Analysis

  • max time kernel
    150s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    15-03-2024 07:15

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

  • PureLog Stealer

    PureLog Stealer is an infostealer written in C#.

  • PureLog Stealer payload 2 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • 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 WriteProcessMemory 24 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 behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:460
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      2⤵
        PID:2696
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        2⤵
          PID:2848
        • 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:2576

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/460-6-0x00000000007F0000-0x000000000083C000-memory.dmp

        Filesize

        304KB

      • memory/460-13-0x0000000073EB0000-0x000000007459E000-memory.dmp

        Filesize

        6.9MB

      • memory/460-2-0x00000000005A0000-0x00000000005EA000-memory.dmp

        Filesize

        296KB

      • memory/460-3-0x0000000004810000-0x0000000004850000-memory.dmp

        Filesize

        256KB

      • memory/460-4-0x0000000000630000-0x0000000000662000-memory.dmp

        Filesize

        200KB

      • memory/460-5-0x0000000000780000-0x00000000007B2000-memory.dmp

        Filesize

        200KB

      • memory/460-1-0x0000000073EB0000-0x000000007459E000-memory.dmp

        Filesize

        6.9MB

      • memory/460-0-0x0000000000140000-0x000000000018E000-memory.dmp

        Filesize

        312KB

      • memory/1344-15-0x00000000025B0000-0x00000000025C6000-memory.dmp

        Filesize

        88KB

      • memory/2576-9-0x0000000000400000-0x000000000040B000-memory.dmp

        Filesize

        44KB

      • memory/2576-12-0x0000000000400000-0x000000000040B000-memory.dmp

        Filesize

        44KB

      • memory/2576-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/2576-14-0x0000000000400000-0x000000000040B000-memory.dmp

        Filesize

        44KB

      • memory/2576-16-0x0000000000400000-0x000000000040B000-memory.dmp

        Filesize

        44KB

      • memory/2576-8-0x0000000000400000-0x000000000040B000-memory.dmp

        Filesize

        44KB