Analysis

  • max time kernel
    91s
  • max time network
    48s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    04-12-2022 16:08

General

  • Target

    JTC20-PO074.075.exe

  • Size

    1.2MB

  • MD5

    5ca041632c9d92d36de6bbf016307719

  • SHA1

    e4fb1871b21fdfa9beab676cd58a70f551930f7e

  • SHA256

    164194c08dd53211cac7f964486f2dfbd9c1c8b4ccf980288d043f3544c7637e

  • SHA512

    cadff82f9bdd33e721ac58172225c90d9d9d3dea50183e618d13286a0167ca3a8460f9a332fd73acd9051fa4d3750537fe4e7d70758094219e96695addac86e2

  • SSDEEP

    24576:gQAnPK73wqJrGFem41Ic60+rVIx0JFCt8sc+WsU+sgGV+kICJrRy:ZwqJrGY1Ifv5IazCncVosgGVmId

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.kpce-co.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    l9#Qg$:nwmC3

Signatures

  • AgentTesla

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

  • AgentTesla payload 6 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JTC20-PO074.075.exe
    "C:\Users\Admin\AppData\Local\Temp\JTC20-PO074.075.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:1060
    • C:\Users\Admin\AppData\Local\Temp\JTC20-PO074.075.exe
      "C:\Users\Admin\AppData\Local\Temp\JTC20-PO074.075.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1092
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
        dw20.exe -x -s 520
        3⤵
          PID:1004

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\config\security.config.cch

      Filesize

      416B

      MD5

      4f1cb7ece6ce80da6f3a6fe4c0b8ac46

      SHA1

      d7b7f7f97b91074ba4f2f34a79fd86a167749e2a

      SHA256

      e5d286960ed95ed0527a8d7b0d44fdcfa12ec167ce713f1893f7d57f23bc0399

      SHA512

      1bfba27a4152c00813176ad75238ad34326a2551d11b5995af3dcadcbf3a84ad0787bdfdd18beeba2b94559c915eb7cf38714e1d1e0ae0fa79c92e07b6c8614b

    • memory/1004-72-0x0000000000000000-mapping.dmp

    • memory/1060-54-0x0000000075021000-0x0000000075023000-memory.dmp

      Filesize

      8KB

    • memory/1060-55-0x0000000074760000-0x0000000074D0B000-memory.dmp

      Filesize

      5.7MB

    • memory/1060-56-0x0000000074760000-0x0000000074D0B000-memory.dmp

      Filesize

      5.7MB

    • memory/1060-71-0x0000000074760000-0x0000000074D0B000-memory.dmp

      Filesize

      5.7MB

    • memory/1092-63-0x0000000000436BFE-mapping.dmp

    • memory/1092-62-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/1092-61-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/1092-65-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/1092-67-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/1092-60-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/1092-70-0x0000000074760000-0x0000000074D0B000-memory.dmp

      Filesize

      5.7MB

    • memory/1092-58-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/1092-57-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/1092-74-0x0000000074760000-0x0000000074D0B000-memory.dmp

      Filesize

      5.7MB