Analysis

  • max time kernel
    208s
  • max time network
    212s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/05/2023, 21:01

General

  • Target

    252b98305d0ee7fa69a6548f916070f31282c2fed36b2de6897acbedcf9985c1.exe

  • Size

    239KB

  • MD5

    df64189baf857d5a2825459f015db11d

  • SHA1

    837b43adeb5121fda2b1ce1f6fd97c484a112ec4

  • SHA256

    252b98305d0ee7fa69a6548f916070f31282c2fed36b2de6897acbedcf9985c1

  • SHA512

    b906d2674c703e314691a3039c635ef33552a6a4ce274f03e0b341ca1f94bd812ec275448b57d9a3210bc8731f10ec47462036fd3c695b5d4c34eafb421340b9

  • SSDEEP

    3072:k9rQmniLasjwG5qARdp1XGv6YvkHKn2Au0MgkOSr7NvaLkDDR1e/QqqEUL:mVtuP5DRdfWNvvmEkr7NvaLWDWQ6

Malware Config

Extracted

Family

smokeloader

Botnet

pu10

Extracted

Family

smokeloader

Version

2020

C2

http://host-file-host6.com/

http://host-host-file8.com/

rc4.i32
rc4.i32

Signatures

  • 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 AdjustPrivilegeToken 8 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\252b98305d0ee7fa69a6548f916070f31282c2fed36b2de6897acbedcf9985c1.exe
    "C:\Users\Admin\AppData\Local\Temp\252b98305d0ee7fa69a6548f916070f31282c2fed36b2de6897acbedcf9985c1.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2192
    • C:\Users\Admin\AppData\Local\Temp\252b98305d0ee7fa69a6548f916070f31282c2fed36b2de6897acbedcf9985c1.exe
      "C:\Users\Admin\AppData\Local\Temp\252b98305d0ee7fa69a6548f916070f31282c2fed36b2de6897acbedcf9985c1.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:2116

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2116-134-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2116-136-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2116-138-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2192-135-0x00000000001F0000-0x00000000001F9000-memory.dmp

    Filesize

    36KB

  • memory/3176-160-0x0000000001470000-0x0000000001480000-memory.dmp

    Filesize

    64KB

  • memory/3176-145-0x0000000001470000-0x0000000001480000-memory.dmp

    Filesize

    64KB

  • memory/3176-146-0x0000000001470000-0x0000000001480000-memory.dmp

    Filesize

    64KB

  • memory/3176-147-0x0000000001470000-0x0000000001480000-memory.dmp

    Filesize

    64KB

  • memory/3176-148-0x0000000001470000-0x0000000001480000-memory.dmp

    Filesize

    64KB

  • memory/3176-149-0x0000000001470000-0x0000000001480000-memory.dmp

    Filesize

    64KB

  • memory/3176-150-0x0000000001470000-0x0000000001480000-memory.dmp

    Filesize

    64KB

  • memory/3176-151-0x0000000001470000-0x0000000001480000-memory.dmp

    Filesize

    64KB

  • memory/3176-152-0x0000000001470000-0x0000000001480000-memory.dmp

    Filesize

    64KB

  • memory/3176-153-0x0000000001470000-0x0000000001480000-memory.dmp

    Filesize

    64KB

  • memory/3176-154-0x0000000001470000-0x0000000001480000-memory.dmp

    Filesize

    64KB

  • memory/3176-155-0x0000000001470000-0x0000000001480000-memory.dmp

    Filesize

    64KB

  • memory/3176-156-0x0000000001470000-0x0000000001480000-memory.dmp

    Filesize

    64KB

  • memory/3176-157-0x0000000001470000-0x0000000001480000-memory.dmp

    Filesize

    64KB

  • memory/3176-158-0x0000000001470000-0x0000000001480000-memory.dmp

    Filesize

    64KB

  • memory/3176-159-0x0000000001470000-0x0000000001480000-memory.dmp

    Filesize

    64KB

  • memory/3176-161-0x0000000008520000-0x0000000008530000-memory.dmp

    Filesize

    64KB

  • memory/3176-137-0x0000000001490000-0x00000000014A6000-memory.dmp

    Filesize

    88KB

  • memory/3176-172-0x0000000001470000-0x0000000001480000-memory.dmp

    Filesize

    64KB

  • memory/3176-163-0x0000000001470000-0x0000000001480000-memory.dmp

    Filesize

    64KB

  • memory/3176-164-0x0000000003300000-0x0000000003302000-memory.dmp

    Filesize

    8KB

  • memory/3176-165-0x0000000001470000-0x0000000001480000-memory.dmp

    Filesize

    64KB

  • memory/3176-166-0x0000000001470000-0x0000000001480000-memory.dmp

    Filesize

    64KB

  • memory/3176-167-0x0000000001470000-0x0000000001480000-memory.dmp

    Filesize

    64KB

  • memory/3176-168-0x0000000001470000-0x0000000001480000-memory.dmp

    Filesize

    64KB

  • memory/3176-169-0x0000000001470000-0x0000000001480000-memory.dmp

    Filesize

    64KB

  • memory/3176-171-0x0000000001470000-0x0000000001480000-memory.dmp

    Filesize

    64KB

  • memory/3176-170-0x0000000001470000-0x0000000001480000-memory.dmp

    Filesize

    64KB

  • memory/3176-162-0x0000000001470000-0x0000000001480000-memory.dmp

    Filesize

    64KB

  • memory/3176-173-0x0000000001470000-0x0000000001480000-memory.dmp

    Filesize

    64KB

  • memory/3176-174-0x0000000001470000-0x0000000001480000-memory.dmp

    Filesize

    64KB

  • memory/3176-175-0x0000000001470000-0x0000000001480000-memory.dmp

    Filesize

    64KB

  • memory/3176-176-0x0000000001470000-0x0000000001480000-memory.dmp

    Filesize

    64KB

  • memory/3176-178-0x0000000001470000-0x0000000001480000-memory.dmp

    Filesize

    64KB

  • memory/3176-177-0x0000000001470000-0x0000000001480000-memory.dmp

    Filesize

    64KB

  • memory/3176-179-0x0000000003300000-0x0000000003302000-memory.dmp

    Filesize

    8KB