Overview

overview

10

Static

static

7

fb6fb098e1...18.exe

windows7-x64

10

fb6fb098e1...18.exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    fb6fb098e1afdcb8036b9cbb5883beb6_JaffaCakes118

  • Size

    6.2MB

  • Sample

    240419-3syptaaf63

  • MD5

    fb6fb098e1afdcb8036b9cbb5883beb6

  • SHA1

    df16a18cda4d121764887b803cb824cad1a61099

  • SHA256

    9c20ff57fc85910037e679b90d080907724389ae49efe6a3d56f2a8c85329e41

  • SHA512

    af8d9c29af8070fa90b5707f139c248e862e1547c76cdb837f68a77759498ead6e92bc7b7c7677a2c574fde3d513ec0c1f135098049388f984be87f0a9b3644d

  • SSDEEP

    49152:gwi0L0qKEB8NIMI8Sfpwotkzaxc1OGz8KTpKXl53q:ri0mIMzKpXOMGQKTpKXl5a

Score
10/10
aspackv2persistenceransomware

Malware Config

Targets

    • Target

      fb6fb098e1afdcb8036b9cbb5883beb6_JaffaCakes118

    • Size

      6.2MB

    • MD5

      fb6fb098e1afdcb8036b9cbb5883beb6

    • SHA1

      df16a18cda4d121764887b803cb824cad1a61099

    • SHA256

      9c20ff57fc85910037e679b90d080907724389ae49efe6a3d56f2a8c85329e41

    • SHA512

      af8d9c29af8070fa90b5707f139c248e862e1547c76cdb837f68a77759498ead6e92bc7b7c7677a2c574fde3d513ec0c1f135098049388f984be87f0a9b3644d

    • SSDEEP

      49152:gwi0L0qKEB8NIMI8Sfpwotkzaxc1OGz8KTpKXl53q:ri0mIMzKpXOMGQKTpKXl5a

    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