Analysis

  • max time kernel
    151s
  • max time network
    126s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    21/01/2022, 14:32

General

  • Target
    0daca42454265a66cdc6b1ef4e44d315.exe
  • Size 329KB
  • Sample220121-rwaxdaaagn
  • SHA256 56a366fbe2babfa88e0e073d2c07e357ec4998d6d33077d53c222099ba8b97fb
  • MD5 SHA1 SHA512

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\0daca42454265a66cdc6b1ef4e44d315.exe
    "C:\Users\Admin\AppData\Local\Temp\0daca42454265a66cdc6b1ef4e44d315.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2460
    • C:\Users\Admin\AppData\Local\Temp\0daca42454265a66cdc6b1ef4e44d315.exe
      "C:\Users\Admin\AppData\Local\Temp\0daca42454265a66cdc6b1ef4e44d315.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:2620

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/2460-117-0x0000000000630000-0x0000000000639000-memory.dmp

        memory/2620-116-0x0000000000400000-0x0000000000409000-memory.dmp

        memory/2620-118-0x0000000000400000-0x0000000000409000-memory.dmp

        memory/3036-119-0x0000000000F20000-0x0000000000F36000-memory.dmp