Analysis

  • max time kernel
    133s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-01-2023 16:32

General

  • Target

    7049a6fef1152b63a600ca703b0af2eac4feeef42fbd49af9594dabb4cae77e1.exe

  • Size

    132KB

  • MD5

    0d73b9cdab16a887e57d222e584d654c

  • SHA1

    55255cfbbc530b05ea707d36e654cdc01520f43a

  • SHA256

    7049a6fef1152b63a600ca703b0af2eac4feeef42fbd49af9594dabb4cae77e1

  • SHA512

    8f9b68760b6b96c5662ba146a88362c2c0e549c3caa475a1daab7d40b8b50c4eb25139517a94d06b10642086f2895ed5c83b1f8d4471653982fd2f3aec4873db

  • SSDEEP

    1536:mWWTwV4fVhux1ESPj6Our9Es9CAm4Nqk6O+38dSuxVQwV4MjW:uwVUPtSPjLi19C34Nqk6O+sdSQqwV

Malware Config

Extracted

Family

guloader

C2

https://onedrive.live.com/download?cid=F57CEB019EB26E7D&resid=F57CEB019EB26E7D%21110&authkey=AM10C3aneI-BdPA

xor.base64

Signatures

  • Guloader,Cloudeye

    A shellcode based downloader first seen in 2020.

  • Guloader payload 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7049a6fef1152b63a600ca703b0af2eac4feeef42fbd49af9594dabb4cae77e1.exe
    "C:\Users\Admin\AppData\Local\Temp\7049a6fef1152b63a600ca703b0af2eac4feeef42fbd49af9594dabb4cae77e1.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    PID:4152

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/4152-134-0x00000000001C0000-0x00000000001CD000-memory.dmp
    Filesize

    52KB

  • memory/4152-135-0x00007FFBFAE70000-0x00007FFBFB065000-memory.dmp
    Filesize

    2.0MB