wannacry | d247e431d61e27adf7395e6714f57fe0e9a77e79ba0a02b5f8302edfa1524a10

General

Target

2024-11-18_48adb5fe6c187e0068e7b201047ba0e2_wannacry.exe
Size

3.6MB
MD5

48adb5fe6c187e0068e7b201047ba0e2
SHA1

e39bc9a562a9bb0d14bb0ff0731737dcc23777a8
SHA256

d247e431d61e27adf7395e6714f57fe0e9a77e79ba0a02b5f8302edfa1524a10
SHA512

fc90c19a4ceb8fd371c93978cca00256c8df3f260245df3ae94caa2f09933678040f7970c8e43a76cf48c7bc917861256c32f525f7f404e68835d5a4bf1e4bf5
SSDEEP

98304:yDqPoBhz1aRxcSUDk36SAEdhvxWa9P593R8I:yDqPe1Cxcxk3ZAEUadzR8I

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Wannacry family
wannacry
Contacts a large (3116) 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

2336 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
2336	tasksche.exe

Drops file in System32 directory 1 IoCs

Processes:

2024-11-18_48adb5fe6c187e0068e7b201047ba0e2_wannacry.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2024-11-18_48adb5fe6c187e0068e7b201047ba0e2_wannacry.exe

Drops file in Windows directory 1 IoCs

Processes:

2024-11-18_48adb5fe6c187e0068e7b201047ba0e2_wannacry.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 2024-11-18_48adb5fe6c187e0068e7b201047ba0e2_wannacry.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	2024-11-18_48adb5fe6c187e0068e7b201047ba0e2_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

Processes:

2024-11-18_48adb5fe6c187e0068e7b201047ba0e2_wannacry.exe2024-11-18_48adb5fe6c187e0068e7b201047ba0e2_wannacry.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-18_48adb5fe6c187e0068e7b201047ba0e2_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-18_48adb5fe6c187e0068e7b201047ba0e2_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

Processes:

2024-11-18_48adb5fe6c187e0068e7b201047ba0e2_wannacry.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A6BD06A0-EAFB-408A-9EB5-35752C26CA46}\e6-1a-6c-1c-cf-0f	2024-11-18_48adb5fe6c187e0068e7b201047ba0e2_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-11-18_48adb5fe6c187e0068e7b201047ba0e2_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-11-18_48adb5fe6c187e0068e7b201047ba0e2_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A6BD06A0-EAFB-408A-9EB5-35752C26CA46}	2024-11-18_48adb5fe6c187e0068e7b201047ba0e2_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0064000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-11-18_48adb5fe6c187e0068e7b201047ba0e2_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\e6-1a-6c-1c-cf-0f	2024-11-18_48adb5fe6c187e0068e7b201047ba0e2_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\e6-1a-6c-1c-cf-0f\WpadDecision = "0"	2024-11-18_48adb5fe6c187e0068e7b201047ba0e2_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-11-18_48adb5fe6c187e0068e7b201047ba0e2_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-11-18_48adb5fe6c187e0068e7b201047ba0e2_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-11-18_48adb5fe6c187e0068e7b201047ba0e2_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-11-18_48adb5fe6c187e0068e7b201047ba0e2_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A6BD06A0-EAFB-408A-9EB5-35752C26CA46}\WpadDecisionTime = f0019b27b739db01	2024-11-18_48adb5fe6c187e0068e7b201047ba0e2_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-11-18_48adb5fe6c187e0068e7b201047ba0e2_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-11-18_48adb5fe6c187e0068e7b201047ba0e2_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-11-18_48adb5fe6c187e0068e7b201047ba0e2_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-11-18_48adb5fe6c187e0068e7b201047ba0e2_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A6BD06A0-EAFB-408A-9EB5-35752C26CA46}\WpadDecisionReason = "1"	2024-11-18_48adb5fe6c187e0068e7b201047ba0e2_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A6BD06A0-EAFB-408A-9EB5-35752C26CA46}\WpadDecision = "0"	2024-11-18_48adb5fe6c187e0068e7b201047ba0e2_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A6BD06A0-EAFB-408A-9EB5-35752C26CA46}\WpadNetworkName = "Network 3"	2024-11-18_48adb5fe6c187e0068e7b201047ba0e2_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\e6-1a-6c-1c-cf-0f\WpadDecisionReason = "1"	2024-11-18_48adb5fe6c187e0068e7b201047ba0e2_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-11-18_48adb5fe6c187e0068e7b201047ba0e2_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-11-18_48adb5fe6c187e0068e7b201047ba0e2_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-11-18_48adb5fe6c187e0068e7b201047ba0e2_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\e6-1a-6c-1c-cf-0f\WpadDecisionTime = f0019b27b739db01	2024-11-18_48adb5fe6c187e0068e7b201047ba0e2_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-11-18_48adb5fe6c187e0068e7b201047ba0e2_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-18_48adb5fe6c187e0068e7b201047ba0e2_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2412
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2336

C:\Users\Admin\AppData\Local\Temp\2024-11-18_48adb5fe6c187e0068e7b201047ba0e2_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-18_48adb5fe6c187e0068e7b201047ba0e2_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2696

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

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
bc5789e78a774b51b24d2284012d7665

SHA1
423194fe7d8a7eb1d590ad46c9d4440bd3e346cb

SHA256
44db098da7b708f553f39f41f80c4d3f38aa728ce4d4513dbf9d3aa2851b93f9

SHA512
9da81abce19a8a2e9a76fbaf002547a274877dac698217310703ee40ed3255c4122ebfa4625571c9b5e8c6dc99e4159e0d4e7b5bd6b9cbdbf285a0a6095b2b64

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads