Overview

overview

10

Static

static

10

jew.arm7.elf

debian-12-armhf

9

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General

  • Target

    jew.arm7.elf

  • Size

    137KB

  • Sample

    240701-z3wrestfnl

  • MD5

    9c111291ffe3399fe4d628e77413174c

  • SHA1

    04e95298482cf7da4a21a0f92805eabffad7e9a2

  • SHA256

    5f740c98c37ca5411b1e375a564fd5ddc457cb869a3d60feb34d3a27fbc039bf

  • SHA512

    53e0bfc4e7194f888cd22305ac47e746ae9ea3858ac4275b6c81512c2ec528e851665182c49576e49f7333c586bc40259cbfe86900791abe518dee8677f571cf

  • SSDEEP

    3072:TjTXyWR5qNTBWM4H0weKsptyaEHSrkBziEdn+r9pM/9PUB3LYC:nTXyUq9BWM4HpextyaEH8sr+r/M/9WYC

Score
10/10
miraikurcdiscovery

Malware Config

Extracted

Family

mirai

Botnet

KURC

Targets

    • Target

      jew.arm7.elf

    • Size

      137KB

    • MD5

      9c111291ffe3399fe4d628e77413174c

    • SHA1

      04e95298482cf7da4a21a0f92805eabffad7e9a2

    • SHA256

      5f740c98c37ca5411b1e375a564fd5ddc457cb869a3d60feb34d3a27fbc039bf

    • SHA512

      53e0bfc4e7194f888cd22305ac47e746ae9ea3858ac4275b6c81512c2ec528e851665182c49576e49f7333c586bc40259cbfe86900791abe518dee8677f571cf

    • SSDEEP

      3072:TjTXyWR5qNTBWM4H0weKsptyaEHSrkBziEdn+r9pM/9PUB3LYC:nTXyUq9BWM4HpextyaEH8sr+r/M/9WYC

    Score
    9/10
    discovery

    • Contacts a large (45680) amount of remote hosts

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

      discovery

    • Creates a large amount of network flows

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

      discovery

    • Modifies Watchdog functionality

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

    • Writes file to system bin folder

    behavioral1

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Hijack Execution Flow

1
T1574

Privilege Escalation

Hijack Execution Flow

1
T1574

Defense Evasion

Impair Defenses

1
T1562

Hijack Execution Flow

1
T1574

Credential Access

Discovery

Network Service Discovery

2
T1046

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks