Resubmissions

12/08/2026, 04:33

260812-e6rlnayeqc10

11/08/2026, 11:57

260811-n4r9vasdmg7

11/08/2026, 11:57

260811-n4n77adp4v10

11/08/2026, 11:57

260811-n4kvrsdp3z7

11/08/2026, 05:48

260811-ghtr8ahj4s10

Analysis

  • max time kernel
    59s
  • max time network
    49s
  • platform
    ubuntu-18.04_amd64
  • resource
    ubuntu1804-amd64-20260513-en
  • resource tags

    arch:amd64arch:i386image:ubuntu1804-amd64-20260513-enkernel:4.15.0-213-genericlocale:en-usos:ubuntu-18.04-amd64system
  • submitted
    12/08/2026, 04:33

General

  • Target
    langflow_2026-08-05-react2shell-end_bin__dev_shm_5poLwV4.elf
  • Size 1.2MB
  • Sample260812-e6rlnayeqc
  • SHA256 deaeab9eb43fcf70d184c209e4bc1077ae6e7e2b182c1cbbc202dfdc053dc01c
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: xmrig

    XMRig is a high performance, open source, cross platform CPU/GPU miner.

  • XMRig Miner payload 1 IoCs
  • Executes dropped EXE 4 IoCs
  • Unexpected DNS network traffic destination 12 IoCs

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

  • Checks hardware identifiers (DMI) 1 TTPs 4 IoCs

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

  • Enumerates running processes

    Discovers information about currently running processes on the system

  • Reads hardware information 1 TTPs 14 IoCs

    Accesses system info like serial numbers, manufacturer names etc.

  • UPX packed file 1 IoCs

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

  • Changes its process name 4 IoCs
  • Checks CPU configuration 1 TTPs 1 IoCs

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

  • Reads CPU attributes 1 TTPs 46 IoCs
  • Enumerates kernel/hardware configuration 1 TTPs 28 IoCs

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

  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

Processes

  • /tmp/langflow_2026-08-05-react2shell-end_bin__dev_shm_5poLwV4.elf
    /tmp/langflow_2026-08-05-react2shell-end_bin__dev_shm_5poLwV4.elf
    1⤵
    • Executes dropped EXE
    • Enumerates kernel/hardware configuration
    • Reads runtime system information
    PID:1509
    • /tfcbhkl
      /tfcbhkl
      2⤵
        PID:1521
      • /tfcbhkl
        /tfcbhkl
        2⤵
          PID:1522
        • /tfcbhkl
          /tfcbhkl
          2⤵
            PID:1577
          • /kU8uyuRg
            /kU8uyuRg -c /nVNCt -B
            2⤵
            • Checks hardware identifiers (DMI)
            • Reads hardware information
            • Changes its process name
            • Checks CPU configuration
            • Reads CPU attributes
            • Enumerates kernel/hardware configuration
            PID:1965

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              kU8uyuRg

              • Path /kU8uyuRg
              • Size 2.5MB
              • SHA256 aa0c6cdbeb3bc3ce07d5060958e1a38e54287bc89e25f6def98b620999ff4f7a
              • MD5 SHA1 SHA512 SSDEEP TLSH

              nVNCt

              • Path /nVNCt
              • Size 1KB
              • SHA256 d5d2f981e68d1af72ba4af3d7dddd6467a2b1b7cfd52501ed4b036b54a5a9a31
              • MD5 SHA1 SHA512 TLSH

              nVNCt

              • Path /nVNCt
              • Size 1KB
              • SHA256 b3804330000a7330d7aad6975f61ec8d3765caae321a639a4a2971b19bc3307c
              • MD5 SHA1 SHA512 TLSH

              nVNCt

              • Path /nVNCt
              • Size 1KB
              • SHA256 c55d62b9d2f36a4a94c7491f1f4d09d4ced5b8df6c51c16569123e5f2dbca9bb
              • MD5 SHA1 SHA512 TLSH

              nVNCt

              • Path /nVNCt
              • Size 5KB
              • SHA256 1699bead5b1ad7977951cbf41dca37f3e682e38918869e20ef824f47eaef26cb
              • MD5 SHA1 SHA512 SSDEEP TLSH

              nVNCt

              • Path /nVNCt
              • Size 2KB
              • SHA256 1ca0281aa1c34aa75ceb6c80ab0d7528fac82c6682512f516dc758fb7a2ed134
              • MD5 SHA1 SHA512 TLSH

              nVNCt

              • Path /nVNCt
              • Size 1KB
              • SHA256 33f86965b06ade878bd09ba29a25e13a033fbee18e221c3db364e8960418dc01
              • MD5 SHA1 SHA512 TLSH

              tfcbhkl

              • Path /tfcbhkl
              • Size 8.0MB
              • SHA256 dc0994b307be7c7fef6beae9cf4742d55d42f3a636fdbf59aaaa4478bf95f1de
              • MD5 SHA1 SHA512 SSDEEP TLSH

              tfcbhkl

              • Path /tfcbhkl
              • Size 25B
              • SHA256 3dfc18bbb13e39bc7ba8aabbcdff3a0d882e1f6f919c7ae3337e1391fdc89940
              • MD5 SHA1 SHA512

              tfcbhkl

              • Path /tfcbhkl
              • Size 8.0MB
              • SHA256 63a71faf776768cbfaf074186d02473832617ef1c57c1dc5e11ba5b295cf05e1
              • MD5 SHA1 SHA512 SSDEEP TLSH

              tfcbhkl

              • Path /tfcbhkl
              • Size 8.0MB
              • SHA256 80fd40e630aa97c3bf8cbbf62f30f5a8aa0fa15c288f9eb054cf846b497b6644
              • MD5 SHA1 SHA512 SSDEEP TLSH