Analysis

  • max time kernel
    150s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/03/2023, 02:10

General

  • Target

    6812ce04f2230eaae1a0895a6133bce17c5979a1926d6f3979d4d7468f045f2b.exe

  • Size

    270KB

  • MD5

    47b9fef2ce2852babb2e40c80a2f2d04

  • SHA1

    71061818044480a7a8f55060192af13a11031f5a

  • SHA256

    6812ce04f2230eaae1a0895a6133bce17c5979a1926d6f3979d4d7468f045f2b

  • SHA512

    594cf18dce4ba26e502c0b154260555c213d21534bcc7ad236f6a3e3b25ca00d008cd527a82e063e2037b42ac08daf261c036dda9452eae3a6ca1d833dd38885

  • SSDEEP

    3072:91DEUqZuigpkEAQlq46mFDbGiwkOOkywGSTmX6WB+TDqYI:bqIilEM4BSV7GSTmb

Malware Config

Extracted

Family

smokeloader

Botnet

lab

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 12 IoCs
  • Suspicious use of FindShellTrayWindow 2 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\6812ce04f2230eaae1a0895a6133bce17c5979a1926d6f3979d4d7468f045f2b.exe
    "C:\Users\Admin\AppData\Local\Temp\6812ce04f2230eaae1a0895a6133bce17c5979a1926d6f3979d4d7468f045f2b.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3896
    • C:\Users\Admin\AppData\Local\Temp\6812ce04f2230eaae1a0895a6133bce17c5979a1926d6f3979d4d7468f045f2b.exe
      "C:\Users\Admin\AppData\Local\Temp\6812ce04f2230eaae1a0895a6133bce17c5979a1926d6f3979d4d7468f045f2b.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:3884

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/3188-137-0x0000000000900000-0x0000000000916000-memory.dmp

    Filesize

    88KB

  • memory/3884-134-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/3884-136-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/3884-138-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/3896-135-0x0000000000700000-0x0000000000709000-memory.dmp

    Filesize

    36KB