Analysis

  • max time kernel
    150s
  • max time network
    33s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    22-03-2023 10:21

General

  • Target

    615c39d967d9dde2610d632bb98147f4.exe

  • Size

    360KB

  • MD5

    615c39d967d9dde2610d632bb98147f4

  • SHA1

    7d9490d20778fd2c45c355788d23aa461dc651c6

  • SHA256

    693ea03ec6210684d9437c2a31974184b816630a3d17d2eb9ee23441308281ae

  • SHA512

    cc24a015dbfbfd48d6c960a19cdf289297abcce8aad002fc6b728958c626b19a741fa3ed76219327aaf59a0b8981f8079438e5e89f80115eb6f9150c041371dd

  • SSDEEP

    3072:Sw/DlH0j8/64BjuajLSSimiA71hY++do7RSuLpZzrgwn0JV:5SS6aPFi6Y++dOMu9Zn

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 WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\615c39d967d9dde2610d632bb98147f4.exe
    "C:\Users\Admin\AppData\Local\Temp\615c39d967d9dde2610d632bb98147f4.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2036
    • C:\Users\Admin\AppData\Local\Temp\615c39d967d9dde2610d632bb98147f4.exe
      "C:\Users\Admin\AppData\Local\Temp\615c39d967d9dde2610d632bb98147f4.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:1484

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1264-59-0x00000000029B0000-0x00000000029C6000-memory.dmp

    Filesize

    88KB

  • memory/1484-55-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1484-56-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1484-58-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1484-60-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2036-57-0x0000000000220000-0x0000000000229000-memory.dmp

    Filesize

    36KB