Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    27-01-2024 05:19

General

  • Target

    5b49aff6fd63d3b47a42af95b2ab6233.exe

  • Size

    718KB

  • MD5

    5b49aff6fd63d3b47a42af95b2ab6233

  • SHA1

    7c8eb1f7cc5f7e4fa9bec036261ccdb04be3e34b

  • SHA256

    8f77873bce69f4dfa664af8aa6204f9b5a54bbedbb00665fc60e29791d4f3539

  • SHA512

    b388ae83fc7745c14d32f060dbf519a170592d986ca599f6b84719419e0c8209eebad89546702fd586ce4b75ea0318241ccb51fe4b3578c3924caf4d7f95ec33

  • SSDEEP

    12288:s3QCUOkr6NDTpQ+pRyc/djugCbkNA7DKTO68jSgBCR0kFMh:jfwQQRHFjkINAEJ8WgBOFMh

Malware Config

Signatures

  • Detect ZGRat V1 6 IoCs
  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine payload 5 IoCs
  • ZGRat

    ZGRat is remote access trojan written in C#.

  • Drops startup file 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5b49aff6fd63d3b47a42af95b2ab6233.exe
    "C:\Users\Admin\AppData\Local\Temp\5b49aff6fd63d3b47a42af95b2ab6233.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2932
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
      • Drops startup file
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1948
      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\qemu-ga.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\qemu-ga.exe"
        3⤵
        • Executes dropped EXE
        PID:1740

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\qemu-ga.exe

    Filesize

    4KB

    MD5

    a5ce3aba68bdb438e98b1d0c70a3d95c

    SHA1

    013f5aa9057bf0b3c0c24824de9d075434501354

    SHA256

    9b860be98a046ea97a7f67b006e0b1bc9ab7731dd2a0f3a9fd3d710f6c43278a

    SHA512

    7446f1256873b51a59b9d2d3498cef5a41dbce55864c2a5fb8cb7d25f7d6e6d8ea249d551a45b75d99b1ad0d6fb4b5e4544e5ca77bcd627717d6598b5f566a79

  • memory/1740-29-0x000007FEF61C0000-0x000007FEF6BAC000-memory.dmp

    Filesize

    9.9MB

  • memory/1740-28-0x000007FEF61C0000-0x000007FEF6BAC000-memory.dmp

    Filesize

    9.9MB

  • memory/1740-27-0x0000000000D80000-0x0000000000D88000-memory.dmp

    Filesize

    32KB

  • memory/1948-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1948-8-0x0000000000400000-0x000000000048C000-memory.dmp

    Filesize

    560KB

  • memory/1948-9-0x0000000000400000-0x000000000048C000-memory.dmp

    Filesize

    560KB

  • memory/1948-10-0x0000000000400000-0x000000000048C000-memory.dmp

    Filesize

    560KB

  • memory/1948-14-0x0000000000400000-0x000000000048C000-memory.dmp

    Filesize

    560KB

  • memory/1948-17-0x0000000000400000-0x000000000048C000-memory.dmp

    Filesize

    560KB

  • memory/1948-19-0x0000000000400000-0x000000000048C000-memory.dmp

    Filesize

    560KB

  • memory/1948-6-0x0000000000400000-0x000000000048C000-memory.dmp

    Filesize

    560KB

  • memory/2932-0-0x0000000001040000-0x00000000010FA000-memory.dmp

    Filesize

    744KB

  • memory/2932-20-0x0000000074E10000-0x00000000754FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2932-5-0x0000000002500000-0x0000000004500000-memory.dmp

    Filesize

    32.0MB

  • memory/2932-2-0x0000000000E50000-0x0000000000E90000-memory.dmp

    Filesize

    256KB

  • memory/2932-1-0x0000000074E10000-0x00000000754FE000-memory.dmp

    Filesize

    6.9MB