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Analysis

  • max time kernel
    152s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/12/2022, 16:06

General

  • Target

    0fe9ad9529723aa84e782fc7a9e4ccd1d2c9720eb544c5f196dad52da65916b2.exe

  • Size

    273KB

  • MD5

    85cbf9277e814e4b950df45e4a245fab

  • SHA1

    d14351d7e63c3f9e2b45c0ba9cd39d94a3ac2635

  • SHA256

    0fe9ad9529723aa84e782fc7a9e4ccd1d2c9720eb544c5f196dad52da65916b2

  • SHA512

    a7ce87fa09ad6f7ba97e3b55381b0d349a7c3fbbcb9c5798fc8f8a39c1dacb1ec624f8113643782476576af1ef869df0d2a2cbc30a5d0d8ddb98dfcc88266c07

  • SSDEEP

    3072:DymXV0t4JYKM05DuYg9Wv56YfsQYT+oGTGBFxxghTDw02rwm91y22ZeXGMh0k:eOhuYghYEQWNGiBDxf02smQe2U

Malware Config

Signatures

  • Detects Smokeloader packer 2 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Blocklisted process makes network request 5 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 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: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0fe9ad9529723aa84e782fc7a9e4ccd1d2c9720eb544c5f196dad52da65916b2.exe
    "C:\Users\Admin\AppData\Local\Temp\0fe9ad9529723aa84e782fc7a9e4ccd1d2c9720eb544c5f196dad52da65916b2.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:3116
  • C:\Users\Admin\AppData\Local\Temp\6EF6.exe
    C:\Users\Admin\AppData\Local\Temp\6EF6.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:1544
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\syswow64\rundll32.exe" "C:\Windows\syswow64\shell32.dll",#61
      2⤵
      • Blocklisted process makes network request
      PID:3384

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\6EF6.exe

    Filesize

    854KB

    MD5

    b5ddd722870b01d4908f72a83c5d5d8b

    SHA1

    e04ff8b6ec35900961d7d34115d77438a5d8db8f

    SHA256

    dd38d9f92b19728b23891ceb5fa2220ab1e87e1b4d783c3111a9b36f7c274537

    SHA512

    0a1647d7d94b0fb94e74aad5becf456d28f4159da57e591fa0c5438db590d767508b7b53ec9ccfb9104a021f4df9add747a264d78d2b0b93f640c8a9baaefdfc

  • C:\Users\Admin\AppData\Local\Temp\6EF6.exe

    Filesize

    854KB

    MD5

    b5ddd722870b01d4908f72a83c5d5d8b

    SHA1

    e04ff8b6ec35900961d7d34115d77438a5d8db8f

    SHA256

    dd38d9f92b19728b23891ceb5fa2220ab1e87e1b4d783c3111a9b36f7c274537

    SHA512

    0a1647d7d94b0fb94e74aad5becf456d28f4159da57e591fa0c5438db590d767508b7b53ec9ccfb9104a021f4df9add747a264d78d2b0b93f640c8a9baaefdfc

  • memory/1544-147-0x0000000000400000-0x00000000004FD000-memory.dmp

    Filesize

    1012KB

  • memory/1544-143-0x0000000000400000-0x00000000004FD000-memory.dmp

    Filesize

    1012KB

  • memory/1544-142-0x0000000002330000-0x0000000002425000-memory.dmp

    Filesize

    980KB

  • memory/1544-141-0x00000000020D8000-0x0000000002179000-memory.dmp

    Filesize

    644KB

  • memory/3116-136-0x0000000000400000-0x000000000046C000-memory.dmp

    Filesize

    432KB

  • memory/3116-137-0x00000000004E0000-0x00000000004E9000-memory.dmp

    Filesize

    36KB

  • memory/3116-132-0x00000000005B8000-0x00000000005C8000-memory.dmp

    Filesize

    64KB

  • memory/3116-135-0x00000000005B8000-0x00000000005C8000-memory.dmp

    Filesize

    64KB

  • memory/3116-134-0x0000000000400000-0x000000000046C000-memory.dmp

    Filesize

    432KB

  • memory/3116-133-0x00000000004E0000-0x00000000004E9000-memory.dmp

    Filesize

    36KB

  • memory/3384-145-0x00000000007C0000-0x00000000007C3000-memory.dmp

    Filesize

    12KB

  • memory/3384-146-0x0000000000A50000-0x0000000000A53000-memory.dmp

    Filesize

    12KB