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Overview

overview

10

Static

static

3

1f6a038b6f...9a.exe

windows7-x64

10

1f6a038b6f...9a.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    135s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/12/2023, 12:20

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General

  • Target

    1f6a038b6f7993ddb94f24ee30311f9a.exe

  • Size

    299KB

  • MD5

    1f6a038b6f7993ddb94f24ee30311f9a

  • SHA1

    bcd2a26190a8faef7a9b23f462cdb2db4e47e89e

  • SHA256

    24a7636a676dc09dffe8365b94931c908891dbe55fa81f92279777ecf496db00

  • SHA512

    3ec3e77d7d5198ecfcaed9e982745603f0fc05e6dac4877659d9529f0907b95fb5904b439addfcca5fe8ebe61a753cf7c305583c6dfa7d39f192fe7b55dd47b5

  • SSDEEP

    6144:E/9cSPf0NLeK5PzX+tdE8vgg2Mn0qJL6tOOhxxdeTr/ekId:Ex8TzX+c4gg7xL6Jzxd6Lq

Score
10/10
smokeloaderbackdoortrojan

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://fiskahlilian16.top/

http://paishancho17.top/

http://ydiannetter18.top/

http://azarehanelle19.top/

http://quericeriant20.top/
rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

    trojanbackdoorsmokeloader
  • Deletes itself 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 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
  • Suspicious use of WriteProcessMemory 6 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\1f6a038b6f7993ddb94f24ee30311f9a.exe
    "C:\Users\Admin\AppData\Local\Temp\1f6a038b6f7993ddb94f24ee30311f9a.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4104
    • C:\Users\Admin\AppData\Local\Temp\1f6a038b6f7993ddb94f24ee30311f9a.exe
      "C:\Users\Admin\AppData\Local\Temp\1f6a038b6f7993ddb94f24ee30311f9a.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:1396
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1396 -s 328
        3⤵
        • Program crash
        PID:2456
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 1396 -ip 1396
    1⤵
      PID:4340

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • memory/1396-3-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

      Download

    • memory/1396-4-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

      Download

    • memory/1396-8-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

      Download

    • memory/3432-5-0x0000000002F20000-0x0000000002F35000-memory.dmp

      Filesize

      84KB

      Download

    • memory/4104-1-0x0000000000460000-0x0000000000560000-memory.dmp

      Filesize

      1024KB

      Download

    • memory/4104-2-0x00000000001C0000-0x00000000001C9000-memory.dmp

      Filesize

      36KB

      Download