Overview

overview

10

Static

static

7

6ae36280ba...18.exe

windows7-x64

10

6ae36280ba...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    6ae36280ba9af6694960de5bb55aad9a_JaffaCakes118

  • Size

    677KB

  • Sample

    240523-panv1agb7s

  • MD5

    6ae36280ba9af6694960de5bb55aad9a

  • SHA1

    24ae746e94b195dbef2079f89db9346e2695b14e

  • SHA256

    05c4f0504bac495cc9ec6b30355c01bb3574dcf24ebf5f73ce2bd68316b0d492

  • SHA512

    56b71d8cd15b1cad6f56f6d237b5ce2eb3dabc12b591524da4fa9bde1a80dd5376bd4c162645debc9ec2ed1dac5e470a6af3042a2649362f3c8cb532f9870bc2

  • SSDEEP

    12288:ZMMpXKb0hNGh1kG0HWnAHU866w0B2uJ2s4otqFCJrW9FqvSbqsHasgXhFHDAGtle:ZMMpXS0hN0V0HzSGB2uJ2s4otqFCJrW9

Score
10/10
aspackv2persistenceransomware

Malware Config

Targets

    • Target

      6ae36280ba9af6694960de5bb55aad9a_JaffaCakes118

    • Size

      677KB

    • MD5

      6ae36280ba9af6694960de5bb55aad9a

    • SHA1

      24ae746e94b195dbef2079f89db9346e2695b14e

    • SHA256

      05c4f0504bac495cc9ec6b30355c01bb3574dcf24ebf5f73ce2bd68316b0d492

    • SHA512

      56b71d8cd15b1cad6f56f6d237b5ce2eb3dabc12b591524da4fa9bde1a80dd5376bd4c162645debc9ec2ed1dac5e470a6af3042a2649362f3c8cb532f9870bc2

    • SSDEEP

      12288:ZMMpXKb0hNGh1kG0HWnAHU866w0B2uJ2s4otqFCJrW9FqvSbqsHasgXhFHDAGtle:ZMMpXS0hN0V0HzSGB2uJ2s4otqFCJrW9

    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