wannacry | 3bbe95a65e0ef8862e242d522d85050e25d0897cfe0a19f0739f5499b17eb55b

General

Target

2024092707ac8da8d8300928ce3a834b23ae1355wannacry.exe
Size

3.6MB
MD5

07ac8da8d8300928ce3a834b23ae1355
SHA1

f65167f3d8608d0d4b0c0e8ccc0246e95d7f43a7
SHA256

3bbe95a65e0ef8862e242d522d85050e25d0897cfe0a19f0739f5499b17eb55b
SHA512

8cd4a180abbc4796d5819a7c38d3031e1e06ee6b29d775875f7570c50c813be7acd3b0299792e9c41ab3825163e96f46204530036694fde634b343cdfca19db2
SSDEEP

98304:XYyfBhz1aRxcSUDk36SARxWa9P593R8yAVp2HI:XP1Cxcxk3ZAqadzR8yc4HI

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3283) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046
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	2024092707ac8da8d8300928ce3a834b23ae1355wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024092707ac8da8d8300928ce3a834b23ae1355wannacry.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	2024092707ac8da8d8300928ce3a834b23ae1355wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024092707ac8da8d8300928ce3a834b23ae1355wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{8761105F-E0F9-4880-AC4E-1D5BBFD44DC6}\WpadDecisionTime = 40b7e3993811db01	2024092707ac8da8d8300928ce3a834b23ae1355wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{8761105F-E0F9-4880-AC4E-1D5BBFD44DC6}\WpadDecision = "0"	2024092707ac8da8d8300928ce3a834b23ae1355wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{8761105F-E0F9-4880-AC4E-1D5BBFD44DC6}\c2-5e-4b-04-5f-96	2024092707ac8da8d8300928ce3a834b23ae1355wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024092707ac8da8d8300928ce3a834b23ae1355wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024092707ac8da8d8300928ce3a834b23ae1355wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024092707ac8da8d8300928ce3a834b23ae1355wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024092707ac8da8d8300928ce3a834b23ae1355wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00b5000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024092707ac8da8d8300928ce3a834b23ae1355wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024092707ac8da8d8300928ce3a834b23ae1355wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024092707ac8da8d8300928ce3a834b23ae1355wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{8761105F-E0F9-4880-AC4E-1D5BBFD44DC6}	2024092707ac8da8d8300928ce3a834b23ae1355wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{8761105F-E0F9-4880-AC4E-1D5BBFD44DC6}\WpadDecisionReason = "1"	2024092707ac8da8d8300928ce3a834b23ae1355wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\c2-5e-4b-04-5f-96\WpadDecisionReason = "1"	2024092707ac8da8d8300928ce3a834b23ae1355wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024092707ac8da8d8300928ce3a834b23ae1355wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024092707ac8da8d8300928ce3a834b23ae1355wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024092707ac8da8d8300928ce3a834b23ae1355wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024092707ac8da8d8300928ce3a834b23ae1355wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{8761105F-E0F9-4880-AC4E-1D5BBFD44DC6}\WpadNetworkName = "Network 3"	2024092707ac8da8d8300928ce3a834b23ae1355wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\c2-5e-4b-04-5f-96\WpadDecision = "0"	2024092707ac8da8d8300928ce3a834b23ae1355wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024092707ac8da8d8300928ce3a834b23ae1355wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024092707ac8da8d8300928ce3a834b23ae1355wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024092707ac8da8d8300928ce3a834b23ae1355wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\c2-5e-4b-04-5f-96	2024092707ac8da8d8300928ce3a834b23ae1355wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\c2-5e-4b-04-5f-96\WpadDecisionTime = 40b7e3993811db01	2024092707ac8da8d8300928ce3a834b23ae1355wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024092707ac8da8d8300928ce3a834b23ae1355wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024092707ac8da8d8300928ce3a834b23ae1355wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1428

C:\Users\Admin\AppData\Local\Temp\2024092707ac8da8d8300928ce3a834b23ae1355wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024092707ac8da8d8300928ce3a834b23ae1355wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2212

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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