Analysis

  • max time kernel
    27s
  • max time network
    30s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    29-01-2023 15:54

General

  • Target

    e7043bdc05d203bb2bbe95e8eafaa1c7a9bd04dcdcef5253c9e6589d5d8a161a.exe

  • Size

    120KB

  • MD5

    a823e99dc533f459b67d8e6f38dea8e4

  • SHA1

    8c71778aaf2b30af756d0f4a090c3c21d2f443c3

  • SHA256

    e7043bdc05d203bb2bbe95e8eafaa1c7a9bd04dcdcef5253c9e6589d5d8a161a

  • SHA512

    87550e85a5773d05d9b65721221e40bfe9e1ac6280c6e3dc914496dc4e084b38ccd21d8fce2e1479d62ee03123bd231a24ebd674306b7584e837659a5ca56ced

  • SSDEEP

    1536:3mlnhLeUSc6JGmnoqg8Nq16GudN8AE2aJHaBbzOHVqevaSCGUnNBZBm5NvE4SFE:WqLHnGosAEtqeCSCGUNBZUh

Score
10/10

Malware Config

Extracted

Family

guloader

C2

https://drive.google.com/uc?export=download&id=1n1AKvYgKZOxakZvPSsJ3xlWdAHAztHu1

xor.base64

Signatures

  • Guloader,Cloudeye

    A shellcode based downloader first seen in 2020.

  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e7043bdc05d203bb2bbe95e8eafaa1c7a9bd04dcdcef5253c9e6589d5d8a161a.exe
    "C:\Users\Admin\AppData\Local\Temp\e7043bdc05d203bb2bbe95e8eafaa1c7a9bd04dcdcef5253c9e6589d5d8a161a.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    PID:2020

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2020-56-0x0000000000270000-0x000000000027C000-memory.dmp

    Filesize

    48KB

  • memory/2020-57-0x0000000076D70000-0x0000000076F19000-memory.dmp

    Filesize

    1.7MB