Analysis

  • max time kernel
    10s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    23-05-2023 04:00

General

  • Target

    770375545746.CI_770375545746.GenesisAWB.exe

  • Size

    320KB

  • MD5

    058e6cfde5b836d53390c1affa9e42ff

  • SHA1

    a55b0ade3a95b17f8bb3701c3a98348e7a20e662

  • SHA256

    8e93ecb2649c96c21b8ca84ca2bb084902bc406600af15e0e03fcbbb41f0e373

  • SHA512

    39e2bc5200c1a3fc578f5a62d0e31199f5b5077698e437d071f060105a57a4003e17bfbc8c8cb6e67f8c00f226fc343d45d7d9c3064ddcc95954f1a80087a577

  • SSDEEP

    6144:fQ606x5wOyFNKvLOsI5H8T58KEyyfnYO4FjTdiCWD:/wDSvysI5858KEyyfnYO0TdiF

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5607670089:AAHDyW2zijSScYJ2RdPWDO-CgeTo7-m6ur8/

Signatures

  • AgentTesla

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

  • Guloader,Cloudeye

    A shellcode based downloader first seen in 2020.

  • Loads dropped DLL 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Looks up external IP address via web service 2 IoCs

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

  • Drops file in System32 directory 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\770375545746.CI_770375545746.GenesisAWB.exe
    "C:\Users\Admin\AppData\Local\Temp\770375545746.CI_770375545746.GenesisAWB.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Drops file in Windows directory
    PID:1772
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
      "C:\Users\Admin\AppData\Local\Temp\770375545746.CI_770375545746.GenesisAWB.exe"
      2⤵
        PID:1524
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
        "C:\Users\Admin\AppData\Local\Temp\770375545746.CI_770375545746.GenesisAWB.exe"
        2⤵
          PID:1588

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\CabAD52.tmp

        Filesize

        61KB

        MD5

        fc4666cbca561e864e7fdf883a9e6661

        SHA1

        2f8d6094c7a34bf12ea0bbf0d51ee9c5bb7939a5

        SHA256

        10f3deb6c452d749a7451b5d065f4c0449737e5ee8a44f4d15844b503141e65b

        SHA512

        c71f54b571e01f247f072be4bbebdf5d8410b67eb79a61e7e0d9853fe857ab9bd12f53e6af3394b935560178107291fc4be351b27deb388eba90ba949633d57d

      • \Users\Admin\AppData\Local\Temp\nsdD7A.tmp\System.dll

        Filesize

        11KB

        MD5

        9625d5b1754bc4ff29281d415d27a0fd

        SHA1

        80e85afc5cccd4c0a3775edbb90595a1a59f5ce0

        SHA256

        c2f405d7402f815d0c3fadd9a50f0bbbb1bab9aa38fe347823478a2587299448

        SHA512

        dce52b640897c2e8dbfd0a1472d5377fa91fb9cf1aeff62604d014bccbe5b56af1378f173132abeb0edd18c225b9f8f5e3d3e72434aed946661e036c779f165b

      • memory/1588-62-0x0000000000620000-0x0000000002AAA000-memory.dmp

        Filesize

        36.5MB

      • memory/1588-64-0x0000000000400000-0x0000000000615000-memory.dmp

        Filesize

        2.1MB

      • memory/1588-86-0x0000000000400000-0x0000000000615000-memory.dmp

        Filesize

        2.1MB

      • memory/1588-87-0x0000000000620000-0x0000000002AAA000-memory.dmp

        Filesize

        36.5MB

      • memory/1588-88-0x0000000000400000-0x0000000000430000-memory.dmp

        Filesize

        192KB

      • memory/1588-89-0x0000000000620000-0x0000000002AAA000-memory.dmp

        Filesize

        36.5MB

      • memory/1588-90-0x0000000036680000-0x00000000366C0000-memory.dmp

        Filesize

        256KB

      • memory/1588-112-0x0000000036680000-0x00000000366C0000-memory.dmp

        Filesize

        256KB

      • memory/1772-61-0x0000000002600000-0x0000000004A8A000-memory.dmp

        Filesize

        36.5MB

      • memory/1772-63-0x0000000002600000-0x0000000004A8A000-memory.dmp

        Filesize

        36.5MB