Analysis

  • max time kernel
    182s
  • max time network
    193s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 10:28

General

  • Target

    a0a9dc9dca037ec22207239bf99c94e577ef00fe6bfa959088377d7fc3ac4912.exe

  • Size

    186KB

  • MD5

    134701afe1946ef02dd43616ea9ad100

  • SHA1

    5a7dc7947a3824e81ed893ba03886d84092c5bae

  • SHA256

    a0a9dc9dca037ec22207239bf99c94e577ef00fe6bfa959088377d7fc3ac4912

  • SHA512

    0ffafcfd26d00823fe9d137ee812ca6fe7bce02cd7f0046dc10eecb579cc435a04896f52f34790aee0987eca9fedb51c4e24de328609485df27c6090e24cda05

  • SSDEEP

    3072:MDusvefFLMLCmFW4xO5leU1ln/4oiKSIviu:Cu5L6rFvw1h/4oRSIa

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 16 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a0a9dc9dca037ec22207239bf99c94e577ef00fe6bfa959088377d7fc3ac4912.exe
    "C:\Users\Admin\AppData\Local\Temp\a0a9dc9dca037ec22207239bf99c94e577ef00fe6bfa959088377d7fc3ac4912.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:2548
  • C:\Users\Admin\AppData\Roaming\hvtcbhw
    C:\Users\Admin\AppData\Roaming\hvtcbhw
    1⤵
    • Executes dropped EXE
    • Checks SCSI registry key(s)
    • Suspicious behavior: MapViewOfSection
    PID:3752

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    186KB

    MD5

    134701afe1946ef02dd43616ea9ad100

    SHA1

    5a7dc7947a3824e81ed893ba03886d84092c5bae

    SHA256

    a0a9dc9dca037ec22207239bf99c94e577ef00fe6bfa959088377d7fc3ac4912

    SHA512

    0ffafcfd26d00823fe9d137ee812ca6fe7bce02cd7f0046dc10eecb579cc435a04896f52f34790aee0987eca9fedb51c4e24de328609485df27c6090e24cda05

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

    Filesize

    186KB

    MD5

    134701afe1946ef02dd43616ea9ad100

    SHA1

    5a7dc7947a3824e81ed893ba03886d84092c5bae

    SHA256

    a0a9dc9dca037ec22207239bf99c94e577ef00fe6bfa959088377d7fc3ac4912

    SHA512

    0ffafcfd26d00823fe9d137ee812ca6fe7bce02cd7f0046dc10eecb579cc435a04896f52f34790aee0987eca9fedb51c4e24de328609485df27c6090e24cda05

  • memory/2548-132-0x000000000077E000-0x000000000078F000-memory.dmp

    Filesize

    68KB

  • memory/2548-133-0x0000000002380000-0x0000000002389000-memory.dmp

    Filesize

    36KB

  • memory/2548-134-0x0000000000400000-0x000000000064C000-memory.dmp

    Filesize

    2.3MB

  • memory/2548-135-0x0000000000400000-0x000000000064C000-memory.dmp

    Filesize

    2.3MB

  • memory/3752-138-0x00000000007CD000-0x00000000007DE000-memory.dmp

    Filesize

    68KB

  • memory/3752-139-0x0000000000400000-0x000000000064C000-memory.dmp

    Filesize

    2.3MB

  • memory/3752-140-0x0000000000400000-0x000000000064C000-memory.dmp

    Filesize

    2.3MB