec7d5
- SHA1 e6ae3b0aecee6ed15022d3f3999e75229ce24a0b
- SHA512 73873fea73a10bc647a77b5cd5a282570badf7fdfa52ce919cf9d8b85bb96e20bf27b5370baca43d7a284826fcae21b7486c0278e7690e9a252620da80c378e3
- SSDEEP 24576:2bLgddQhfdmMSirYbcMNgef03X6SASk+Rd:2nAQqMSPbcBVH6SAARd
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\mssecsvc.exe
- Size 3.6MB
- SHA256 7dab9ed566d78212bbc3da8383c23021e0d9675eff762fa281d20bbf50b518ce
- MD5 fa1a3e31319a367e1021c123059ec7d5
- SHA1 e6ae3b0aecee6ed15022d3f3999e75229ce24a0b
- SHA512 73873fea73a10bc647a77b5cd5a282570badf7fdfa52ce919cf9d8b85bb96e20bf27b5370baca43d7a284826fcae21b7486c0278e7690e9a252620da80c378e3
- SSDEEP 24576:2bLgddQhfdmMSirYbcMNgef03X6SASk+Rd:2nAQqMSPbcBVH6SAARd
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\tasksche.exe
- Size 3.4MB
- SHA256 1e4c70ed80729fc6ce1f12ca233f91744a94f6f067659faf298f92305d145859
- MD5 415c14675a1b3d14402b237a86218699
- SHA1 e7712d4b4775839cc335a41e096684bc8f4e2430
- SHA512 1c491979a6c92e870a9335ba157d9c56d0d83bf6200aa6a06b78ed2b92f07fdbf5cac6b36a8cb1d1d225ebe80c48a96f0ed0e7ec5c138f0da028c1b46897ad29
- SSDEEP 12288:nQhMbaIMu7L5NVErCA4z2g6rTcbckPU82900Ve7zw+K+DInLz6SdSNs5SQeuBRd:nQhfdmMSirYbcMNgef03X6SASk+Rd
- MD5 SHA1 SHA512 SSDEEP