Overview

overview

10

Static

static

Invitation...nt.exe

windows7_x64

10

Invitation...nt.exe

windows10-2004_x64

10

RFQ Sinope...ct.exe

windows7_x64

10

RFQ Sinope...ct.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    96s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    20-05-2022 23:35

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General

  • Target

    Invitation to Bid Document.exe

  • Size

    587KB

  • MD5

    56c28a5e5db8741f23931e28b8a27a7b

  • SHA1

    355ede2c4f0cc58d4767ca3878b9ce52c3b46fa3

  • SHA256

    83eff9827c853adff940f77bff9e516f0ef9e5865f04d0e02572ee8b0051b720

  • SHA512

    421aa9339e69aa54eabeef9aad66f0462fc0059f06c694d76cef6685b242ab834e15161319f4c5f0c702deb2981987f806fd5d5a35b0b7158169539d98b9fccb

Score
10/10
agentteslacollectionkeyloggerspywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    smtp.greenhornechem.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    ^fpNyGmQa2

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla Payload 1 IoCs
  • 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
  • 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 4 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\Invitation to Bid Document.exe
    "C:\Users\Admin\AppData\Local\Temp\Invitation to Bid Document.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3836
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qvwvvTwinZttPS" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4DA3.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2640
    • C:\Users\Admin\AppData\Local\Temp\Invitation to Bid Document.exe
      "{path}"
      2⤵
        PID:3932
      • C:\Users\Admin\AppData\Local\Temp\Invitation to Bid Document.exe
        "{path}"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:4552

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Invitation to Bid Document.exe.log
      Filesize

      507B

      MD5

      ab4c71d3ff6255edd4e5c1e09540f49e

      SHA1

      22e06bf4e258741b5df918061871cba998c50cea

      SHA256

      1690fec628f775dd3c3385b800eed126b37978ef2ffd592b024052724caafb5a

      SHA512

      8fa7d0045796e6cda7c28e2b9a690ef550619828c1b5d0ebf8e8367aff4bf4d9f63121e5b4f199d30cb8006eb584c6767f4c59150749b8256dab9dd0ebd9f1af

      Download Submit
    • C:\Users\Admin\AppData\Local\Temp\tmp4DA3.tmp
      Filesize

      1KB

      MD5

      6a4863826ba51c83f9cf0e447a69e3b9

      SHA1

      ce6cc42410cbb7e46a37c6c46849455e9db31126

      SHA256

      9a8ee389ab85193bf6c642161672ef4099d896b317521ceb169796c509529d34

      SHA512

      d1f7f743aeb5528b7a5d1ea01f01f16b82f2599499295dcffb71f76addc221319b3400032294d6071fd9dac34c7a31cdc0676963aacfdd0791dce07e326ec53c

      Download Submit
    • memory/2640-134-0x0000000000000000-mapping.dmp
      Download
    • memory/3836-133-0x0000000005FF0000-0x0000000006594000-memory.dmp
      Filesize

      5.6MB

      Download
    • memory/3836-130-0x0000000000A30000-0x0000000000ACA000-memory.dmp
      Filesize

      616KB

      Download
    • memory/3836-132-0x00000000054A0000-0x0000000005532000-memory.dmp
      Filesize

      584KB

      Download
    • memory/3836-131-0x0000000005330000-0x00000000053CC000-memory.dmp
      Filesize

      624KB

      Download
    • memory/3932-136-0x0000000000000000-mapping.dmp
      Download
    • memory/4552-137-0x0000000000000000-mapping.dmp
      Download
    • memory/4552-138-0x0000000000400000-0x000000000044C000-memory.dmp
      Filesize

      304KB

      Download
    • memory/4552-140-0x0000000006230000-0x0000000006296000-memory.dmp
      Filesize

      408KB

      Download
    • memory/4552-141-0x00000000068A0000-0x00000000068F0000-memory.dmp
      Filesize

      320KB

      Download
    • memory/4552-142-0x0000000006BB0000-0x0000000006BBA000-memory.dmp
      Filesize

      40KB

      Download