Overview

overview

10

Static

static

1

b59a26cf9a...b2.exe

windows7-x64

10

b59a26cf9a...b2.exe

windows10-2004-x64

10

Resubmissions

25-03-2023 04:55

230325-fkalpabc45 10

23-03-2023 22:03

230323-1ygx5scd6t 10

Analysis

  • max time kernel
    270s
  • max time network
    257s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    25-03-2023 04:55

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General

  • Target

    b59a26cf9a84386e31f54cd6b18e44fba40b4716d9acf9c9ed6a85860105dbb2.exe

  • Size

    249KB

  • MD5

    fae86954741e60a3e85ba7d7884c8478

  • SHA1

    5b5dae13db12d4acdc5d78782938588b6173256f

  • SHA256

    b59a26cf9a84386e31f54cd6b18e44fba40b4716d9acf9c9ed6a85860105dbb2

  • SHA512

    f8eef60c2bbe47bbec1ba0cd85fe49a058f5e498daf2a22b7af8221962553ff565a8fc5ec3ebea85706ee522705ae690f754b14f26bf82e4b7da52724d55f003

  • SSDEEP

    3072:AnH+6IjwpCVuLkTOeYDNI5WXSnHsz0dsJlE2WKXK5KTrNUTZsl5hWpz7bIyNCG:g+XVuLQ/YDiQXWM73G0Wh7b

Score
10/10
smokeloaderbackdoortrojan

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://potunulit.org/

http://hutnilior.net/

http://bulimu55t.net/

http://soryytlic4.net/

http://novanosa5org.org/

http://nuljjjnuli.org/

http://tolilolihul.net/

http://somatoka51hub.net/

http://hujukui3.net/

http://bukubuka1.net/

http://golilopaster.org/

http://newzelannd66.org/

http://otriluyttn.org/
rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

    trojanbackdoorsmokeloader
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
    adwarespyware
  • Modifies registry class 52 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 14 IoCs
  • Suspicious use of FindShellTrayWindow 46 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b59a26cf9a84386e31f54cd6b18e44fba40b4716d9acf9c9ed6a85860105dbb2.exe
    "C:\Users\Admin\AppData\Local\Temp\b59a26cf9a84386e31f54cd6b18e44fba40b4716d9acf9c9ed6a85860105dbb2.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:2024
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /4
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:1144
  • C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    1⤵
      PID:1468
    • C:\Windows\system32\AUDIODG.EXE
      C:\Windows\system32\AUDIODG.EXE 0x184
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1968

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Persistence

    Privilege Escalation

    Defense Evasion

    Modify Registry

    1
    T1112

    Credential Access

    Discovery

    Query Registry

    1
    T1012

    Peripheral Device Discovery

    1
    T1120

    System Information Discovery

    1
    T1082

    Lateral Movement

    Collection

    Exfiltration

    Command and Control

    Impact

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1144-61-0x0000000140000000-0x00000001405E8000-memory.dmp
      Filesize

      5.9MB

      Download
    • memory/1144-62-0x0000000140000000-0x00000001405E8000-memory.dmp
      Filesize

      5.9MB

      Download
    • memory/1248-56-0x0000000002A50000-0x0000000002A66000-memory.dmp
      Filesize

      88KB

      Download
    • memory/1248-60-0x000007FEE4E70000-0x000007FEE4E7A000-memory.dmp
      Filesize

      40KB

      Download
    • memory/2024-55-0x0000000000220000-0x0000000000229000-memory.dmp
      Filesize

      36KB

      Download
    • memory/2024-57-0x0000000000400000-0x0000000000702000-memory.dmp
      Filesize

      3.0MB

      Download