Analysis

  • max time kernel
    148s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    05-12-2022 07:01

General

  • Target

    eda27b862bf988a2336e85d90b80b9e5f6550341b8eca61e0b971bf7cbaf20ba.exe

  • Size

    898KB

  • MD5

    40fa9a44c3d4a3894bcfaeb6e68ad812

  • SHA1

    ccec185a58245811bf7c7a2def94b5f37bc71ef9

  • SHA256

    eda27b862bf988a2336e85d90b80b9e5f6550341b8eca61e0b971bf7cbaf20ba

  • SHA512

    02a9b5ca6175ad6c0c97274e185bde8f9cf1be257baf8dab5fbc4e81c9d5f8b48522d4b38177fc25be22d0bb7df1f136e0108b50f31eef65685b76e9d2a2dd02

  • SSDEEP

    12288:28plQhHVWj7aBX+TLBhAuwf48ZujbT1lq8ENSKrPi81gPYwrkt+YrxWmRpfkyq:Rq2XXTLBuuKUT1VKra81Mrrkt+0x1pW

Malware Config

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.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\eda27b862bf988a2336e85d90b80b9e5f6550341b8eca61e0b971bf7cbaf20ba.exe
    "C:\Users\Admin\AppData\Local\Temp\eda27b862bf988a2336e85d90b80b9e5f6550341b8eca61e0b971bf7cbaf20ba.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1632
    • C:\·þÎñ¶Ë.exe
      "C:\·þÎñ¶Ë.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:1272
      • C:\Windows\SysWOW64\REG.exe
        REG ADD HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v Zeng /d "C:\Zeng.exe" /f
        3⤵
        • Adds Run key to start application
        PID:2024
    • C:\×Ô¶¯ÊÕ»õV4.2.exe
      "C:\×Ô¶¯ÊÕ»õV4.2.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:1732

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\·þÎñ¶Ë.exe

    Filesize

    4.2MB

    MD5

    e268162762e76498c6b5bf61ccd354d7

    SHA1

    4f5965f81ff49ab8eb3e68ab50a18c118d43a185

    SHA256

    5c0b24fd9dada4064792411dbb2a9086e9c0a699ee087113bc2284b6cb03df07

    SHA512

    7908ba543cb1b5332dd199c29cd64252559a26706955d3d561bb2f0c834d7eef8b2998ab4cc85c489039a6a4646acd0c5524e028eca8ae31aacc29604149e391

  • C:\·þÎñ¶Ë.exe

    Filesize

    4.2MB

    MD5

    e268162762e76498c6b5bf61ccd354d7

    SHA1

    4f5965f81ff49ab8eb3e68ab50a18c118d43a185

    SHA256

    5c0b24fd9dada4064792411dbb2a9086e9c0a699ee087113bc2284b6cb03df07

    SHA512

    7908ba543cb1b5332dd199c29cd64252559a26706955d3d561bb2f0c834d7eef8b2998ab4cc85c489039a6a4646acd0c5524e028eca8ae31aacc29604149e391

  • C:\×Ô¶¯ÊÕ»õV4.2.exe

    Filesize

    2.6MB

    MD5

    ea876590fdca0140fcc0ce41ed1a0e85

    SHA1

    89ba3d800ac5f1e0b3249e04c16431b50b6b4c31

    SHA256

    77b435c34300d4d387bc0b02b108fa70d421a22e9fa37ae6e705c1edb9430e38

    SHA512

    bcda1b9c0c56fa5e4768061b8200a481cbbd5682d92e45f74d5ffd25693060cf6c7bd0de1f7baf1db05b988078eba7ffaf27fadb3d045a2c878f3faa7fc9d975

  • C:\×Ô¶¯ÊÕ»õV4.2.exe

    Filesize

    2.6MB

    MD5

    ea876590fdca0140fcc0ce41ed1a0e85

    SHA1

    89ba3d800ac5f1e0b3249e04c16431b50b6b4c31

    SHA256

    77b435c34300d4d387bc0b02b108fa70d421a22e9fa37ae6e705c1edb9430e38

    SHA512

    bcda1b9c0c56fa5e4768061b8200a481cbbd5682d92e45f74d5ffd25693060cf6c7bd0de1f7baf1db05b988078eba7ffaf27fadb3d045a2c878f3faa7fc9d975

  • \Users\Admin\AppData\Roaming\qmacro\qdisp.dll

    Filesize

    41KB

    MD5

    a20de3836893f50f73c61ec0a2e45ad7

    SHA1

    eee63ff2190d6e2ed3eb4041c51075b4ed961c88

    SHA256

    2bcdf199d79f40191ba92513021f99390a8e07abdb151975e5df739b46d97473

    SHA512

    cab618b4b07bbdc36e5b679da9afa2d9e3f5ebdfef11c10e461dc9a588db2cabf1589ce10898dae8a9a12a0b5f571a6dffeb4faff504ea31eed9eba0c6b76f40

  • \Users\Admin\AppData\Roaming\qmacro\qdisp.dll

    Filesize

    41KB

    MD5

    a20de3836893f50f73c61ec0a2e45ad7

    SHA1

    eee63ff2190d6e2ed3eb4041c51075b4ed961c88

    SHA256

    2bcdf199d79f40191ba92513021f99390a8e07abdb151975e5df739b46d97473

    SHA512

    cab618b4b07bbdc36e5b679da9afa2d9e3f5ebdfef11c10e461dc9a588db2cabf1589ce10898dae8a9a12a0b5f571a6dffeb4faff504ea31eed9eba0c6b76f40

  • memory/1632-54-0x0000000076BA1000-0x0000000076BA3000-memory.dmp

    Filesize

    8KB

  • memory/1732-67-0x00000000007F1000-0x00000000007F6000-memory.dmp

    Filesize

    20KB