Analysis

  • max time kernel
    150s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/09/2022, 20:39

General

  • Target

    file.exe

  • Size

    197KB

  • MD5

    b062af6e94c55dd5e0a0cc424758f81d

  • SHA1

    342fa3ece76e43b90ccf75693eafac737bd6706e

  • SHA256

    86002738fa3799993d1093c90c7a245dae50cb37044e8fd72877a7220c46ea2f

  • SHA512

    110ef458e9cb6d2a10d83729a4ee2b51ebe22aae3bfb736f2f946f79ad52c76be26df8a14d0e2f84657fa159b982fcf05cde40d5f698ff865196c9aadd91a1c8

  • SSDEEP

    3072:55ysULf4ZZ+A579Ik/yIiIxda5l5m8fBitS0m/PkkXx:OLCZZtniHmR

Malware Config

Signatures

  • Detects Smokeloader packer 1 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Executes dropped EXE 1 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 8 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:644
  • C:\Users\Admin\AppData\Roaming\huidijd
    C:\Users\Admin\AppData\Roaming\huidijd
    1⤵
    • Executes dropped EXE
    • Checks SCSI registry key(s)
    • Suspicious behavior: MapViewOfSection
    PID:4488

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    197KB

    MD5

    b062af6e94c55dd5e0a0cc424758f81d

    SHA1

    342fa3ece76e43b90ccf75693eafac737bd6706e

    SHA256

    86002738fa3799993d1093c90c7a245dae50cb37044e8fd72877a7220c46ea2f

    SHA512

    110ef458e9cb6d2a10d83729a4ee2b51ebe22aae3bfb736f2f946f79ad52c76be26df8a14d0e2f84657fa159b982fcf05cde40d5f698ff865196c9aadd91a1c8

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

    Filesize

    197KB

    MD5

    b062af6e94c55dd5e0a0cc424758f81d

    SHA1

    342fa3ece76e43b90ccf75693eafac737bd6706e

    SHA256

    86002738fa3799993d1093c90c7a245dae50cb37044e8fd72877a7220c46ea2f

    SHA512

    110ef458e9cb6d2a10d83729a4ee2b51ebe22aae3bfb736f2f946f79ad52c76be26df8a14d0e2f84657fa159b982fcf05cde40d5f698ff865196c9aadd91a1c8

  • memory/644-132-0x0000000000679000-0x0000000000689000-memory.dmp

    Filesize

    64KB

  • memory/644-133-0x0000000000650000-0x0000000000659000-memory.dmp

    Filesize

    36KB

  • memory/644-134-0x0000000000400000-0x000000000058B000-memory.dmp

    Filesize

    1.5MB

  • memory/644-135-0x0000000000400000-0x000000000058B000-memory.dmp

    Filesize

    1.5MB

  • memory/4488-138-0x0000000000648000-0x0000000000659000-memory.dmp

    Filesize

    68KB

  • memory/4488-139-0x0000000000400000-0x000000000058B000-memory.dmp

    Filesize

    1.5MB

  • memory/4488-140-0x0000000000400000-0x000000000058B000-memory.dmp

    Filesize

    1.5MB