Overview

overview

10

Static

static

23bef893e3...6b.exe

windows7_x64

23bef893e3...6b.exe

windows10_x64

Resubmissions

09-09-2020 09:18

200909-ev13telmdn 10

08-09-2020 17:08

200908-br2a8ynnpn 10

08-09-2020 17:07

200908-2bbw72ekmn 10

08-09-2020 16:54

200908-qgbye23mhs 10

08-09-2020 16:46

200908-p5f4c5cdzj 10

Analysis

  • max time kernel
    32s
  • max time network
    9s
  • platform
    windows7_x64
  • resource
    win7v200722
  • submitted
    08-09-2020 17:07

Sharing

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Errors

Reason
Machine shutdown
Report Analysis Logs

General

  • Target

    23bef893e3af7cb49dc5ae0a14452ed781f841db7397dc3ebb689291fd701b6b.exe

  • Size

    154KB

  • MD5

    91879bdd73625ac38c31fe5225310e92

  • SHA1

    a007b979483ee6b57b93a11340932a60f5781570

  • SHA256

    23bef893e3af7cb49dc5ae0a14452ed781f841db7397dc3ebb689291fd701b6b

  • SHA512

    22678f18385ed177ed34cac52fc8667c6d6cdc2953b1818a6e530411894aa6947b04408320137af8ebd5b1d6d733f374a1d962608e0e6c234e5a43b89fe9de3c

Score
10/10
trojanbackdoorsmokeloader

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://dkajsdjiqwdwnfj.info/

http://2831ujedkdajsdj.info/

http://928eijdksasnfss.info/

https://dkajsdjiqwdwnfj.info/

https://2831ujedkdajsdj.info/

https://928eijdksasnfss.info/
rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

    trojanbackdoorsmokeloader
  • Loads dropped DLL 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Modifies registry class 8 IoCs
  • Suspicious behavior: EnumeratesProcesses 118 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 12 IoCs
  • Suspicious use of FindShellTrayWindow 5 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\23bef893e3af7cb49dc5ae0a14452ed781f841db7397dc3ebb689291fd701b6b.exe
    "C:\Users\Admin\AppData\Local\Temp\23bef893e3af7cb49dc5ae0a14452ed781f841db7397dc3ebb689291fd701b6b.exe"
    1⤵
    • Loads dropped DLL
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:1264
  • C:\Windows\system32\LogonUI.exe
    "LogonUI.exe" /flags:0x0
    1⤵
      PID:1520
    • C:\Windows\system32\AUDIODG.EXE
      C:\Windows\system32\AUDIODG.EXE 0x59c
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:584
    • C:\Windows\system32\LogonUI.exe
      "LogonUI.exe" /flags:0x1
      1⤵
        PID:852

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

      • memory/1200-3-0x0000000003D60000-0x0000000003D76000-memory.dmp

        Filesize

        88KB

        Download

      • memory/1200-4-0x0000000003EE0000-0x0000000003EE1000-memory.dmp

        Filesize

        4KB

        Download

      • memory/1200-5-0x0000000003EE0000-0x0000000003EF3000-memory.dmp

        Filesize

        76KB

        Download

      • memory/1264-0-0x0000000000AC9000-0x0000000000ACA000-memory.dmp

        Filesize

        4KB

        Download

      • memory/1264-1-0x0000000000BB0000-0x0000000000BC1000-memory.dmp

        Filesize

        68KB

        Download