Overview

overview

10

Static

static

9

Import_GAM...AY.exe

windows7_x64

10

Import_GAM...AY.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    122s
  • max time network
    160s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 02:57

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General

  • Target

    Import_GAMCX027710SYD_19MAY.exe

  • Size

    474KB

  • MD5

    0b3ec06021b9aab8ad5b86b5d9572845

  • SHA1

    2eab85a2d0f9fddaf519d986d24ed038c4a8bc8b

  • SHA256

    5832c5ab1d0aedc5c36d6f3146826dd3570c8b7c8434120dfc1972631e54f533

  • SHA512

    e32c49b962aa34734293d630f200d6d49c2632114102de53ab24b14270210b36df625d040c8149f59483ec351d9bd454117d37a3b425028e0c83fade45686de7

Score
10/10
agentteslacollectionevasionkeyloggerspywarestealertrojan

Malware Config

Extracted

Credentials

  • Protocol:     smtp
  • Host:
    mail.karmachalets.co.in
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Akshya@123

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    mail.karmachalets.co.in
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Akshya@123

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla Payload 1 IoCs
  • CoreCCC Packer 1 IoCs

    Detects CoreCCC packer used to load .NET malware.

  • Looks for VirtualBox Guest Additions in registry 2 TTPs
    evasion
  • Looks for VMWare Tools registry key 2 TTPs
    evasion
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • 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
  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • 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 WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Import_GAMCX027710SYD_19MAY.exe
    "C:\Users\Admin\AppData\Local\Temp\Import_GAMCX027710SYD_19MAY.exe"
    1⤵
    • Checks BIOS information in registry
    • Checks computer location settings
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1424
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\hugaxKdEvlLGx" /XML "C:\Users\Admin\AppData\Local\Temp\tmp32E7.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1340
    • C:\Users\Admin\AppData\Local\Temp\Import_GAMCX027710SYD_19MAY.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:3428
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" wlan show profile
        3⤵
          PID:5064

    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

    Virtualization/Sandbox Evasion

    2
    T1497

    Credential Access

    Credentials in Files

    3
    T1081

    Discovery

    Query Registry

    5
    T1012

    Virtualization/Sandbox Evasion

    2
    T1497

    System Information Discovery

    4
    T1082

    Peripheral Device Discovery

    1
    T1120

    Lateral Movement

    Collection

    Data from Local System

    3
    T1005

    Email Collection

    1
    T1114

    Exfiltration

    Command and Control

    Impact

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp32E7.tmp
      Filesize

      1KB

      MD5

      bdb20f84edc540b9ac602a6448c972b1

      SHA1

      8be9e2b5f097f96f672a42f71182386fe67ec953

      SHA256

      d7e210c9d4b08d8c1cdddcf68d3e384f2f369d009762c43a81d77b3686769cdf

      SHA512

      024c93de15a6360839553c912d624cb4f9af265190b83d236f5730dc2876cb31b82a5065db2baba802354e91c9c3ebae8586c46b1bbda4c3872c07453761b2b6

      Download Submit
    • memory/1340-136-0x0000000000000000-mapping.dmp
      Download
    • memory/1424-130-0x0000000000150000-0x00000000001CC000-memory.dmp
      Filesize

      496KB

      Download
    • memory/1424-131-0x0000000005120000-0x00000000056C4000-memory.dmp
      Filesize

      5.6MB

      Download
    • memory/1424-132-0x0000000004B70000-0x0000000004C02000-memory.dmp
      Filesize

      584KB

      Download
    • memory/1424-133-0x0000000004D30000-0x0000000004D3A000-memory.dmp
      Filesize

      40KB

      Download
    • memory/1424-134-0x0000000008660000-0x00000000086FC000-memory.dmp
      Filesize

      624KB

      Download
    • memory/1424-135-0x0000000008800000-0x0000000008866000-memory.dmp
      Filesize

      408KB

      Download
    • memory/3428-138-0x0000000000000000-mapping.dmp
      Download
    • memory/3428-139-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

      Download
    • memory/3428-141-0x00000000069B0000-0x0000000006A00000-memory.dmp
      Filesize

      320KB

      Download
    • memory/5064-140-0x0000000000000000-mapping.dmp
      Download