wannacry | d46baceb692e3cf6e3bb0a309c0446541d7a85b7af98d32cdabfd37cf8399d2a

General

Target

2024-10-30_6d4be73f2e3c7ba98ea9eda27c9bf7d6_wannacry.exe
Size

5.0MB
MD5

6d4be73f2e3c7ba98ea9eda27c9bf7d6
SHA1

0086de39898ebace21275f5c5c8e0980fc0b7dce
SHA256

d46baceb692e3cf6e3bb0a309c0446541d7a85b7af98d32cdabfd37cf8399d2a
SHA512

da7dd954c19156b3e43bb04a2d9f9ad07828d905e3b4198094744abd814776ba3b902843b4d27cb4c1b8ea3510a296d516a1f269ab83e9e55cae385eda4093e2
SSDEEP

6144:eE9l9ynRIYVTH5DgSgNajldktM0XXrCIai62yV9qbBLIwY:e1bLgmluCti62ybaI

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 (3235) 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

2688 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
2688	tasksche.exe

Drops file in System32 directory 5 IoCs

Processes:

2024-10-30_6d4be73f2e3c7ba98ea9eda27c9bf7d6_wannacry.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2024-10-30_6d4be73f2e3c7ba98ea9eda27c9bf7d6_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\WA9TDSLN.txt	2024-10-30_6d4be73f2e3c7ba98ea9eda27c9bf7d6_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\WA9TDSLN.txt	2024-10-30_6d4be73f2e3c7ba98ea9eda27c9bf7d6_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\A6Z7NX7Q.txt	2024-10-30_6d4be73f2e3c7ba98ea9eda27c9bf7d6_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\A6Z7NX7Q.txt	2024-10-30_6d4be73f2e3c7ba98ea9eda27c9bf7d6_wannacry.exe

Drops file in Windows directory 1 IoCs

Processes:

2024-10-30_6d4be73f2e3c7ba98ea9eda27c9bf7d6_wannacry.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 2024-10-30_6d4be73f2e3c7ba98ea9eda27c9bf7d6_wannacry.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2660 2688 WerFault.exe tasksche.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	2024-10-30_6d4be73f2e3c7ba98ea9eda27c9bf7d6_wannacry.exe

pid	pid_target	process	target process
2660	2688	WerFault.exe	tasksche.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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:

tasksche.exe2024-10-30_6d4be73f2e3c7ba98ea9eda27c9bf7d6_wannacry.exe2024-10-30_6d4be73f2e3c7ba98ea9eda27c9bf7d6_wannacry.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tasksche.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-30_6d4be73f2e3c7ba98ea9eda27c9bf7d6_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-30_6d4be73f2e3c7ba98ea9eda27c9bf7d6_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

Processes:

2024-10-30_6d4be73f2e3c7ba98ea9eda27c9bf7d6_wannacry.exe

description	ioc	process
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-30_6d4be73f2e3c7ba98ea9eda27c9bf7d6_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-30_6d4be73f2e3c7ba98ea9eda27c9bf7d6_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-10-30_6d4be73f2e3c7ba98ea9eda27c9bf7d6_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3375283B-47F2-4070-9CC3-06DFF0EEF167}\16-67-6b-db-93-6a	2024-10-30_6d4be73f2e3c7ba98ea9eda27c9bf7d6_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-10-30_6d4be73f2e3c7ba98ea9eda27c9bf7d6_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-10-30_6d4be73f2e3c7ba98ea9eda27c9bf7d6_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-10-30_6d4be73f2e3c7ba98ea9eda27c9bf7d6_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3375283B-47F2-4070-9CC3-06DFF0EEF167}	2024-10-30_6d4be73f2e3c7ba98ea9eda27c9bf7d6_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3375283B-47F2-4070-9CC3-06DFF0EEF167}\WpadDecisionReason = "1"	2024-10-30_6d4be73f2e3c7ba98ea9eda27c9bf7d6_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3375283B-47F2-4070-9CC3-06DFF0EEF167}\WpadNetworkName = "Network 3"	2024-10-30_6d4be73f2e3c7ba98ea9eda27c9bf7d6_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\16-67-6b-db-93-6a\WpadDecisionReason = "1"	2024-10-30_6d4be73f2e3c7ba98ea9eda27c9bf7d6_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\16-67-6b-db-93-6a\WpadDecision = "0"	2024-10-30_6d4be73f2e3c7ba98ea9eda27c9bf7d6_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-30_6d4be73f2e3c7ba98ea9eda27c9bf7d6_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-10-30_6d4be73f2e3c7ba98ea9eda27c9bf7d6_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-30_6d4be73f2e3c7ba98ea9eda27c9bf7d6_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-30_6d4be73f2e3c7ba98ea9eda27c9bf7d6_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-10-30_6d4be73f2e3c7ba98ea9eda27c9bf7d6_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3375283B-47F2-4070-9CC3-06DFF0EEF167}\WpadDecisionTime = 50869159ff2adb01	2024-10-30_6d4be73f2e3c7ba98ea9eda27c9bf7d6_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3375283B-47F2-4070-9CC3-06DFF0EEF167}\WpadDecision = "0"	2024-10-30_6d4be73f2e3c7ba98ea9eda27c9bf7d6_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-10-30_6d4be73f2e3c7ba98ea9eda27c9bf7d6_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-10-30_6d4be73f2e3c7ba98ea9eda27c9bf7d6_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f011c000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-30_6d4be73f2e3c7ba98ea9eda27c9bf7d6_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\16-67-6b-db-93-6a	2024-10-30_6d4be73f2e3c7ba98ea9eda27c9bf7d6_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\16-67-6b-db-93-6a\WpadDecisionTime = 50869159ff2adb01	2024-10-30_6d4be73f2e3c7ba98ea9eda27c9bf7d6_wannacry.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

2024-10-30_6d4be73f2e3c7ba98ea9eda27c9bf7d6_wannacry.exetasksche.exe

description	pid	process	target process
PID 2788 wrote to memory of 2688	2788	2024-10-30_6d4be73f2e3c7ba98ea9eda27c9bf7d6_wannacry.exe	tasksche.exe
PID 2788 wrote to memory of 2688	2788	2024-10-30_6d4be73f2e3c7ba98ea9eda27c9bf7d6_wannacry.exe	tasksche.exe
PID 2788 wrote to memory of 2688	2788	2024-10-30_6d4be73f2e3c7ba98ea9eda27c9bf7d6_wannacry.exe	tasksche.exe
PID 2788 wrote to memory of 2688	2788	2024-10-30_6d4be73f2e3c7ba98ea9eda27c9bf7d6_wannacry.exe	tasksche.exe
PID 2688 wrote to memory of 2660	2688	tasksche.exe	WerFault.exe
PID 2688 wrote to memory of 2660	2688	tasksche.exe	WerFault.exe
PID 2688 wrote to memory of 2660	2688	tasksche.exe	WerFault.exe
PID 2688 wrote to memory of 2660	2688	tasksche.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-30_6d4be73f2e3c7ba98ea9eda27c9bf7d6_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-30_6d4be73f2e3c7ba98ea9eda27c9bf7d6_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2788
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2688
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2688 -s 36
    3⤵
    - Program crash
    PID:2660

C:\Users\Admin\AppData\Local\Temp\2024-10-30_6d4be73f2e3c7ba98ea9eda27c9bf7d6_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-30_6d4be73f2e3c7ba98ea9eda27c9bf7d6_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2792

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
2.0MB

MD5
0476e2b506783175f3195160507d2cbd

SHA1
216a3a907280aa0494d0aef588ef700b2f81a2d2

SHA256
bc0a2155bc78ca86153562d52d92a061c8ad0e5a0335f1a3cdceb93c82011dd3

SHA512
48a12c753554a153b3219b132004521ba5de62bd889ed0cba8665e659910829a2d2eae6c6237a45c6e2bbfb167b498b9ac225fb4e4bdae45e615e7e2babde9db

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads