Analysis
- max time kernel
150s - max time network
150s - platform
windows7_x64 - resource
win7-20240508-en - resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system - submitted
03/07/2024, 09:24
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2024-07-03_00a59dcbaba9677921dca2be0a253e53_wannacry.exe
Resource
win7-20240508-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
2024-07-03_00a59dcbaba9677921dca2be0a253e53_wannacry.exe
Resource
win10v2004-20240611-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target 2024-07-03_00a59dcbaba9677921dca2be0a253e53_wannacry.exe
- Size 3.6MB
- Sample240703-lc2m4azfpn
- SHA256 0734d5ab03a578e39f01af947cec5f76bdd3f491c64bfe7f1b83aec2afc36fd9
- MD5 00a59dcbaba9677921dca2be0a253e53
- SHA1 c508c275957ba4c5cbae3388ce00828ada7fa665
- SHA512 27e2a14b19bf8ce9ec41c879dff67b8cd006fcfe38bb5b16bfabc0de7c67f7b669a919da1749d42d0c31bdf1ca44fe3b27975b3f7d8f6d93bc1447f201b12651
- SSDEEP 98304:XDaiEkmnft4PdpR2j50Aj4Ouenmur2uuhQ2HI:XDa6mnft4FpR2j50AjKem/uuh/HI
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Wannacry
WannaCry is a ransomware cryptoworm.
- Contacts a large (3346) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
- Executes dropped EXE 1 IoCs
pid Process 2724 tasksche.exe - Creates a large amount of network flows 1 TTPs
This may indicate a network scan to discover remotely running services.
- 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 2024-07-03_00a59dcbaba9677921dca2be0a253e53_wannacry.exe - Drops file in Windows directory 1 IoCs
description ioc Process File created C:\WINDOWS\tasksche.exe 2024-07-03_00a59dcbaba9677921dca2be0a253e53_wannacry.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 = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 2024-07-03_00a59dcbaba9677921dca2be0a253e53_wannacry.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" 2024-07-03_00a59dcbaba9677921dca2be0a253e53_wannacry.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 2024-07-03_00a59dcbaba9677921dca2be0a253e53_wannacry.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\16-a6-51-e0-2a-ad 2024-07-03_00a59dcbaba9677921dca2be0a253e53_wannacry.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\16-a6-51-e0-2a-ad\WpadDecisionTime = 60ab3fc22acdda01 2024-07-03_00a59dcbaba9677921dca2be0a253e53_wannacry.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0" 2024-07-03_00a59dcbaba9677921dca2be0a253e53_wannacry.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 2024-07-03_00a59dcbaba9677921dca2be0a253e53_wannacry.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f001d000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 2024-07-03_00a59dcbaba9677921dca2be0a253e53_wannacry.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E302B135-2F49-4BE7-8019-77B5269F5C88}\WpadDecisionReason = "1" 2024-07-03_00a59dcbaba9677921dca2be0a253e53_wannacry.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E302B135-2F49-4BE7-8019-77B5269F5C88}\16-a6-51-e0-2a-ad 2024-07-03_00a59dcbaba9677921dca2be0a253e53_wannacry.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\16-a6-51-e0-2a-ad\WpadDecisionReason = "1" 2024-07-03_00a59dcbaba9677921dca2be0a253e53_wannacry.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E302B135-2F49-4BE7-8019-77B5269F5C88} 2024-07-03_00a59dcbaba9677921dca2be0a253e53_wannacry.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E302B135-2F49-4BE7-8019-77B5269F5C88}\WpadDecisionTime = 60ab3fc22acdda01 2024-07-03_00a59dcbaba9677921dca2be0a253e53_wannacry.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections 2024-07-03_00a59dcbaba9677921dca2be0a253e53_wannacry.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 2024-07-03_00a59dcbaba9677921dca2be0a253e53_wannacry.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 2024-07-03_00a59dcbaba9677921dca2be0a253e53_wannacry.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1" 2024-07-03_00a59dcbaba9677921dca2be0a253e53_wannacry.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 2024-07-03_00a59dcbaba9677921dca2be0a253e53_wannacry.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad 2024-07-03_00a59dcbaba9677921dca2be0a253e53_wannacry.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E302B135-2F49-4BE7-8019-77B5269F5C88}\WpadDecision = "0" 2024-07-03_00a59dcbaba9677921dca2be0a253e53_wannacry.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E302B135-2F49-4BE7-8019-77B5269F5C88}\WpadNetworkName = "Network 2" 2024-07-03_00a59dcbaba9677921dca2be0a253e53_wannacry.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\16-a6-51-e0-2a-ad\WpadDecision = "0" 2024-07-03_00a59dcbaba9677921dca2be0a253e53_wannacry.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings 2024-07-03_00a59dcbaba9677921dca2be0a253e53_wannacry.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings 2024-07-03_00a59dcbaba9677921dca2be0a253e53_wannacry.exe - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1688 wrote to memory of 2724 1688 2024-07-03_00a59dcbaba9677921dca2be0a253e53_wannacry.exe 29 PID 1688 wrote to memory of 2724 1688 2024-07-03_00a59dcbaba9677921dca2be0a253e53_wannacry.exe 29 PID 1688 wrote to memory of 2724 1688 2024-07-03_00a59dcbaba9677921dca2be0a253e53_wannacry.exe 29 PID 1688 wrote to memory of 2724 1688 2024-07-03_00a59dcbaba9677921dca2be0a253e53_wannacry.exe 29
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-07-03_00a59dcbaba9677921dca2be0a253e53_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2024-07-03_00a59dcbaba9677921dca2be0a253e53_wannacry.exe"1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1688 -
C:\WINDOWS\tasksche.exeC:\WINDOWS\tasksche.exe /i2⤵
- Executes dropped EXE
PID:2724
-
-
C:\Users\Admin\AppData\Local\Temp\2024-07-03_00a59dcbaba9677921dca2be0a253e53_wannacry.exeC:\Users\Admin\AppData\Local\Temp\2024-07-03_00a59dcbaba9677921dca2be0a253e53_wannacry.exe -m security1⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:1872
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Windows\tasksche.exe
- Size 3.4MB
- SHA256 6462ec0f6f1253cc7544050a3fdba8db8c6fc66cd31aa0d785163fb7c01ee4a7
- MD5 e53487c3c1e2a53505ebca2d83f3197c
- SHA1 8906fcfd139586798d7f34d1fd6804deedb844ec
- SHA512 36486b0c507c0bb8acc785bbcac7e6c23d1eabb234de50cebfc422385650848aa57b7bf4a482aea0db72348b9abf0e743faf1c0442ee76414e1ede495a5c7762
- SSDEEP 98304:QaiEkmnft4PdpR2j50Aj4Ouenmur2uuhQ2Hj:Qa6mnft4FpR2j50AjKem/uuh/Hj
- MD5 SHA1 SHA512 SSDEEP