Overview

overview

10

Static

static

3

69ccfd5795...18.exe

windows7-x64

10

69ccfd5795...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    69ccfd5795d9e3745e415d8caf93e651_JaffaCakes118

  • Size

    892KB

  • Sample

    240523-fll14see21

  • MD5

    69ccfd5795d9e3745e415d8caf93e651

  • SHA1

    4a453a58d3400e0d5874568b0688f2ecd9750356

  • SHA256

    1c6af250f77229453db7d19ef763ef3e3deb8343f215f32a063fb1f0ee917405

  • SHA512

    eada8d725eb59022133030b6c02062406e3be06a137a8f3abba785cc0e6d75abd60d643d17333560965221f021b7b326eb4463c5b14e008383118584a867558a

  • SSDEEP

    24576:TEtl9mRda1cSGB2uJ2s4otqFCJrW9FqvSbqsHasgXhFHDAGtlRXZ+CP63n0NuJvR:oEs1hz

Score
10/10
persistenceransomware

Malware Config

Targets

    • Target

      69ccfd5795d9e3745e415d8caf93e651_JaffaCakes118

    • Size

      892KB

    • MD5

      69ccfd5795d9e3745e415d8caf93e651

    • SHA1

      4a453a58d3400e0d5874568b0688f2ecd9750356

    • SHA256

      1c6af250f77229453db7d19ef763ef3e3deb8343f215f32a063fb1f0ee917405

    • SHA512

      eada8d725eb59022133030b6c02062406e3be06a137a8f3abba785cc0e6d75abd60d643d17333560965221f021b7b326eb4463c5b14e008383118584a867558a

    • SSDEEP

      24576:TEtl9mRda1cSGB2uJ2s4otqFCJrW9FqvSbqsHasgXhFHDAGtlRXZ+CP63n0NuJvR:oEs1hz

    Score
    10/10
    persistenceransomware

    • Modifies WinLogon for persistence

      persistence

    • Renames multiple (91) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

      ransomware

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Drops autorun.inf file

      Malware can abuse Windows Autorun to spread further via attached volumes.

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Replication Through Removable Media

1
T1091

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Winlogon Helper DLL

1
T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Winlogon Helper DLL

1
T1547.004

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

2
T1082

Lateral Movement

Replication Through Removable Media

1
T1091

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks