Analysis

  • max time kernel
    153s
  • max time network
    132s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-10-2022 05:07

General

  • Target

    ac8b0317c2c99a50dd099a01b1edcb17.exe

  • Size

    260KB

  • MD5

    ac8b0317c2c99a50dd099a01b1edcb17

  • SHA1

    a8b3cb1a94b651f98fbe12cfcf3fd99b35336b3c

  • SHA256

    6892a4858088796e43d5209702ece9fe25054966d3b96854f1cc2cdccaa271bd

  • SHA512

    58b1449eddf92509d13c34b485eebdc215a4050322d04ddd9a0ba02d2b1e94e701127381f096930e3efa94393349ee934bf328b22ff54122703d6059923372af

  • SSDEEP

    3072:SqFhBBjULzeBvCz50cHhhq9k/sMD+qSFl3wsvuSIjVTa9TM/h3:PhBVULaBvIhhq9k/6rwsvuSAVOT

Malware Config

Signatures

  • Detects Smokeloader packer 4 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • 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: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ac8b0317c2c99a50dd099a01b1edcb17.exe
    "C:\Users\Admin\AppData\Local\Temp\ac8b0317c2c99a50dd099a01b1edcb17.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1868
    • C:\Users\Admin\AppData\Local\Temp\ac8b0317c2c99a50dd099a01b1edcb17.exe
      "C:\Users\Admin\AppData\Local\Temp\ac8b0317c2c99a50dd099a01b1edcb17.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:4924

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1868-135-0x0000000002CA0000-0x0000000002CA9000-memory.dmp

    Filesize

    36KB

  • memory/1868-134-0x0000000002CE7000-0x0000000002CFC000-memory.dmp

    Filesize

    84KB

  • memory/4924-132-0x0000000000000000-mapping.dmp

  • memory/4924-133-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/4924-136-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/4924-137-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB