Overview

overview

9

Static

static

8

bin.sh

debian-9-mips

9

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General

  • Target

    bin.sh

  • Size

    132KB

  • Sample

    230701-kdygdshd9t

  • MD5

    a73ddd6ec22462db955439f665cad4e6

  • SHA1

    ac6962542a4b23ac13bddff22f8df9aeb702ef12

  • SHA256

    b5cf68c7cb5bb2d21d60bf6654926f61566d95bfd7c9f9e182d032f1da5b4605

  • SHA512

    92a52f68a7324c4d5876e1f7e2cb87d14b8604b057ceee2e537815568faa96abf576a22111c5c976eff72ab9015f1261b2331d4b4d711f4e62c8eb403c2377aa

  • SSDEEP

    3072:2glZ3FtCKXhkmHtZ9TEKzjfj/WMngyIfsJ0F7xPtoM:2IIKXhZtL7jOTyIG87Xl

Score
9/10
discoverypersistenceupx

Malware Config

Targets

    • Target

      bin.sh

    • Size

      132KB

    • MD5

      a73ddd6ec22462db955439f665cad4e6

    • SHA1

      ac6962542a4b23ac13bddff22f8df9aeb702ef12

    • SHA256

      b5cf68c7cb5bb2d21d60bf6654926f61566d95bfd7c9f9e182d032f1da5b4605

    • SHA512

      92a52f68a7324c4d5876e1f7e2cb87d14b8604b057ceee2e537815568faa96abf576a22111c5c976eff72ab9015f1261b2331d4b4d711f4e62c8eb403c2377aa

    • SSDEEP

      3072:2glZ3FtCKXhkmHtZ9TEKzjfj/WMngyIfsJ0F7xPtoM:2IIKXhZtL7jOTyIG87Xl

    Score
    9/10
    discoverypersistenceupx

    • Contacts a large (7074) amount of remote hosts

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

      discovery

    • Patched UPX-packed file

      Sample is packed with UPX but required header fields are zeroed out to prevent unpacking with the default UPX tool.

    • Changes its process name

    • Modifies Watchdog functionality

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

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • Creates a large amount of network flows

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

      discovery

    • Enumerates active TCP sockets

      Gets active TCP sockets from /proc virtual filesystem.

    • Modifies init.d

      Adds/modifies system service, likely for persistence.

      persistence

    • Reads system routing table

      Gets active network interfaces from /proc virtual filesystem.

    • Writes file to system bin folder

    behavioral1

MITRE ATT&CK Enterprise v6

Tasks