Overview

overview

10

Static

static

04psi.exe

windows7_x64

10

04psi.exe

windows10_x64

10

Analysis

  • max time kernel
    151s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    17-11-2020 05:46

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General

  • Target

    04psi.exe

  • Size

    237KB

  • MD5

    4bc2708122b1e43131888d1beee6c560

  • SHA1

    8a82caf8b8f908898145e953ef8f1e665e8058db

  • SHA256

    3fc06d1926ada759903e4ebc197f9da5baa80fb8f729f34395dd7c67e2d58a8c

  • SHA512

    fcf714de9ae1d23ebe054f601938653f9643dbbf288319b4c3b2872544dbb2c82c5db8a4abc64a146648da9f5b71760ce485c1b5935473d214736438dffc2749

Score
10/10
smokeloaderbackdoortrojan

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://rexstat35xm.xyz/statweb577/

http://dexspot2cx.club/statweb577/

http://atxspot20cx.best/statweb577/

http://rexspot7xm.xyz/statweb577/

http://datasectex.com/statweb577/

http://servicem977xm.xyz/statweb577/

http://advertxman7cx.xyz/statweb577/

http://starxpush7xm.xyz/statweb577/
rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

    trojanbackdoorsmokeloader
  • Deletes itself 1 IoCs
  • Loads dropped DLL 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 558 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\04psi.exe
    "C:\Users\Admin\AppData\Local\Temp\04psi.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2036
    • C:\Users\Admin\AppData\Local\Temp\04psi.exe
      "C:\Users\Admin\AppData\Local\Temp\04psi.exe"
      2⤵
      • Loads dropped DLL
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:1204

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\D47F.tmp
    MD5

    d124f55b9393c976963407dff51ffa79

    SHA1

    2c7bbedd79791bfb866898c85b504186db610b5d

    SHA256

    ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

    SHA512

    278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

    Download Submit

  • memory/1204-1-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB

    Download

  • memory/1204-2-0x0000000000402DBC-mapping.dmp

    Download

  • memory/1252-4-0x0000000002B30000-0x0000000002B46000-memory.dmp

    Filesize

    88KB

    Download

  • memory/2036-0-0x0000000001CC0000-0x0000000001CD1000-memory.dmp

    Filesize

    68KB

    Download