Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-03-2024 12:08

General

  • Target

    b8b2ae812b47196a7be9ec41d6186eeaf28f2924b906299995db446be091d5e0.exe

  • Size

    203KB

  • MD5

    d0936de24510643fa68b2d3879ad79d9

  • SHA1

    b9f5bf48d34dfae63e695bfd90efad0a8137ede9

  • SHA256

    b8b2ae812b47196a7be9ec41d6186eeaf28f2924b906299995db446be091d5e0

  • SHA512

    4cf4dbfad11b4e9ac58243670027e6387d47bb74544777fedbe57c3e2e1373ca9fcf6727087bc1ae3c3d898e890e11f425b2b06cb611a205b8bc3c5bb89c1480

  • SSDEEP

    3072:/urEskahJisaBZmTrM1ICSZRKRc5h9QWRT+qBL2A:MEska6mTrEIbRKRc5Q+u

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

Extracted

Family

smokeloader

Version

2022

C2

http://gxutc2c.com/tmp/index.php

http://proekt8.ru/tmp/index.php

http://mth.com.ua/tmp/index.php

http://pirateking.online/tmp/index.php

http://piratia.pw/tmp/index.php

http://go-piratia.ru/tmp/index.php

rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 6 IoCs

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

  • Modifies registry class 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 19 IoCs
  • Suspicious use of FindShellTrayWindow 4 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.

Processes

  • C:\Users\Admin\AppData\Local\Temp\b8b2ae812b47196a7be9ec41d6186eeaf28f2924b906299995db446be091d5e0.exe
    "C:\Users\Admin\AppData\Local\Temp\b8b2ae812b47196a7be9ec41d6186eeaf28f2924b906299995db446be091d5e0.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:2348
  • C:\Users\Admin\AppData\Roaming\ftvaeug
    C:\Users\Admin\AppData\Roaming\ftvaeug
    1⤵
    • Executes dropped EXE
    • Checks SCSI registry key(s)
    • Suspicious behavior: MapViewOfSection
    PID:816
  • C:\Windows\system32\rundll32.exe
    "C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
    1⤵
      PID:3620
    • C:\Windows\System32\svchost.exe
      C:\Windows\System32\svchost.exe -k UnistackSvcGroup
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1928

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Roaming\ftvaeug

      Filesize

      203KB

      MD5

      d0936de24510643fa68b2d3879ad79d9

      SHA1

      b9f5bf48d34dfae63e695bfd90efad0a8137ede9

      SHA256

      b8b2ae812b47196a7be9ec41d6186eeaf28f2924b906299995db446be091d5e0

      SHA512

      4cf4dbfad11b4e9ac58243670027e6387d47bb74544777fedbe57c3e2e1373ca9fcf6727087bc1ae3c3d898e890e11f425b2b06cb611a205b8bc3c5bb89c1480

    • memory/816-14-0x0000000000470000-0x0000000000570000-memory.dmp

      Filesize

      1024KB

    • memory/816-15-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/816-17-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/1928-20-0x0000028EBD350000-0x0000028EBD360000-memory.dmp

      Filesize

      64KB

    • memory/1928-56-0x0000028EC5900000-0x0000028EC5901000-memory.dmp

      Filesize

      4KB

    • memory/1928-55-0x0000028EC57F0000-0x0000028EC57F1000-memory.dmp

      Filesize

      4KB

    • memory/1928-54-0x0000028EC57F0000-0x0000028EC57F1000-memory.dmp

      Filesize

      4KB

    • memory/1928-52-0x0000028EC57C0000-0x0000028EC57C1000-memory.dmp

      Filesize

      4KB

    • memory/1928-36-0x0000028EBD450000-0x0000028EBD460000-memory.dmp

      Filesize

      64KB

    • memory/2348-5-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/2348-1-0x0000000000570000-0x0000000000670000-memory.dmp

      Filesize

      1024KB

    • memory/2348-3-0x0000000000520000-0x000000000052B000-memory.dmp

      Filesize

      44KB

    • memory/2348-2-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/3512-16-0x0000000002420000-0x0000000002436000-memory.dmp

      Filesize

      88KB

    • memory/3512-4-0x00000000023C0000-0x00000000023D6000-memory.dmp

      Filesize

      88KB