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Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/04/2023, 02:05

General

  • Target

    6d622a7bd71b3d9fc58e121ed184bd2323dd8e38b60f79fbe260a4bf842f847a.exe

  • Size

    347KB

  • MD5

    218fd755fc98aa60b8e5f52ecb73c914

  • SHA1

    32f98788c7d64f0169dcb9d3fcfc5539f0a6b6d5

  • SHA256

    6d622a7bd71b3d9fc58e121ed184bd2323dd8e38b60f79fbe260a4bf842f847a

  • SHA512

    525b73ddb5e6d203337ebefce7c059d97955e3e08c76c0d43233dfa84dade0a89ef1d4edda13ba43a5519148e8d5864a228e59f21d5ad2a879535b78d6ec7223

  • SSDEEP

    6144:BfCqdA2EXYn8BKEyET6TPVkaGAgABXZbbe4:Bf7dZln8BKEdTq9RgAZZbq4

Malware Config

Extracted

Family

smokeloader

Botnet

pu10

Extracted

Family

smokeloader

Version

2020

C2

http://host-file-host6.com/

http://host-host-file8.com/

rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • 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 AdjustPrivilegeToken 8 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\6d622a7bd71b3d9fc58e121ed184bd2323dd8e38b60f79fbe260a4bf842f847a.exe
    "C:\Users\Admin\AppData\Local\Temp\6d622a7bd71b3d9fc58e121ed184bd2323dd8e38b60f79fbe260a4bf842f847a.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4824
    • C:\Users\Admin\AppData\Local\Temp\6d622a7bd71b3d9fc58e121ed184bd2323dd8e38b60f79fbe260a4bf842f847a.exe
      "C:\Users\Admin\AppData\Local\Temp\6d622a7bd71b3d9fc58e121ed184bd2323dd8e38b60f79fbe260a4bf842f847a.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:636

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/636-138-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/636-135-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/636-136-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/732-159-0x0000000001260000-0x0000000001270000-memory.dmp

    Filesize

    64KB

  • memory/732-161-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/732-144-0x0000000001260000-0x0000000001270000-memory.dmp

    Filesize

    64KB

  • memory/732-145-0x0000000001260000-0x0000000001270000-memory.dmp

    Filesize

    64KB

  • memory/732-146-0x0000000001260000-0x0000000001270000-memory.dmp

    Filesize

    64KB

  • memory/732-148-0x0000000001260000-0x0000000001270000-memory.dmp

    Filesize

    64KB

  • memory/732-147-0x0000000001260000-0x0000000001270000-memory.dmp

    Filesize

    64KB

  • memory/732-149-0x0000000001260000-0x0000000001270000-memory.dmp

    Filesize

    64KB

  • memory/732-150-0x0000000001260000-0x0000000001270000-memory.dmp

    Filesize

    64KB

  • memory/732-162-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/732-152-0x0000000001260000-0x0000000001270000-memory.dmp

    Filesize

    64KB

  • memory/732-153-0x0000000001260000-0x0000000001270000-memory.dmp

    Filesize

    64KB

  • memory/732-154-0x0000000001260000-0x0000000001270000-memory.dmp

    Filesize

    64KB

  • memory/732-155-0x0000000001260000-0x0000000001270000-memory.dmp

    Filesize

    64KB

  • memory/732-156-0x0000000001260000-0x0000000001270000-memory.dmp

    Filesize

    64KB

  • memory/732-157-0x0000000001260000-0x0000000001270000-memory.dmp

    Filesize

    64KB

  • memory/732-158-0x0000000001260000-0x0000000001270000-memory.dmp

    Filesize

    64KB

  • memory/732-179-0x00000000010A0000-0x00000000010A2000-memory.dmp

    Filesize

    8KB

  • memory/732-137-0x00000000010E0000-0x00000000010F6000-memory.dmp

    Filesize

    88KB

  • memory/732-160-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/732-151-0x0000000001260000-0x0000000001270000-memory.dmp

    Filesize

    64KB

  • memory/732-163-0x0000000001260000-0x0000000001270000-memory.dmp

    Filesize

    64KB

  • memory/732-164-0x0000000001260000-0x0000000001270000-memory.dmp

    Filesize

    64KB

  • memory/732-165-0x0000000001260000-0x0000000001270000-memory.dmp

    Filesize

    64KB

  • memory/732-166-0x0000000001260000-0x0000000001270000-memory.dmp

    Filesize

    64KB

  • memory/732-167-0x0000000001260000-0x0000000001270000-memory.dmp

    Filesize

    64KB

  • memory/732-168-0x0000000001260000-0x0000000001270000-memory.dmp

    Filesize

    64KB

  • memory/732-169-0x0000000001260000-0x0000000001270000-memory.dmp

    Filesize

    64KB

  • memory/732-170-0x0000000001260000-0x0000000001270000-memory.dmp

    Filesize

    64KB

  • memory/732-171-0x0000000001260000-0x0000000001270000-memory.dmp

    Filesize

    64KB

  • memory/732-172-0x0000000001260000-0x0000000001270000-memory.dmp

    Filesize

    64KB

  • memory/732-173-0x0000000001260000-0x0000000001270000-memory.dmp

    Filesize

    64KB

  • memory/732-174-0x0000000001260000-0x0000000001270000-memory.dmp

    Filesize

    64KB

  • memory/732-175-0x0000000001260000-0x0000000001270000-memory.dmp

    Filesize

    64KB

  • memory/732-176-0x0000000001260000-0x0000000001270000-memory.dmp

    Filesize

    64KB

  • memory/732-177-0x0000000001260000-0x0000000001270000-memory.dmp

    Filesize

    64KB

  • memory/732-178-0x0000000001260000-0x0000000001270000-memory.dmp

    Filesize

    64KB

  • memory/4824-134-0x0000000002530000-0x0000000002539000-memory.dmp

    Filesize

    36KB