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Analysis

  • max time kernel
    111s
  • max time network
    117s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/08/2024, 22:06

General

  • Target

    2a85c580c3b709fea4c0f7c469703070N.exe

  • Size

    208KB

  • MD5

    2a85c580c3b709fea4c0f7c469703070

  • SHA1

    5028450b3a79bd3d8523e976c3ef72c5d63d8323

  • SHA256

    6608c17499d7212c1c8f4450a2c6fec8627f8a0f1f7015dab5920b271696c84b

  • SHA512

    dbdb4bc070d7d92ba03990699fd5984d47e92987f1f37655301475dc3a1d8ddf7af8e99901d537fa569562f727b888e75bbcb12d405d5b4259e540c62b276ef0

  • SSDEEP

    3072:O/xUH0ywakB4VvLqOoOflq15iJiShvOX20c19P4JzVbdA45j86AT9R0uSk:O/xUgakB4VvLqzukgwc114ZVX8530j

Malware Config

Extracted

Family

smokeloader

Botnet

pub4

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Loads dropped DLL 1 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

Processes

  • C:\Users\Admin\AppData\Local\Temp\2a85c580c3b709fea4c0f7c469703070N.exe
    "C:\Users\Admin\AppData\Local\Temp\2a85c580c3b709fea4c0f7c469703070N.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Checks SCSI registry key(s)
    PID:3320
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3320 -s 380
      2⤵
      • Program crash
      PID:3752
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3320 -ip 3320
    1⤵
      PID:3608

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\CC4F.tmp

      Filesize

      1.6MB

      MD5

      4f3387277ccbd6d1f21ac5c07fe4ca68

      SHA1

      e16506f662dc92023bf82def1d621497c8ab5890

      SHA256

      767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

      SHA512

      9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

    • memory/3320-1-0x00000000006D0000-0x00000000007D0000-memory.dmp

      Filesize

      1024KB

    • memory/3320-3-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

    • memory/3320-2-0x00000000004B0000-0x00000000004B9000-memory.dmp

      Filesize

      36KB

    • memory/3320-10-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

    • memory/3320-9-0x00000000004B0000-0x00000000004B9000-memory.dmp

      Filesize

      36KB

    • memory/3320-8-0x0000000000400000-0x0000000000462000-memory.dmp

      Filesize

      392KB