Overview

overview

7

Static

static

1

_e765cb8dc...97f.sh

ubuntu-18.04-amd64

7

_e765cb8dc...97f.sh

debian-9-armhf

7

_e765cb8dc...97f.sh

debian-9-mips

7

_e765cb8dc...97f.sh

debian-9-mipsel

7

Sharing

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General

  • Target
    _e765cb8dceafdb576923f61b4a25d8c73abb578d22102bdcd19f57c3cb87b97f.sh
  • Size 1KB
  • Sample260529-gph93ady2v
  • SHA256 e765cb8dceafdb576923f61b4a25d8c73abb578d22102bdcd19f57c3cb87b97f
  • MD5 SHA1 SHA512 TLSH
Score
7/10
antivmdefense_evasiondiscoverylinuxpersistenceprivilege_escalation

Malware Config

Targets

    • Target
      _e765cb8dceafdb576923f61b4a25d8c73abb578d22102bdcd19f57c3cb87b97f.sh
    • Size 1KB
    • SHA256 e765cb8dceafdb576923f61b4a25d8c73abb578d22102bdcd19f57c3cb87b97f
    • MD5 SHA1 SHA512 TLSH
    Score
    7/10
    defense_evasiondiscoverypersistenceprivilege_escalationantivm

    • File and Directory Permissions Modification

      Adversaries may modify file or directory permissions to evade defenses.

      defense_evasion

    • Executes dropped EXE

    • Unexpected DNS network traffic destination

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

    • Creates/modifies environment variables

      Creating/modifying environment variables is a common persistence mechanism.

      persistenceprivilege_escalationdefense_evasion

    • Write file to user bin folder

      persistence

    • Modifies Bash startup script

      persistence
    behavioral1behavioral2behavioral3behavioral4

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Event Triggered Execution

1
T1546

Unix Shell Configuration Modification

1
T1546.004

Hijack Execution Flow

1
T1574

Path Interception by PATH Environment Variable

1
T1574.007

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Event Triggered Execution

1
T1546

Unix Shell Configuration Modification

1
T1546.004

Hijack Execution Flow

1
T1574

Path Interception by PATH Environment Variable

1
T1574.007

Defense Evasion

File and Directory Permissions Modification

1
T1222

Linux and Mac File and Directory Permissions Modification

1
T1222.002

Hijack Execution Flow

1
T1574

Path Interception by PATH Environment Variable

1
T1574.007

Virtualization/Sandbox Evasion

1
T1497

System Checks

1
T1497.001

Credential Access

Discovery

System Information Discovery

1
T1082

System Network Configuration Discovery

1
T1016

Virtualization/Sandbox Evasion

1
T1497

System Checks

1
T1497.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks