Overview

overview

10

Static

static

New_PO #17...ed.exe

windows7-x64

10

New_PO #17...ed.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    92s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-12-2022 08:51

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General

  • Target

    New_PO #1783919939-12-2022 RFQ Amended.exe

  • Size

    880KB

  • MD5

    4539061d908b8efb290f3d8326482324

  • SHA1

    cfb842136aaee73a35801e60eb898aeb7df7d5c7

  • SHA256

    66e8893d8742feb4cf59cba5705d0ed26ec79f7287c873e56b4216b71903af81

  • SHA512

    e2c805525fc16a243550c633dcb97e5ff28b81652cfa08b79543ae4d065c80b04a637188d559ad659c97be1d3ae8ace907d0c222f16b10ff95ff2a3b8759a4eb

  • SSDEEP

    24576:9HZFWD/I1REDicfWwQXGTPcABRGrnyzccWwg5+RbZV:q/IkZfWwQXMc3yjee1

Score
10/10
agentteslacollectionkeyloggerspywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    mail.tegzw-com.cf
  • Port:
    587
  • Username:
    admin@tegzw-com.cf
  • Password:
    k6C[HUoih&9&

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

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

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

    spywarestealer
  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
    collection
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistence
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\New_PO #1783919939-12-2022 RFQ Amended.exe
    "C:\Users\Admin\AppData\Local\Temp\New_PO #1783919939-12-2022 RFQ Amended.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4820
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\glzaui" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC8FD.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3772
    • C:\Users\Admin\AppData\Local\Temp\New_PO #1783919939-12-2022 RFQ Amended.exe
      "{path}"
      2⤵
        PID:3148
      • C:\Users\Admin\AppData\Local\Temp\New_PO #1783919939-12-2022 RFQ Amended.exe
        "{path}"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:4020

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Scheduled Task

    1
    T1053

    Persistence

    Scheduled Task

    1
    T1053

    Privilege Escalation

    Scheduled Task

    1
    T1053

    Defense Evasion

    Credential Access

    Credentials in Files

    3
    T1081

    Discovery

    Query Registry

    1
    T1012

    System Information Discovery

    2
    T1082

    Lateral Movement

    Collection

    Data from Local System

    3
    T1005

    Email Collection

    1
    T1114

    Exfiltration

    Command and Control

    Impact

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\New_PO #1783919939-12-2022 RFQ Amended.exe.log
      Filesize

      1KB

      MD5

      84e77a587d94307c0ac1357eb4d3d46f

      SHA1

      83cc900f9401f43d181207d64c5adba7a85edc1e

      SHA256

      e16024b092a026a9dc00df69d4b9bbcab7b2dc178dc5291fc308a1abc9304a99

      SHA512

      aefb5c62200b3ed97718d20a89990954d4d8acdc0a6a73c5a420f1bba619cb79e70c2cd0a579b9f52dc6b09e1de2cea6cd6cac4376cfee92d94e2c01d310f691

      Download Submit
    • C:\Users\Admin\AppData\Local\Temp\tmpC8FD.tmp
      Filesize

      1KB

      MD5

      37abea630df2ab7fb23a190be0c68278

      SHA1

      71e4f36b373f12a7c658330460796905c0ab5244

      SHA256

      555343e08bbc875786be9caa06f664dc2ee3355885a603d60cce2f09af646130

      SHA512

      03b4fd4562f137fe49d3aaae383ad73d9c9bc1486d367e5d5f909031f685ecd3d792fc0c642a06d747f8d033713652593d8f2b7120cf48071bbc2cbe9e8dcbff

      Download Submit
    • memory/3148-139-0x0000000000000000-mapping.dmp
      Download
    • memory/3772-137-0x0000000000000000-mapping.dmp
      Download
    • memory/4020-141-0x0000000000400000-0x000000000042E000-memory.dmp
      Filesize

      184KB

      Download
    • memory/4020-140-0x0000000000000000-mapping.dmp
      Download
    • memory/4020-143-0x00000000055E0000-0x0000000005646000-memory.dmp
      Filesize

      408KB

      Download
    • memory/4020-144-0x00000000069F0000-0x0000000006A40000-memory.dmp
      Filesize

      320KB

      Download
    • memory/4820-136-0x0000000005390000-0x000000000539A000-memory.dmp
      Filesize

      40KB

      Download
    • memory/4820-135-0x0000000005450000-0x00000000054EC000-memory.dmp
      Filesize

      624KB

      Download
    • memory/4820-134-0x00000000052E0000-0x0000000005372000-memory.dmp
      Filesize

      584KB

      Download
    • memory/4820-132-0x0000000000870000-0x0000000000952000-memory.dmp
      Filesize

      904KB

      Download
    • memory/4820-133-0x0000000005960000-0x0000000005F04000-memory.dmp
      Filesize

      5.6MB

      Download