Overview

overview

10

Static

static

5

fb4b3b5c70...18.exe

windows7-x64

10

fb4b3b5c70...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    fb4b3b5c70a88eff5b4b60dbd3f30bcb_JaffaCakes118

  • Size

    1.2MB

  • Sample

    240928-chrkmstena

  • MD5

    fb4b3b5c70a88eff5b4b60dbd3f30bcb

  • SHA1

    963a4e35e3320734c19f032365447c66177a7205

  • SHA256

    938a2360fc46d97cbb6d900ef3dea1603b1f3be667634cafaffa066b016f35d1

  • SHA512

    9f0fe7b6db3bed5dfada9899441dc411f1ea26920ba9f5a22192fca34e54164992ddbebc79c84cd0df4764149638da6233c85e244a29e6caedb3dc5efa45b1fb

  • SSDEEP

    12288:3ZWtI6RkguPuMjyfHSEG/BKMi40ce8YPX+VcaMVkUet7EwBI+APuO8:3uhanyfHSt5ZUcSPuOzVkUetVI5uO8

Score
10/10
defense_evasiondiscoveryevasionexecutionpersistenceupx

Malware Config

Targets

    • Target

      fb4b3b5c70a88eff5b4b60dbd3f30bcb_JaffaCakes118

    • Size

      1.2MB

    • MD5

      fb4b3b5c70a88eff5b4b60dbd3f30bcb

    • SHA1

      963a4e35e3320734c19f032365447c66177a7205

    • SHA256

      938a2360fc46d97cbb6d900ef3dea1603b1f3be667634cafaffa066b016f35d1

    • SHA512

      9f0fe7b6db3bed5dfada9899441dc411f1ea26920ba9f5a22192fca34e54164992ddbebc79c84cd0df4764149638da6233c85e244a29e6caedb3dc5efa45b1fb

    • SSDEEP

      12288:3ZWtI6RkguPuMjyfHSEG/BKMi40ce8YPX+VcaMVkUet7EwBI+APuO8:3uhanyfHSt5ZUcSPuOzVkUetVI5uO8

    Score
    10/10
    defense_evasiondiscoveryevasionexecutionpersistenceupx

    • Disables service(s)

      evasionexecution

    • Modifies visibility of file extensions in Explorer

      evasion

    • Blocks application from running via registry modification

      Adds application to list of disallowed applications.

      evasion

    • Event Triggered Execution: Image File Execution Options Injection

      persistence

    • Executes dropped EXE

    • Loads dropped DLL

    • Indicator Removal: File Deletion

      Adversaries may delete files left behind by the actions of their intrusion activity.

      defense_evasion

    • Network Share Discovery

      Attempt to gather information on host network.

      discovery

    • Drops autorun.inf file

      Malware can abuse Windows Autorun to spread further via attached volumes.

    • Drops file in System32 directory

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Replication Through Removable Media

1
T1091

Execution

System Services

1
T1569

Service Execution

1
T1569.002

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Image File Execution Options Injection

1
T1546.012

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Image File Execution Options Injection

1
T1546.012

Defense Evasion

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Indicator Removal

1
T1070

File Deletion

1
T1070.004

Modify Registry

1
T1112

Credential Access

Discovery

Network Share Discovery

1
T1135

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Time Discovery

1
T1124

Lateral Movement

Replication Through Removable Media

1
T1091

Collection

Command and Control

Exfiltration

Impact

Service Stop

1
T1489

Tasks