Overview

overview

6

Static

static

1

fallen.arm4

debian-12-armhf

6

Resubmissions

11/08/2026, 14:00

260811-rbfxwsvarc6

11/08/2026, 13:59

260811-rah1vs1wgv6

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General

  • Target
    fallen.arm4
  • Size 189KB
  • Sample260811-rbfxwsvarc
  • SHA256 a0938577bbb2af407472c9d1fec5223004b22d3045fa940799f8e025f1a0496b
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
6/10
credential_accessdiscoveryexecutionpersistenceprivilege_escalation

Malware Config

Targets

    • Target
      fallen.arm4
    • Size 189KB
    • SHA256 a0938577bbb2af407472c9d1fec5223004b22d3045fa940799f8e025f1a0496b
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    6/10
    credential_accessdiscoveryexecutionpersistenceprivilege_escalation

    • Creates/modifies Cron job

      Cron allows running tasks on a schedule, and is commonly used for malware persistence.

      executionpersistenceprivilege_escalation

    • Enumerates running processes

      Discovers information about currently running processes on the system

    • Modifies rc script

      Adding/modifying system rc scripts is a common persistence mechanism.

      persistence

    • Modifies systemd

      Adds/ modifies systemd service files. Likely to achieve persistence.

      persistenceprivilege_escalation

    • Write file to user bin folder

      persistence

    • Reads process memory

      Read the memory of a process through the /proc virtual filesystem. This can be used to steal credentials.

      credential_access
    behavioral1

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1
T1053

Cron

1
T1053.003

Persistence

Boot or Logon Autostart Execution

2
T1547

XDG Autostart Entries

1
T1547.013

Boot or Logon Initialization Scripts

1
T1037

RC Scripts

1
T1037.004

Create or Modify System Process

1
T1543

Systemd Service

1
T1543.002

Scheduled Task/Job

1
T1053

Cron

1
T1053.003

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

XDG Autostart Entries

1
T1547.013

Boot or Logon Initialization Scripts

1
T1037

RC Scripts

1
T1037.004

Create or Modify System Process

1
T1543

Systemd Service

1
T1543.002

Scheduled Task/Job

1
T1053

Cron

1
T1053.003

Defense Evasion

Credential Access

OS Credential Dumping

1
T1003

Proc Filesystem

1
T1003.007

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks