Analysis

  • max time kernel
    123s
  • max time network
    152s
  • platform
    windows10_x64
  • resource
    win10-en-20211014
  • submitted
    21-10-2021 04:17

General

  • Target

    RFQ.exe

  • Size

    585KB

  • MD5

    e3fc0a2977f6ace1e8dcc4d170613b6e

  • SHA1

    0fd7d3e125ae5971855a1ba0e204ec5ae0f4829d

  • SHA256

    24e27b79291475c64e5f2a71833ac988a888e66c86d32ad5d5b20be3b7717604

  • SHA512

    1b19a53b46d5a7c2d2ac7c5c3595f775f78da42e5f8ca3babf1e71406c5d990447238aea61be66c28eff0bc620fc7a5858181e4e97b2f38e694cb7b27708bef2

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.conreivestments.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    ~zi@3dw1_IqN

Signatures

  • AgentTesla

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

  • AgentTesla Payload 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\RFQ.exe
    "C:\Users\Admin\AppData\Local\Temp\RFQ.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2508
    • C:\Users\Admin\AppData\Local\Temp\RFQ.exe
      "{path}"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2288
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
        dw20.exe -x -s 708
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1184

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\RFQ.exe.log
    MD5

    568e6f2b186c39075772d775e4189f57

    SHA1

    02f642cfdd1491b1ce69e81925ed336975e2f972

    SHA256

    d29bbfbb510acd8716133feeade8f914076963ccc38abb4b5a64a8d32bac44e4

    SHA512

    ef3b7f6d6b355c41ca9abb40d769622ea3f79787d8d2501ad5a135fa5cc78712175190386c8e05ee863a3bc046bc09eee22310555d31e4d57a4652f280283156

  • memory/1184-120-0x0000000000000000-mapping.dmp
  • memory/2288-117-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/2288-118-0x00000000004375AE-mapping.dmp
  • memory/2288-121-0x0000000002BD0000-0x0000000002BD1000-memory.dmp
    Filesize

    4KB

  • memory/2508-115-0x0000000002810000-0x0000000002811000-memory.dmp
    Filesize

    4KB

  • memory/2508-116-0x0000000002812000-0x0000000002814000-memory.dmp
    Filesize

    8KB