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Analysis

  • max time kernel
    122s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    02/10/2024, 14:22

General

  • Target

    PO-A1702108.exe

  • Size

    1.2MB

  • MD5

    8769dc79d45b0ebbf8472326a073bf78

  • SHA1

    55e26136eafdfa41b64c7cc9ce4034745391abbe

  • SHA256

    0f29f9bc5ceb4045626862436a2a03310df879e32bb78b20fc1fa83d0fc673b4

  • SHA512

    5275d650064c66a33015224220f806168dc7a10a1a3624b829c90b948eae855fb6e3a2ce115558069f1396a177e97cfed50a836b0deffff1049bc30238ebee6b

  • SSDEEP

    24576:ffmMv6Ckr7Mny5QLmhz9B5SjlW16dpUzl351mvQshOFLT:f3v+7/5QLm19BglN4sEFLT

Malware Config

Signatures

  • AgentTesla

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

  • Drops startup file 1 IoCs
  • 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).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO-A1702108.exe
    "C:\Users\Admin\AppData\Local\Temp\PO-A1702108.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2360
    • C:\Users\Admin\AppData\Local\eupolyzoan\Prober.exe
      "C:\Users\Admin\AppData\Local\Temp\PO-A1702108.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:2652
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Users\Admin\AppData\Local\Temp\PO-A1702108.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:936

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Local\eupolyzoan\Prober.exe

    Filesize

    1.2MB

    MD5

    8769dc79d45b0ebbf8472326a073bf78

    SHA1

    55e26136eafdfa41b64c7cc9ce4034745391abbe

    SHA256

    0f29f9bc5ceb4045626862436a2a03310df879e32bb78b20fc1fa83d0fc673b4

    SHA512

    5275d650064c66a33015224220f806168dc7a10a1a3624b829c90b948eae855fb6e3a2ce115558069f1396a177e97cfed50a836b0deffff1049bc30238ebee6b

  • memory/936-65-0x0000000000C40000-0x0000000000C8D000-memory.dmp

    Filesize

    308KB

  • memory/936-24-0x0000000000C40000-0x0000000000C8D000-memory.dmp

    Filesize

    308KB

  • memory/936-14-0x0000000000400000-0x0000000000446000-memory.dmp

    Filesize

    280KB

  • memory/936-16-0x0000000000400000-0x0000000000446000-memory.dmp

    Filesize

    280KB

  • memory/936-17-0x0000000000400000-0x0000000000446000-memory.dmp

    Filesize

    280KB

  • memory/936-18-0x000000007460E000-0x000000007460F000-memory.dmp

    Filesize

    4KB

  • memory/936-19-0x0000000000B10000-0x0000000000B64000-memory.dmp

    Filesize

    336KB

  • memory/936-20-0x0000000074600000-0x0000000074CEE000-memory.dmp

    Filesize

    6.9MB

  • memory/936-23-0x0000000074600000-0x0000000074CEE000-memory.dmp

    Filesize

    6.9MB

  • memory/936-22-0x0000000000C40000-0x0000000000C92000-memory.dmp

    Filesize

    328KB

  • memory/936-21-0x0000000074600000-0x0000000074CEE000-memory.dmp

    Filesize

    6.9MB

  • memory/936-35-0x0000000000C40000-0x0000000000C8D000-memory.dmp

    Filesize

    308KB

  • memory/936-73-0x0000000000C40000-0x0000000000C8D000-memory.dmp

    Filesize

    308KB

  • memory/936-57-0x0000000000C40000-0x0000000000C8D000-memory.dmp

    Filesize

    308KB

  • memory/936-25-0x0000000000C40000-0x0000000000C8D000-memory.dmp

    Filesize

    308KB

  • memory/936-27-0x0000000000C40000-0x0000000000C8D000-memory.dmp

    Filesize

    308KB

  • memory/936-29-0x0000000000C40000-0x0000000000C8D000-memory.dmp

    Filesize

    308KB

  • memory/936-31-0x0000000000C40000-0x0000000000C8D000-memory.dmp

    Filesize

    308KB

  • memory/936-33-0x0000000000C40000-0x0000000000C8D000-memory.dmp

    Filesize

    308KB

  • memory/936-45-0x0000000000C40000-0x0000000000C8D000-memory.dmp

    Filesize

    308KB

  • memory/936-63-0x0000000000C40000-0x0000000000C8D000-memory.dmp

    Filesize

    308KB

  • memory/936-67-0x0000000000C40000-0x0000000000C8D000-memory.dmp

    Filesize

    308KB

  • memory/936-1058-0x0000000074600000-0x0000000074CEE000-memory.dmp

    Filesize

    6.9MB

  • memory/936-1057-0x0000000074600000-0x0000000074CEE000-memory.dmp

    Filesize

    6.9MB

  • memory/936-71-0x0000000000C40000-0x0000000000C8D000-memory.dmp

    Filesize

    308KB

  • memory/936-83-0x0000000000C40000-0x0000000000C8D000-memory.dmp

    Filesize

    308KB

  • memory/936-82-0x0000000000C40000-0x0000000000C8D000-memory.dmp

    Filesize

    308KB

  • memory/936-79-0x0000000000C40000-0x0000000000C8D000-memory.dmp

    Filesize

    308KB

  • memory/936-76-0x0000000000C40000-0x0000000000C8D000-memory.dmp

    Filesize

    308KB

  • memory/936-70-0x0000000000C40000-0x0000000000C8D000-memory.dmp

    Filesize

    308KB

  • memory/936-61-0x0000000000C40000-0x0000000000C8D000-memory.dmp

    Filesize

    308KB

  • memory/936-77-0x0000000000C40000-0x0000000000C8D000-memory.dmp

    Filesize

    308KB

  • memory/936-59-0x0000000000C40000-0x0000000000C8D000-memory.dmp

    Filesize

    308KB

  • memory/936-55-0x0000000000C40000-0x0000000000C8D000-memory.dmp

    Filesize

    308KB

  • memory/936-53-0x0000000000C40000-0x0000000000C8D000-memory.dmp

    Filesize

    308KB

  • memory/936-52-0x0000000000C40000-0x0000000000C8D000-memory.dmp

    Filesize

    308KB

  • memory/936-49-0x0000000000C40000-0x0000000000C8D000-memory.dmp

    Filesize

    308KB

  • memory/936-47-0x0000000000C40000-0x0000000000C8D000-memory.dmp

    Filesize

    308KB

  • memory/936-43-0x0000000000C40000-0x0000000000C8D000-memory.dmp

    Filesize

    308KB

  • memory/936-41-0x0000000000C40000-0x0000000000C8D000-memory.dmp

    Filesize

    308KB

  • memory/936-39-0x0000000000C40000-0x0000000000C8D000-memory.dmp

    Filesize

    308KB

  • memory/936-37-0x0000000000C40000-0x0000000000C8D000-memory.dmp

    Filesize

    308KB

  • memory/936-1054-0x0000000074600000-0x0000000074CEE000-memory.dmp

    Filesize

    6.9MB

  • memory/936-1055-0x0000000000400000-0x0000000000446000-memory.dmp

    Filesize

    280KB

  • memory/936-1056-0x000000007460E000-0x000000007460F000-memory.dmp

    Filesize

    4KB

  • memory/2360-2-0x0000000003E50000-0x0000000004250000-memory.dmp

    Filesize

    4.0MB

  • memory/2652-12-0x0000000003550000-0x0000000003950000-memory.dmp

    Filesize

    4.0MB