Analysis

  • max time kernel
    90s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-06-2024 16:48

General

  • Target

    z27FACTURA09654700.BAT.exe

  • Size

    1.0MB

  • MD5

    aed00ff3e85dbf1bbf99939966939b3a

  • SHA1

    d02a5bc420207a7958e34a4740968439969f5b19

  • SHA256

    b772162c5b510c5427be045abfdc43c29756217e2ed924ce4c4388bd457a4987

  • SHA512

    08ad4f11a67a9e8228d83e96fbcccd98910d53ff2929e2d70d336b8e808d4d7e37f90d157e2747b744eb19b451aba2a0985022207a68ff50dcbd8cdef5e1f50a

  • SSDEEP

    24576:HAHnh+eWsN3skA4RV1Hom2KXMmHauOVaz7jxokZf4vFEGR5:6h+ZkldoPK8YauOIzHxokZfqFEo

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.antoniomayol.com:21
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    cMhKDQUk1{;%

Signatures

  • AgentTesla

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

  • Drops startup file 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Looks up external IP address via web service 1 IoCs

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

  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\z27FACTURA09654700.BAT.exe
    "C:\Users\Admin\AppData\Local\Temp\z27FACTURA09654700.BAT.exe"
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:3620
    • C:\Users\Admin\AppData\Local\obtenebrate\corynteria.exe
      "C:\Users\Admin\AppData\Local\Temp\z27FACTURA09654700.BAT.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:4344
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Users\Admin\AppData\Local\Temp\z27FACTURA09654700.BAT.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1664

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\benting

    Filesize

    239KB

    MD5

    00370753943d9a11be05b9d18ee97197

    SHA1

    1555b2a50202f4f46fa796277c269fe3d8cb90fa

    SHA256

    a1f5563609a0d55bf813d88b864cdef5ea91c0012de215db73e4f72428596a75

    SHA512

    4d42176734391d746d2b6df9c8b2e293e9bcbd49a5cd0fc1be8c7ae36def70b0740dbe1dbf88406f65937a1eaf8dedd9897a5f365d15a67f365b780ce40a2bc7

  • C:\Users\Admin\AppData\Local\Temp\prophetesses

    Filesize

    28KB

    MD5

    9ba42eb54f59dbd92ea3603a8ce31beb

    SHA1

    63a08b907e72b79b4781848aa25f76bdaf3103d9

    SHA256

    06d40c1d942dc7d5827d4098943c1d9088a47bda344cd79275f7c8518d390bc9

    SHA512

    791fe6f2de331e0edfb1068c67fa051bc5e60540018c264aa609321a83d64c6bff97e3e96d3d598c7f7a0967087f09d22a0c282dfad1be34033e4f2ebc7d1e58

  • C:\Users\Admin\AppData\Local\obtenebrate\corynteria.exe

    Filesize

    1.0MB

    MD5

    aed00ff3e85dbf1bbf99939966939b3a

    SHA1

    d02a5bc420207a7958e34a4740968439969f5b19

    SHA256

    b772162c5b510c5427be045abfdc43c29756217e2ed924ce4c4388bd457a4987

    SHA512

    08ad4f11a67a9e8228d83e96fbcccd98910d53ff2929e2d70d336b8e808d4d7e37f90d157e2747b744eb19b451aba2a0985022207a68ff50dcbd8cdef5e1f50a

  • memory/1664-30-0x0000000005150000-0x00000000056F4000-memory.dmp

    Filesize

    5.6MB

  • memory/1664-28-0x00000000001B0000-0x00000000001F2000-memory.dmp

    Filesize

    264KB

  • memory/1664-29-0x000000007476E000-0x000000007476F000-memory.dmp

    Filesize

    4KB

  • memory/1664-31-0x0000000004C10000-0x0000000004C76000-memory.dmp

    Filesize

    408KB

  • memory/1664-32-0x0000000074760000-0x0000000074F10000-memory.dmp

    Filesize

    7.7MB

  • memory/1664-33-0x0000000005F40000-0x0000000005F90000-memory.dmp

    Filesize

    320KB

  • memory/1664-34-0x0000000006030000-0x00000000060C2000-memory.dmp

    Filesize

    584KB

  • memory/1664-35-0x0000000005FB0000-0x0000000005FBA000-memory.dmp

    Filesize

    40KB

  • memory/1664-36-0x000000007476E000-0x000000007476F000-memory.dmp

    Filesize

    4KB

  • memory/1664-37-0x0000000074760000-0x0000000074F10000-memory.dmp

    Filesize

    7.7MB

  • memory/3620-10-0x0000000002870000-0x0000000002874000-memory.dmp

    Filesize

    16KB