Analysis

  • max time kernel
    192s
  • max time network
    198s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 00:39

General

  • Target

    DraftSwift copy hpSCAN 2207110 SWIFT CONFIRMATION 4657754 AGST INV CON 702.exe

  • Size

    642KB

  • MD5

    a56bb0b32e1cf8a6d446ef50b4b22d90

  • SHA1

    458d0d9b4a210e34e958e2806700a5b177ddd660

  • SHA256

    6de5c4939b3168487631c164ffc007b883acc005f689fb91951a06b92b06ea27

  • SHA512

    09be55f3cc24410aaff2e100ce78bd61780f7eac62e310dcab23798cfcf13c316452749c759ab5fd7ca676158552089af82053e25426b67004f237987e281ed4

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.rebu.co.rw
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    o^Z0CIU?^yL2

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.rebu.co.rw/
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    o^Z0CIU?^yL2

  • Protocol:
    ftp
  • Host:
    ftp://ftp.rebu.co.rw/
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    o^Z0CIU?^yL2

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
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DraftSwift copy hpSCAN 2207110 SWIFT CONFIRMATION 4657754 AGST INV CON 702.exe
    "C:\Users\Admin\AppData\Local\Temp\DraftSwift copy hpSCAN 2207110 SWIFT CONFIRMATION 4657754 AGST INV CON 702.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3192
    • C:\Users\Admin\AppData\Local\Temp\DraftSwift copy hpSCAN 2207110 SWIFT CONFIRMATION 4657754 AGST INV CON 702.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:1668
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" wlan show profile
        3⤵
          PID:4852

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Persistence

    Registry Run Keys / Startup Folder

    1
    T1060

    Defense Evasion

    Modify Registry

    1
    T1112

    Credential Access

    Credentials in Files

    3
    T1081

    Collection

    Data from Local System

    3
    T1005

    Email Collection

    1
    T1114

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1668-135-0x0000000000000000-mapping.dmp
    • memory/1668-136-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

    • memory/1668-137-0x0000000005930000-0x0000000005996000-memory.dmp
      Filesize

      408KB

    • memory/1668-138-0x00000000063F0000-0x0000000006440000-memory.dmp
      Filesize

      320KB

    • memory/3192-130-0x00000000001D0000-0x0000000000276000-memory.dmp
      Filesize

      664KB

    • memory/3192-131-0x00000000050F0000-0x0000000005694000-memory.dmp
      Filesize

      5.6MB

    • memory/3192-132-0x0000000004B40000-0x0000000004BD2000-memory.dmp
      Filesize

      584KB

    • memory/3192-133-0x00000000025A0000-0x00000000025AA000-memory.dmp
      Filesize

      40KB

    • memory/3192-134-0x0000000008310000-0x00000000083AC000-memory.dmp
      Filesize

      624KB

    • memory/4852-139-0x0000000000000000-mapping.dmp