wannacry | 5dc1fefd645c696c4538f7476823f5f19d3c686ab45b57207af9a20601f86c23

General

Target

2024-09-27_654b35309ba5da582a844b331ac973b6_wannacry.exe
Size

3.6MB
MD5

654b35309ba5da582a844b331ac973b6
SHA1

bfd64481bfbf387c60c99961e1c88d8b1a715d52
SHA256

5dc1fefd645c696c4538f7476823f5f19d3c686ab45b57207af9a20601f86c23
SHA512

ea4e3e244502ae008c60e38a844ea8866306371175984e657f089fcb9b9337671d74911b5c3503cae600348d4b04b23d87aca918ff0d18fa0152ff50358d3bf5
SSDEEP

49152:2nAQqMSPbcBD6c//bCKYWu0J6izuLzJYtqIOUpKDfAVJ9:yDqPoBl7zuL2pgk

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3190) 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

pid	Process
2828	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

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2024-09-27_654b35309ba5da582a844b331ac973b6_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-09-27_654b35309ba5da582a844b331ac973b6_wannacry.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-27_654b35309ba5da582a844b331ac973b6_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-27_654b35309ba5da582a844b331ac973b6_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-09-27_654b35309ba5da582a844b331ac973b6_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-09-27_654b35309ba5da582a844b331ac973b6_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-09-27_654b35309ba5da582a844b331ac973b6_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-09-27_654b35309ba5da582a844b331ac973b6_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-09-27_654b35309ba5da582a844b331ac973b6_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f016a000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-09-27_654b35309ba5da582a844b331ac973b6_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{086F7436-B1D6-4ACF-BF1A-4CDB2F81EF3C}	2024-09-27_654b35309ba5da582a844b331ac973b6_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-09-27_654b35309ba5da582a844b331ac973b6_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\66-41-c1-a3-ee-bd\WpadDecisionReason = "1"	2024-09-27_654b35309ba5da582a844b331ac973b6_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-09-27_654b35309ba5da582a844b331ac973b6_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-09-27_654b35309ba5da582a844b331ac973b6_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-09-27_654b35309ba5da582a844b331ac973b6_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{086F7436-B1D6-4ACF-BF1A-4CDB2F81EF3C}\WpadDecisionReason = "1"	2024-09-27_654b35309ba5da582a844b331ac973b6_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{086F7436-B1D6-4ACF-BF1A-4CDB2F81EF3C}\WpadDecisionTime = 206cc5b1ff10db01	2024-09-27_654b35309ba5da582a844b331ac973b6_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{086F7436-B1D6-4ACF-BF1A-4CDB2F81EF3C}\WpadDecision = "0"	2024-09-27_654b35309ba5da582a844b331ac973b6_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{086F7436-B1D6-4ACF-BF1A-4CDB2F81EF3C}\66-41-c1-a3-ee-bd	2024-09-27_654b35309ba5da582a844b331ac973b6_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-09-27_654b35309ba5da582a844b331ac973b6_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-09-27_654b35309ba5da582a844b331ac973b6_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{086F7436-B1D6-4ACF-BF1A-4CDB2F81EF3C}\WpadNetworkName = "Network 3"	2024-09-27_654b35309ba5da582a844b331ac973b6_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\66-41-c1-a3-ee-bd	2024-09-27_654b35309ba5da582a844b331ac973b6_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\66-41-c1-a3-ee-bd\WpadDecisionTime = 206cc5b1ff10db01	2024-09-27_654b35309ba5da582a844b331ac973b6_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\66-41-c1-a3-ee-bd\WpadDecision = "0"	2024-09-27_654b35309ba5da582a844b331ac973b6_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-09-27_654b35309ba5da582a844b331ac973b6_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-09-27_654b35309ba5da582a844b331ac973b6_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-09-27_654b35309ba5da582a844b331ac973b6_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-27_654b35309ba5da582a844b331ac973b6_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1388
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2828

C:\Users\Admin\AppData\Local\Temp\2024-09-27_654b35309ba5da582a844b331ac973b6_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-09-27_654b35309ba5da582a844b331ac973b6_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2812

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

2

T1046

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
05da683d084e6e03b47bda19fb9ee142

SHA1
bc0b3daa2c33501680c2b304d58b0cc762fe376c

SHA256
a79867a698f370b8602f67ced1d6c12a241121b842d3fbc1135a65f4625ca698

SHA512
281b0d648e4462d234d487e34094b83a06430d4c3aa90f3e839e8e2def66d25ee9af10ff271f0f9ed46224cfecef52cbafb610094dd3b4b0076f5088897aa290

Download Submit

Analysis

Sharing