Overview

overview

7

Static

static

1

_b043c86b2...781.sh

ubuntu-18.04-amd64

7

_b043c86b2...781.sh

debian-9-armhf

7

_b043c86b2...781.sh

debian-9-mips

7

_b043c86b2...781.sh

debian-9-mipsel

7

Sharing

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General

  • Target
    _b043c86b212f503318c24d706a8981223dbb68f7e83e48eab036bce911963781.sh
  • Size 2KB
  • Sample260527-twb6jsct2r
  • SHA256 b043c86b212f503318c24d706a8981223dbb68f7e83e48eab036bce911963781
  • MD5 SHA1 SHA512 TLSH
Score
7/10
defense_evasiondiscoveryexecutionlinuxpersistenceprivilege_escalation

Malware Config

Targets

    • Target
      _b043c86b212f503318c24d706a8981223dbb68f7e83e48eab036bce911963781.sh
    • Size 2KB
    • SHA256 b043c86b212f503318c24d706a8981223dbb68f7e83e48eab036bce911963781
    • MD5 SHA1 SHA512 TLSH
    Score
    7/10
    defense_evasiondiscoveryexecutionpersistenceprivilege_escalation

    • File and Directory Permissions Modification

      Adversaries may modify file or directory permissions to evade defenses.

      defense_evasion

    • Deletes itself

    • Executes dropped EXE

    • Creates/modifies Cron job

      Cron allows running tasks on a schedule, and is commonly used for malware persistence.

      executionpersistenceprivilege_escalation

    • Enumerates running processes

      Discovers information about currently running processes on the system

    • Modifies rc script

      Adding/modifying system rc scripts is a common persistence mechanism.

      persistence

    • Modifies systemd

      Adds/ modifies systemd service files. Likely to achieve persistence.

      persistenceprivilege_escalation
    behavioral1behavioral2behavioral3behavioral4

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1
T1053

Cron

1
T1053.003

Persistence

Boot or Logon Autostart Execution

2
T1547

XDG Autostart Entries

1
T1547.013

Boot or Logon Initialization Scripts

1
T1037

RC Scripts

1
T1037.004

Create or Modify System Process

1
T1543

Systemd Service

1
T1543.002

Scheduled Task/Job

1
T1053

Cron

1
T1053.003

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

XDG Autostart Entries

1
T1547.013

Boot or Logon Initialization Scripts

1
T1037

RC Scripts

1
T1037.004

Create or Modify System Process

1
T1543

Systemd Service

1
T1543.002

Scheduled Task/Job

1
T1053

Cron

1
T1053.003

Defense Evasion

File and Directory Permissions Modification

1
T1222

Linux and Mac File and Directory Permissions Modification

1
T1222.002

Credential Access

Discovery

System Information Discovery

1
T1082

System Network Configuration Discovery

1
T1016

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks