Analysis

  • max time kernel
    151s
  • max time network
    125s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    26-01-2022 07:13

General

  • Target

    c0cd67b8d13f4e78bc7f28097ea8cc34fceadc07a0e627b355a2315b169373cb.exe

  • Size

    333KB

  • MD5

    f27d49c64240bc5941a5fd0d5fd931a0

  • SHA1

    0e0d5405237d01eac47742193ba66a2eedd0ccd3

  • SHA256

    c0cd67b8d13f4e78bc7f28097ea8cc34fceadc07a0e627b355a2315b169373cb

  • SHA512

    3fd9a9f95ce39c5ffaf9741663f16a205ef33221d00d04256e7524cf63fa20a2d46fc3e60b16a282c5a7cbee07636f8027e17b8e001a5c62c02860051d642e8e

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://host-data-coin-11.com/

http://file-coin-host-12.com/

rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Deletes itself 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c0cd67b8d13f4e78bc7f28097ea8cc34fceadc07a0e627b355a2315b169373cb.exe
    "C:\Users\Admin\AppData\Local\Temp\c0cd67b8d13f4e78bc7f28097ea8cc34fceadc07a0e627b355a2315b169373cb.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2452
    • C:\Users\Admin\AppData\Local\Temp\c0cd67b8d13f4e78bc7f28097ea8cc34fceadc07a0e627b355a2315b169373cb.exe
      "C:\Users\Admin\AppData\Local\Temp\c0cd67b8d13f4e78bc7f28097ea8cc34fceadc07a0e627b355a2315b169373cb.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:2784

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/2452-115-0x0000000000780000-0x00000000007A9000-memory.dmp

    Filesize

    164KB

  • memory/2452-117-0x0000000000560000-0x0000000000569000-memory.dmp

    Filesize

    36KB

  • memory/2784-116-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2784-118-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/3016-119-0x0000000000B50000-0x0000000000B66000-memory.dmp

    Filesize

    88KB