Overview

overview

10

Static

static

7

fdcd12fe93...18.exe

windows7-x64

10

fdcd12fe93...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    fdcd12fe93bd0d818b5c615fbc2d00d3_JaffaCakes118

  • Size

    876KB

  • Sample

    240420-2fqyrscc2t

  • MD5

    fdcd12fe93bd0d818b5c615fbc2d00d3

  • SHA1

    1ac997e1bf6439b637562928efd4abdf7ca06fe4

  • SHA256

    9b8f078f9f34b800ce848b0f5abd45d2aec9e27c9153122d2742e8ab1e4401e2

  • SHA512

    1689f36e953956d4dc5c20efdfd94fa7a9192642d0bfb7704fe530a56021eb7f224f132287cad5cead3645cb1937dad920763b1ee6e29eb6ec1387cf7d926c96

  • SSDEEP

    12288:5MMpXKb0hNGh1kG0HWnAL7MMpXKb0hNGh1kG0HWnALU:5MMpXS0hN0V0H7MMpXS0hN0V0HU

Score
10/10
aspackv2persistenceransomware

Malware Config

Targets

    • Target

      fdcd12fe93bd0d818b5c615fbc2d00d3_JaffaCakes118

    • Size

      876KB

    • MD5

      fdcd12fe93bd0d818b5c615fbc2d00d3

    • SHA1

      1ac997e1bf6439b637562928efd4abdf7ca06fe4

    • SHA256

      9b8f078f9f34b800ce848b0f5abd45d2aec9e27c9153122d2742e8ab1e4401e2

    • SHA512

      1689f36e953956d4dc5c20efdfd94fa7a9192642d0bfb7704fe530a56021eb7f224f132287cad5cead3645cb1937dad920763b1ee6e29eb6ec1387cf7d926c96

    • SSDEEP

      12288:5MMpXKb0hNGh1kG0HWnAL7MMpXKb0hNGh1kG0HWnALU:5MMpXS0hN0V0H7MMpXS0hN0V0HU

    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