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Analysis

  • max time kernel
    140s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/08/2023, 19:56

General

  • Target

    AJG2023031161.exe

  • Size

    852KB

  • MD5

    6cc6924c78fdcb06383af80e97539df9

  • SHA1

    7418239bc287b32a2243bbad661aecd75f7176c9

  • SHA256

    229409f294f2a7102935d415228ff716f06746e313c4d058821a0397518213ad

  • SHA512

    21b5324a83bbb8904ba43e292d7bfccfb16a059ee9d140614cd6ce397d93b0755b775477056ff7611ebe032fa3024f0577e52a8512d5566329bd9ccc7e8278f1

  • SSDEEP

    12288:BB5KrzwXNvOQlR7RHdhjmC/MVKKGameOrrqTxlaTKnHXlVXQi:BOrsXNmyR7R9Fmx8ameO6BHXlJQi

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\AJG2023031161.exe
    "C:\Users\Admin\AppData\Local\Temp\AJG2023031161.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:544
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:456

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/456-1088-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/456-1089-0x0000000074DC0000-0x0000000075570000-memory.dmp

    Filesize

    7.7MB

  • memory/456-1091-0x0000000001240000-0x0000000001250000-memory.dmp

    Filesize

    64KB

  • memory/456-1092-0x00000000052D0000-0x0000000005336000-memory.dmp

    Filesize

    408KB

  • memory/456-1093-0x0000000006560000-0x00000000065B0000-memory.dmp

    Filesize

    320KB

  • memory/456-1095-0x0000000001240000-0x0000000001250000-memory.dmp

    Filesize

    64KB

  • memory/456-1094-0x0000000074DC0000-0x0000000075570000-memory.dmp

    Filesize

    7.7MB

  • memory/544-31-0x00000000083B0000-0x0000000008475000-memory.dmp

    Filesize

    788KB

  • memory/544-39-0x00000000083B0000-0x0000000008475000-memory.dmp

    Filesize

    788KB

  • memory/544-4-0x0000000005C00000-0x0000000005C10000-memory.dmp

    Filesize

    64KB

  • memory/544-5-0x0000000005970000-0x000000000597A000-memory.dmp

    Filesize

    40KB

  • memory/544-6-0x00000000083B0000-0x0000000008475000-memory.dmp

    Filesize

    788KB

  • memory/544-7-0x00000000083B0000-0x0000000008475000-memory.dmp

    Filesize

    788KB

  • memory/544-9-0x00000000083B0000-0x0000000008475000-memory.dmp

    Filesize

    788KB

  • memory/544-11-0x00000000083B0000-0x0000000008475000-memory.dmp

    Filesize

    788KB

  • memory/544-13-0x00000000083B0000-0x0000000008475000-memory.dmp

    Filesize

    788KB

  • memory/544-15-0x00000000083B0000-0x0000000008475000-memory.dmp

    Filesize

    788KB

  • memory/544-17-0x00000000083B0000-0x0000000008475000-memory.dmp

    Filesize

    788KB

  • memory/544-21-0x00000000083B0000-0x0000000008475000-memory.dmp

    Filesize

    788KB

  • memory/544-19-0x00000000083B0000-0x0000000008475000-memory.dmp

    Filesize

    788KB

  • memory/544-23-0x00000000083B0000-0x0000000008475000-memory.dmp

    Filesize

    788KB

  • memory/544-25-0x00000000083B0000-0x0000000008475000-memory.dmp

    Filesize

    788KB

  • memory/544-27-0x00000000083B0000-0x0000000008475000-memory.dmp

    Filesize

    788KB

  • memory/544-29-0x00000000083B0000-0x0000000008475000-memory.dmp

    Filesize

    788KB

  • memory/544-2-0x0000000005F50000-0x00000000064F4000-memory.dmp

    Filesize

    5.6MB

  • memory/544-33-0x00000000083B0000-0x0000000008475000-memory.dmp

    Filesize

    788KB

  • memory/544-35-0x00000000083B0000-0x0000000008475000-memory.dmp

    Filesize

    788KB

  • memory/544-37-0x00000000083B0000-0x0000000008475000-memory.dmp

    Filesize

    788KB

  • memory/544-3-0x00000000059A0000-0x0000000005A32000-memory.dmp

    Filesize

    584KB

  • memory/544-41-0x00000000083B0000-0x0000000008475000-memory.dmp

    Filesize

    788KB

  • memory/544-43-0x00000000083B0000-0x0000000008475000-memory.dmp

    Filesize

    788KB

  • memory/544-45-0x00000000083B0000-0x0000000008475000-memory.dmp

    Filesize

    788KB

  • memory/544-47-0x00000000083B0000-0x0000000008475000-memory.dmp

    Filesize

    788KB

  • memory/544-49-0x00000000083B0000-0x0000000008475000-memory.dmp

    Filesize

    788KB

  • memory/544-51-0x00000000083B0000-0x0000000008475000-memory.dmp

    Filesize

    788KB

  • memory/544-53-0x00000000083B0000-0x0000000008475000-memory.dmp

    Filesize

    788KB

  • memory/544-55-0x00000000083B0000-0x0000000008475000-memory.dmp

    Filesize

    788KB

  • memory/544-57-0x00000000083B0000-0x0000000008475000-memory.dmp

    Filesize

    788KB

  • memory/544-59-0x00000000083B0000-0x0000000008475000-memory.dmp

    Filesize

    788KB

  • memory/544-61-0x00000000083B0000-0x0000000008475000-memory.dmp

    Filesize

    788KB

  • memory/544-63-0x00000000083B0000-0x0000000008475000-memory.dmp

    Filesize

    788KB

  • memory/544-65-0x00000000083B0000-0x0000000008475000-memory.dmp

    Filesize

    788KB

  • memory/544-67-0x00000000083B0000-0x0000000008475000-memory.dmp

    Filesize

    788KB

  • memory/544-69-0x00000000083B0000-0x0000000008475000-memory.dmp

    Filesize

    788KB

  • memory/544-703-0x0000000074DC0000-0x0000000075570000-memory.dmp

    Filesize

    7.7MB

  • memory/544-1-0x0000000074DC0000-0x0000000075570000-memory.dmp

    Filesize

    7.7MB

  • memory/544-0-0x0000000000EE0000-0x0000000000FBC000-memory.dmp

    Filesize

    880KB

  • memory/544-767-0x0000000005C00000-0x0000000005C10000-memory.dmp

    Filesize

    64KB

  • memory/544-1084-0x0000000007AA0000-0x0000000007AA1000-memory.dmp

    Filesize

    4KB

  • memory/544-1090-0x0000000074DC0000-0x0000000075570000-memory.dmp

    Filesize

    7.7MB