Overview

overview

10

Static

static

7

fdd6632d42...18.exe

windows7-x64

10

fdd6632d42...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    fdd6632d42b7c2362305f8a77a7a690c_JaffaCakes118

  • Size

    2.7MB

  • Sample

    240420-2tgbgsca66

  • MD5

    fdd6632d42b7c2362305f8a77a7a690c

  • SHA1

    e261d98eb1379e636fcaaa9652b106c7da22a72a

  • SHA256

    dc88412c888e39fcf4bb33ee2a6ab7be55764e8c63000097e1810bc702c67a7d

  • SHA512

    61a851bc648e8cb6c9f7459995be19d6eafa601fd95039b958051f50740844e66d8aa2393d615a6b9720487c4c3dfeb5a7a8b4070f964747856faecabe138312

  • SSDEEP

    24576:5MMpXS0hN0V0Hv/SGB2uJ2s4otqFCJrW9FqvSbqsHasgXhFHDAGtlRXZ+CP63n0k:qwi0L0qCKqFpT/

Score
10/10
aspackv2persistenceransomware

Malware Config

Targets

    • Target

      fdd6632d42b7c2362305f8a77a7a690c_JaffaCakes118

    • Size

      2.7MB

    • MD5

      fdd6632d42b7c2362305f8a77a7a690c

    • SHA1

      e261d98eb1379e636fcaaa9652b106c7da22a72a

    • SHA256

      dc88412c888e39fcf4bb33ee2a6ab7be55764e8c63000097e1810bc702c67a7d

    • SHA512

      61a851bc648e8cb6c9f7459995be19d6eafa601fd95039b958051f50740844e66d8aa2393d615a6b9720487c4c3dfeb5a7a8b4070f964747856faecabe138312

    • SSDEEP

      24576:5MMpXS0hN0V0Hv/SGB2uJ2s4otqFCJrW9FqvSbqsHasgXhFHDAGtlRXZ+CP63n0k:qwi0L0qCKqFpT/

    Score
    10/10
    aspackv2persistenceransomware

    • 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

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

      aspackv2

    • 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