Analysis

  • max time kernel
    150s
  • max time network
    35s
  • platform
    windows7_x64
  • resource
    win7-20230705-en
  • resource tags

    arch:x64arch:x86image:win7-20230705-enlocale:en-usos:windows7-x64system
  • submitted
    09-07-2023 16:03

General

  • Target

    76d53f3883e30802c2411a12e.exe

  • Size

    233KB

  • MD5

    98e71a0d9b3d1c9c2e75f248129174bd

  • SHA1

    1ce86ee6f5f3dc7fc475a713f08df849f01705ac

  • SHA256

    76d53f3883e30802c2411a12e3ff46dfccac84c1e83c630fcf37236e585f883c

  • SHA512

    82b2e6a9526c20701f01efe2644eb56f0e2c157114c5ee257787cd384faa01ee06afbb793fd0e5d204e35f10a1381acab943d2f65970680b8845c936cd66bd23

  • SSDEEP

    3072:KG4Iaf3ETBK3cxDLUKuFz2P0E5Q7p87vD7TBrq/4:gjEECoKuh2MUQ7+

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

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 WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\76d53f3883e30802c2411a12e.exe
    "C:\Users\Admin\AppData\Local\Temp\76d53f3883e30802c2411a12e.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1476
    • C:\Users\Admin\AppData\Local\Temp\76d53f3883e30802c2411a12e.exe
      "C:\Users\Admin\AppData\Local\Temp\76d53f3883e30802c2411a12e.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:2180

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1200-59-0x00000000029A0000-0x00000000029B6000-memory.dmp

    Filesize

    88KB

  • memory/1476-57-0x0000000000220000-0x0000000000229000-memory.dmp

    Filesize

    36KB

  • memory/2180-55-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2180-56-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2180-58-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2180-60-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB