Analysis

  • max time kernel
    136s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 11:59

General

  • Target

    EMD2343.exe

  • Size

    648KB

  • MD5

    b73a5278882483017c5b3b40b2979e15

  • SHA1

    716441708ae9146c1f79681c7c83dd8b3ea197b6

  • SHA256

    e15aa7c26008b8fe0d0a18be659ac958c5012837bce4d30d39f82848e73e4444

  • SHA512

    9b444a177def9d7d8e4f3d88eac3cab25c42f0ca1a49e94c55030c3ebf8b3d6e9364a00d49ef94af79c649ee0c1e4701211d9d5a2a575d1db4a9c6d6b005c196

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.flood-protection.org
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    emmydon2424@

Signatures

  • AgentTesla

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

  • AgentTesla Payload 2 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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\EMD2343.exe
    "C:\Users\Admin\AppData\Local\Temp\EMD2343.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1200
    • C:\Users\Admin\AppData\Local\Temp\EMD2343.exe
      "C:\Users\Admin\AppData\Local\Temp\EMD2343.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:3372
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" wlan show profile
        3⤵
          PID:2568

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\EMD2343.exe.log

      Filesize

      1KB

      MD5

      0d8506cdeb91f8ec770656b5830026cc

      SHA1

      08e59bcaa03959ccab33d2e0723f1a02ab983dc5

      SHA256

      ab8f6d6c6583395e1e95cac9f84048a5733f7c429eb8c02b66284ff4f867e35a

      SHA512

      a99dbc19411e574c11419750b27a902083eb8e954371eac47ad85b3e2b1fce764eca5a787a6187991ec8eb446f21a0aa7e7e65f4be5a0c80215f98adf1026b56

    • memory/1200-130-0x0000000000F70000-0x0000000001018000-memory.dmp

      Filesize

      672KB

    • memory/1200-131-0x0000000005F90000-0x0000000006534000-memory.dmp

      Filesize

      5.6MB

    • memory/1200-132-0x0000000005AE0000-0x0000000005B72000-memory.dmp

      Filesize

      584KB

    • memory/1200-133-0x0000000005E90000-0x0000000005ED4000-memory.dmp

      Filesize

      272KB

    • memory/2568-139-0x0000000000000000-mapping.dmp

    • memory/3372-134-0x0000000000000000-mapping.dmp

    • memory/3372-135-0x0000000000400000-0x0000000000452000-memory.dmp

      Filesize

      328KB

    • memory/3372-137-0x0000000005270000-0x000000000530C000-memory.dmp

      Filesize

      624KB

    • memory/3372-138-0x0000000005780000-0x00000000057E6000-memory.dmp

      Filesize

      408KB

    • memory/3372-140-0x0000000006500000-0x0000000006550000-memory.dmp

      Filesize

      320KB

    • memory/3372-141-0x0000000006250000-0x000000000625A000-memory.dmp

      Filesize

      40KB