Overview

overview

7

Static

static

1

1461980373...a8.elf

debian-12-armhf

7

Analysis

  • max time kernel
    144s
  • max time network
    149s
  • platform
    debian-12_armhf
  • resource
    debian12-armhf-20260513-en
  • resource tags

    arch:armhfimage:debian12-armhf-20260513-enkernel:6.1.0-17-armmp-lpaelocale:en-usos:debian-12-armhfsystem
  • submitted
    22/05/2026, 19:43

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General

  • Target
    1461980373e066dfb2fa21582abf6bc72b07f5f051a2e2e890f2d820f0200ba8.elf
  • Size 859KB
  • Sample260522-yfcvcsd14k
  • SHA256 1461980373e066dfb2fa21582abf6bc72b07f5f051a2e2e890f2d820f0200ba8
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
credential_accessdefense_evasiondiscoveryexecutionpersistenceprivilege_escalation

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Runs EXE from memory 1 IoCs

    Runs an executable from memory, likely to minimize footprint

  • Traces itself 5 IoCs

    Traces itself to prevent debugging attempts

  • Unexpected DNS network traffic destination 1 IoCs

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

  • Creates/modifies Cron job 1 TTPs 1 IoCs

    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 init.d 2 TTPs 1 IoCs

    Adds/modifies system service, likely for persistence.

    persistence
  • Reads MAC address of network interface 2 TTPs 1 IoCs

    Fetches the MAC address of active network interfaces. May be used to detect known values for hypervisors.

    defense_evasiondiscovery
  • Reads process memory 1 TTPs 50 IoCs

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

    credential_access
  • Changes its process name 1 IoCs
  • Enumerates kernel/hardware configuration 1 TTPs 2 IoCs

    Reads contents of /sys virtual filesystem to enumerate system information.

    discovery
  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

    discovery
  • Writes file to tmp directory 1 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/1461980373e066dfb2fa21582abf6bc72b07f5f051a2e2e890f2d820f0200ba8.elf
    /tmp/1461980373e066dfb2fa21582abf6bc72b07f5f051a2e2e890f2d820f0200ba8.elf
    1⤵
    • Runs EXE from memory
    PID:784
  • /proc/self/fd/3
    /tmp/1461980373e066dfb2fa21582abf6bc72b07f5f051a2e2e890f2d820f0200ba8.elf
    1⤵
    • Deletes itself
    • Traces itself
    • Modifies init.d
    • Reads MAC address of network interface
    • Reads process memory
    • Changes its process name
    • Enumerates kernel/hardware configuration
    • Reads runtime system information
    • Writes file to tmp directory
    PID:784
    • /usr/local/sbin/crontab
      crontab -l
      2⤵
        PID:801
      • /usr/local/bin/crontab
        crontab -l
        2⤵
          PID:801
        • /usr/sbin/crontab
          crontab -l
          2⤵
            PID:801
          • /usr/bin/crontab
            crontab -l
            2⤵
              PID:801
            • /usr/local/sbin/crontab
              crontab /tmp/.cron_tmp
              2⤵
                PID:802
              • /usr/local/bin/crontab
                crontab /tmp/.cron_tmp
                2⤵
                  PID:802
                • /usr/sbin/crontab
                  crontab /tmp/.cron_tmp
                  2⤵
                    PID:802
                  • /usr/bin/crontab
                    crontab /tmp/.cron_tmp
                    2⤵
                    • Creates/modifies Cron job
                    PID:802

                Network

                      MITRE ATT&CK Enterprise v16

                      Replay Monitor

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                      Downloads

                      .kworker
                      • Path /etc/init.d/.kworker
                      • Size 65B
                      • SHA256 41602099ac3b9c7e713fa0d7bf9c6d45ef23feabec6388df7bc24f5069f9b249
                      • MD5 SHA1 SHA512 TLSH
                      Submit Download

                      3
                      • Path /proc/self/fd/3
                      • Size 730KB
                      • SHA256 b15c2e5a8a69fb0746002d75baaef64fc3f523b3a055fb2b4d88cd3471b3fb3d
                      • MD5 SHA1 SHA512 SSDEEP TLSH
                      Submit Download

                      .cron_tmp
                      • Path /tmp/.cron_tmp
                      • Size 52B
                      • SHA256 ddd3c1932a4d94529c3f6883ead09c1ba051cab02455e2a87206634a40c20d95
                      • MD5 SHA1 SHA512 TLSH
                      Submit Download

                      tmp.PbK36S
                      • Path /var/spool/cron/crontabs/tmp.PbK36S
                      • Size 240B
                      • SHA256 076e70d0d66b23302b9c39b419ed2d8035cbf74e6f67028967f450e4675fc362
                      • MD5 SHA1 SHA512 TLSH
                      Submit Download

                      .cache_2341b3cf
                      • Path /var/tmp/.cache_2341b3cf
                      • Size 68B
                      • SHA256 3f2fda082eab85b522015df02f849b4a818d4142d501321e66e57c9eeceb80d1
                      • MD5 SHA1 SHA512 TLSH
                      Submit Download