Overview

overview

10

Static

static

3

8bc8b49458...c7.exe

windows7-x64

10

8bc8b49458...c7.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/08/2024, 21:11

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General

  • Target

    8bc8b49458d5fb7d228bb2541189e2de7122f6819087c7eb00fcf215bdcaf7c7.exe

  • Size

    455KB

  • MD5

    3cb174f4e9e4b44c8360597692bc259c

  • SHA1

    723d56d0072e09eafe242c050a9f0cc422b92ee0

  • SHA256

    8bc8b49458d5fb7d228bb2541189e2de7122f6819087c7eb00fcf215bdcaf7c7

  • SHA512

    00a382f11ff2ceaf7de3555597a95a1faa8a2cb78f7c8fe461db1dee9f1c93ad4a2e47bc071ae5d819006246e62405d2f1f153457bab84bf5f1cb748e5d7075c

  • SSDEEP

    6144:bdcZ430nBPewKZ50Qg/gypH8sh1CHreDbUL4Vp/RX6F/937MwY0uUYY0SA:bdKswKZCQgoKHvCreDbULORqZtMwYb7

Score
10/10
agenttesladiscoveryevasionkeyloggerspywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    mail.privateemail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    ValSta@34zzz

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla payload 1 IoCs
  • Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
    evasion
  • Looks for VMWare Tools registry key 2 TTPs 1 IoCs
    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.

  • 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).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

    persistenceexecution
  • Suspicious behavior: EnumeratesProcesses 28 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8bc8b49458d5fb7d228bb2541189e2de7122f6819087c7eb00fcf215bdcaf7c7.exe
    "C:\Users\Admin\AppData\Local\Temp\8bc8b49458d5fb7d228bb2541189e2de7122f6819087c7eb00fcf215bdcaf7c7.exe"
    1⤵
    • Looks for VirtualBox Guest Additions in registry
    • Looks for VMWare Tools registry key
    • Checks BIOS information in registry
    • Checks computer location settings
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1432
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\iCEiPbgmtrby" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFD2D.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2640
    • C:\Users\Admin\AppData\Local\Temp\8bc8b49458d5fb7d228bb2541189e2de7122f6819087c7eb00fcf215bdcaf7c7.exe
      "C:\Users\Admin\AppData\Local\Temp\8bc8b49458d5fb7d228bb2541189e2de7122f6819087c7eb00fcf215bdcaf7c7.exe"
      2⤵
        PID:2840
      • C:\Users\Admin\AppData\Local\Temp\8bc8b49458d5fb7d228bb2541189e2de7122f6819087c7eb00fcf215bdcaf7c7.exe
        "C:\Users\Admin\AppData\Local\Temp\8bc8b49458d5fb7d228bb2541189e2de7122f6819087c7eb00fcf215bdcaf7c7.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4044

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\8bc8b49458d5fb7d228bb2541189e2de7122f6819087c7eb00fcf215bdcaf7c7.exe.log
      Filesize

      1KB

      MD5

      e08f822522c617a40840c62e4b0fb45e

      SHA1

      ae516dca4da5234be6676d3f234c19ec55725be7

      SHA256

      bd9d5e9f7fe6fcff17d873555d4077d15f7d6cdda1183e7f7d278b735ffe1fd7

      SHA512

      894a7fb7bbc18ac6ba13378f58a7db80ad00d6080be9a66b01cae8e23e41d9d2d4cd53c1e20669356b73590c8a3ebfda4bdda3258f81240db56c4a81b7313fe4

      Download Submit

    • memory/1432-10-0x0000000006BE0000-0x0000000006C40000-memory.dmp

      Filesize

      384KB

      Download

    • memory/1432-11-0x0000000001290000-0x00000000012F6000-memory.dmp

      Filesize

      408KB

      Download

    • memory/1432-3-0x00000000054E0000-0x0000000005572000-memory.dmp

      Filesize

      584KB

      Download

    • memory/1432-0-0x00000000745FE000-0x00000000745FF000-memory.dmp

      Filesize

      4KB

      Download

    • memory/1432-5-0x00000000745F0000-0x0000000074DA0000-memory.dmp

      Filesize

      7.7MB

      Download

    • memory/1432-6-0x0000000006C40000-0x0000000006CDC000-memory.dmp

      Filesize

      624KB

      Download

    • memory/1432-7-0x0000000005B70000-0x0000000005B7E000-memory.dmp

      Filesize

      56KB

      Download

    • memory/1432-8-0x00000000745FE000-0x00000000745FF000-memory.dmp

      Filesize

      4KB

      Download

    • memory/1432-2-0x0000000005B80000-0x0000000006124000-memory.dmp

      Filesize

      5.6MB

      Download

    • memory/1432-9-0x00000000745F0000-0x0000000074DA0000-memory.dmp

      Filesize

      7.7MB

      Download

    • memory/1432-4-0x00000000055B0000-0x00000000055BA000-memory.dmp

      Filesize

      40KB

      Download

    • memory/1432-21-0x00000000745F0000-0x0000000074DA0000-memory.dmp

      Filesize

      7.7MB

      Download

    • memory/1432-1-0x0000000000A80000-0x0000000000AF8000-memory.dmp

      Filesize

      480KB

      Download

    • memory/4044-20-0x00000000745F0000-0x0000000074DA0000-memory.dmp

      Filesize

      7.7MB

      Download

    • memory/4044-17-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

      Download

    • memory/4044-22-0x00000000745F0000-0x0000000074DA0000-memory.dmp

      Filesize

      7.7MB

      Download

    • memory/4044-23-0x0000000006260000-0x0000000006278000-memory.dmp

      Filesize

      96KB

      Download

    • memory/4044-24-0x00000000745F0000-0x0000000074DA0000-memory.dmp

      Filesize

      7.7MB

      Download

    • memory/4044-25-0x00000000745F0000-0x0000000074DA0000-memory.dmp

      Filesize

      7.7MB

      Download