Overview

overview

10

Static

static

10

036a2f04ab...96.elf

ubuntu-18.04-amd64

10

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General

  • Target

    cb084b73d800c005e5a3cf4f299f032a.bin

  • Size

    456KB

  • Sample

    240221-e6d1kabe7s

  • MD5

    c9480c7739913bd77ae56e70ce7c4de5

  • SHA1

    08bbe957a27380e84ecd8b5a862aceb0af7fb734

  • SHA256

    4d595569112b09d25f8b2219d1630af1b9ef5ddefd2c8aea31f15ac7ad5798b1

  • SHA512

    25ecc69c44c9aa3c1f5044d2ce9b6aed48feb96825de056f0c137e33c4423058276d456ad1457e11b45f9f6928db423cedc46ed564c990fc763c11cc089b5bce

  • SSDEEP

    12288:Dbsaa7GIf4Yv86XKIpz1VJx/cq1GTYaI3+yUXWeXY9:Xc7dfX91VJ91gLNVXY9

Score
10/10
mrblackantivmbotnetlinuxpersistencetrojan

Malware Config

Targets

    • Target

      036a2f04ab56b5e7098c7d866eb21307011b812f126793159be1c853a6a54796.elf

    • Size

      1.2MB

    • MD5

      cb084b73d800c005e5a3cf4f299f032a

    • SHA1

      770fca135b25594e77480cdca7116366be2ba91d

    • SHA256

      036a2f04ab56b5e7098c7d866eb21307011b812f126793159be1c853a6a54796

    • SHA512

      1b7476baa62f8388f933e2e15473bca928abf0d1128d551ca21a8d1b6615b04f2660f77bcf406df939d31c9916d42900a5c3dec50ebfa40ce1340ae545e41234

    • SSDEEP

      24576:e845rGHu6gVJKG75oFpA0VWeX4B2y1q2rJp0:745vRVJKGtSA0VWeoYu9p0

    Score
    10/10
    mrblackantivmbotnetpersistencetrojan

    • MrBlack Trojan

      IoT botnet which infects routers to be used for DDoS attacks.

      trojanbotnetmrblack

    • MrBlack trojan

    • Executes dropped EXE

    • Checks CPU configuration

      Checks CPU information which indicate if the system is a virtual machine.

      antivm

    • Modifies init.d

      Adds/modifies system service, likely for persistence.

      persistence

    • Reads system routing table

      Gets active network interfaces from /proc virtual filesystem.

    • Write file to user bin folder

    • Writes file to system bin folder

    behavioral1

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Hijack Execution Flow

2
T1574

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Hijack Execution Flow

2
T1574

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Hijack Execution Flow

2
T1574

Credential Access

Discovery

Virtualization/Sandbox Evasion

1
T1497

System Network Configuration Discovery

2
T1016

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks