wannacry | 700cb9151e5a2df2c598e6cb623055367b7d9b33b96848537c880ab677f7bc88

General

Target

2024-10-07_6cf94a08188380a2a33935cbd9c8674d_wannacry.exe
Size

5.0MB
MD5

6cf94a08188380a2a33935cbd9c8674d
SHA1

a63170c5c000dbe9d1a81b2096c173d81c561f58
SHA256

700cb9151e5a2df2c598e6cb623055367b7d9b33b96848537c880ab677f7bc88
SHA512

4859624df20b54796d0e074f001ede23193a4451edf68db4ac0e9662bec78f7241dcaf956f5581b84de0a4a50fc664121026e226844e2b39a1c2f11af6acafac
SSDEEP

98304:XDqPoBhz1aRxcSUDk36SAEdhvxWa9P59:XDqPe1Cxcxk3ZAEUad

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3282) 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
2624	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	2024-10-07_6cf94a08188380a2a33935cbd9c8674d_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-10-07_6cf94a08188380a2a33935cbd9c8674d_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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-07_6cf94a08188380a2a33935cbd9c8674d_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-07_6cf94a08188380a2a33935cbd9c8674d_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-07_6cf94a08188380a2a33935cbd9c8674d_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-07_6cf94a08188380a2a33935cbd9c8674d_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-07_6cf94a08188380a2a33935cbd9c8674d_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-10-07_6cf94a08188380a2a33935cbd9c8674d_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{1D057474-4909-49C6-86B8-2F74CD0B855B}	2024-10-07_6cf94a08188380a2a33935cbd9c8674d_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{1D057474-4909-49C6-86B8-2F74CD0B855B}\WpadNetworkName = "Network 3"	2024-10-07_6cf94a08188380a2a33935cbd9c8674d_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\fa-b1-95-16-e0-5f\WpadDecisionTime = 6008efafa818db01	2024-10-07_6cf94a08188380a2a33935cbd9c8674d_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-07_6cf94a08188380a2a33935cbd9c8674d_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-10-07_6cf94a08188380a2a33935cbd9c8674d_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-07_6cf94a08188380a2a33935cbd9c8674d_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-10-07_6cf94a08188380a2a33935cbd9c8674d_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-10-07_6cf94a08188380a2a33935cbd9c8674d_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-10-07_6cf94a08188380a2a33935cbd9c8674d_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-10-07_6cf94a08188380a2a33935cbd9c8674d_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-10-07_6cf94a08188380a2a33935cbd9c8674d_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00e3000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-07_6cf94a08188380a2a33935cbd9c8674d_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{1D057474-4909-49C6-86B8-2F74CD0B855B}\WpadDecisionTime = 6008efafa818db01	2024-10-07_6cf94a08188380a2a33935cbd9c8674d_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{1D057474-4909-49C6-86B8-2F74CD0B855B}\fa-b1-95-16-e0-5f	2024-10-07_6cf94a08188380a2a33935cbd9c8674d_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\fa-b1-95-16-e0-5f\WpadDecisionReason = "1"	2024-10-07_6cf94a08188380a2a33935cbd9c8674d_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-10-07_6cf94a08188380a2a33935cbd9c8674d_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{1D057474-4909-49C6-86B8-2F74CD0B855B}\WpadDecisionReason = "1"	2024-10-07_6cf94a08188380a2a33935cbd9c8674d_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{1D057474-4909-49C6-86B8-2F74CD0B855B}\WpadDecision = "0"	2024-10-07_6cf94a08188380a2a33935cbd9c8674d_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\fa-b1-95-16-e0-5f	2024-10-07_6cf94a08188380a2a33935cbd9c8674d_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\fa-b1-95-16-e0-5f\WpadDecision = "0"	2024-10-07_6cf94a08188380a2a33935cbd9c8674d_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-07_6cf94a08188380a2a33935cbd9c8674d_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-07_6cf94a08188380a2a33935cbd9c8674d_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1672
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2624

C:\Users\Admin\AppData\Local\Temp\2024-10-07_6cf94a08188380a2a33935cbd9c8674d_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-07_6cf94a08188380a2a33935cbd9c8674d_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2604

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

Replay Monitor

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
6068840e1078c191d67353b1dcd683a0

SHA1
d10cef84ae7c16ca39e91ea0d1c075908bbc9760

SHA256
d93df10dbfeaba2709899dd807f409e1730db08dab03d5ed9419ff3b77fa0280

SHA512
0d48d6cd276b4d9cbf330a61bcaf6a06a6377dc60619ad236eb30d3e8da29dd7072b2e77acb4ab10b4f2819e89a4f5c8300c3eb3f63f870572ee0a373a45aef7

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Analysis

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