Analysis

  • max time kernel
    150s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    12-10-2023 11:48

General

  • Target

    0f65a5317331c174d6552f48a689cdc40a5483c89ff883687746bbf734c49066.exe

  • Size

    265KB

  • MD5

    47bcec57fb220004f65bf73149a7bb4b

  • SHA1

    0e2b3ef892f42868c651e6f018d45d3af3aa3b0d

  • SHA256

    0f65a5317331c174d6552f48a689cdc40a5483c89ff883687746bbf734c49066

  • SHA512

    19c3cc0d8c67aaa7c53034ff6c8c2349f9f8507815fa37a1b186fea91a6e55782e9e6bbee8138b9a23210b1dbeab8d3bb215f072592f31940f5220f57e9a90b5

  • SSDEEP

    3072:T+Xj4+XBaPDFG+SFqWBH95/1OR0jUjZBpH4+:CHBODFGFnr1OUUlBpH

Malware Config

Extracted

Family

smokeloader

Botnet

up4

Extracted

Family

smokeloader

Version

2020

C2

http://host-file-file0.com/

http://file-file-file1.com/

rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Modifies Installed Components in the registry 2 TTPs 1 IoCs
  • 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.

  • Modifies registry class 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 12 IoCs
  • Suspicious use of FindShellTrayWindow 29 IoCs
  • Suspicious use of SendNotifyMessage 22 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\0f65a5317331c174d6552f48a689cdc40a5483c89ff883687746bbf734c49066.exe
    "C:\Users\Admin\AppData\Local\Temp\0f65a5317331c174d6552f48a689cdc40a5483c89ff883687746bbf734c49066.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1612
    • C:\Users\Admin\AppData\Local\Temp\0f65a5317331c174d6552f48a689cdc40a5483c89ff883687746bbf734c49066.exe
      "C:\Users\Admin\AppData\Local\Temp\0f65a5317331c174d6552f48a689cdc40a5483c89ff883687746bbf734c49066.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:2292
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Modifies Installed Components in the registry
    • Modifies registry class
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:2904

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1192-7-0x0000000002AC0000-0x0000000002AD6000-memory.dmp

    Filesize

    88KB

  • memory/1192-16-0x0000000002A90000-0x0000000002A91000-memory.dmp

    Filesize

    4KB

  • memory/1612-1-0x00000000007D0000-0x00000000008D0000-memory.dmp

    Filesize

    1024KB

  • memory/1612-2-0x0000000000220000-0x0000000000229000-memory.dmp

    Filesize

    36KB

  • memory/2292-3-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2292-5-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2292-6-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2292-8-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2904-19-0x0000000004370000-0x0000000004371000-memory.dmp

    Filesize

    4KB

  • memory/2904-20-0x0000000004370000-0x0000000004371000-memory.dmp

    Filesize

    4KB

  • memory/2904-24-0x0000000002720000-0x0000000002730000-memory.dmp

    Filesize

    64KB