wannacry | ae29fa6590365573a80499fe19d125d8bd48f6f9096e2b1311b76a694cd6c2bb

General

Target

73a745cd7a35f81f7ca9d7d81ba40e1c.exe
Size

4MB
MD5

73a745cd7a35f81f7ca9d7d81ba40e1c
SHA1

5c0e4eb81186b7b3f3bf1b145fa757d6d88e1c42
SHA256

ae29fa6590365573a80499fe19d125d8bd48f6f9096e2b1311b76a694cd6c2bb
SHA512

2398c808b919efa10fe50925e75c0518299f226bfc92e9b1a33a8f512b3e6a760416d988b5e2e50e224c2e7e6cc84b980fba650840e9225406dbb24a6f9a04d6
SSDEEP

98304:yDqPoBhz1aRxcSUDk36SAEdhvxWa9P5Z+G:yDqPe1Cxcxk3ZAEUadH

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (1297) 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

568 tasksche.exe

pid	process
568	tasksche.exe

Drops file in System32 directory 1 IoCs

Processes:

73a745cd7a35f81f7ca9d7d81ba40e1c.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	73a745cd7a35f81f7ca9d7d81ba40e1c.exe

Drops file in Windows directory 1 IoCs

Processes:

73a745cd7a35f81f7ca9d7d81ba40e1c.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 73a745cd7a35f81f7ca9d7d81ba40e1c.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	73a745cd7a35f81f7ca9d7d81ba40e1c.exe

Modifies data under HKEY_USERS 24 IoCs

Processes:

73a745cd7a35f81f7ca9d7d81ba40e1c.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	73a745cd7a35f81f7ca9d7d81ba40e1c.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	73a745cd7a35f81f7ca9d7d81ba40e1c.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	73a745cd7a35f81f7ca9d7d81ba40e1c.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{52BDED72-FE03-45F1-9EA7-71B3487AE52B}\82-a2-69-31-42-6a	73a745cd7a35f81f7ca9d7d81ba40e1c.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	73a745cd7a35f81f7ca9d7d81ba40e1c.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	73a745cd7a35f81f7ca9d7d81ba40e1c.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	73a745cd7a35f81f7ca9d7d81ba40e1c.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	73a745cd7a35f81f7ca9d7d81ba40e1c.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{52BDED72-FE03-45F1-9EA7-71B3487AE52B}\WpadDecisionReason = "1"	73a745cd7a35f81f7ca9d7d81ba40e1c.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{52BDED72-FE03-45F1-9EA7-71B3487AE52B}\WpadNetworkName = "Network 2"	73a745cd7a35f81f7ca9d7d81ba40e1c.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	73a745cd7a35f81f7ca9d7d81ba40e1c.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	73a745cd7a35f81f7ca9d7d81ba40e1c.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\82-a2-69-31-42-6a	73a745cd7a35f81f7ca9d7d81ba40e1c.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\82-a2-69-31-42-6a\WpadDecisionTime = 70796804bbc3d801	73a745cd7a35f81f7ca9d7d81ba40e1c.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\82-a2-69-31-42-6a\WpadDecision = "0"	73a745cd7a35f81f7ca9d7d81ba40e1c.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	73a745cd7a35f81f7ca9d7d81ba40e1c.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	73a745cd7a35f81f7ca9d7d81ba40e1c.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	73a745cd7a35f81f7ca9d7d81ba40e1c.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	73a745cd7a35f81f7ca9d7d81ba40e1c.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0008000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	73a745cd7a35f81f7ca9d7d81ba40e1c.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{52BDED72-FE03-45F1-9EA7-71B3487AE52B}	73a745cd7a35f81f7ca9d7d81ba40e1c.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{52BDED72-FE03-45F1-9EA7-71B3487AE52B}\WpadDecisionTime = 70796804bbc3d801	73a745cd7a35f81f7ca9d7d81ba40e1c.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{52BDED72-FE03-45F1-9EA7-71B3487AE52B}\WpadDecision = "0"	73a745cd7a35f81f7ca9d7d81ba40e1c.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\82-a2-69-31-42-6a\WpadDecisionReason = "1"	73a745cd7a35f81f7ca9d7d81ba40e1c.exe

C:\Users\Admin\AppData\Local\Temp\73a745cd7a35f81f7ca9d7d81ba40e1c.exe
"C:\Users\Admin\AppData\Local\Temp\73a745cd7a35f81f7ca9d7d81ba40e1c.exe"
- Drops file in Windows directory
PID:1060

C:\WINDOWS\tasksche.exe
C:\WINDOWS\tasksche.exe /i
- Executes dropped EXE
PID:568

C:\Users\Admin\AppData\Local\Temp\73a745cd7a35f81f7ca9d7d81ba40e1c.exe
C:\Users\Admin\AppData\Local\Temp\73a745cd7a35f81f7ca9d7d81ba40e1c.exe -m security
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:756

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
3MB

MD5
c2d36bc9c188745c2b8fdf9d0476b686

SHA1
9ee71be6eb7bcd941fbcac74633111aaaeed0a0d

SHA256
51526c8b491d7adaf5c583b56db21d249963e153f7f5891746dc521ea0352921

SHA512
245e11c85302df5e86e75127432a496d4c85e75ecee7a979d7d0a19a082d1a30f109ccef9c68bcf7b6f472af1e3b3db45bc74f27549e3342c06b1720c03c2d5e

Download Submit
memory/1060-54-0x0000000074DC1000-0x0000000074DC3000-memory.dmp

Filesize
8KB

Download

Analysis

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