Overview

overview

6

Static

static

1

WFInfo.appimage

ubuntu-24.04-amd64

6

Resubmissions

12/07/2026, 20:13

260712-yzj3sagv2q6

12/07/2026, 20:04

260712-ytmlqaas6v6

Analysis

  • user interaction
    yes
  • max time kernel
    299s
  • max time network
    291s
  • platform
    ubuntu-24.04_amd64
  • resource
    ubuntu2404-amd64-20260126-en
  • resource tags

    arch:amd64arch:i386image:ubuntu2404-amd64-20260126-enkernel:6.8.0-31-genericlocale:en-usos:ubuntu-24.04-amd64system
  • submitted
    12/07/2026, 20:04

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General

  • Target
    WFInfo.appimage
  • Size 22.2MB
  • Sample260712-ytmlqaas6v
  • SHA256 c0c585f647d60d6a1caaff807b895f912d5c185cc7e53789c05b2798dc0d0fb5
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
6/10
antivmdiscoverykeylogger

Malware Config

Signatures

  • Contacts third-party web service commonly abused for C2 1 TTPs 3 IoCs

    Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

  • Enumerates running processes

    Discovers information about currently running processes on the system

  • Reads hardware input events 1 TTPs 3 IoCs

    Reads raw input events from the evdev driver, possibly to record keystrokes.

    keyloggerdiscovery
  • Changes its process name 6 IoCs
  • Checks CPU configuration 1 TTPs 1 IoCs

    Checks CPU information which indicate if the system is a virtual machine.

    antivm
  • Reads CPU attributes 1 TTPs 12 IoCs
    discovery
  • Enumerates kernel/hardware configuration 1 TTPs 7 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 shm directory 1 IoCs

    Malware can drop malicious files in the shm directory which will run directly from RAM.

  • Writes file to tmp directory 2 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/WFInfo.appimage
    /tmp/WFInfo.appimage
    1⤵
    • Reads runtime system information
    PID:2038
    • /usr/bin/fusermount
      /usr/bin/fusermount
      2⤵
        PID:2044
    • /tmp/.mount_WFInfolLpCFH/AppRun
      /tmp/WFInfo.appimage
      1⤵
        PID:2038
        • /usr/bin/readlink
          readlink -f /tmp/.mount_WFInfolLpCFH/AppRun
          2⤵
            PID:2048
          • /usr/bin/dirname
            dirname /tmp/.mount_WFInfolLpCFH/AppRun
            2⤵
              PID:2049
            • /usr/bin/mktemp
              mktemp -d /tmp/wfinfo-native.XXXXXX
              2⤵
                PID:2050
              • /usr/bin/ln
                ln -sf /usr/lib/x86_64-linux-gnu/libdl.so.2 /tmp/wfinfo-native.WaoUiM/libdl.so
                2⤵
                  PID:2051
              • /tmp/.mount_WFInfolLpCFH/usr/bin/WFInfo.Linux
                /tmp/.mount_WFInfolLpCFH/usr/bin/WFInfo.Linux
                1⤵
                • Reads hardware input events
                • Changes its process name
                • Checks CPU configuration
                • Reads CPU attributes
                • Enumerates kernel/hardware configuration
                • Reads runtime system information
                • Writes file to shm directory
                • Writes file to tmp directory
                PID:2038

              Network

                    MITRE ATT&CK Enterprise v16

                    Replay Monitor

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                    Downloads

                    fallback_names.en.json
                    • Path /root/.local/share/WFInfo/fallback_names.en.json
                    • Size 1.5MB
                    • SHA256 6f3d276af1506acf60721ae5e2c1ffbd6132172c01e98559f67277ae49f37106
                    • MD5 SHA1 SHA512 SSDEEP TLSH
                    Submit Download

                    market_items.json.tmp
                    • Path /root/.local/share/WFInfo/market_items.json.tmp
                    • Size 58KB
                    • SHA256 6755790ead34a30928ca806e8e2a9c57b8beff2478249a28349b588e6e4a6e87
                    • MD5 SHA1 SHA512 SSDEEP TLSH
                    Submit Download

                    settings.json.tmp
                    • Path /root/.local/share/WFInfo/settings.json.tmp
                    • Size 1KB
                    • SHA256 50dd0e8ec36392547e0d87c977efd494362b7943268da3fb20c2b5e463bae30d
                    • MD5 SHA1 SHA512 TLSH
                    Submit Download

                    en.traineddata
                    • Path /root/.local/share/WFInfo/tessdata/en.traineddata
                    • Size 30.4MB
                    • SHA256 1cb1468826191cc7d4158fe0a3014d3f5e3bbac618d754586afc86ddae8bcdae
                    • MD5 SHA1 SHA512 SSDEEP TLSH
                    Submit Download

                    wfinfo_vk.json
                    • Path /root/.local/share/vulkan/implicit_layer.d/wfinfo_vk.json
                    • Size 479B
                    • SHA256 ab684a409db11e6a1bc5e26252e53b92d848db75e0dfaab0c31655607c17b9c1
                    • MD5 SHA1 SHA512 TLSH
                    Submit Download

                    wfinfo_notification_root.wav
                    • Path /tmp/wfinfo_notification_root.wav
                    • Size 240KB
                    • SHA256 7398abe905c2b5aaba73c979a139335dd84fe17895494c2e1540a95edfb70c7e
                    • MD5 SHA1 SHA512 SSDEEP TLSH
                    Submit Download