Overview

overview

10

Static

static

7

fd7375128b...18.exe

windows7-x64

10

fd7375128b...18.exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    fd7375128ba0dbe87f70f8e8298dc7d3_JaffaCakes118

  • Size

    6.4MB

  • Sample

    240420-xy39lagc7s

  • MD5

    fd7375128ba0dbe87f70f8e8298dc7d3

  • SHA1

    5ee861c4d3bcc3bd778b24fc678938ebc4cef0a5

  • SHA256

    a8685d664b0089a809d419474ae5d4c0a1dfe856e4b47ff09a9b686725b75061

  • SHA512

    e2252e50bc34e236308bf1082f38d3d6e3d18f346ee343c37d2cc72a415165a9376058ae2cfa211f7297978693e7654b235928e251592d995548e18e8d720978

  • SSDEEP

    49152:qwi0L0qIwi0L0qEB8NIMI8Sfpwotkzaxc1OGz8F:1i0li0XIMzKpXOMGQF

Score
10/10
aspackv2persistenceransomware

Malware Config

Targets

    • Target

      fd7375128ba0dbe87f70f8e8298dc7d3_JaffaCakes118

    • Size

      6.4MB

    • MD5

      fd7375128ba0dbe87f70f8e8298dc7d3

    • SHA1

      5ee861c4d3bcc3bd778b24fc678938ebc4cef0a5

    • SHA256

      a8685d664b0089a809d419474ae5d4c0a1dfe856e4b47ff09a9b686725b75061

    • SHA512

      e2252e50bc34e236308bf1082f38d3d6e3d18f346ee343c37d2cc72a415165a9376058ae2cfa211f7297978693e7654b235928e251592d995548e18e8d720978

    • SSDEEP

      49152:qwi0L0qIwi0L0qEB8NIMI8Sfpwotkzaxc1OGz8F:1i0li0XIMzKpXOMGQF

    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