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Overview

overview

10

Static

static

3

ba37370a4e...20.exe

windows7-x64

10

ba37370a4e...20.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    140s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    20/06/2024, 09:43

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General

  • Target

    ba37370a4e2c69d6125e3cb76c4b120e06c26fa9a476b13013f1a033749ae120.exe

  • Size

    400KB

  • MD5

    36641ec28d549d2b71f5b016fae295db

  • SHA1

    23262ebeb025cafd64c0c5a28c35f5f4d47a7816

  • SHA256

    ba37370a4e2c69d6125e3cb76c4b120e06c26fa9a476b13013f1a033749ae120

  • SHA512

    21f34e439d30fb7970a399f56f94d234f7e64b4c2ce56bf7c09968bbcdcd713586df2c11d9fdab2f7088d353461a7ec6e22593ed2cc9ee5f72e4f388b2e25eae

  • SSDEEP

    3072:vRK/yLrQbWaR5Qax8c/Yt5Kgm45EWWdfnaZf4Xvl4luK:vIyLEbWaR5CchE6nmCzK

Score
10/10
gh0stratrat

Malware Config

Extracted

Family

gh0strat

C2

fdsfhkjf.e3.luyouxia.net

Signatures

  • Gh0st RAT payload 2 IoCs
  • Gh0strat

    Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.

    ratgh0strat
  • Executes dropped EXE 2 IoCs
  • Enumerates connected drives 3 TTPs 22 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 2 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ba37370a4e2c69d6125e3cb76c4b120e06c26fa9a476b13013f1a033749ae120.exe
    "C:\Users\Admin\AppData\Local\Temp\ba37370a4e2c69d6125e3cb76c4b120e06c26fa9a476b13013f1a033749ae120.exe"
    1⤵
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    PID:1728
  • C:\Program Files (x86)\Ymgyccc.exe
    "C:\Program Files (x86)\Ymgyccc.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1376
    • C:\Program Files (x86)\Ymgyccc.exe
      "C:\Program Files (x86)\Ymgyccc.exe" Win7
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:2872

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files (x86)\Ymgyccc.exe
    Filesize

    400KB

    MD5

    36641ec28d549d2b71f5b016fae295db

    SHA1

    23262ebeb025cafd64c0c5a28c35f5f4d47a7816

    SHA256

    ba37370a4e2c69d6125e3cb76c4b120e06c26fa9a476b13013f1a033749ae120

    SHA512

    21f34e439d30fb7970a399f56f94d234f7e64b4c2ce56bf7c09968bbcdcd713586df2c11d9fdab2f7088d353461a7ec6e22593ed2cc9ee5f72e4f388b2e25eae

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  • memory/1728-0-0x0000000010000000-0x0000000010015000-memory.dmp

    Filesize

    84KB

    Download

  • memory/1728-15-0x0000000000400000-0x0000000000466000-memory.dmp

    Filesize

    408KB

    Download