Overview

overview

7

Static

static

1

o.sh

ubuntu-18.04-amd64

7

o.sh

debian-9-armhf

7

o.sh

debian-9-mips

o.sh

debian-9-mipsel

Sharing

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General

  • Target
    o.sh
  • Size 4KB
  • Sample260811-rfvlvavbmb
  • SHA256 37bfd5cf49ff0024c1f3e6b85166ddcef77b629c6bda05283d79a35052e2b0fc
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
antivmcredential_accessdefense_evasiondiscoverylinuxpersistence

Malware Config

Targets

    • Target
      o.sh
    • Size 4KB
    • SHA256 37bfd5cf49ff0024c1f3e6b85166ddcef77b629c6bda05283d79a35052e2b0fc
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    7/10
    antivmcredential_accessdefense_evasiondiscoverypersistence

    • File and Directory Permissions Modification

      Adversaries may modify file or directory permissions to evade defenses.

      defense_evasion

    • Executes dropped EXE

    • Modifies PAM framework files

      Modifies Linux PAM framework files, possibly to intercept credentials.

      persistencecredential_accessdefense_evasion

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Reads network interface configuration

      Fetches information about one or more active network interfaces.

      discovery
    behavioral1behavioral2behavioral3behavioral4

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Modify Authentication Process

1
T1556

Pluggable Authentication Modules

1
T1556.003

Privilege Escalation

Defense Evasion

File and Directory Permissions Modification

1
T1222

Linux and Mac File and Directory Permissions Modification

1
T1222.002

Modify Authentication Process

1
T1556

Pluggable Authentication Modules

1
T1556.003

Virtualization/Sandbox Evasion

1
T1497

System Checks

1
T1497.001

Credential Access

Modify Authentication Process

1
T1556

Pluggable Authentication Modules

1
T1556.003

Discovery

System Information Discovery

1
T1082

System Network Configuration Discovery

1
T1016

System Network Connections Discovery

1
T1049

Virtualization/Sandbox Evasion

1
T1497

System Checks

1
T1497.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks