Analysis
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max time kernel
151s -
max time network
156s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
25-08-2022 19:37
Static task
static1
Behavioral task
behavioral1
Sample
3b400deed87414bd2b8d9f40c3107ddf.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
3b400deed87414bd2b8d9f40c3107ddf.exe
Resource
win10v2004-20220812-en
General
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Target
3b400deed87414bd2b8d9f40c3107ddf.exe
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Size
3.6MB
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MD5
3b400deed87414bd2b8d9f40c3107ddf
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SHA1
b0a8ab1b8b8886b51d13ba6608cf7b1e46b7121b
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SHA256
215aa41b66baccb3fe4501b32ef7e9cf2ffe2ff1c0e8608c2b0f083b2a8578a0
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SHA512
6ec1a81c2de0a757067eb0c554d92fb57392ba017f6b7e6d0bc7041fe1cfaeb4c8b3f60d7bc16b225bf4982887b963b2f7ad11c4dfddaa9eb889bd346e011f54
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SSDEEP
49152:2nAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAARdhn:yDqPoBhz1aRxcSUDk36SAEdh
Malware Config
Signatures
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Wannacry
WannaCry is a ransomware cryptoworm.
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Contacts a large (1305) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
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Executes dropped EXE 1 IoCs
Processes:
tasksche.exepid process 1716 tasksche.exe -
Drops file in System32 directory 1 IoCs
Processes:
3b400deed87414bd2b8d9f40c3107ddf.exedescription ioc process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat 3b400deed87414bd2b8d9f40c3107ddf.exe -
Drops file in Windows directory 1 IoCs
Processes:
3b400deed87414bd2b8d9f40c3107ddf.exedescription ioc process File created C:\WINDOWS\tasksche.exe 3b400deed87414bd2b8d9f40c3107ddf.exe -
Modifies data under HKEY_USERS 24 IoCs
Processes:
3b400deed87414bd2b8d9f40c3107ddf.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{AC9EA775-D275-4ADB-8BE7-912C826BE90F}\WpadNetworkName = "Network 2" 3b400deed87414bd2b8d9f40c3107ddf.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\26-de-c5-ed-27-3d\WpadDecisionReason = "1" 3b400deed87414bd2b8d9f40c3107ddf.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\26-de-c5-ed-27-3d\WpadDecisionTime = f06d391bbab8d801 3b400deed87414bd2b8d9f40c3107ddf.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings 3b400deed87414bd2b8d9f40c3107ddf.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 3b400deed87414bd2b8d9f40c3107ddf.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f004b000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 3b400deed87414bd2b8d9f40c3107ddf.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{AC9EA775-D275-4ADB-8BE7-912C826BE90F} 3b400deed87414bd2b8d9f40c3107ddf.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{AC9EA775-D275-4ADB-8BE7-912C826BE90F}\WpadDecisionTime = f06d391bbab8d801 3b400deed87414bd2b8d9f40c3107ddf.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 3b400deed87414bd2b8d9f40c3107ddf.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 3b400deed87414bd2b8d9f40c3107ddf.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\26-de-c5-ed-27-3d\WpadDecision = "0" 3b400deed87414bd2b8d9f40c3107ddf.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{AC9EA775-D275-4ADB-8BE7-912C826BE90F}\WpadDecision = "0" 3b400deed87414bd2b8d9f40c3107ddf.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\26-de-c5-ed-27-3d 3b400deed87414bd2b8d9f40c3107ddf.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{AC9EA775-D275-4ADB-8BE7-912C826BE90F}\26-de-c5-ed-27-3d 3b400deed87414bd2b8d9f40c3107ddf.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings 3b400deed87414bd2b8d9f40c3107ddf.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections 3b400deed87414bd2b8d9f40c3107ddf.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" 3b400deed87414bd2b8d9f40c3107ddf.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad 3b400deed87414bd2b8d9f40c3107ddf.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{AC9EA775-D275-4ADB-8BE7-912C826BE90F}\WpadDecisionReason = "1" 3b400deed87414bd2b8d9f40c3107ddf.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 3b400deed87414bd2b8d9f40c3107ddf.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 3b400deed87414bd2b8d9f40c3107ddf.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0" 3b400deed87414bd2b8d9f40c3107ddf.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1" 3b400deed87414bd2b8d9f40c3107ddf.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 3b400deed87414bd2b8d9f40c3107ddf.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\3b400deed87414bd2b8d9f40c3107ddf.exe"C:\Users\Admin\AppData\Local\Temp\3b400deed87414bd2b8d9f40c3107ddf.exe"1⤵
- Drops file in Windows directory
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C:\WINDOWS\tasksche.exeC:\WINDOWS\tasksche.exe /i2⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\Temp\3b400deed87414bd2b8d9f40c3107ddf.exeC:\Users\Admin\AppData\Local\Temp\3b400deed87414bd2b8d9f40c3107ddf.exe -m security1⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Windows\tasksche.exeFilesize
3.4MB
MD5173c64ed0bff936a446adf3e2fcd503b
SHA1391cffba88ce15dee768b0ff604ebb8485156756
SHA256e92bd6694cac299082a6f093f92419c3cb2ae0238784531dcc678f39fb35657b
SHA512ffab89ebe1cc783160ad6ac48a5c9d51bdd87668c6167a6c8aa7a3a58ba452317b01f734565c1255514525a80564f5e4a5ec39f5aa8e6565a52a7d5b9aceb73d
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memory/1196-54-0x0000000075631000-0x0000000075633000-memory.dmpFilesize
8KB