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Analysis

  • max time kernel
    150s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/11/2022, 16:39

General

  • Target

    6887bb2d463e4fe7d77ebce12a36905e00144a5a43af5da815461d2a5e30432a.exe

  • Size

    210KB

  • MD5

    1862a8d6b4d45ccebb728f889eb08b30

  • SHA1

    72a6a40ab3ca67315da42a7dd7e78a377ac4b1f6

  • SHA256

    6887bb2d463e4fe7d77ebce12a36905e00144a5a43af5da815461d2a5e30432a

  • SHA512

    c678dcf2a6a607b0f0661d319cde298af383a76cc4125688971270914dd06748d9327929dfb5f08e38c0d2802afa903311e3979eaae74c03f5569bf9608bc24d

  • SSDEEP

    3072:bVJnyPx5hsfuqJyLjodwE6SHj5cdsJbD3aU00LOXS2OYUOQLx:bVBSHhsfuqgLkWE0uJPKUJ2LU7

Malware Config

Signatures

  • Detects Smokeloader packer 6 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Executes dropped EXE 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Checks SCSI registry key(s) 3 TTPs 6 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6887bb2d463e4fe7d77ebce12a36905e00144a5a43af5da815461d2a5e30432a.exe
    "C:\Users\Admin\AppData\Local\Temp\6887bb2d463e4fe7d77ebce12a36905e00144a5a43af5da815461d2a5e30432a.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2608
    • C:\Users\Admin\AppData\Local\Temp\6887bb2d463e4fe7d77ebce12a36905e00144a5a43af5da815461d2a5e30432a.exe
      "C:\Users\Admin\AppData\Local\Temp\6887bb2d463e4fe7d77ebce12a36905e00144a5a43af5da815461d2a5e30432a.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:4740
  • C:\Users\Admin\AppData\Roaming\wgsirwt
    C:\Users\Admin\AppData\Roaming\wgsirwt
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2692
    • C:\Users\Admin\AppData\Roaming\wgsirwt
      C:\Users\Admin\AppData\Roaming\wgsirwt
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:2668

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    210KB

    MD5

    1862a8d6b4d45ccebb728f889eb08b30

    SHA1

    72a6a40ab3ca67315da42a7dd7e78a377ac4b1f6

    SHA256

    6887bb2d463e4fe7d77ebce12a36905e00144a5a43af5da815461d2a5e30432a

    SHA512

    c678dcf2a6a607b0f0661d319cde298af383a76cc4125688971270914dd06748d9327929dfb5f08e38c0d2802afa903311e3979eaae74c03f5569bf9608bc24d

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

    Filesize

    210KB

    MD5

    1862a8d6b4d45ccebb728f889eb08b30

    SHA1

    72a6a40ab3ca67315da42a7dd7e78a377ac4b1f6

    SHA256

    6887bb2d463e4fe7d77ebce12a36905e00144a5a43af5da815461d2a5e30432a

    SHA512

    c678dcf2a6a607b0f0661d319cde298af383a76cc4125688971270914dd06748d9327929dfb5f08e38c0d2802afa903311e3979eaae74c03f5569bf9608bc24d

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

    Filesize

    210KB

    MD5

    1862a8d6b4d45ccebb728f889eb08b30

    SHA1

    72a6a40ab3ca67315da42a7dd7e78a377ac4b1f6

    SHA256

    6887bb2d463e4fe7d77ebce12a36905e00144a5a43af5da815461d2a5e30432a

    SHA512

    c678dcf2a6a607b0f0661d319cde298af383a76cc4125688971270914dd06748d9327929dfb5f08e38c0d2802afa903311e3979eaae74c03f5569bf9608bc24d

  • memory/2608-135-0x0000000000600000-0x0000000000609000-memory.dmp

    Filesize

    36KB

  • memory/2608-134-0x000000000080D000-0x000000000081D000-memory.dmp

    Filesize

    64KB

  • memory/2668-144-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2668-145-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2692-143-0x00000000006BD000-0x00000000006CD000-memory.dmp

    Filesize

    64KB

  • memory/4740-136-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/4740-137-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/4740-133-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB