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Analysis

  • max time kernel
    163s
  • max time network
    171s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/01/2024, 19:35

General

  • Target

    a2ed4963dfd45090c2112b7ba2422f86.exe

  • Size

    453KB

  • MD5

    a2ed4963dfd45090c2112b7ba2422f86

  • SHA1

    2bcef9993ffb483d5b7a8d482c00d33c71a28a02

  • SHA256

    bcdf684939411112be33475b5422edf1f6b8219b0f1b786e1ad222d2ebbca6c1

  • SHA512

    57891e845c2dcaf071ef6e5bae4a6cbb93789f563d84481d1447d4c36aa9f4f13f9d32d743672d8dcd293c1129c2f14e23804f7a19aaa8e0a3e9378e04b4d911

  • SSDEEP

    6144:2Eul21llAVOCt6ZJJbrr8pMnGdBI+cHGBJqaavKrfO2zPmuliN63z3BlO:WEiCtIKGdBIjqJWKqpugN63H

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.mohhg.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    r:1{cNw4}vJc

Signatures

  • AgentTesla

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

  • AgentTesla payload 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Suspicious use of SetThreadContext 1 IoCs
  • 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 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a2ed4963dfd45090c2112b7ba2422f86.exe
    "C:\Users\Admin\AppData\Local\Temp\a2ed4963dfd45090c2112b7ba2422f86.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1936
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\tQsJxm" /XML "C:\Users\Admin\AppData\Local\Temp\tmp97E1.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2824
    • C:\Users\Admin\AppData\Local\Temp\a2ed4963dfd45090c2112b7ba2422f86.exe
      "{path}"
      2⤵
        PID:2396
      • C:\Users\Admin\AppData\Local\Temp\a2ed4963dfd45090c2112b7ba2422f86.exe
        "{path}"
        2⤵
          PID:4952
        • C:\Users\Admin\AppData\Local\Temp\a2ed4963dfd45090c2112b7ba2422f86.exe
          "{path}"
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1648

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\a2ed4963dfd45090c2112b7ba2422f86.exe.log

        Filesize

        496B

        MD5

        cb76b18ebed3a9f05a14aed43d35fba6

        SHA1

        836a4b4e351846fca08b84149cb734cb59b8c0d6

        SHA256

        8d0edecf54cbbdf7981c8e41a3ed8621503188a87415f9af0fb8d890b138c349

        SHA512

        7631141e4a6dda29452ada666326837372cd3d045f773006f63d9eff15d9432ed00029d9108a72c1a3b858377600a2aab2c9ec03764285c8801b6019babcf21c

      • C:\Users\Admin\AppData\Local\Temp\tmp97E1.tmp

        Filesize

        1KB

        MD5

        73488617e7e0d6f81b6ffd7e974d5dc0

        SHA1

        987776f6169cd0248dd1bf7eb69bde326bf80d5a

        SHA256

        cf1cf5597a51304d7bb636316587f1218143d764a4ffcd2c8002c6ba014c1e7e

        SHA512

        c7aedf807b6d83b74762db0b6d3ebf68bbefe44d1ee2c51bf8f5b9a25593156686fb7a6878777be961d69bb66aaea694693d6e406f082750694a6c302b588000

      • memory/1648-14-0x0000000001210000-0x0000000001220000-memory.dmp

        Filesize

        64KB

      • memory/1648-19-0x0000000001210000-0x0000000001220000-memory.dmp

        Filesize

        64KB

      • memory/1648-18-0x0000000001210000-0x0000000001220000-memory.dmp

        Filesize

        64KB

      • memory/1648-17-0x00000000747F0000-0x0000000074DA1000-memory.dmp

        Filesize

        5.7MB

      • memory/1648-16-0x0000000001210000-0x0000000001220000-memory.dmp

        Filesize

        64KB

      • memory/1648-13-0x00000000747F0000-0x0000000074DA1000-memory.dmp

        Filesize

        5.7MB

      • memory/1648-9-0x0000000000400000-0x000000000043C000-memory.dmp

        Filesize

        240KB

      • memory/1648-12-0x00000000747F0000-0x0000000074DA1000-memory.dmp

        Filesize

        5.7MB

      • memory/1936-4-0x0000000000C30000-0x0000000000C40000-memory.dmp

        Filesize

        64KB

      • memory/1936-5-0x00000000747F0000-0x0000000074DA1000-memory.dmp

        Filesize

        5.7MB

      • memory/1936-15-0x00000000747F0000-0x0000000074DA1000-memory.dmp

        Filesize

        5.7MB

      • memory/1936-0-0x00000000747F0000-0x0000000074DA1000-memory.dmp

        Filesize

        5.7MB

      • memory/1936-3-0x00000000747F0000-0x0000000074DA1000-memory.dmp

        Filesize

        5.7MB

      • memory/1936-2-0x00000000747F0000-0x0000000074DA1000-memory.dmp

        Filesize

        5.7MB

      • memory/1936-1-0x0000000000C30000-0x0000000000C40000-memory.dmp

        Filesize

        64KB