Analysis

  • max time kernel
    120s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    05-12-2023 18:12

General

  • Target

    91ff3998adf51757d7580e1c190ff9f4c12e9b2de48b56c7507824753a9930e2exe.exe

  • Size

    991KB

  • MD5

    3d0e43113603bf2f7c7773ae08d1e03d

  • SHA1

    8d90a13d1e29bec0d4167fdcc67e6710724f79dc

  • SHA256

    91ff3998adf51757d7580e1c190ff9f4c12e9b2de48b56c7507824753a9930e2

  • SHA512

    b4a9ba85c7ce0cf04b0bc578d330910f8d03e90077466d4845af58c5f1d8c951bb78b32787cd6e871ab019da132e865c43f7f12ecced5108e20e668392574fa0

  • SSDEEP

    24576:Vb34/up+pJSpEBTxv7/S6buFPTPYMXu71oPX9Ikq2rMx:F38PJSoJ/iF8M7Pqkq2rMx

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\91ff3998adf51757d7580e1c190ff9f4c12e9b2de48b56c7507824753a9930e2exe.exe
    "C:\Users\Admin\AppData\Local\Temp\91ff3998adf51757d7580e1c190ff9f4c12e9b2de48b56c7507824753a9930e2exe.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2764
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\91ff3998adf51757d7580e1c190ff9f4c12e9b2de48b56c7507824753a9930e2exe.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2836
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\DrHGavhyoEe.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2492
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\DrHGavhyoEe" /XML "C:\Users\Admin\AppData\Local\Temp\tmp232.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2980
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
        PID:2904

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp232.tmp

      Filesize

      1KB

      MD5

      0b9f048ee5d3d1858611b71fe17b7dc1

      SHA1

      84ae2dc8cdb639a6017ee698610d46d3c6a138c0

      SHA256

      8b10f82d4323a13673f33e1b64c987292b0b8b836172bdb997ac407417d4f6d4

      SHA512

      54e4a21c61b74f8c79a29a157907804ac0a34e44b2869c146503a528a1147363854ceed1c0b836811e3de06d563aba399c6a27c971d5effb2d18bbf7942879ea

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\RBRC93PQL66N23M6S8A1.temp

      Filesize

      7KB

      MD5

      18f1ac736e03ba3899b6c13815169f43

      SHA1

      a65f19aeeed2e1ee81a7d6f6eeaa37bf2312e90e

      SHA256

      a3795d37f8cffdce9f96bd9b8c09cc238203530a597bb62c1cb1126fcf7774ee

      SHA512

      e57426aa32e8730e8e73d12f57a8da7abbf2b83f0c2c73d3b92856e5efef6be9239fa06aa45c5aa9e8e085b33451d023b0c4644592e4992f8dc7db09e0b9e7a8

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

      Filesize

      7KB

      MD5

      18f1ac736e03ba3899b6c13815169f43

      SHA1

      a65f19aeeed2e1ee81a7d6f6eeaa37bf2312e90e

      SHA256

      a3795d37f8cffdce9f96bd9b8c09cc238203530a597bb62c1cb1126fcf7774ee

      SHA512

      e57426aa32e8730e8e73d12f57a8da7abbf2b83f0c2c73d3b92856e5efef6be9239fa06aa45c5aa9e8e085b33451d023b0c4644592e4992f8dc7db09e0b9e7a8

    • memory/2492-27-0x0000000002590000-0x00000000025D0000-memory.dmp

      Filesize

      256KB

    • memory/2492-25-0x000000006E070000-0x000000006E61B000-memory.dmp

      Filesize

      5.7MB

    • memory/2492-36-0x0000000002590000-0x00000000025D0000-memory.dmp

      Filesize

      256KB

    • memory/2492-33-0x0000000002590000-0x00000000025D0000-memory.dmp

      Filesize

      256KB

    • memory/2492-38-0x000000006E070000-0x000000006E61B000-memory.dmp

      Filesize

      5.7MB

    • memory/2764-4-0x00000000004A0000-0x00000000004A8000-memory.dmp

      Filesize

      32KB

    • memory/2764-8-0x0000000004D30000-0x0000000004D70000-memory.dmp

      Filesize

      256KB

    • memory/2764-7-0x0000000074650000-0x0000000074D3E000-memory.dmp

      Filesize

      6.9MB

    • memory/2764-6-0x0000000005390000-0x000000000540A000-memory.dmp

      Filesize

      488KB

    • memory/2764-5-0x00000000004E0000-0x00000000004EA000-memory.dmp

      Filesize

      40KB

    • memory/2764-3-0x0000000000700000-0x0000000000718000-memory.dmp

      Filesize

      96KB

    • memory/2764-0-0x0000000000B00000-0x0000000000BFE000-memory.dmp

      Filesize

      1016KB

    • memory/2764-2-0x0000000004D30000-0x0000000004D70000-memory.dmp

      Filesize

      256KB

    • memory/2764-1-0x0000000074650000-0x0000000074D3E000-memory.dmp

      Filesize

      6.9MB

    • memory/2836-34-0x0000000002200000-0x0000000002240000-memory.dmp

      Filesize

      256KB

    • memory/2836-29-0x000000006E070000-0x000000006E61B000-memory.dmp

      Filesize

      5.7MB

    • memory/2836-31-0x0000000002200000-0x0000000002240000-memory.dmp

      Filesize

      256KB

    • memory/2836-37-0x0000000002200000-0x0000000002240000-memory.dmp

      Filesize

      256KB

    • memory/2836-22-0x000000006E070000-0x000000006E61B000-memory.dmp

      Filesize

      5.7MB

    • memory/2836-39-0x000000006E070000-0x000000006E61B000-memory.dmp

      Filesize

      5.7MB

    • memory/2904-28-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2904-32-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2904-24-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2904-26-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2904-21-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB