wannacry | 2f89c7a58b759c412a40981c8183a178412dfe439888c1d04cf1123de7a27ac3

General

Target

9c412bf568f77c36bc59106075eb8731.exe
Size

3.6MB
MD5

9c412bf568f77c36bc59106075eb8731
SHA1

0736ca250488a5a49f1c5e60ce108c71759a106a
SHA256

2f89c7a58b759c412a40981c8183a178412dfe439888c1d04cf1123de7a27ac3
SHA512

eb13a4e7f65fb6249c00ff86237395a6124b2e5f8d914730791101306ebabf5ef1a980c6f398a230a491c21a2b4db5ba909351573f8ffc384eceb98a34343f55
SSDEEP

24576:XbLgddQhfdmiQdIVUacMNgef0QeQjG/D8kIqRYoAdNLKz6626M:XnAQqBKUacBVQej/1INRx

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (1171) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Scanning
T1046
Executes dropped EXE 1 IoCs

Processes:

tasksche.exe

pid process

1608 tasksche.exe

pid	process
1608	tasksche.exe

Drops file in System32 directory 1 IoCs

Processes:

9c412bf568f77c36bc59106075eb8731.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	9c412bf568f77c36bc59106075eb8731.exe

Drops file in Windows directory 1 IoCs

Processes:

9c412bf568f77c36bc59106075eb8731.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 9c412bf568f77c36bc59106075eb8731.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	9c412bf568f77c36bc59106075eb8731.exe

Modifies data under HKEY_USERS 24 IoCs

Processes:

9c412bf568f77c36bc59106075eb8731.exe

description	ioc	process
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\22-81-82-1d-50-51\WpadDecisionTime = 50975d4d49c2d801	9c412bf568f77c36bc59106075eb8731.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\22-81-82-1d-50-51\WpadDecision = "0"	9c412bf568f77c36bc59106075eb8731.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	9c412bf568f77c36bc59106075eb8731.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	9c412bf568f77c36bc59106075eb8731.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	9c412bf568f77c36bc59106075eb8731.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{00613D53-054B-455C-ACF9-B728BC6BD5E4}\WpadNetworkName = "Network 3"	9c412bf568f77c36bc59106075eb8731.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\22-81-82-1d-50-51\WpadDecisionReason = "1"	9c412bf568f77c36bc59106075eb8731.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	9c412bf568f77c36bc59106075eb8731.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	9c412bf568f77c36bc59106075eb8731.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	9c412bf568f77c36bc59106075eb8731.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{00613D53-054B-455C-ACF9-B728BC6BD5E4}	9c412bf568f77c36bc59106075eb8731.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\22-81-82-1d-50-51	9c412bf568f77c36bc59106075eb8731.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	9c412bf568f77c36bc59106075eb8731.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	9c412bf568f77c36bc59106075eb8731.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	9c412bf568f77c36bc59106075eb8731.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	9c412bf568f77c36bc59106075eb8731.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0091000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	9c412bf568f77c36bc59106075eb8731.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{00613D53-054B-455C-ACF9-B728BC6BD5E4}\WpadDecision = "0"	9c412bf568f77c36bc59106075eb8731.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{00613D53-054B-455C-ACF9-B728BC6BD5E4}\22-81-82-1d-50-51	9c412bf568f77c36bc59106075eb8731.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	9c412bf568f77c36bc59106075eb8731.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	9c412bf568f77c36bc59106075eb8731.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	9c412bf568f77c36bc59106075eb8731.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{00613D53-054B-455C-ACF9-B728BC6BD5E4}\WpadDecisionReason = "1"	9c412bf568f77c36bc59106075eb8731.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{00613D53-054B-455C-ACF9-B728BC6BD5E4}\WpadDecisionTime = 50975d4d49c2d801	9c412bf568f77c36bc59106075eb8731.exe

C:\Users\Admin\AppData\Local\Temp\9c412bf568f77c36bc59106075eb8731.exe
"C:\Users\Admin\AppData\Local\Temp\9c412bf568f77c36bc59106075eb8731.exe"
1⤵
- Drops file in Windows directory
PID:1400

C:\WINDOWS\tasksche.exe
C:\WINDOWS\tasksche.exe /i
2⤵
- Executes dropped EXE
PID:1608

C:\Users\Admin\AppData\Local\Temp\9c412bf568f77c36bc59106075eb8731.exe
C:\Users\Admin\AppData\Local\Temp\9c412bf568f77c36bc59106075eb8731.exe -m security
1⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:1204

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Scanning

1

T1046

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Windows\tasksche.exe
Filesize
3.4MB

MD5
eb1505e5aeff641cd4de6ed8d6cb4635

SHA1
c0285920de87644a12ed37e98e062a34c702877d

SHA256
ea5046ac7da010a8d8ea264b67b8b261e7bb797dd6b1919ca5e357cd6f9c4df6

SHA512
7801576f49bced8b363a5d251e0547a14fbf75da2a6ab4fd0bc14ece7e7170adba851ff060b5213d26cc58a8c15e896f53b0f852fd85d59f6e8189f1faa56c65

Download Submit
memory/1400-54-0x0000000076701000-0x0000000076703000-memory.dmp

Filesize
8KB

Download

Analysis

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