Overview

overview

10

Static

static

3

02a18d897c...18.exe

windows7-x64

10

02a18d897c...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    02a18d897c930d9c1f74325e525ce6fa_JaffaCakes118

  • Size

    3.7MB

  • Sample

    240427-g8fy2sda29

  • MD5

    02a18d897c930d9c1f74325e525ce6fa

  • SHA1

    d6ea4abc5d761e68c65dab6c43fc1bf87349d226

  • SHA256

    e9a44a6ff70e5200eb7a5bb93168a7b1d4065d30761879b5119d3066d654f71b

  • SHA512

    8da4be895d35fa219861c06f6f1bf9f71686e3a2c6fda46377ea1b9fd0916e8b999779e5229f46f4fd38ac1cac708fbb4a90b6b208898d4f6b478747b4019869

  • SSDEEP

    49152:iEs1syBadPOgo7kMc72k61TidyZNSLx4qtamNzM1nEAadHiXe:iE2snzMcBMNSLie

Score
10/10
persistenceransomware

Malware Config

Targets

    • Target

      02a18d897c930d9c1f74325e525ce6fa_JaffaCakes118

    • Size

      3.7MB

    • MD5

      02a18d897c930d9c1f74325e525ce6fa

    • SHA1

      d6ea4abc5d761e68c65dab6c43fc1bf87349d226

    • SHA256

      e9a44a6ff70e5200eb7a5bb93168a7b1d4065d30761879b5119d3066d654f71b

    • SHA512

      8da4be895d35fa219861c06f6f1bf9f71686e3a2c6fda46377ea1b9fd0916e8b999779e5229f46f4fd38ac1cac708fbb4a90b6b208898d4f6b478747b4019869

    • SSDEEP

      49152:iEs1syBadPOgo7kMc72k61TidyZNSLx4qtamNzM1nEAadHiXe:iE2snzMcBMNSLie

    Score
    10/10
    persistenceransomware

    • 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

    • 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