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Analysis

  • max time kernel
    150s
  • max time network
    132s
  • platform
    windows10-1703_x64
  • resource
    win10-20230703-en
  • resource tags

    arch:x64arch:x86image:win10-20230703-enlocale:en-usos:windows10-1703-x64system
  • submitted
    19/08/2023, 16:42

General

  • Target

    d1ddf29cb7b488e031823aae035cba9254b80d3fd2d0327a01e0e297646170d3.exe

  • Size

    223KB

  • MD5

    067b1fdd153eef8fe783bb82763204f4

  • SHA1

    fb8e205517e8a2e5a7fe4b3bdad1f67f7c6b7755

  • SHA256

    d1ddf29cb7b488e031823aae035cba9254b80d3fd2d0327a01e0e297646170d3

  • SHA512

    d92fe694806ecb3b72fc64ed6904741dd084650629e158ffc4390f40b00c6b062b40c272db8bac94cf495b45f7f5639974669d818f1d4ce282fd91cf3131868c

  • SSDEEP

    3072:AohXtZY3NutLzLLxChRdN/yf0b/NHhAiUGu15pFBhJK7znxUq+pwlhTbJfABH/:7hXwN+LtC/yglHh8GKnh22ETb2Bf

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.

  • Deletes itself 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d1ddf29cb7b488e031823aae035cba9254b80d3fd2d0327a01e0e297646170d3.exe
    "C:\Users\Admin\AppData\Local\Temp\d1ddf29cb7b488e031823aae035cba9254b80d3fd2d0327a01e0e297646170d3.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4852
    • C:\Users\Admin\AppData\Local\Temp\d1ddf29cb7b488e031823aae035cba9254b80d3fd2d0327a01e0e297646170d3.exe
      "C:\Users\Admin\AppData\Local\Temp\d1ddf29cb7b488e031823aae035cba9254b80d3fd2d0327a01e0e297646170d3.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:4476

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/3228-122-0x0000000000C90000-0x0000000000CA6000-memory.dmp

    Filesize

    88KB

  • memory/4476-119-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/4476-121-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/4476-123-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/4852-117-0x00000000019F0000-0x0000000001A05000-memory.dmp

    Filesize

    84KB

  • memory/4852-118-0x0000000001A10000-0x0000000001A19000-memory.dmp

    Filesize

    36KB

  • memory/4852-120-0x00000000019F0000-0x0000000001A05000-memory.dmp

    Filesize

    84KB