Analysis

  • max time kernel
    14177s
  • max time network
    159s
  • platform
    linux_armhf
  • resource
    debian9-armhf-en-20211208
  • submitted
    21-05-2022 18:59

General

  • Target

    8550e96dd843997d2625c2fa51660266bf454d85653e0085b3bb1f0c923b0900

  • Size

    52KB

  • MD5

    080baf91f10af767f7c8fcb70a30a90b

  • SHA1

    bc03b9f9757454a3b985cb27716847ce9bd84332

  • SHA256

    8550e96dd843997d2625c2fa51660266bf454d85653e0085b3bb1f0c923b0900

  • SHA512

    23db1efdbf47a781229a957f1f7b5d76e733b6cdea10a7769eff2c94d6ab3ebd889903c25988ea907e740dfe91e75bc339d59f75ac558aceb8bfc2a7c06fd163

Score
9/10

Malware Config

Signatures

  • Contacts a large (18867) amount of remote hosts 1 TTPs

    This may indicate a network scan to discover remotely running services.

  • Creates a large amount of network flows 1 TTPs

    This may indicate a network scan to discover remotely running services.

  • Modifies the Watchdog daemon 1 TTPs

    Malware like Mirai modify the Watchdog to prevent it restarting an infected system.

  • Writes file to system bin folder 1 TTPs 2 IoCs
  • Enumerates active TCP sockets 1 TTPs 1 IoCs

    Gets active TCP sockets from /proc virtual filesystem.

  • Write file to user bin folder 1 TTPs 2 IoCs
  • Reads system network configuration 1 TTPs 1 IoCs

    Uses contents of /proc filesystem to enumerate network settings.

  • Reads runtime system information 43 IoCs

    Reads data from /proc virtual filesystem.

Processes

  • ./8550e96dd843997d2625c2fa51660266bf454d85653e0085b3bb1f0c923b0900
    ./8550e96dd843997d2625c2fa51660266bf454d85653e0085b3bb1f0c923b0900
    1⤵
    • Reads runtime system information
    PID:345

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Hijack Execution Flow

2
T1574

Privilege Escalation

Hijack Execution Flow

2
T1574

Defense Evasion

Impair Defenses

1
T1562

Hijack Execution Flow

2
T1574

Discovery

Network Service Scanning

2
T1046

System Network Connections Discovery

1
T1049

System Network Configuration Discovery

1
T1016

Replay Monitor

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Downloads