Overview

overview

10

Static

static

3

7615c8734f...1e.exe

windows7-x64

10

7615c8734f...1e.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    112s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    11/06/2024, 23:39

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General

  • Target

    7615c8734fc70c59c48fefdceb1930ca73b182e97537e8d451d4f49a3c65e31e.exe

  • Size

    76KB

  • MD5

    825c02728dc61ce6dfda719f5e8575d9

  • SHA1

    7565a5ff108255eae5107973d8f27edeaa7761c8

  • SHA256

    7615c8734fc70c59c48fefdceb1930ca73b182e97537e8d451d4f49a3c65e31e

  • SHA512

    acf7f42c6ba77a620f14b17d1710bf3c3604e271e42c9c13a26c970b617c9b4bea94957f0482979a7861f64e3542c1cb6e57560ac718b6e73ad5e630bb099854

  • SSDEEP

    768:weIrCaOEjR9z+xOF4/i/BEYkp7P6lweQDhDmpU5GFrrEzWsdSE0d8pUHIkI0IUL:wLrjSxO+2G40OIkaUL

Score
10/10
evasionpersistence

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
    evasion
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7615c8734fc70c59c48fefdceb1930ca73b182e97537e8d451d4f49a3c65e31e.exe
    "C:\Users\Admin\AppData\Local\Temp\7615c8734fc70c59c48fefdceb1930ca73b182e97537e8d451d4f49a3c65e31e.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2088
    • C:\Users\Admin\jiubos.exe
      "C:\Users\Admin\jiubos.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:2528

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\jiubos.exe
    Filesize

    76KB

    MD5

    73247e44b482b88c8796fb290731b608

    SHA1

    3efc9ceed8b8cfe9145647b61dc539088cc2b44b

    SHA256

    04df97af5af9c6f3ede21cb5efe058d0f2d6b409c26298777b1dd083e54d242a

    SHA512

    e4a3fda65ad652a80f977201b645c9282a3f80286bbebaf51338f2b158674c2e54b892a6cadb9b1a99c2f7205c4b7460d41e94ccc3e55c2636239bd4974f3b33

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