Analysis

  • max time kernel
    151s
  • max time network
    130s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/09/2022, 23:49

General

  • Target

    file.exe

  • Size

    129KB

  • MD5

    4ca202b9f0ab111160d8f76828b3c846

  • SHA1

    9de7f99dbbc1e5884c1c19b4dc4fc5c7547c14c9

  • SHA256

    51d731f0dd3f253a5bff6fe46b92fcdc576b3eb2e12fb2cd213f18db5fa3d850

  • SHA512

    2391f9c2ace749183dbee6abc43c9380226fd0f80d92933957f0382ea659670510be4a013f3284407950000e07a930802bc38384d86f357774934d7360eaebd6

  • SSDEEP

    3072:BF2RgtTI5wZ8UvYFAujPq8mCHr5/gWP/nciex897LEu5B:BtZ8Z7LplpP/Bex8C

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

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:4676
  • C:\Users\Admin\AppData\Roaming\icstjac
    C:\Users\Admin\AppData\Roaming\icstjac
    1⤵
    • Executes dropped EXE
    • Checks SCSI registry key(s)
    • Suspicious behavior: MapViewOfSection
    PID:3800

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    129KB

    MD5

    4ca202b9f0ab111160d8f76828b3c846

    SHA1

    9de7f99dbbc1e5884c1c19b4dc4fc5c7547c14c9

    SHA256

    51d731f0dd3f253a5bff6fe46b92fcdc576b3eb2e12fb2cd213f18db5fa3d850

    SHA512

    2391f9c2ace749183dbee6abc43c9380226fd0f80d92933957f0382ea659670510be4a013f3284407950000e07a930802bc38384d86f357774934d7360eaebd6

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

    Filesize

    129KB

    MD5

    4ca202b9f0ab111160d8f76828b3c846

    SHA1

    9de7f99dbbc1e5884c1c19b4dc4fc5c7547c14c9

    SHA256

    51d731f0dd3f253a5bff6fe46b92fcdc576b3eb2e12fb2cd213f18db5fa3d850

    SHA512

    2391f9c2ace749183dbee6abc43c9380226fd0f80d92933957f0382ea659670510be4a013f3284407950000e07a930802bc38384d86f357774934d7360eaebd6

  • memory/3800-140-0x0000000000680000-0x0000000000780000-memory.dmp

    Filesize

    1024KB

  • memory/3800-141-0x0000000000400000-0x000000000057E000-memory.dmp

    Filesize

    1.5MB

  • memory/3800-142-0x0000000000400000-0x000000000057E000-memory.dmp

    Filesize

    1.5MB

  • memory/4676-132-0x0000000000729000-0x000000000073A000-memory.dmp

    Filesize

    68KB

  • memory/4676-133-0x00000000006D0000-0x00000000006D9000-memory.dmp

    Filesize

    36KB

  • memory/4676-134-0x0000000000400000-0x000000000057E000-memory.dmp

    Filesize

    1.5MB

  • memory/4676-135-0x0000000000729000-0x000000000073A000-memory.dmp

    Filesize

    68KB

  • memory/4676-136-0x0000000000400000-0x000000000057E000-memory.dmp

    Filesize

    1.5MB