wannacry | 6e9102e179d61334d255bc0aeed4493fc16b82c343f0b46a1d4d95eaef73be5a

General

Target

2024-11-01_c73abcf001eeb9005dbaeca72e0033a4_wannacry.exe
Size

3.6MB
MD5

c73abcf001eeb9005dbaeca72e0033a4
SHA1

c4736013d4019117cb5f55889ff9ec69a8be3f9a
SHA256

6e9102e179d61334d255bc0aeed4493fc16b82c343f0b46a1d4d95eaef73be5a
SHA512

bb1c4325fde98fa175cbe6e26cfa120f318b5e7f14713233fa6cf99d14a0db928afa493cca744152c1c9c503232d85c70c8a80042041fc5024febcb37b5d7927
SSDEEP

98304:yDqPoBhz1aRxcSUDk36SAEdhvzWa9P593R8yAVp2HI:yDqPe1Cxcxk3ZAEOadzR8yc4HI

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 (3095) 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

1704 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
1704	tasksche.exe

Drops file in System32 directory 1 IoCs

Processes:

2024-11-01_c73abcf001eeb9005dbaeca72e0033a4_wannacry.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2024-11-01_c73abcf001eeb9005dbaeca72e0033a4_wannacry.exe

Drops file in Windows directory 1 IoCs

Processes:

2024-11-01_c73abcf001eeb9005dbaeca72e0033a4_wannacry.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 2024-11-01_c73abcf001eeb9005dbaeca72e0033a4_wannacry.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	2024-11-01_c73abcf001eeb9005dbaeca72e0033a4_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:

2024-11-01_c73abcf001eeb9005dbaeca72e0033a4_wannacry.exe2024-11-01_c73abcf001eeb9005dbaeca72e0033a4_wannacry.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-01_c73abcf001eeb9005dbaeca72e0033a4_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-01_c73abcf001eeb9005dbaeca72e0033a4_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

Processes:

2024-11-01_c73abcf001eeb9005dbaeca72e0033a4_wannacry.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-11-01_c73abcf001eeb9005dbaeca72e0033a4_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-11-01_c73abcf001eeb9005dbaeca72e0033a4_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-11-01_c73abcf001eeb9005dbaeca72e0033a4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-11-01_c73abcf001eeb9005dbaeca72e0033a4_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{DA1F06BA-9B0C-4A56-AF3D-985B19E997FD}	2024-11-01_c73abcf001eeb9005dbaeca72e0033a4_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\96-34-e8-ed-07-33\WpadDecisionTime = 00581996762cdb01	2024-11-01_c73abcf001eeb9005dbaeca72e0033a4_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-11-01_c73abcf001eeb9005dbaeca72e0033a4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-11-01_c73abcf001eeb9005dbaeca72e0033a4_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-11-01_c73abcf001eeb9005dbaeca72e0033a4_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00b1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-11-01_c73abcf001eeb9005dbaeca72e0033a4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{DA1F06BA-9B0C-4A56-AF3D-985B19E997FD}\WpadDecisionReason = "1"	2024-11-01_c73abcf001eeb9005dbaeca72e0033a4_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{DA1F06BA-9B0C-4A56-AF3D-985B19E997FD}\WpadDecisionTime = 00581996762cdb01	2024-11-01_c73abcf001eeb9005dbaeca72e0033a4_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\96-34-e8-ed-07-33	2024-11-01_c73abcf001eeb9005dbaeca72e0033a4_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{DA1F06BA-9B0C-4A56-AF3D-985B19E997FD}\96-34-e8-ed-07-33	2024-11-01_c73abcf001eeb9005dbaeca72e0033a4_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-11-01_c73abcf001eeb9005dbaeca72e0033a4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\96-34-e8-ed-07-33\WpadDecision = "0"	2024-11-01_c73abcf001eeb9005dbaeca72e0033a4_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-11-01_c73abcf001eeb9005dbaeca72e0033a4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-11-01_c73abcf001eeb9005dbaeca72e0033a4_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-11-01_c73abcf001eeb9005dbaeca72e0033a4_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-11-01_c73abcf001eeb9005dbaeca72e0033a4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{DA1F06BA-9B0C-4A56-AF3D-985B19E997FD}\WpadDecision = "0"	2024-11-01_c73abcf001eeb9005dbaeca72e0033a4_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{DA1F06BA-9B0C-4A56-AF3D-985B19E997FD}\WpadNetworkName = "Network 3"	2024-11-01_c73abcf001eeb9005dbaeca72e0033a4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\96-34-e8-ed-07-33\WpadDecisionReason = "1"	2024-11-01_c73abcf001eeb9005dbaeca72e0033a4_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-11-01_c73abcf001eeb9005dbaeca72e0033a4_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-11-01_c73abcf001eeb9005dbaeca72e0033a4_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-01_c73abcf001eeb9005dbaeca72e0033a4_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1996
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:1704

C:\Users\Admin\AppData\Local\Temp\2024-11-01_c73abcf001eeb9005dbaeca72e0033a4_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-01_c73abcf001eeb9005dbaeca72e0033a4_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2252

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
7f81195786ca87b6dfdf7404443e42b4

SHA1
0f142c7bccf609da487b321b3f4f6fa3db0a959a

SHA256
5b242886836ebf7173d9a748e4d4f2c0408fd38b007509e8819e6aebfe510c60

SHA512
ad89846c90f806360fc56ff0c873331471d4c737143c819748427385360a3473b9b7b5bcd8bf0d35b9d44cbdfb34c6b0b37426b0d1f922b4e8ac743431367d8e

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads