Analysis

  • max time kernel
    142s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    03/04/2024, 19:19

General

  • Target

    Purchase Order CTPO18542#.exe

  • Size

    341KB

  • MD5

    170b650b89eb3f88732366ca582cb976

  • SHA1

    b76899209d61e00e567d6bfa1140b6455f28b9c6

  • SHA256

    f4008d16e598db2a35512ca619aa47a5434e177e5be16323378fd86715002808

  • SHA512

    562b57205bee65a96ff1e8eabbe64e0f0bb5e1390ba8b6354691a7875ef819b87742a18dfc482e62930cf2f6f5f0d3d517a3da4d67d8e5a55bebc609c10ccf18

  • SSDEEP

    6144:GBlL/LNEppNBYRU1P/PMSnxT0SBCGbyVpEhcHEytf7anFF:EBm77RnxT0SBCGQon7

Malware Config

Signatures

  • AgentTesla

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

  • AgentTesla payload 3 IoCs
  • Loads dropped DLL 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Purchase Order CTPO18542#.exe
    "C:\Users\Admin\AppData\Local\Temp\Purchase Order CTPO18542#.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2936
    • C:\Users\Admin\AppData\Local\Temp\Purchase Order CTPO18542#.exe
      "C:\Users\Admin\AppData\Local\Temp\Purchase Order CTPO18542#.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2744
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
        dw20.exe -x -s 508
        3⤵
          PID:2656

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • \Users\Admin\AppData\Local\Temp\nst84DA.tmp\misckvq.dll

            Filesize

            32KB

            MD5

            71455ae5bee5d2dc77c1c86f0ff4a9aa

            SHA1

            30aba60427c693656d8d76cbdf257c033284f1c2

            SHA256

            10d7db2ec1fa897b98373589c629e14b938d81a952bc33c32d60aea1522f86d6

            SHA512

            a4e0a98ef162bf28059af238b25f696d1dd0e07cc30337968f15ebb802ecd487c9f4ada2ee441052a24e66ba4f9dbf6beb307e9a7f65495156270468fb2c699a

          • memory/2656-16-0x0000000001E90000-0x0000000001E91000-memory.dmp

            Filesize

            4KB

          • memory/2656-22-0x0000000001E90000-0x0000000001E91000-memory.dmp

            Filesize

            4KB

          • memory/2744-8-0x0000000000400000-0x000000000044C000-memory.dmp

            Filesize

            304KB

          • memory/2744-10-0x0000000000400000-0x000000000044C000-memory.dmp

            Filesize

            304KB

          • memory/2744-11-0x0000000000400000-0x000000000044C000-memory.dmp

            Filesize

            304KB

          • memory/2744-12-0x0000000074880000-0x0000000074E2B000-memory.dmp

            Filesize

            5.7MB

          • memory/2744-13-0x0000000074880000-0x0000000074E2B000-memory.dmp

            Filesize

            5.7MB

          • memory/2744-14-0x0000000002090000-0x00000000020D0000-memory.dmp

            Filesize

            256KB

          • memory/2744-15-0x0000000002090000-0x00000000020D0000-memory.dmp

            Filesize

            256KB

          • memory/2744-18-0x0000000074880000-0x0000000074E2B000-memory.dmp

            Filesize

            5.7MB

          • memory/2744-19-0x0000000002090000-0x00000000020D0000-memory.dmp

            Filesize

            256KB