Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    04/11/2020, 06:34

General

  • Target
    d05b0346c49a0f6fddc9cdf69245b617.exe
  • Size 160KB
  • Sample201104-4w7q8pgmwe
  • SHA256 0bb3d0d83eb2f0f98af3bd6be5fe69658aec3cc0d7614f9cdc98b1ad76737d51
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • smokeloader

Version
  • 2020

C2
  • http://manufature2020.ru/

  • http://informatioshopname.ru/

  • http://jpproperty.ru/

  • http://gmbshop.ru/

  • http://ucar.ug/

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 2507 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 9 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d05b0346c49a0f6fddc9cdf69245b617.exe
    "C:\Users\Admin\AppData\Local\Temp\d05b0346c49a0f6fddc9cdf69245b617.exe"
    1⤵
    • Loads dropped DLL
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:4760
  • C:\Users\Admin\AppData\Roaming\sreigsa
    C:\Users\Admin\AppData\Roaming\sreigsa
    1⤵
    • Executes dropped EXE
    PID:960
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 960 -s 484
      2⤵
      • Suspicious use of NtCreateProcessExOtherParentProcess
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:644

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/644-47-0x0000000003060000-0x0000000003061000-memory.dmp

        memory/644-34-0x0000000003060000-0x0000000003061000-memory.dmp

        memory/644-22-0x00000000052C0000-0x00000000052C1000-memory.dmp

        memory/644-23-0x0000000003060000-0x0000000003061000-memory.dmp

        memory/644-24-0x0000000003060000-0x0000000003061000-memory.dmp

        memory/644-9-0x0000000004B00000-0x0000000004B01000-memory.dmp

        memory/644-10-0x0000000004B00000-0x0000000004B01000-memory.dmp

        memory/644-12-0x00000000051D0000-0x00000000051D1000-memory.dmp

        memory/644-21-0x0000000003060000-0x0000000003061000-memory.dmp

        memory/644-25-0x0000000003060000-0x0000000003061000-memory.dmp

        memory/644-31-0x0000000003060000-0x0000000003061000-memory.dmp

        memory/644-42-0x0000000003060000-0x0000000003061000-memory.dmp

        memory/644-51-0x0000000003060000-0x0000000003061000-memory.dmp

        memory/644-50-0x0000000003060000-0x0000000003061000-memory.dmp

        memory/644-49-0x0000000003060000-0x0000000003061000-memory.dmp

        memory/644-48-0x0000000003060000-0x0000000003061000-memory.dmp

        memory/644-44-0x0000000003060000-0x0000000003061000-memory.dmp

        memory/644-46-0x0000000003060000-0x0000000003061000-memory.dmp

        memory/644-26-0x0000000003060000-0x0000000003061000-memory.dmp

        memory/644-27-0x0000000003060000-0x0000000003061000-memory.dmp

        memory/644-39-0x0000000003060000-0x0000000003061000-memory.dmp

        memory/644-41-0x0000000003060000-0x0000000003061000-memory.dmp

        memory/644-40-0x0000000003060000-0x0000000003061000-memory.dmp

        memory/644-43-0x0000000003060000-0x0000000003061000-memory.dmp

        memory/644-38-0x0000000003060000-0x0000000003061000-memory.dmp

        memory/644-37-0x0000000003060000-0x0000000003061000-memory.dmp

        memory/644-36-0x0000000003060000-0x0000000003061000-memory.dmp

        memory/644-35-0x0000000003060000-0x0000000003061000-memory.dmp

        memory/644-45-0x0000000003060000-0x0000000003061000-memory.dmp

        memory/644-33-0x0000000003060000-0x0000000003061000-memory.dmp

        memory/644-32-0x0000000003060000-0x0000000003061000-memory.dmp

        memory/644-30-0x0000000003060000-0x0000000003061000-memory.dmp

        memory/644-29-0x0000000003060000-0x0000000003061000-memory.dmp

        memory/644-28-0x0000000003060000-0x0000000003061000-memory.dmp

        memory/960-7-0x0000000004DE0000-0x0000000004DE1000-memory.dmp

        memory/960-6-0x00000000032F6000-0x00000000032F7000-memory.dmp

        memory/2552-3-0x00000000014A0000-0x00000000014B6000-memory.dmp

        memory/4760-0-0x0000000003256000-0x0000000003257000-memory.dmp

        memory/4760-1-0x0000000004E90000-0x0000000004E91000-memory.dmp