Overview

overview

10

Static

static

3

69d09ce895...18.exe

windows7-x64

10

69d09ce895...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    69d09ce895a954aec3630d5ec7d7c84c_JaffaCakes118

  • Size

    956KB

  • Sample

    240523-fnttqsee97

  • MD5

    69d09ce895a954aec3630d5ec7d7c84c

  • SHA1

    e023ba1ea8c3b1b503964053907a18bbec003f05

  • SHA256

    3d923a9b2ad2bcf4b9dbfe53afc2f43ee20cf7bda700d9e974ac43a1ecd712a9

  • SHA512

    f045343a9a9498a9b2979dc5e62a4138ac06ef967f8a40f31d136045daa1e6155f6e2f0966a7a6c9c28f7d903eb01fd4d3d5fa9cda5045f49aa57abe0b26ee71

  • SSDEEP

    24576:KEtl9mRda1bCSGB2uJ2s4otqFCJrW9FqvSbqsHasgXhFHDAGtlRXZ+CP63n0NuJj:BEs1L1

Score
10/10
persistenceransomware

Malware Config

Targets

    • Target

      69d09ce895a954aec3630d5ec7d7c84c_JaffaCakes118

    • Size

      956KB

    • MD5

      69d09ce895a954aec3630d5ec7d7c84c

    • SHA1

      e023ba1ea8c3b1b503964053907a18bbec003f05

    • SHA256

      3d923a9b2ad2bcf4b9dbfe53afc2f43ee20cf7bda700d9e974ac43a1ecd712a9

    • SHA512

      f045343a9a9498a9b2979dc5e62a4138ac06ef967f8a40f31d136045daa1e6155f6e2f0966a7a6c9c28f7d903eb01fd4d3d5fa9cda5045f49aa57abe0b26ee71

    • SSDEEP

      24576:KEtl9mRda1bCSGB2uJ2s4otqFCJrW9FqvSbqsHasgXhFHDAGtlRXZ+CP63n0NuJj:BEs1L1

    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