Analysis

  • max time kernel
    106s
  • max time network
    113s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    22-07-2021 07:03

General

  • Target

    S2107Item.exe

  • Size

    758KB

  • MD5

    f868c1e77be92a2bdcecd727781b39c2

  • SHA1

    ab1a4db47be725a80e4b03b9f5caf9dae8f680e5

  • SHA256

    089c2e88733184ca2e648ccfe560f808b82962a83291023584ca69cc34d0957a

  • SHA512

    a119990847418efe72c3388b51ce7c4d7547e6f446d0aa16c8ab4dc9e6d56e7ea3b8861465eb44990ed1e6a8390b1d754503b3c4fa4502e5eab957996cf6e7ec

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.logoffices.com
  • Port:
    587
  • Username:
    cc@logoffices.com
  • Password:
    QAZqaz123@

Signatures

  • AgentTesla

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

  • AgentTesla Payload 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\S2107Item.exe
    "C:\Users\Admin\AppData\Local\Temp\S2107Item.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4444
    • C:\Users\Admin\AppData\Local\Temp\S2107Item.exe
      "C:\Users\Admin\AppData\Local\Temp\S2107Item.exe"
      2⤵
        PID:4008
      • C:\Users\Admin\AppData\Local\Temp\S2107Item.exe
        "C:\Users\Admin\AppData\Local\Temp\S2107Item.exe"
        2⤵
          PID:4004
        • C:\Users\Admin\AppData\Local\Temp\S2107Item.exe
          "C:\Users\Admin\AppData\Local\Temp\S2107Item.exe"
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4012

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\S2107Item.exe.log
        MD5

        c3cc52ccca9ff2b6fa8d267fc350ca6b

        SHA1

        a68d4028333296d222e4afd75dea36fdc98d05f3

        SHA256

        3125b6071e2d78f575a06ed7ac32a83d9262ae64d1fa81ac43e8bfc1ef157c0e

        SHA512

        b0c7b2501b1a2c559795a9d178c0bbda0e03cbdbaaa2c4330ac1202a55373fe1b742078adcfa915bd6e805565a2daa6d35d64ef7a14ffcd09069f9ea6a691cc7

      • memory/4012-125-0x0000000000400000-0x000000000043C000-memory.dmp
        Filesize

        240KB

      • memory/4012-134-0x0000000006200000-0x0000000006201000-memory.dmp
        Filesize

        4KB

      • memory/4012-133-0x0000000006170000-0x0000000006171000-memory.dmp
        Filesize

        4KB

      • memory/4012-132-0x0000000005480000-0x000000000597E000-memory.dmp
        Filesize

        5.0MB

      • memory/4012-126-0x00000000004375FE-mapping.dmp
      • memory/4444-119-0x000000000AC90000-0x000000000AC91000-memory.dmp
        Filesize

        4KB

      • memory/4444-122-0x0000000005850000-0x000000000586B000-memory.dmp
        Filesize

        108KB

      • memory/4444-123-0x00000000015E0000-0x0000000001662000-memory.dmp
        Filesize

        520KB

      • memory/4444-124-0x0000000001500000-0x000000000153D000-memory.dmp
        Filesize

        244KB

      • memory/4444-121-0x0000000005830000-0x0000000005831000-memory.dmp
        Filesize

        4KB

      • memory/4444-120-0x00000000030E0000-0x00000000030E1000-memory.dmp
        Filesize

        4KB

      • memory/4444-114-0x0000000000D40000-0x0000000000D41000-memory.dmp
        Filesize

        4KB

      • memory/4444-118-0x000000000AB50000-0x000000000AB51000-memory.dmp
        Filesize

        4KB

      • memory/4444-117-0x000000000B050000-0x000000000B051000-memory.dmp
        Filesize

        4KB

      • memory/4444-116-0x0000000007A90000-0x0000000007B48000-memory.dmp
        Filesize

        736KB