Analysis

  • max time kernel
    152s
  • max time network
    151s
  • platform
    windows10_x64
  • resource
    win10v200722
  • submitted
    15/09/2020, 05:42

General

  • Target
    9e3111302c92059eb6062aacd98d26a8.exe
  • Size 202KB
  • Sample200915-e91vwncrwa
  • SHA256 d555ce44fb36cf92eff841e4881f33be598c1231c52c23868cf6eddf5196be8d
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • smokeloader

Version
  • 2020

C2
  • http://informatioshopname.ru/

  • http://ukronet.ru/

  • http://gmbshop.ru/

  • http://ucar.ug/

  • http://woproperty.xyz/

  • http://smatrhouseforyou.ru/

  • http://maningfarmllc.ru/

rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 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 2585 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9e3111302c92059eb6062aacd98d26a8.exe
    "C:\Users\Admin\AppData\Local\Temp\9e3111302c92059eb6062aacd98d26a8.exe"
    1⤵
    • Loads dropped DLL
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:3712
  • C:\Users\Admin\AppData\Roaming\ujsbjdt
    C:\Users\Admin\AppData\Roaming\ujsbjdt
    1⤵
    • Executes dropped EXE
    PID:3524
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3524 -s 484
      2⤵
      • Suspicious use of NtCreateProcessExOtherParentProcess
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:2948

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/2948-759-0x00000000056C0000-0x00000000056C1000-memory.dmp

        memory/2948-12-0x00000000055D0000-0x00000000055D1000-memory.dmp

        memory/2948-10-0x0000000004CF0000-0x0000000004CF1000-memory.dmp

        memory/2948-9-0x0000000004CF0000-0x0000000004CF1000-memory.dmp

        memory/2964-3-0x0000000000A50000-0x0000000000A66000-memory.dmp

        memory/3524-7-0x0000000000DF0000-0x0000000000DF1000-memory.dmp

        memory/3524-6-0x0000000000D01000-0x0000000000D02000-memory.dmp

        memory/3712-0-0x0000000000BD1000-0x0000000000BD2000-memory.dmp

        memory/3712-1-0x0000000000D90000-0x0000000000D91000-memory.dmp