Overview

overview

10

Static

static

load.exe

windows7_x64

10

load.exe

windows10_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    10-03-2021 23:25

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General

  • Target

    load.exe

  • Size

    284KB

  • MD5

    5ed271e10ba37319d01d44acd33489a7

  • SHA1

    7130a850b50d5fccc1401f57ad95cac863a02062

  • SHA256

    178fb69c394a6d86a3695acbb025bc2f3be31dea683ee6e5016af0566eef8111

  • SHA512

    882d1adf9f2513d5578a72dcc50f0ef510def30c2c1ed0af5f051752e299a72be79c48660038aa852a39007c8286c6ea2ba2886cf0d8e4a859573faedf1ca27f

Score
10/10
smokeloaderbackdoordiscoverytrojan

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://jibw.top/

http://lakf.top/

http://yapv.top/

http://pqdb.top/

http://bpqx.top/

http://gyuw.top/

http://vafc.top/

http://qgam.top/

http://viio.top/

http://chpp.top/

http://csji.top/

http://xxql.top/

http://vtxa.top/

http://ggoz.top/

http://crpa.top/

http://vuss.top/

http://coal.top/

http://fymm.top/

http://roaf.top/

http://aeus.top/
rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

    trojanbackdoorsmokeloader
  • Executes dropped EXE 2 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    discovery
  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 5 IoCs
  • Suspicious use of SendNotifyMessage 6 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\load.exe
    "C:\Users\Admin\AppData\Local\Temp\load.exe"
    1⤵
    • Loads dropped DLL
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:1932
  • C:\Users\Admin\AppData\Local\Temp\D8D2.exe
    C:\Users\Admin\AppData\Local\Temp\D8D2.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:348
    • C:\Users\Admin\AppData\Local\Temp\is-L5LVR.tmp\D8D2.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-L5LVR.tmp\D8D2.tmp" /SL5="$3011A,6439171,58368,C:\Users\Admin\AppData\Local\Temp\D8D2.exe" /verysilent
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      PID:820
  • C:\Windows\SysWOW64\explorer.exe
    C:\Windows\SysWOW64\explorer.exe
    1⤵
      PID:1124

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • memory/348-21-0x0000000000401000-0x000000000040C000-memory.dmp

      Filesize

      44KB

      Download

    • memory/820-22-0x0000000000240000-0x0000000000241000-memory.dmp

      Filesize

      4KB

      Download

    • memory/1124-18-0x00000000741E1000-0x00000000741E3000-memory.dmp

      Filesize

      8KB

      Download

    • memory/1124-23-0x0000000000090000-0x0000000000098000-memory.dmp

      Filesize

      32KB

      Download

    • memory/1124-24-0x0000000000080000-0x000000000008B000-memory.dmp

      Filesize

      44KB

      Download

    • memory/1260-7-0x0000000003670000-0x0000000003686000-memory.dmp

      Filesize

      88KB

      Download

    • memory/1932-6-0x0000000000400000-0x000000000040A000-memory.dmp

      Filesize

      40KB

      Download

    • memory/1932-2-0x0000000000B10000-0x0000000000B21000-memory.dmp

      Filesize

      68KB

      Download

    • memory/1932-5-0x0000000000020000-0x000000000002A000-memory.dmp

      Filesize

      40KB

      Download

    • memory/1932-3-0x00000000750C1000-0x00000000750C3000-memory.dmp

      Filesize

      8KB

      Download