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Overview

overview

10

Static

static

3

458f99c04c...ac.exe

windows7-x64

10

458f99c04c...ac.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    78s
  • max time network
    107s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/01/2024, 06:47

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General

  • Target

    458f99c04cb384590b8ea63bf97c41ac.exe

  • Size

    275KB

  • MD5

    458f99c04cb384590b8ea63bf97c41ac

  • SHA1

    6208b70599f90a744fb3dbc262efbef4d62efd56

  • SHA256

    6b6f8d06fa4a6cf408b0b087bf8351091b3abbbbd5be00d61ca54b2f32ac2f4e

  • SHA512

    117ed8485a04110ea0613a14da61a4324cf71777f5cf886af4137a1bec9a0c5b0851dc054efe772544eb262fb219cf3b4aa181333ae47b68a94ec232e3026ca9

  • SSDEEP

    6144:uC2hc8ZKCInY5L72W+TE800Bk1a+T7uqBSnjzV:chc8ZRIn07cTE80iwa+TgfV

Score
10/10
smokeloaderpub1backdoortrojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

Extracted

Family

smokeloader

Version

2020

C2

http://aucmoney.com/upload/

http://thegymmum.com/upload/

http://atvcampingtrips.com/upload/

http://kuapakualaman.com/upload/

http://renatazarazua.com/upload/

http://nasufmutlu.com/upload/
rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

    trojanbackdoorsmokeloader
  • Deletes itself 1 IoCs
  • Program crash 2 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: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 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.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\458f99c04cb384590b8ea63bf97c41ac.exe
    "C:\Users\Admin\AppData\Local\Temp\458f99c04cb384590b8ea63bf97c41ac.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:4500
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4500 -s 368
      2⤵
      • Program crash
      PID:1544
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4500 -ip 4500
    1⤵
      PID:1372
    • C:\Users\Admin\AppData\Roaming\viviffb
      C:\Users\Admin\AppData\Roaming\viviffb
      1⤵
        PID:428
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 428 -s 368
          2⤵
          • Program crash
          PID:4540
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 428 -ip 428
        1⤵
          PID:5068

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • memory/428-14-0x0000000002500000-0x0000000002600000-memory.dmp

          Filesize

          1024KB

          Download

        • memory/428-15-0x0000000000400000-0x00000000023AF000-memory.dmp

          Filesize

          31.7MB

          Download

        • memory/428-19-0x0000000000400000-0x00000000023AF000-memory.dmp

          Filesize

          31.7MB

          Download

        • memory/3524-4-0x0000000003130000-0x0000000003146000-memory.dmp

          Filesize

          88KB

          Download

        • memory/3524-16-0x0000000002C10000-0x0000000002C26000-memory.dmp

          Filesize

          88KB

          Download

        • memory/4500-2-0x0000000002510000-0x0000000002519000-memory.dmp

          Filesize

          36KB

          Download

        • memory/4500-1-0x0000000002580000-0x0000000002680000-memory.dmp

          Filesize

          1024KB

          Download

        • memory/4500-3-0x0000000000400000-0x00000000023AF000-memory.dmp

          Filesize

          31.7MB

          Download

        • memory/4500-7-0x0000000000400000-0x00000000023AF000-memory.dmp

          Filesize

          31.7MB

          Download