Overview

overview

10

Static

static

731104 A- ...rm.exe

windows7_x64

10

731104 A- ...rm.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    158s
  • max time network
    165s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 00:20

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General

  • Target

    731104 A- Billing form.exe

  • Size

    816KB

  • MD5

    6e19e0712ae1e6d81d941842325a7ed9

  • SHA1

    88cf0f0b24cae2ed9827193bc160b6b18fb6e816

  • SHA256

    14eba8c7f68656e758892f4e97c02ea85f38b14fa36145d3aca2c5bfa91e712f

  • SHA512

    7c9ed9074981feeff5fb3762ac769f011dfaff353f0e3a800804ddf42affdfe2336c97817f64d1e83969e88f4147b82e9c675bd336356c874c762a27d4bf3bb4

Score
10/10
agentteslacollectionkeyloggerspywarestealertrojan

Malware Config

Extracted

Credentials

  • Protocol:     smtp
  • Host:
    mail.radiomeff.mk
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    qazwsx@11

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    mail.radiomeff.mk
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    qazwsx@11

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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\731104 A- Billing form.exe
    "C:\Users\Admin\AppData\Local\Temp\731104 A- Billing form.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4088
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\SapOcOoIdohNWz" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB527.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:640
    • C:\Users\Admin\AppData\Local\Temp\731104 A- Billing form.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:2844
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" wlan show profile
        3⤵
          PID:1520

    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\731104 A- Billing form.exe.log
      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

      Download Submit
    • C:\Users\Admin\AppData\Local\Temp\tmpB527.tmp
      Filesize

      1KB

      MD5

      81465f41ef68dd354ff6d43140746070

      SHA1

      98084cb6fd011b5978578d9a1006a542d702f2b7

      SHA256

      ad2fb4167400a4e359df72e54f691f2fa07fc0e5d371884385b1d5cf519eb99c

      SHA512

      2d24ac84ea1c05b290d21c1f5ed281d2a0435d634d5e3896baaea40a145c42c4d0a8b9714b00ca8181ce823a5d840520ed15fc4a84e84d2c97d26bd1adcf0476

      Download Submit
    • memory/640-135-0x0000000000000000-mapping.dmp
      Download
    • memory/1520-142-0x0000000000000000-mapping.dmp
      Download
    • memory/2844-137-0x0000000000000000-mapping.dmp
      Download
    • memory/2844-138-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

      Download
    • memory/2844-140-0x0000000005FA0000-0x0000000006006000-memory.dmp
      Filesize

      408KB

      Download
    • memory/2844-141-0x0000000006C60000-0x0000000006CB0000-memory.dmp
      Filesize

      320KB

      Download
    • memory/4088-132-0x00000000059A0000-0x0000000005A32000-memory.dmp
      Filesize

      584KB

      Download
    • memory/4088-133-0x0000000005920000-0x000000000592A000-memory.dmp
      Filesize

      40KB

      Download
    • memory/4088-134-0x0000000009240000-0x00000000092DC000-memory.dmp
      Filesize

      624KB

      Download
    • memory/4088-130-0x0000000000FF0000-0x00000000010BE000-memory.dmp
      Filesize

      824KB

      Download
    • memory/4088-131-0x0000000005EB0000-0x0000000006454000-memory.dmp
      Filesize

      5.6MB

      Download