wannacry | 76a0e21e5d95ee7114fbbab4ce831df03aebbe8c443d6d24ce5b31cb2869c091

General

Target

88b5aaf7fbaf89b0d4110c960ba0bf59.exe
Size

3.6MB
MD5

88b5aaf7fbaf89b0d4110c960ba0bf59
SHA1

07b09c4f7856b06d9c45568879b236564214cf16
SHA256

76a0e21e5d95ee7114fbbab4ce831df03aebbe8c443d6d24ce5b31cb2869c091
SHA512

ceff3f30377cdcd3158411e24fb27d8829d7956f23c3b58304159c2a3a47bb6bd7562331ef5ae62a76431b1b1eb1e21c2bb20a78ce4d99a36f3aad0a8544e59b
SSDEEP

49152:2n/MSPbcBVQej/1INRx+TSqTb6QqrY2L+KYKIGkxXzZrmtnhfmk3NsW2s:y/PoBhz1aRxcSUyYonKDuO8NP

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (1258) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Scanning
T1046

Drops file in System32 directory 1 IoCs

Processes:

88b5aaf7fbaf89b0d4110c960ba0bf59.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	88b5aaf7fbaf89b0d4110c960ba0bf59.exe

Drops file in Windows directory 1 IoCs

Processes:

88b5aaf7fbaf89b0d4110c960ba0bf59.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 88b5aaf7fbaf89b0d4110c960ba0bf59.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	88b5aaf7fbaf89b0d4110c960ba0bf59.exe

Modifies data under HKEY_USERS 24 IoCs

Processes:

88b5aaf7fbaf89b0d4110c960ba0bf59.exe

description	ioc	process
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	88b5aaf7fbaf89b0d4110c960ba0bf59.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	88b5aaf7fbaf89b0d4110c960ba0bf59.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	88b5aaf7fbaf89b0d4110c960ba0bf59.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{44705F7C-6AA8-4ED6-A2F5-774BD2740C95}\WpadDecisionReason = "1"	88b5aaf7fbaf89b0d4110c960ba0bf59.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{44705F7C-6AA8-4ED6-A2F5-774BD2740C95}\WpadDecisionTime = 20f7b0f3c9b8d801	88b5aaf7fbaf89b0d4110c960ba0bf59.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{44705F7C-6AA8-4ED6-A2F5-774BD2740C95}\WpadNetworkName = "Network 3"	88b5aaf7fbaf89b0d4110c960ba0bf59.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\3a-b1-ff-15-a0-08\WpadDecisionReason = "1"	88b5aaf7fbaf89b0d4110c960ba0bf59.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\3a-b1-ff-15-a0-08\WpadDecision = "0"	88b5aaf7fbaf89b0d4110c960ba0bf59.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	88b5aaf7fbaf89b0d4110c960ba0bf59.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	88b5aaf7fbaf89b0d4110c960ba0bf59.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	88b5aaf7fbaf89b0d4110c960ba0bf59.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0091000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	88b5aaf7fbaf89b0d4110c960ba0bf59.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{44705F7C-6AA8-4ED6-A2F5-774BD2740C95}\WpadDecision = "0"	88b5aaf7fbaf89b0d4110c960ba0bf59.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\3a-b1-ff-15-a0-08	88b5aaf7fbaf89b0d4110c960ba0bf59.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	88b5aaf7fbaf89b0d4110c960ba0bf59.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	88b5aaf7fbaf89b0d4110c960ba0bf59.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{44705F7C-6AA8-4ED6-A2F5-774BD2740C95}\3a-b1-ff-15-a0-08	88b5aaf7fbaf89b0d4110c960ba0bf59.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\3a-b1-ff-15-a0-08\WpadDecisionTime = 20f7b0f3c9b8d801	88b5aaf7fbaf89b0d4110c960ba0bf59.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	88b5aaf7fbaf89b0d4110c960ba0bf59.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	88b5aaf7fbaf89b0d4110c960ba0bf59.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	88b5aaf7fbaf89b0d4110c960ba0bf59.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	88b5aaf7fbaf89b0d4110c960ba0bf59.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	88b5aaf7fbaf89b0d4110c960ba0bf59.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{44705F7C-6AA8-4ED6-A2F5-774BD2740C95}	88b5aaf7fbaf89b0d4110c960ba0bf59.exe

C:\Users\Admin\AppData\Local\Temp\88b5aaf7fbaf89b0d4110c960ba0bf59.exe
"C:\Users\Admin\AppData\Local\Temp\88b5aaf7fbaf89b0d4110c960ba0bf59.exe"
1⤵
- Drops file in Windows directory
PID:752

C:\Users\Admin\AppData\Local\Temp\88b5aaf7fbaf89b0d4110c960ba0bf59.exe
C:\Users\Admin\AppData\Local\Temp\88b5aaf7fbaf89b0d4110c960ba0bf59.exe -m security
1⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:2000

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

memory/752-54-0x0000000075D01000-0x0000000075D03000-memory.dmp

Filesize
8KB

Download

Analysis

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