Analysis

  • max time kernel
    118s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    18-06-2024 17:11

General

  • Target

    65e8917946a978a0b09b14d4177fa4e6e71ded6bd48ab91414fa81a1e2a519b7.xlam

  • Size

    725KB

  • MD5

    16e546a8202702091739c35484ba1cd3

  • SHA1

    8220a7fc4abe77109b3eb80ae7211997603287d3

  • SHA256

    65e8917946a978a0b09b14d4177fa4e6e71ded6bd48ab91414fa81a1e2a519b7

  • SHA512

    4711f24a6857f59a6f5643ce3043d85377a8c4645503751f7ebd3e5b690d0528a502e39bcfdc28cfa6214ea8eb09fd12b7ee6bad14d74343cf263ad22f92685d

  • SSDEEP

    12288:QhrnWHeTDAsDm6Kglg8MBJfjrQP9HYh5o2CtpB/vr+fRsNEYKDof6T5dORZDxTn/:srxCDwRMBljcP94h5o247vr+JsNEYYTU

Malware Config

Signatures

  • AgentTesla

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

  • Blocklisted process makes network request 6 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 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\65e8917946a978a0b09b14d4177fa4e6e71ded6bd48ab91414fa81a1e2a519b7.xlam
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:948
  • 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:1716
    • C:\Users\Admin\AppData\Roaming\JYF.exe
      "C:\Users\Admin\AppData\Roaming\JYF.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:2292
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Users\Admin\AppData\Roaming\JYF.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2468

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    261KB

    MD5

    d75cae38a223f6ac52018cf465ee4676

    SHA1

    b10670f1c4e9d3e1bc272af63776ca23402f7ed9

    SHA256

    a014979f92bb4ef17b8347a5824eec9cb0e7cbadc5d7fc625b882bdf23472168

    SHA512

    88e1915821cb3023e5b3859c6c27183e35114dc0227506c8ae72c2683e6e7a8138105cf280895da52d03e25171a35529a8337273c6d3ee159b043a0b32ae2292

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

    Filesize

    1.1MB

    MD5

    de09bbe1a1fc4005ec96153d253835d0

    SHA1

    584be43d5f5de5c1b474ff27df0888da2a184188

    SHA256

    9c4cb3d0d6e015b52e7aa31acac549ebd648a5ee68626379691ba7bb1b2bf2c7

    SHA512

    e4ad260d72bc4ff94dba3136276004eee3a44bc242864d2dcd40f0c6943d6c5d03da4d88f1930dfd819be0acb30c277caa31536fa445cbcf0b140677382a854b

  • memory/948-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/948-1-0x0000000072CCD000-0x0000000072CD8000-memory.dmp

    Filesize

    44KB

  • memory/948-1071-0x0000000072CCD000-0x0000000072CD8000-memory.dmp

    Filesize

    44KB

  • memory/948-1068-0x0000000072CCD000-0x0000000072CD8000-memory.dmp

    Filesize

    44KB

  • memory/2292-33-0x00000000001E0000-0x00000000001E4000-memory.dmp

    Filesize

    16KB

  • memory/2468-75-0x00000000021C0000-0x000000000220D000-memory.dmp

    Filesize

    308KB

  • memory/2468-65-0x00000000021C0000-0x000000000220D000-memory.dmp

    Filesize

    308KB

  • memory/2468-39-0x00000000021C0000-0x000000000220D000-memory.dmp

    Filesize

    308KB

  • memory/2468-45-0x00000000021C0000-0x000000000220D000-memory.dmp

    Filesize

    308KB

  • memory/2468-53-0x00000000021C0000-0x000000000220D000-memory.dmp

    Filesize

    308KB

  • memory/2468-59-0x00000000021C0000-0x000000000220D000-memory.dmp

    Filesize

    308KB

  • memory/2468-63-0x00000000021C0000-0x000000000220D000-memory.dmp

    Filesize

    308KB

  • memory/2468-69-0x00000000021C0000-0x000000000220D000-memory.dmp

    Filesize

    308KB

  • memory/2468-77-0x00000000021C0000-0x000000000220D000-memory.dmp

    Filesize

    308KB

  • memory/2468-85-0x00000000021C0000-0x000000000220D000-memory.dmp

    Filesize

    308KB

  • memory/2468-83-0x00000000021C0000-0x000000000220D000-memory.dmp

    Filesize

    308KB

  • memory/2468-81-0x00000000021C0000-0x000000000220D000-memory.dmp

    Filesize

    308KB

  • memory/2468-79-0x00000000021C0000-0x000000000220D000-memory.dmp

    Filesize

    308KB

  • memory/2468-36-0x0000000001E80000-0x0000000001ED4000-memory.dmp

    Filesize

    336KB

  • memory/2468-73-0x00000000021C0000-0x000000000220D000-memory.dmp

    Filesize

    308KB

  • memory/2468-71-0x00000000021C0000-0x000000000220D000-memory.dmp

    Filesize

    308KB

  • memory/2468-67-0x00000000021C0000-0x000000000220D000-memory.dmp

    Filesize

    308KB

  • memory/2468-37-0x00000000021C0000-0x0000000002212000-memory.dmp

    Filesize

    328KB

  • memory/2468-61-0x00000000021C0000-0x000000000220D000-memory.dmp

    Filesize

    308KB

  • memory/2468-57-0x00000000021C0000-0x000000000220D000-memory.dmp

    Filesize

    308KB

  • memory/2468-55-0x00000000021C0000-0x000000000220D000-memory.dmp

    Filesize

    308KB

  • memory/2468-51-0x00000000021C0000-0x000000000220D000-memory.dmp

    Filesize

    308KB

  • memory/2468-49-0x00000000021C0000-0x000000000220D000-memory.dmp

    Filesize

    308KB

  • memory/2468-47-0x00000000021C0000-0x000000000220D000-memory.dmp

    Filesize

    308KB

  • memory/2468-43-0x00000000021C0000-0x000000000220D000-memory.dmp

    Filesize

    308KB

  • memory/2468-41-0x00000000021C0000-0x000000000220D000-memory.dmp

    Filesize

    308KB

  • memory/2468-38-0x00000000021C0000-0x000000000220D000-memory.dmp

    Filesize

    308KB

  • memory/2468-87-0x00000000021C0000-0x000000000220D000-memory.dmp

    Filesize

    308KB

  • memory/2468-91-0x00000000021C0000-0x000000000220D000-memory.dmp

    Filesize

    308KB

  • memory/2468-98-0x00000000021C0000-0x000000000220D000-memory.dmp

    Filesize

    308KB

  • memory/2468-95-0x00000000021C0000-0x000000000220D000-memory.dmp

    Filesize

    308KB

  • memory/2468-93-0x00000000021C0000-0x000000000220D000-memory.dmp

    Filesize

    308KB

  • memory/2468-89-0x00000000021C0000-0x000000000220D000-memory.dmp

    Filesize

    308KB

  • memory/2468-34-0x0000000000400000-0x0000000000446000-memory.dmp

    Filesize

    280KB

  • memory/2468-35-0x0000000000400000-0x0000000000446000-memory.dmp

    Filesize

    280KB