Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    09-05-2024 06:23

General

  • Target

    Arba Outstanding Statement.xlam

  • Size

    640KB

  • MD5

    131844fd7418fbf55ca4926d1befee15

  • SHA1

    3a28e0ea39bf4ab20eaddf9d556b384140c49328

  • SHA256

    f780667dfa96e07a53933e96e8dc5a985517c3cadb699bf45f656d0ed1dcb3a6

  • SHA512

    6e0d9ad4e5c463a9085c0d434e2b81307188f9f44d36f4d6b3d49f10e84a8b413abb613c7eec3df6cf5ae83de529414020b6a3559507590a7ffe449e1dec5a17

  • SSDEEP

    12288:SanWgfLpjAceE/4qs3otznIyVImP0JwhnMqqyDx2huE6+oLOpAo0lmZs:XUE/g29ImikJA16+p90lmZs

Malware Config

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • Detect ZGRat V1 33 IoCs
  • ZGRat

    ZGRat is remote access trojan written in C#.

  • Blocklisted process makes network request 1 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

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

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

  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Launches Equation Editor 1 TTPs 1 IoCs

    Equation Editor is an old Office component often targeted by exploits such as CVE-2017-11882.

  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde "C:\Users\Admin\AppData\Local\Temp\Arba Outstanding Statement.xlam"
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:2992
  • C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE
    "C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding
    1⤵
    • Blocklisted process makes network request
    • Loads dropped DLL
    • Launches Equation Editor
    • Suspicious use of WriteProcessMemory
    PID:2484
    • C:\Users\Admin\AppData\Roaming\HJF.exe
      "C:\Users\Admin\AppData\Roaming\HJF.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2816
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Users\Admin\AppData\Roaming\HJF.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2404

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Roaming\HJF.exe

    Filesize

    1.1MB

    MD5

    07da191aaf1694030851e095ae5fe747

    SHA1

    23761afda1ff5dcdf996c8d50993c0060a4ce09d

    SHA256

    a1cf662c445e81ec27bf49d85200cc1142ef655d4a80326e7940c5f9944569ca

    SHA512

    7b54adb7a047fc4a85243936c0cfda6acc81292f2a249550bd70fae8771558e54a976acf1d7770b6980f1cb11c41253ec99cef5c3c093c57d76151797d7c84f8

  • memory/2404-47-0x0000000002230000-0x000000000227D000-memory.dmp

    Filesize

    308KB

  • memory/2404-77-0x0000000002230000-0x000000000227D000-memory.dmp

    Filesize

    308KB

  • memory/2404-18-0x0000000000400000-0x0000000000446000-memory.dmp

    Filesize

    280KB

  • memory/2404-19-0x0000000000400000-0x0000000000446000-memory.dmp

    Filesize

    280KB

  • memory/2404-20-0x0000000002150000-0x00000000021A4000-memory.dmp

    Filesize

    336KB

  • memory/2404-21-0x0000000002230000-0x0000000002282000-memory.dmp

    Filesize

    328KB

  • memory/2404-23-0x0000000002230000-0x000000000227D000-memory.dmp

    Filesize

    308KB

  • memory/2404-33-0x0000000002230000-0x000000000227D000-memory.dmp

    Filesize

    308KB

  • memory/2404-51-0x0000000002230000-0x000000000227D000-memory.dmp

    Filesize

    308KB

  • memory/2404-61-0x0000000002230000-0x000000000227D000-memory.dmp

    Filesize

    308KB

  • memory/2404-63-0x0000000002230000-0x000000000227D000-memory.dmp

    Filesize

    308KB

  • memory/2404-59-0x0000000002230000-0x000000000227D000-memory.dmp

    Filesize

    308KB

  • memory/2404-81-0x0000000002230000-0x000000000227D000-memory.dmp

    Filesize

    308KB

  • memory/2404-45-0x0000000002230000-0x000000000227D000-memory.dmp

    Filesize

    308KB

  • memory/2404-69-0x0000000002230000-0x000000000227D000-memory.dmp

    Filesize

    308KB

  • memory/2404-57-0x0000000002230000-0x000000000227D000-memory.dmp

    Filesize

    308KB

  • memory/2404-55-0x0000000002230000-0x000000000227D000-memory.dmp

    Filesize

    308KB

  • memory/2404-53-0x0000000002230000-0x000000000227D000-memory.dmp

    Filesize

    308KB

  • memory/2404-49-0x0000000002230000-0x000000000227D000-memory.dmp

    Filesize

    308KB

  • memory/2404-65-0x0000000002230000-0x000000000227D000-memory.dmp

    Filesize

    308KB

  • memory/2404-73-0x0000000002230000-0x000000000227D000-memory.dmp

    Filesize

    308KB

  • memory/2404-43-0x0000000002230000-0x000000000227D000-memory.dmp

    Filesize

    308KB

  • memory/2404-41-0x0000000002230000-0x000000000227D000-memory.dmp

    Filesize

    308KB

  • memory/2404-39-0x0000000002230000-0x000000000227D000-memory.dmp

    Filesize

    308KB

  • memory/2404-37-0x0000000002230000-0x000000000227D000-memory.dmp

    Filesize

    308KB

  • memory/2404-35-0x0000000002230000-0x000000000227D000-memory.dmp

    Filesize

    308KB

  • memory/2404-31-0x0000000002230000-0x000000000227D000-memory.dmp

    Filesize

    308KB

  • memory/2404-29-0x0000000002230000-0x000000000227D000-memory.dmp

    Filesize

    308KB

  • memory/2404-27-0x0000000002230000-0x000000000227D000-memory.dmp

    Filesize

    308KB

  • memory/2404-25-0x0000000002230000-0x000000000227D000-memory.dmp

    Filesize

    308KB

  • memory/2404-22-0x0000000002230000-0x000000000227D000-memory.dmp

    Filesize

    308KB

  • memory/2404-67-0x0000000002230000-0x000000000227D000-memory.dmp

    Filesize

    308KB

  • memory/2404-79-0x0000000002230000-0x000000000227D000-memory.dmp

    Filesize

    308KB

  • memory/2404-71-0x0000000002230000-0x000000000227D000-memory.dmp

    Filesize

    308KB

  • memory/2404-75-0x0000000002230000-0x000000000227D000-memory.dmp

    Filesize

    308KB

  • memory/2992-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2992-1-0x000000007269D000-0x00000000726A8000-memory.dmp

    Filesize

    44KB

  • memory/2992-1052-0x000000007269D000-0x00000000726A8000-memory.dmp

    Filesize

    44KB

  • memory/2992-1055-0x000000007269D000-0x00000000726A8000-memory.dmp

    Filesize

    44KB