Analysis

  • max time kernel
    153s
  • max time network
    160s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-12-2022 06:02

General

  • Target

    54e4cf67ef383099affe0a67d2c4a8abf1fc80950c31dd2e9177a6486734dab4.exe

  • Size

    320KB

  • MD5

    8ceb0bfffa0681d59d4243f8670b941a

  • SHA1

    2804b70de8b09e652b894f3990f0767f73f9c787

  • SHA256

    54e4cf67ef383099affe0a67d2c4a8abf1fc80950c31dd2e9177a6486734dab4

  • SHA512

    13fa69799c3287b17159a758e903b7c28e635db491853766ca21810c0cccfc31b18f6ac6311811a838cf87e025551d4ef70a15e92d7b085b65b3ccc85eadea4a

  • SSDEEP

    3072:JB8X2H4v+bKynVuqtLkOxkP9bB5ayDNrKMTuyCzx3ntX4ffIm28DHWJds0Svth:sEbKynNLkvP9be824uyM3tInXaF

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\54e4cf67ef383099affe0a67d2c4a8abf1fc80950c31dd2e9177a6486734dab4.exe
    "C:\Users\Admin\AppData\Local\Temp\54e4cf67ef383099affe0a67d2c4a8abf1fc80950c31dd2e9177a6486734dab4.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:5068
    • C:\Users\Admin\AppData\Local\Temp\54e4cf67ef383099affe0a67d2c4a8abf1fc80950c31dd2e9177a6486734dab4.exe
      "C:\Users\Admin\AppData\Local\Temp\54e4cf67ef383099affe0a67d2c4a8abf1fc80950c31dd2e9177a6486734dab4.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:4580

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4580-134-0x0000000000000000-mapping.dmp
  • memory/4580-135-0x0000000000400000-0x0000000000409000-memory.dmp
    Filesize

    36KB

  • memory/4580-137-0x0000000000400000-0x0000000000409000-memory.dmp
    Filesize

    36KB

  • memory/4580-138-0x0000000000400000-0x0000000000409000-memory.dmp
    Filesize

    36KB

  • memory/5068-132-0x0000000000682000-0x0000000000697000-memory.dmp
    Filesize

    84KB

  • memory/5068-133-0x0000000000030000-0x0000000000039000-memory.dmp
    Filesize

    36KB

  • memory/5068-136-0x0000000000682000-0x0000000000697000-memory.dmp
    Filesize

    84KB