Overview

overview

10

Static

static

3

79fe08c83e...4a.exe

windows7-x64

10

79fe08c83e...4a.exe

windows10-2004-x64

10

Resubmissions

21-02-2024 21:44

240221-1lqdrafg5w 10

21-02-2024 18:39

240221-xanh8sdd21 10

15-02-2023 18:24

230215-w18fnada5x 10

15-02-2023 17:35

230215-v6c19scg9t 10

10-02-2023 13:30

230210-qr8geaah9x 10

10-02-2023 13:25

230210-qn1x6abc29 10

10-02-2023 13:11

230210-qe8awaag29 10

29-01-2023 06:15

230129-gzxv7sbe38 10

29-01-2023 06:02

230129-grzptsbb44 10

Analysis

  • max time kernel
    60s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    21-02-2024 18:39

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General

  • Target

    79fe08c83e8f2f3679c3dfdcff6698b92489fa915ccfb3c3458827861034814a.exe

  • Size

    298KB

  • MD5

    11511ba5fd4de1fc5051d0bcefb388ae

  • SHA1

    5e9476f39df92e01d0952e703869e71f85d470cd

  • SHA256

    79fe08c83e8f2f3679c3dfdcff6698b92489fa915ccfb3c3458827861034814a

  • SHA512

    904f0e3a252cd0ef8108492de955ac520008b10b66da736cc4bbdc6a8c3736440a9a11edb73707ba415d7f3f4c2c590dfa983aca01864b9d66a6c3559ed744e9

  • SSDEEP

    3072:0pb2LIT54Ga9Qzgp4gaCJrSjgBoMZmYKxQCBnIyCSyxzID1C7hZW0KIsiuNZ:xLIKGa96dfkBoMsDlqSwzIDM/KPP

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
  • 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.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of WriteProcessMemory 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.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\79fe08c83e8f2f3679c3dfdcff6698b92489fa915ccfb3c3458827861034814a.exe
    "C:\Users\Admin\AppData\Local\Temp\79fe08c83e8f2f3679c3dfdcff6698b92489fa915ccfb3c3458827861034814a.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:1732
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {008F55EA-54A1-42D3-BE90-76C3DCFB7AB0} S-1-5-21-2248906074-2862704502-246302768-1000:GHPZRGFC\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2660
    • C:\Users\Admin\AppData\Roaming\twsecdj
      C:\Users\Admin\AppData\Roaming\twsecdj
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:2564

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\twsecdj
    Filesize

    298KB

    MD5

    11511ba5fd4de1fc5051d0bcefb388ae

    SHA1

    5e9476f39df92e01d0952e703869e71f85d470cd

    SHA256

    79fe08c83e8f2f3679c3dfdcff6698b92489fa915ccfb3c3458827861034814a

    SHA512

    904f0e3a252cd0ef8108492de955ac520008b10b66da736cc4bbdc6a8c3736440a9a11edb73707ba415d7f3f4c2c590dfa983aca01864b9d66a6c3559ed744e9

    Download Submit

  • memory/1196-4-0x0000000003DE0000-0x0000000003DF6000-memory.dmp

    Filesize

    88KB

    Download

  • memory/1196-17-0x0000000004090000-0x00000000040A6000-memory.dmp

    Filesize

    88KB

    Download

  • memory/1732-2-0x0000000000220000-0x0000000000229000-memory.dmp

    Filesize

    36KB

    Download

  • memory/1732-3-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

    Download

  • memory/1732-1-0x0000000000610000-0x0000000000710000-memory.dmp

    Filesize

    1024KB

    Download

  • memory/1732-5-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

    Download

  • memory/1732-8-0x0000000000220000-0x0000000000229000-memory.dmp

    Filesize

    36KB

    Download

  • memory/2564-15-0x00000000008D0000-0x00000000009D0000-memory.dmp

    Filesize

    1024KB

    Download

  • memory/2564-16-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

    Download

  • memory/2564-20-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

    Download