Analysis

  • max time kernel
    118s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    09/05/2024, 10:11

General

  • Target

    e1b3f274356e15e14aa24e3651b0097ba60c5f91a5a7c6a3884896e11224486f.xlam

  • Size

    664KB

  • MD5

    e6e804e32c278493689f6b0b95d4f78b

  • SHA1

    60ed9b94a5bd3f247b9e401196a9b1f9a41e6429

  • SHA256

    e1b3f274356e15e14aa24e3651b0097ba60c5f91a5a7c6a3884896e11224486f

  • SHA512

    4438cda3ba381f62fb7cc131e3e52049d06d3169b193b4996474c225697f22d2cebba5a97ee319def34b9fdc21ee507d09519698c13423b761feb9149fb4a659

  • SSDEEP

    12288:ltnW2oFEWBZXOy4tr0WETIfR1RN0/CSuo9dBPdcAlppBVP208:zW2ielQWCIfr0JZpdjpBNv8

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\e1b3f274356e15e14aa24e3651b0097ba60c5f91a5a7c6a3884896e11224486f.xlam
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:2980
  • 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:1132
    • C:\Users\Admin\AppData\Roaming\JKS.exe
      "C:\Users\Admin\AppData\Roaming\JKS.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:2648
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Users\Admin\AppData\Roaming\JKS.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2524

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\pyogenesis

          Filesize

          262KB

          MD5

          c37d2691b64b673b4381efb0386f4067

          SHA1

          93eaf054140b3ee7169c8d02b3074ec75e9b1d4d

          SHA256

          b424b25982db7a53242e183a042430b6c00fc0283dcf24de5b3d54af8c6a189c

          SHA512

          8faeb88b03d79e2db145ec829a9ef4055a413cda371de4be8615f1bd1a544ed67df7eacf34625f8ca79c67bd48851f23492a0e5d8ed9a92e7a9ec9ef461e807d

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

          Filesize

          1.1MB

          MD5

          1b34c3a7c7b5f64f0ab408ed803a5ab5

          SHA1

          d4041a269eca52d005eaba374c6cbafe0fc31300

          SHA256

          c2d7e4045a4e35ff3dbe6827f3b1106e1bb8d4abddab0b4ecafec5c0fd8426f4

          SHA512

          e537b40dd12169d6cef0cf42b2919034827958edc38c68f5aba8e3e26dfaeb6dbd9ad2609186e24587512af7e2c304b65caecf656edf4eb904d821abaf5398e5

        • memory/2524-39-0x0000000002000000-0x000000000204D000-memory.dmp

          Filesize

          308KB

        • memory/2524-47-0x0000000002000000-0x000000000204D000-memory.dmp

          Filesize

          308KB

        • memory/2524-63-0x0000000002000000-0x000000000204D000-memory.dmp

          Filesize

          308KB

        • memory/2524-21-0x0000000000400000-0x0000000000446000-memory.dmp

          Filesize

          280KB

        • memory/2524-20-0x0000000000400000-0x0000000000446000-memory.dmp

          Filesize

          280KB

        • memory/2524-22-0x0000000000950000-0x00000000009A4000-memory.dmp

          Filesize

          336KB

        • memory/2524-23-0x0000000002000000-0x0000000002052000-memory.dmp

          Filesize

          328KB

        • memory/2524-57-0x0000000002000000-0x000000000204D000-memory.dmp

          Filesize

          308KB

        • memory/2524-55-0x0000000002000000-0x000000000204D000-memory.dmp

          Filesize

          308KB

        • memory/2524-59-0x0000000002000000-0x000000000204D000-memory.dmp

          Filesize

          308KB

        • memory/2524-61-0x0000000002000000-0x000000000204D000-memory.dmp

          Filesize

          308KB

        • memory/2524-53-0x0000000002000000-0x000000000204D000-memory.dmp

          Filesize

          308KB

        • memory/2524-51-0x0000000002000000-0x000000000204D000-memory.dmp

          Filesize

          308KB

        • memory/2524-49-0x0000000002000000-0x000000000204D000-memory.dmp

          Filesize

          308KB

        • memory/2524-37-0x0000000002000000-0x000000000204D000-memory.dmp

          Filesize

          308KB

        • memory/2524-45-0x0000000002000000-0x000000000204D000-memory.dmp

          Filesize

          308KB

        • memory/2524-43-0x0000000002000000-0x000000000204D000-memory.dmp

          Filesize

          308KB

        • memory/2524-41-0x0000000002000000-0x000000000204D000-memory.dmp

          Filesize

          308KB

        • memory/2524-65-0x0000000002000000-0x000000000204D000-memory.dmp

          Filesize

          308KB

        • memory/2524-67-0x0000000002000000-0x000000000204D000-memory.dmp

          Filesize

          308KB

        • memory/2524-25-0x0000000002000000-0x000000000204D000-memory.dmp

          Filesize

          308KB

        • memory/2524-33-0x0000000002000000-0x000000000204D000-memory.dmp

          Filesize

          308KB

        • memory/2524-31-0x0000000002000000-0x000000000204D000-memory.dmp

          Filesize

          308KB

        • memory/2524-29-0x0000000002000000-0x000000000204D000-memory.dmp

          Filesize

          308KB

        • memory/2524-27-0x0000000002000000-0x000000000204D000-memory.dmp

          Filesize

          308KB

        • memory/2524-35-0x0000000002000000-0x000000000204D000-memory.dmp

          Filesize

          308KB

        • memory/2524-24-0x0000000002000000-0x000000000204D000-memory.dmp

          Filesize

          308KB

        • memory/2524-83-0x0000000002000000-0x000000000204D000-memory.dmp

          Filesize

          308KB

        • memory/2524-81-0x0000000002000000-0x000000000204D000-memory.dmp

          Filesize

          308KB

        • memory/2524-79-0x0000000002000000-0x000000000204D000-memory.dmp

          Filesize

          308KB

        • memory/2524-77-0x0000000002000000-0x000000000204D000-memory.dmp

          Filesize

          308KB

        • memory/2524-75-0x0000000002000000-0x000000000204D000-memory.dmp

          Filesize

          308KB

        • memory/2524-73-0x0000000002000000-0x000000000204D000-memory.dmp

          Filesize

          308KB

        • memory/2524-71-0x0000000002000000-0x000000000204D000-memory.dmp

          Filesize

          308KB

        • memory/2524-69-0x0000000002000000-0x000000000204D000-memory.dmp

          Filesize

          308KB

        • memory/2648-19-0x0000000000D20000-0x0000000000D24000-memory.dmp

          Filesize

          16KB

        • memory/2980-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

          Filesize

          64KB

        • memory/2980-1-0x0000000072B8D000-0x0000000072B98000-memory.dmp

          Filesize

          44KB

        • memory/2980-1054-0x0000000072B8D000-0x0000000072B98000-memory.dmp

          Filesize

          44KB

        • memory/2980-1057-0x0000000072B8D000-0x0000000072B98000-memory.dmp

          Filesize

          44KB