Analysis

  • max time kernel
    160s
  • max time network
    64s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    12/10/2023, 22:25

General

  • Target

    0ffab407dd3ebd93f007e24f439bbda8c8b68d50b5ba6537213608608c6f8d61exe_JC.exe

  • Size

    272KB

  • MD5

    a2b789e166d74ec2865e7a1c70233ef3

  • SHA1

    d2c57c662861fb847c08045044b30473e7d0f334

  • SHA256

    0ffab407dd3ebd93f007e24f439bbda8c8b68d50b5ba6537213608608c6f8d61

  • SHA512

    b721b0aa220f9d85bb9ed7dc122a3e8c38a1c0e40ae8fc3a8dcc3534893ee03947777609a4e9cafff18998b79fb89916bf2a624f47749c41b40061a5ff370183

  • SSDEEP

    3072:bPNnEMUvutnGAL60p4XKJBjL0GIMzEGjw2hqNJ:bNAvutnGAL60WXuB/uepg

Malware Config

Extracted

Family

smokeloader

Botnet

up3

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.

  • Deletes itself 1 IoCs
  • 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 FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 7 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\0ffab407dd3ebd93f007e24f439bbda8c8b68d50b5ba6537213608608c6f8d61exe_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\0ffab407dd3ebd93f007e24f439bbda8c8b68d50b5ba6537213608608c6f8d61exe_JC.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2456
    • C:\Users\Admin\AppData\Local\Temp\0ffab407dd3ebd93f007e24f439bbda8c8b68d50b5ba6537213608608c6f8d61exe_JC.exe
      "C:\Users\Admin\AppData\Local\Temp\0ffab407dd3ebd93f007e24f439bbda8c8b68d50b5ba6537213608608c6f8d61exe_JC.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:2912

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1264-8-0x0000000002A50000-0x0000000002A66000-memory.dmp

    Filesize

    88KB

  • memory/1264-13-0x000007FEF5DF0000-0x000007FEF5F33000-memory.dmp

    Filesize

    1.3MB

  • memory/1264-14-0x000007FE9F1A0000-0x000007FE9F1AA000-memory.dmp

    Filesize

    40KB

  • memory/2456-2-0x00000000008C0000-0x00000000009C0000-memory.dmp

    Filesize

    1024KB

  • memory/2456-4-0x0000000000220000-0x0000000000229000-memory.dmp

    Filesize

    36KB

  • memory/2912-5-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2912-1-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2912-6-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2912-7-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2912-9-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB