Analysis

  • max time kernel
    118s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    05/08/2023, 11:58

General

  • Target

    5f01c5f1f3fcf770ba41f23d251bb1ad40fbb537661d4516674d3abb63774e3b.exe

  • Size

    108KB

  • MD5

    a15007ab4ce4561cfe6964390ebc51e3

  • SHA1

    d9918a5eab5401a31262852ff20af66e98925389

  • SHA256

    5f01c5f1f3fcf770ba41f23d251bb1ad40fbb537661d4516674d3abb63774e3b

  • SHA512

    6092f4b3c3d68cd2565a212cedad3e7a5b4a0fb9aff01267c9bb85ebf248c4924e9fe4974e2e9062d4c325ebecb830b97d5bf37f7ee9c893f9a7425cbed03757

  • SSDEEP

    1536:TPDg2HUAJO69D2lKROYxTiBlzB6PPR25Lnr:h0AJO69D2lKoMTelzB6hY

Score
10/10

Malware Config

Extracted

Family

guloader

C2

http://hosseinsoltani.ir/legacy_hwYFIzpwb106.bin

xor.base64

Signatures

  • Guloader,Cloudeye

    A shellcode based downloader first seen in 2020.

  • Checks QEMU agent state file 2 TTPs 1 IoCs

    Checks state file used by QEMU agent, possibly to detect virtualization.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5f01c5f1f3fcf770ba41f23d251bb1ad40fbb537661d4516674d3abb63774e3b.exe
    "C:\Users\Admin\AppData\Local\Temp\5f01c5f1f3fcf770ba41f23d251bb1ad40fbb537661d4516674d3abb63774e3b.exe"
    1⤵
    • Checks QEMU agent state file
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetWindowsHookEx
    PID:2632

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/2632-55-0x0000000000250000-0x000000000025D000-memory.dmp

          Filesize

          52KB

        • memory/2632-56-0x0000000076D40000-0x0000000076EE9000-memory.dmp

          Filesize

          1.7MB

        • memory/2632-57-0x0000000076F30000-0x0000000077006000-memory.dmp

          Filesize

          856KB

        • memory/2632-58-0x0000000000250000-0x000000000025D000-memory.dmp

          Filesize

          52KB