wannacry | 91647c8fdf3bc3b25797cb367d578dd3044f76993ba8457d89876f55b5cc841a

General

Target

91647c8fdf3bc3b25797cb367d578dd3044f76993ba8457d89876f55b5cc841a.exe
Size

5.0MB
MD5

4bc70640a4fe437921ec5e143e7de636
SHA1

069c081ae40813a2168db3853eac5aba22d54066
SHA256

91647c8fdf3bc3b25797cb367d578dd3044f76993ba8457d89876f55b5cc841a
SHA512

2fee817321bef778f2dd7214c386b9e66c2f151e86485e14fd522d8f00eeb5abe7111b49e84587d9184ab0d1a45d81a30071522eff77f8fe94f535986044994c
SSDEEP

49152:2nAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAAV:yDqPoBhz1aRxcSUDk36SAA

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 (3230) 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
2092	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	91647c8fdf3bc3b25797cb367d578dd3044f76993ba8457d89876f55b5cc841a.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	91647c8fdf3bc3b25797cb367d578dd3044f76993ba8457d89876f55b5cc841a.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	91647c8fdf3bc3b25797cb367d578dd3044f76993ba8457d89876f55b5cc841a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	91647c8fdf3bc3b25797cb367d578dd3044f76993ba8457d89876f55b5cc841a.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E7A3206B-B098-4D4F-86F5-A176114A80BF}\WpadDecisionReason = "1"	91647c8fdf3bc3b25797cb367d578dd3044f76993ba8457d89876f55b5cc841a.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\a6-11-c3-90-b8-a1	91647c8fdf3bc3b25797cb367d578dd3044f76993ba8457d89876f55b5cc841a.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\a6-11-c3-90-b8-a1\WpadDecision = "0"	91647c8fdf3bc3b25797cb367d578dd3044f76993ba8457d89876f55b5cc841a.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	91647c8fdf3bc3b25797cb367d578dd3044f76993ba8457d89876f55b5cc841a.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	91647c8fdf3bc3b25797cb367d578dd3044f76993ba8457d89876f55b5cc841a.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E7A3206B-B098-4D4F-86F5-A176114A80BF}	91647c8fdf3bc3b25797cb367d578dd3044f76993ba8457d89876f55b5cc841a.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	91647c8fdf3bc3b25797cb367d578dd3044f76993ba8457d89876f55b5cc841a.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	91647c8fdf3bc3b25797cb367d578dd3044f76993ba8457d89876f55b5cc841a.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E7A3206B-B098-4D4F-86F5-A176114A80BF}\a6-11-c3-90-b8-a1	91647c8fdf3bc3b25797cb367d578dd3044f76993ba8457d89876f55b5cc841a.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	91647c8fdf3bc3b25797cb367d578dd3044f76993ba8457d89876f55b5cc841a.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00af000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	91647c8fdf3bc3b25797cb367d578dd3044f76993ba8457d89876f55b5cc841a.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\a6-11-c3-90-b8-a1\WpadDecisionReason = "1"	91647c8fdf3bc3b25797cb367d578dd3044f76993ba8457d89876f55b5cc841a.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	91647c8fdf3bc3b25797cb367d578dd3044f76993ba8457d89876f55b5cc841a.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	91647c8fdf3bc3b25797cb367d578dd3044f76993ba8457d89876f55b5cc841a.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	91647c8fdf3bc3b25797cb367d578dd3044f76993ba8457d89876f55b5cc841a.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	91647c8fdf3bc3b25797cb367d578dd3044f76993ba8457d89876f55b5cc841a.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	91647c8fdf3bc3b25797cb367d578dd3044f76993ba8457d89876f55b5cc841a.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E7A3206B-B098-4D4F-86F5-A176114A80BF}\WpadDecisionTime = 805665587654db01	91647c8fdf3bc3b25797cb367d578dd3044f76993ba8457d89876f55b5cc841a.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E7A3206B-B098-4D4F-86F5-A176114A80BF}\WpadDecision = "0"	91647c8fdf3bc3b25797cb367d578dd3044f76993ba8457d89876f55b5cc841a.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E7A3206B-B098-4D4F-86F5-A176114A80BF}\WpadNetworkName = "Network 3"	91647c8fdf3bc3b25797cb367d578dd3044f76993ba8457d89876f55b5cc841a.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	91647c8fdf3bc3b25797cb367d578dd3044f76993ba8457d89876f55b5cc841a.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	91647c8fdf3bc3b25797cb367d578dd3044f76993ba8457d89876f55b5cc841a.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	91647c8fdf3bc3b25797cb367d578dd3044f76993ba8457d89876f55b5cc841a.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\a6-11-c3-90-b8-a1\WpadDecisionTime = 805665587654db01	91647c8fdf3bc3b25797cb367d578dd3044f76993ba8457d89876f55b5cc841a.exe

C:\Users\Admin\AppData\Local\Temp\91647c8fdf3bc3b25797cb367d578dd3044f76993ba8457d89876f55b5cc841a.exe
"C:\Users\Admin\AppData\Local\Temp\91647c8fdf3bc3b25797cb367d578dd3044f76993ba8457d89876f55b5cc841a.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2408
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2092

C:\Users\Admin\AppData\Local\Temp\91647c8fdf3bc3b25797cb367d578dd3044f76993ba8457d89876f55b5cc841a.exe
C:\Users\Admin\AppData\Local\Temp\91647c8fdf3bc3b25797cb367d578dd3044f76993ba8457d89876f55b5cc841a.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1152

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
e36210a397bffab93372523e7a0b9ac3

SHA1
a787b834ebea2f4463ba478a808c6514c78c87d2

SHA256
584553664dc9dd0db9c064cdccd9b20165d97f1df4e676bc8f1a268afd2cb2a4

SHA512
1eb8b92f38ca1abc0b364f007f77132c664d2cf3da6241586d9dd8b5c3f243bdb8bd10847630648f2a235b3db4c5439d2dabfbd39e2942b1371e7f17521a0f9e

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Analysis

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