Overview

overview

10

Static

static

3

e8f5971c3d...18.exe

windows7-x64

10

e8f5971c3d...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    e8f5971c3dbf941aafcc3ba09895ae4a_JaffaCakes118

  • Size

    480KB

  • Sample

    240409-cgbsssef8w

  • MD5

    e8f5971c3dbf941aafcc3ba09895ae4a

  • SHA1

    9f8c99a8b83a325bd908769bbb832645837a5692

  • SHA256

    608e48dd2297ee62fec79ff646a48312b097452a2ad6e562d4d2820dd88b3e83

  • SHA512

    b8b56812f6965daab89688caefcf6e4ca8203c35fd125bf0d46583238782aa0e312adc75bbd49f1d6ae1d3339755908370736a2d55f28cb97754dda2d2fd19a9

  • SSDEEP

    12288:bhrF8USr4TUo9yW/3ZEgvKvI59Kk+MMli+uP:bhrF8JwUoHpEuvZ2

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      e8f5971c3dbf941aafcc3ba09895ae4a_JaffaCakes118

    • Size

      480KB

    • MD5

      e8f5971c3dbf941aafcc3ba09895ae4a

    • SHA1

      9f8c99a8b83a325bd908769bbb832645837a5692

    • SHA256

      608e48dd2297ee62fec79ff646a48312b097452a2ad6e562d4d2820dd88b3e83

    • SHA512

      b8b56812f6965daab89688caefcf6e4ca8203c35fd125bf0d46583238782aa0e312adc75bbd49f1d6ae1d3339755908370736a2d55f28cb97754dda2d2fd19a9

    • SSDEEP

      12288:bhrF8USr4TUo9yW/3ZEgvKvI59Kk+MMli+uP:bhrF8JwUoHpEuvZ2

    Score
    10/10
    evasionpersistencespywarestealertrojanransomware

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (55) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

      ransomware

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Adds Run key to start application

      persistence

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Hide Artifacts

1
T1564

Hidden Files and Directories

1
T1564.001

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

Modify Registry

4
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Tasks