wannacry | cc65535243dfd3cd54a9c5ecfcb93c7f918a87c725e9c52925017ab92effe278

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05/02/2025, 09:01

15/10/2024, 03:47

05/08/2024, 04:49

05/08/2024, 03:50

Analysis

max time kernel
15s
max time network
16s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
05/08/2024, 03:50

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General

Target
1d51d46e07d1aaaf34b8b43371bb71aa87812b226341944ab661c286e66de4cd.exe
Size 6.4MB
Sample240805-eee4jszepd
SHA256 1d51d46e07d1aaaf34b8b43371bb71aa87812b226341944ab661c286e66de4cd
MD5 356388cdb4f74188812fa44c0aef000b
SHA1 59130f7b2e63422da6f620fa29cc6837903584cb
SHA512 11ba99f6a151675408f76f4c02d10a80a60f74d6c4e0ef794043d36237b002cf8ab577421758f16fe678f1f190782aba7adbdf33c87693c379dd18e3176dae83
SSDEEP 98304:f/qPoBhz1aRxcSUDk36SAEdhvxWa9P593R8jHI:f/qPe1Cxcxk3ZAEUadzR8jHI
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry

Executes dropped EXE 1 IoCs

pid	Process
2852	tasksche.exe

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	1d51d46e07d1aaaf34b8b43371bb71aa87812b226341944ab661c286e66de4cd.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	1d51d46e07d1aaaf34b8b43371bb71aa87812b226341944ab661c286e66de4cd.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	1d51d46e07d1aaaf34b8b43371bb71aa87812b226341944ab661c286e66de4cd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1d51d46e07d1aaaf34b8b43371bb71aa87812b226341944ab661c286e66de4cd.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	1d51d46e07d1aaaf34b8b43371bb71aa87812b226341944ab661c286e66de4cd.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	1d51d46e07d1aaaf34b8b43371bb71aa87812b226341944ab661c286e66de4cd.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	1d51d46e07d1aaaf34b8b43371bb71aa87812b226341944ab661c286e66de4cd.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	1d51d46e07d1aaaf34b8b43371bb71aa87812b226341944ab661c286e66de4cd.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f002a000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	1d51d46e07d1aaaf34b8b43371bb71aa87812b226341944ab661c286e66de4cd.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\e2-0d-52-7d-02-f4\WpadDecision = "0"	1d51d46e07d1aaaf34b8b43371bb71aa87812b226341944ab661c286e66de4cd.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{91668714-ABF6-4983-AA07-BDE10433535B}\WpadDecisionTime = c0b06cbaeae6da01	1d51d46e07d1aaaf34b8b43371bb71aa87812b226341944ab661c286e66de4cd.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	1d51d46e07d1aaaf34b8b43371bb71aa87812b226341944ab661c286e66de4cd.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	1d51d46e07d1aaaf34b8b43371bb71aa87812b226341944ab661c286e66de4cd.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	1d51d46e07d1aaaf34b8b43371bb71aa87812b226341944ab661c286e66de4cd.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	1d51d46e07d1aaaf34b8b43371bb71aa87812b226341944ab661c286e66de4cd.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	1d51d46e07d1aaaf34b8b43371bb71aa87812b226341944ab661c286e66de4cd.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{91668714-ABF6-4983-AA07-BDE10433535B}	1d51d46e07d1aaaf34b8b43371bb71aa87812b226341944ab661c286e66de4cd.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{91668714-ABF6-4983-AA07-BDE10433535B}\WpadDecisionReason = "1"	1d51d46e07d1aaaf34b8b43371bb71aa87812b226341944ab661c286e66de4cd.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\e2-0d-52-7d-02-f4	1d51d46e07d1aaaf34b8b43371bb71aa87812b226341944ab661c286e66de4cd.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{91668714-ABF6-4983-AA07-BDE10433535B}\e2-0d-52-7d-02-f4	1d51d46e07d1aaaf34b8b43371bb71aa87812b226341944ab661c286e66de4cd.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\e2-0d-52-7d-02-f4\WpadDecisionReason = "1"	1d51d46e07d1aaaf34b8b43371bb71aa87812b226341944ab661c286e66de4cd.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\e2-0d-52-7d-02-f4\WpadDecisionTime = c0b06cbaeae6da01	1d51d46e07d1aaaf34b8b43371bb71aa87812b226341944ab661c286e66de4cd.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	1d51d46e07d1aaaf34b8b43371bb71aa87812b226341944ab661c286e66de4cd.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	1d51d46e07d1aaaf34b8b43371bb71aa87812b226341944ab661c286e66de4cd.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	1d51d46e07d1aaaf34b8b43371bb71aa87812b226341944ab661c286e66de4cd.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{91668714-ABF6-4983-AA07-BDE10433535B}\WpadNetworkName = "Network 3"	1d51d46e07d1aaaf34b8b43371bb71aa87812b226341944ab661c286e66de4cd.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	1d51d46e07d1aaaf34b8b43371bb71aa87812b226341944ab661c286e66de4cd.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{91668714-ABF6-4983-AA07-BDE10433535B}\WpadDecision = "0"	1d51d46e07d1aaaf34b8b43371bb71aa87812b226341944ab661c286e66de4cd.exe

C:\Users\Admin\AppData\Local\Temp\1d51d46e07d1aaaf34b8b43371bb71aa87812b226341944ab661c286e66de4cd.exe
"C:\Users\Admin\AppData\Local\Temp\1d51d46e07d1aaaf34b8b43371bb71aa87812b226341944ab661c286e66de4cd.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2052
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2852

C:\Users\Admin\AppData\Local\Temp\1d51d46e07d1aaaf34b8b43371bb71aa87812b226341944ab661c286e66de4cd.exe
C:\Users\Admin\AppData\Local\Temp\1d51d46e07d1aaaf34b8b43371bb71aa87812b226341944ab661c286e66de4cd.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2264

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

tasksche.exe

Path C:\Windows\tasksche.exe
Size 3.4MB
SHA256 e4a2c14bd7734cdec4317541450babbf0f5767733343c76c4b1328b1798457a3
MD5 39ced5bf95a55cc218456a0f0633166e
SHA1 3880b33df5c19b2dbfafaf6a4ba44e05b87e8039
SHA512 267c8d180026d4148672a3c252f29dc2de81138708266443e531dfcf9a5a3498426acd185c3ae3da471a09d736aa8eaa74fd131703b64925c3d95ade6403ce53
SSDEEP 98304:QqPoBhz1aRxcSUDk36SAEdhvxWa9P593R8jHj:QqPe1Cxcxk3ZAEUadzR8jHj
MD5 SHA1 SHA512 SSDEEP

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