Analysis

  • max time kernel
    150s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    08/03/2024, 07:18

General

  • Target

    tmp.exe

  • Size

    284KB

  • MD5

    e3dc222d0a34c4b230f538a67bb7265d

  • SHA1

    d88345aef0e59341e6c4297d2685cb5f08c0aa80

  • SHA256

    a7f605d4110bba430e02c7c5240e656fb3f1dd7f02dce985e9e5677169c9de55

  • SHA512

    3d775c3c940ddd3d43fa56726ae4f8c0442a4d576cb410e60e2f010e1ff6273a2064f646c6af4a6993ff78924c329ac821811f97402d1472495c1d7a6d838797

  • SSDEEP

    6144:ukXNoFja9QXwKN1NdR7ws5lDohIiTXcnXzrCZemJPg1ZVzqH:jiFWUtXjDojODrXeIBze

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://glueberry-og.cc/

http://glueberry-og.co/

http://glueberry-og.to/

rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 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 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\tmp.exe
    "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1392
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:2564
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {6908DA1F-7018-41F9-9AEB-BD8023FA10FD} S-1-5-21-3787592910-3720486031-2929222812-1000:HSNHLVYA\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2692
    • C:\Users\Admin\AppData\Roaming\bvrcdbf
      C:\Users\Admin\AppData\Roaming\bvrcdbf
      2⤵
      • Executes dropped EXE
      PID:1316

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Roaming\bvrcdbf

          Filesize

          63KB

          MD5

          b58b926c3574d28d5b7fdd2ca3ec30d5

          SHA1

          d260c4ffd603a9cfc057fcb83d678b1cecdf86f9

          SHA256

          6e70b56d748c4ccab13cc8a055d3795ea0dd95fe3b70568d7d3ac0c6621140a3

          SHA512

          b13cb998822b716b695013bcd6dec62a2290567d0d1743b2d982ca084235cf69c6ea1fc91c9d4e62657c6f9e102c7c60e81296ab055ffe43b887c5f8ec8958ab

        • memory/1252-17-0x00000000029C0000-0x00000000029D6000-memory.dmp

          Filesize

          88KB

        • memory/1316-28-0x00000000748B0000-0x0000000074F9E000-memory.dmp

          Filesize

          6.9MB

        • memory/1316-26-0x00000000010C0000-0x00000000010D2000-memory.dmp

          Filesize

          72KB

        • memory/1316-27-0x00000000748B0000-0x0000000074F9E000-memory.dmp

          Filesize

          6.9MB

        • memory/1392-3-0x0000000004760000-0x00000000047A0000-memory.dmp

          Filesize

          256KB

        • memory/1392-6-0x0000000004670000-0x00000000046BC000-memory.dmp

          Filesize

          304KB

        • memory/1392-5-0x0000000000400000-0x0000000000432000-memory.dmp

          Filesize

          200KB

        • memory/1392-0-0x0000000000C50000-0x0000000000C9E000-memory.dmp

          Filesize

          312KB

        • memory/1392-4-0x0000000000280000-0x00000000002B2000-memory.dmp

          Filesize

          200KB

        • memory/1392-2-0x0000000000A00000-0x0000000000A4A000-memory.dmp

          Filesize

          296KB

        • memory/1392-16-0x0000000074870000-0x0000000074F5E000-memory.dmp

          Filesize

          6.9MB

        • memory/1392-1-0x0000000074870000-0x0000000074F5E000-memory.dmp

          Filesize

          6.9MB

        • memory/2564-10-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/2564-18-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/2564-15-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/2564-14-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/2564-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

        • memory/2564-8-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB