Overview

overview

10

Static

static

copy of de...te.exe

windows7_x64

10

copy of de...te.exe

windows10_x64

10

Analysis

  • max time kernel
    133s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    26-07-2021 06:54

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General

  • Target

    copy of declaration certificate & Tan lette.exe

  • Size

    1.6MB

  • MD5

    6670c19ddf28b94dc9832ef37a4b976f

  • SHA1

    6e6116fca5d75635c5906ed87db698fad545f087

  • SHA256

    13d90261f73ecaa7455ccdaf16de6d96b122e8829cbf0ffe84ab89fc2cf4cad2

  • SHA512

    979a3fb7ca18acba12a8c71d0893bc447826bfd4f1a7a6d13683c6ef00b315df4945e6a4cdf6da62c7a13a64c5aa56705c689e2847e7a267c592c0e48c55c35c

Score
10/10
agentteslakeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    server291.web-hosting.com
  • Port:
    587
  • Username:
    ikmero@crestftb.com
  • Password:
    riches22@123456

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla Payload 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • 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 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\copy of declaration certificate & Tan lette.exe
    "C:\Users\Admin\AppData\Local\Temp\copy of declaration certificate & Tan lette.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1652
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\Ouvuudly" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3A81.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:524
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
        PID:1636
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        2⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1468

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Scheduled Task

    1
    T1053

    Persistence

    Registry Run Keys / Startup Folder

    1
    T1060

    Scheduled Task

    1
    T1053

    Privilege Escalation

    Scheduled Task

    1
    T1053

    Defense Evasion

    Modify Registry

    1
    T1112

    Credential Access

    Discovery

    System Information Discovery

    1
    T1082

    Lateral Movement

    Collection

    Exfiltration

    Command and Control

    Impact

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp3A81.tmp
      MD5

      3abf0e5b98652c951b8f3c7b9d3daa4c

      SHA1

      ea89c737fb88fcbd7c9ceebd909bedcc71c30f1f

      SHA256

      368973369b561ff04f72e724862ee060af0924a86acdba343bc199dc0aece92a

      SHA512

      b8d7c4b78547eb27ba827b2da800e587af1b66baa51b3121300352ec05d2222c7675a1b8e7dc363ac26bed099fe843dd42a3ef4f1a4bbe97f1a986d4675b96ff

      Download Submit
    • memory/524-65-0x0000000000000000-mapping.dmp
      Download
    • memory/1468-67-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

      Download
    • memory/1468-68-0x000000000043749E-mapping.dmp
      Download
    • memory/1468-69-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

      Download
    • memory/1468-71-0x0000000004930000-0x0000000004931000-memory.dmp
      Filesize

      4KB

      Download
    • memory/1652-59-0x0000000000040000-0x0000000000041000-memory.dmp
      Filesize

      4KB

      Download
    • memory/1652-61-0x0000000004E20000-0x0000000004E21000-memory.dmp
      Filesize

      4KB

      Download
    • memory/1652-62-0x00000000005C0000-0x00000000005ED000-memory.dmp
      Filesize

      180KB

      Download
    • memory/1652-63-0x0000000005850000-0x00000000058C2000-memory.dmp
      Filesize

      456KB

      Download
    • memory/1652-64-0x0000000000C60000-0x0000000000C99000-memory.dmp
      Filesize

      228KB

      Download