Analysis

  • max time kernel
    136s
  • max time network
    124s
  • platform
    windows10_x64
  • resource
    win10-en-20211014
  • submitted
    19-10-2021 10:38

General

  • Target

    70654 SSEBACT.exe

  • Size

    389KB

  • MD5

    54ad9166b1a65288183c4ee3a5fd0750

  • SHA1

    36fad28b8c9b45a7b90c3f2fd4e5785b859e48ae

  • SHA256

    faaa464df297e2bda628f86354e76da115e88941ec92386302a6cac74fecfca0

  • SHA512

    3b9a58297ac116f94e8728a660cbb963c00722acb3c202ad23f7133eac2368bdbf665c32a1fa10b6f122dd5058113f54ed64fbfdfc1be66f7a701453aef59eba

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.timsonlogisticske.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    timsam2015

Signatures

  • AgentTesla

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

  • AgentTesla Payload 3 IoCs
  • Drops file in Drivers directory 1 IoCs
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\70654 SSEBACT.exe
    "C:\Users\Admin\AppData\Local\Temp\70654 SSEBACT.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:5076
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
        PID:676
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        2⤵
        • Drops file in Drivers directory
        • Accesses Microsoft Outlook profiles
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:732

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Persistence

    Registry Run Keys / Startup Folder

    1
    T1060

    Defense Evasion

    Modify Registry

    1
    T1112

    Collection

    Email Collection

    1
    T1114

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/732-126-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/732-134-0x0000000005E90000-0x0000000005E91000-memory.dmp
      Filesize

      4KB

    • memory/732-133-0x0000000005610000-0x0000000005611000-memory.dmp
      Filesize

      4KB

    • memory/732-132-0x0000000005130000-0x000000000562E000-memory.dmp
      Filesize

      5.0MB

    • memory/732-127-0x00000000004375EE-mapping.dmp
    • memory/5076-122-0x00000000055A0000-0x0000000005A9E000-memory.dmp
      Filesize

      5.0MB

    • memory/5076-115-0x0000000000CB0000-0x0000000000CB1000-memory.dmp
      Filesize

      4KB

    • memory/5076-123-0x00000000093C0000-0x00000000093C8000-memory.dmp
      Filesize

      32KB

    • memory/5076-124-0x0000000009920000-0x0000000009921000-memory.dmp
      Filesize

      4KB

    • memory/5076-125-0x00000000099C0000-0x0000000009A18000-memory.dmp
      Filesize

      352KB

    • memory/5076-121-0x00000000055A0000-0x0000000005A9E000-memory.dmp
      Filesize

      5.0MB

    • memory/5076-120-0x00000000055A0000-0x0000000005A9E000-memory.dmp
      Filesize

      5.0MB

    • memory/5076-119-0x0000000005560000-0x0000000005561000-memory.dmp
      Filesize

      4KB

    • memory/5076-118-0x00000000055A0000-0x00000000055A1000-memory.dmp
      Filesize

      4KB

    • memory/5076-117-0x0000000005AA0000-0x0000000005AA1000-memory.dmp
      Filesize

      4KB