Analysis

  • max time kernel
    158s
  • max time network
    162s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    27-01-2022 16:31

General

  • Target

    b87d122c545b8dcdab899620aead7068.exe

  • Size

    189KB

  • MD5

    b87d122c545b8dcdab899620aead7068

  • SHA1

    b039d8a382e4323d08d444b3190ea936185e9404

  • SHA256

    3d6425cf292c5a78f2014754d8a3368a934110587077584bc54b54642609b1f0

  • SHA512

    08d6cf272536f7a7770b89c9b29d387303584781a5752c542335a8d63ce9cd1fa3ba850e615abd920e349b353edf6b0bc9994dab5e4f9ab05f6dfd9245898435

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\b87d122c545b8dcdab899620aead7068.exe
    "C:\Users\Admin\AppData\Local\Temp\b87d122c545b8dcdab899620aead7068.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:528
    • C:\Users\Admin\AppData\Local\Temp\b87d122c545b8dcdab899620aead7068.exe
      "C:\Users\Admin\AppData\Local\Temp\b87d122c545b8dcdab899620aead7068.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:3304

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/528-119-0x00000000005D0000-0x00000000005D9000-memory.dmp

    Filesize

    36KB

  • memory/3020-122-0x0000000000850000-0x0000000000866000-memory.dmp

    Filesize

    88KB

  • memory/3304-120-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/3304-121-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB