wannacry | 7a380638ed5b5db29d1d25402fd213eb607b4efc923104eac65c86f223efd4bc

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
01-07-2024 10:43

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-07-01_ac9f9b8198c987fdd42bcecf80000616_wannacry.exe
Size

5.0MB
MD5

ac9f9b8198c987fdd42bcecf80000616
SHA1

5ef02a59b486bf2493ec83f57019d6200a0d141e
SHA256

7a380638ed5b5db29d1d25402fd213eb607b4efc923104eac65c86f223efd4bc
SHA512

01408e9e2f2e3ca87cf1e252d3d84c4353cb2ae1c9dcdaecc16936ba57897e70ada5a458082ba67546eb1a36d76465f3262217908c43f921c724466f92d30062
SSDEEP

98304:yDqPoBhz1aRxcSUDk36SAEdhvxWa9P593R8yAVp2:yDqPe1Cxcxk3ZAEUadzR8yc4

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3093) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046
Executes dropped EXE 1 IoCs

Processes:

tasksche.exe

pid process

2892 tasksche.exe
Creates a large amount of network flows 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046

pid	process
2892	tasksche.exe

Drops file in System32 directory 1 IoCs

Processes:

2024-07-01_ac9f9b8198c987fdd42bcecf80000616_wannacry.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2024-07-01_ac9f9b8198c987fdd42bcecf80000616_wannacry.exe

Drops file in Windows directory 1 IoCs

Processes:

2024-07-01_ac9f9b8198c987fdd42bcecf80000616_wannacry.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 2024-07-01_ac9f9b8198c987fdd42bcecf80000616_wannacry.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	2024-07-01_ac9f9b8198c987fdd42bcecf80000616_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

Processes:

2024-07-01_ac9f9b8198c987fdd42bcecf80000616_wannacry.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-07-01_ac9f9b8198c987fdd42bcecf80000616_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-07-01_ac9f9b8198c987fdd42bcecf80000616_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0179000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-07-01_ac9f9b8198c987fdd42bcecf80000616_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{BD140327-DDC0-472A-93BB-F58324E74540}	2024-07-01_ac9f9b8198c987fdd42bcecf80000616_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\56-fc-13-03-bd-e3	2024-07-01_ac9f9b8198c987fdd42bcecf80000616_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-07-01_ac9f9b8198c987fdd42bcecf80000616_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-07-01_ac9f9b8198c987fdd42bcecf80000616_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-07-01_ac9f9b8198c987fdd42bcecf80000616_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{BD140327-DDC0-472A-93BB-F58324E74540}\56-fc-13-03-bd-e3	2024-07-01_ac9f9b8198c987fdd42bcecf80000616_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{BD140327-DDC0-472A-93BB-F58324E74540}\WpadDecisionTime = 0049b97fa3cbda01	2024-07-01_ac9f9b8198c987fdd42bcecf80000616_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\56-fc-13-03-bd-e3\WpadDecision = "0"	2024-07-01_ac9f9b8198c987fdd42bcecf80000616_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-07-01_ac9f9b8198c987fdd42bcecf80000616_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-07-01_ac9f9b8198c987fdd42bcecf80000616_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-07-01_ac9f9b8198c987fdd42bcecf80000616_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{BD140327-DDC0-472A-93BB-F58324E74540}\WpadNetworkName = "Network 3"	2024-07-01_ac9f9b8198c987fdd42bcecf80000616_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\56-fc-13-03-bd-e3\WpadDecisionReason = "1"	2024-07-01_ac9f9b8198c987fdd42bcecf80000616_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-07-01_ac9f9b8198c987fdd42bcecf80000616_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-07-01_ac9f9b8198c987fdd42bcecf80000616_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{BD140327-DDC0-472A-93BB-F58324E74540}\WpadDecisionReason = "1"	2024-07-01_ac9f9b8198c987fdd42bcecf80000616_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{BD140327-DDC0-472A-93BB-F58324E74540}\WpadDecision = "0"	2024-07-01_ac9f9b8198c987fdd42bcecf80000616_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\56-fc-13-03-bd-e3\WpadDecisionTime = 0049b97fa3cbda01	2024-07-01_ac9f9b8198c987fdd42bcecf80000616_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-07-01_ac9f9b8198c987fdd42bcecf80000616_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-07-01_ac9f9b8198c987fdd42bcecf80000616_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-07-01_ac9f9b8198c987fdd42bcecf80000616_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-07-01_ac9f9b8198c987fdd42bcecf80000616_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-07-01_ac9f9b8198c987fdd42bcecf80000616_wannacry.exe"
1⤵
- Drops file in Windows directory
PID:2540

C:\WINDOWS\tasksche.exe
C:\WINDOWS\tasksche.exe /i
2⤵
- Executes dropped EXE
PID:2892

C:\Users\Admin\AppData\Local\Temp\2024-07-01_ac9f9b8198c987fdd42bcecf80000616_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-07-01_ac9f9b8198c987fdd42bcecf80000616_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:2924

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

T1046

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\tasksche.exe
Filesize
3.4MB

MD5
48bd7d9d30f615665e6fbe5b6e43f8b8

SHA1
9f60d7761627f2e580ec5605fce1ad9cab8582fb

SHA256
28307c402fe2d42a226bc50c8144e3b07e47ea9e0a4131d61f058311c7aee88e

SHA512
0560b05f4ab4f6e1675e573f69659254221478e6dd7e87dee68f356987d0754f5d63a680fee6034b997f2f762cfc8b32825e6c758df3466e4c81b6c840d8ee7a

Download Submit