Analysis

  • max time kernel
    149s
  • max time network
    170s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 12:05

General

  • Target

    NEW INQUIRY.exe

  • Size

    660KB

  • MD5

    1f6260b8e5d617ad1c3c41ba672ebd9e

  • SHA1

    b4f9304e9334ec775e66f990a3916e763aab8aa5

  • SHA256

    7a1097e13a05503dcda27196c35c5b211c2703c2001e1901cf36d23ec6db39a0

  • SHA512

    9ba26fbed75e7a42aac6078269e5ca8e4920a7d459cddc8a3ac1458e629328c66b5b7f6af9173814549eb2a047fa3e17341aa8bc4c7039f5d0e0c24c92db8ca8

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.radianthospitals.org
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    ifeanyi12345678

Signatures

  • AgentTesla

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

  • AgentTesla Payload 1 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEW INQUIRY.exe
    "C:\Users\Admin\AppData\Local\Temp\NEW INQUIRY.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:980
    • C:\Users\Admin\AppData\Local\Temp\NEW INQUIRY.exe
      "C:\Users\Admin\AppData\Local\Temp\NEW INQUIRY.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1484

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

3
T1081

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\NEW INQUIRY.exe.log
    Filesize

    1KB

    MD5

    17573558c4e714f606f997e5157afaac

    SHA1

    13e16e9415ceef429aaf124139671ebeca09ed23

    SHA256

    c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553

    SHA512

    f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

  • memory/980-130-0x0000000000240000-0x00000000002EA000-memory.dmp
    Filesize

    680KB

  • memory/980-131-0x0000000004C30000-0x0000000004CCC000-memory.dmp
    Filesize

    624KB

  • memory/980-132-0x0000000005280000-0x0000000005824000-memory.dmp
    Filesize

    5.6MB

  • memory/980-133-0x0000000004D70000-0x0000000004E02000-memory.dmp
    Filesize

    584KB

  • memory/980-134-0x0000000004D20000-0x0000000004D2A000-memory.dmp
    Filesize

    40KB

  • memory/980-135-0x0000000004F60000-0x0000000004FB6000-memory.dmp
    Filesize

    344KB

  • memory/1484-136-0x0000000000000000-mapping.dmp
  • memory/1484-137-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/1484-139-0x0000000005FC0000-0x0000000006026000-memory.dmp
    Filesize

    408KB

  • memory/1484-140-0x00000000068A0000-0x00000000068F0000-memory.dmp
    Filesize

    320KB