Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/09/2022, 03:19

General

  • Target

    file.exe

  • Size

    300KB

  • MD5

    584b78ef69431b38b3118f8349b2d278

  • SHA1

    8a89c4ce82cc2f8d0ade808753cd23ab4c0ff2f5

  • SHA256

    8e11ab9affe9d5c9adce3088b154d9a4b5edeedf2ea048add9140efdf32ac4e5

  • SHA512

    c4d8159df012ca1be198f13d31f5b0d0003af09fd918db9b317c57ab385c3eddbba5faae054a0afbd58964d5ca48a2c1165082509b3129a1d2a268a9193e3420

  • SSDEEP

    3072:6FX7GtdGqb+TgL0G6WgJu9R/Wy/uySydbeTAYGOlnronqu3O0KMgYm7DHOM/h3B0:C7GXL0xWo82zln8qu3O07QOnigabwVf

Malware Config

Signatures

  • Detects Smokeloader packer 6 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Executes dropped EXE 2 IoCs
  • Suspicious use of SetThreadContext 2 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 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2540
    • C:\Users\Admin\AppData\Local\Temp\file.exe
      "C:\Users\Admin\AppData\Local\Temp\file.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:4532
  • C:\Users\Admin\AppData\Roaming\cethegf
    C:\Users\Admin\AppData\Roaming\cethegf
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1444
    • C:\Users\Admin\AppData\Roaming\cethegf
      C:\Users\Admin\AppData\Roaming\cethegf
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:1264

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    300KB

    MD5

    584b78ef69431b38b3118f8349b2d278

    SHA1

    8a89c4ce82cc2f8d0ade808753cd23ab4c0ff2f5

    SHA256

    8e11ab9affe9d5c9adce3088b154d9a4b5edeedf2ea048add9140efdf32ac4e5

    SHA512

    c4d8159df012ca1be198f13d31f5b0d0003af09fd918db9b317c57ab385c3eddbba5faae054a0afbd58964d5ca48a2c1165082509b3129a1d2a268a9193e3420

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

    Filesize

    300KB

    MD5

    584b78ef69431b38b3118f8349b2d278

    SHA1

    8a89c4ce82cc2f8d0ade808753cd23ab4c0ff2f5

    SHA256

    8e11ab9affe9d5c9adce3088b154d9a4b5edeedf2ea048add9140efdf32ac4e5

    SHA512

    c4d8159df012ca1be198f13d31f5b0d0003af09fd918db9b317c57ab385c3eddbba5faae054a0afbd58964d5ca48a2c1165082509b3129a1d2a268a9193e3420

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

    Filesize

    300KB

    MD5

    584b78ef69431b38b3118f8349b2d278

    SHA1

    8a89c4ce82cc2f8d0ade808753cd23ab4c0ff2f5

    SHA256

    8e11ab9affe9d5c9adce3088b154d9a4b5edeedf2ea048add9140efdf32ac4e5

    SHA512

    c4d8159df012ca1be198f13d31f5b0d0003af09fd918db9b317c57ab385c3eddbba5faae054a0afbd58964d5ca48a2c1165082509b3129a1d2a268a9193e3420

  • memory/1264-146-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1264-145-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1444-144-0x0000000000769000-0x0000000000779000-memory.dmp

    Filesize

    64KB

  • memory/2540-133-0x0000000000500000-0x0000000000509000-memory.dmp

    Filesize

    36KB

  • memory/2540-132-0x0000000000599000-0x00000000005AA000-memory.dmp

    Filesize

    68KB

  • memory/2540-136-0x0000000000599000-0x00000000005AA000-memory.dmp

    Filesize

    68KB

  • memory/4532-135-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/4532-138-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/4532-137-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB