Analysis

  • max time kernel
    150s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-12-2022 21:09

General

  • Target

    file.exe

  • Size

    214KB

  • MD5

    6e8036173acfac66de0833cf127a6b6a

  • SHA1

    cd5194abce1de207051104170038c1df8ad2b137

  • SHA256

    1851a40d7e7dd5477531abc09ee602521b4b5439521ebd57240820629024c85f

  • SHA512

    b7d5fd42226d81a0f335175b6cdf7ffb4e48c305201b99a34bb343ebaed2b6c9c6a3574be66fe95e7957e84e4f4d9086d4bf14113c78e21a6ff8668293558bb6

  • SSDEEP

    3072:f/Qr3pL/xrSbRVZJQML+gm1EDVdP3zAmLC1izvx4tUwELszoXgb940zwUzQRKF+:H8pL/xgST1EDTlxhgzoXgp40M2b

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:2268
    • 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:4236
  • C:\Users\Admin\AppData\Roaming\vfeceiw
    C:\Users\Admin\AppData\Roaming\vfeceiw
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4424
    • C:\Users\Admin\AppData\Roaming\vfeceiw
      C:\Users\Admin\AppData\Roaming\vfeceiw
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:1392

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    214KB

    MD5

    6e8036173acfac66de0833cf127a6b6a

    SHA1

    cd5194abce1de207051104170038c1df8ad2b137

    SHA256

    1851a40d7e7dd5477531abc09ee602521b4b5439521ebd57240820629024c85f

    SHA512

    b7d5fd42226d81a0f335175b6cdf7ffb4e48c305201b99a34bb343ebaed2b6c9c6a3574be66fe95e7957e84e4f4d9086d4bf14113c78e21a6ff8668293558bb6

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

    Filesize

    214KB

    MD5

    6e8036173acfac66de0833cf127a6b6a

    SHA1

    cd5194abce1de207051104170038c1df8ad2b137

    SHA256

    1851a40d7e7dd5477531abc09ee602521b4b5439521ebd57240820629024c85f

    SHA512

    b7d5fd42226d81a0f335175b6cdf7ffb4e48c305201b99a34bb343ebaed2b6c9c6a3574be66fe95e7957e84e4f4d9086d4bf14113c78e21a6ff8668293558bb6

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

    Filesize

    214KB

    MD5

    6e8036173acfac66de0833cf127a6b6a

    SHA1

    cd5194abce1de207051104170038c1df8ad2b137

    SHA256

    1851a40d7e7dd5477531abc09ee602521b4b5439521ebd57240820629024c85f

    SHA512

    b7d5fd42226d81a0f335175b6cdf7ffb4e48c305201b99a34bb343ebaed2b6c9c6a3574be66fe95e7957e84e4f4d9086d4bf14113c78e21a6ff8668293558bb6

  • memory/1392-140-0x0000000000000000-mapping.dmp

  • memory/1392-144-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1392-145-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2268-135-0x00000000001F0000-0x00000000001F9000-memory.dmp

    Filesize

    36KB

  • memory/2268-134-0x0000000000653000-0x0000000000664000-memory.dmp

    Filesize

    68KB

  • memory/4236-136-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/4236-137-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/4236-133-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/4236-132-0x0000000000000000-mapping.dmp

  • memory/4424-143-0x0000000000643000-0x0000000000654000-memory.dmp

    Filesize

    68KB