Overview

overview

10

Static

static

3

2025-01-27...ry.exe

windows7-x64

10

2025-01-27...ry.exe

windows10-2004-x64

Resubmissions

27-01-2025 04:05

250127-enyx1szmdx 10

27-01-2025 03:50

250127-ed4qhsyrav 10

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General

  • Target

    2025-01-27_a1a3bd4ee2c15ba4544965f5c5cebd18_wannacry

  • Size

    3.6MB

  • Sample

    250127-enyx1szmdx

  • MD5

    a1a3bd4ee2c15ba4544965f5c5cebd18

  • SHA1

    6a0ea0b1c9beb2db9905d5ffbc84130005d2cf4f

  • SHA256

    32e8d2652212baf105519ae7cac8bc087931fc67bcdcf940b75bd2bcac037627

  • SHA512

    b3364fa32f471efdf3c77f66fa1c9c3161c1fffd82488b62c2a7bd44d0f97651ef419ff7aab80bd69b0ab1b045a90fec48c7fc7dbeab20a3a404ca62204b113d

  • SSDEEP

    98304:yQPoBhz1aRxcSUZk36SAEdhvxWa9P593R8yAVp2HI:yQPe1Cxc7k3ZAEUadzR8yc4HI

Score
10/10
wannacrydefense_evasiondiscoverypersistenceransomwaretrojanworm

Malware Config

Targets

    • Target

      2025-01-27_a1a3bd4ee2c15ba4544965f5c5cebd18_wannacry

    • Size

      3.6MB

    • MD5

      a1a3bd4ee2c15ba4544965f5c5cebd18

    • SHA1

      6a0ea0b1c9beb2db9905d5ffbc84130005d2cf4f

    • SHA256

      32e8d2652212baf105519ae7cac8bc087931fc67bcdcf940b75bd2bcac037627

    • SHA512

      b3364fa32f471efdf3c77f66fa1c9c3161c1fffd82488b62c2a7bd44d0f97651ef419ff7aab80bd69b0ab1b045a90fec48c7fc7dbeab20a3a404ca62204b113d

    • SSDEEP

      98304:yQPoBhz1aRxcSUZk36SAEdhvxWa9P593R8yAVp2HI:yQPe1Cxc7k3ZAEUadzR8yc4HI

    Score
    10/10
    wannacrydiscoveryransomwarewormdefense_evasionpersistencetrojan

    • Modifies WinLogon for persistence

      persistence

    • UAC bypass

      defense_evasiontrojan

    • Wannacry

      WannaCry is a ransomware cryptoworm.

      ransomwarewormwannacry

    • Wannacry family

      wannacry

    • Contacts a large (9958) amount of remote hosts

      This may indicate a network scan to discover remotely running services.

      discovery

    • Disables RegEdit via registry modification

      defense_evasion

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks whether UAC is enabled

      defense_evasiontrojan

    • Creates a large amount of network flows

      This may indicate a network scan to discover remotely running services.

      discovery

    • Drops desktop.ini file(s)

    • Legitimate hosting services abused for malware hosting/C2

    • Modifies WinLogon

      persistence

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

      ransomware
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2
T1547

Winlogon Helper DLL

2
T1547.004

Privilege Escalation

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Boot or Logon Autostart Execution

2
T1547

Winlogon Helper DLL

2
T1547.004

Defense Evasion

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

Modify Registry

5
T1112

Credential Access

Discovery

Browser Information Discovery

1
T1217

Network Service Discovery

2
T1046

Query Registry

1
T1012

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Web Service

1
T1102

Exfiltration

Impact

Defacement

1
T1491

Tasks