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Analysis

  • max time kernel
    137s
  • max time network
    209s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240910-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/10/2024, 15:06

General

  • Target

    Solicitud de cotización.exe

  • Size

    731KB

  • MD5

    1693e79081117555d46a671b4b4c3532

  • SHA1

    d85a0dd36c34831ecf68796e0a73b7c54cf7758e

  • SHA256

    bec624a82730dac5bd2b6d5c16ebb5cf6e1252867b93cc16154c1ad78a1fdad9

  • SHA512

    4325c353bc873ba1e466c39aa57825b74a88982d62ccbd448a070ab0636d4c6f9f61739455c3383642ab027f951e91a4872c063cef174d57a20244d07e1e2b7c

  • SSDEEP

    12288:OLKZ0D86dsmXK5cTz10RQOUSjYv0CPJulENpfRbVsdlYxUybOCcB5zWH3qMu4UXd:OQ0D866T5VRQOtYvjPJulQRRRsbYxUyk

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.privateemail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    payment1759

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • 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 5 IoCs

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

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

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

  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Solicitud de cotización.exe
    "C:\Users\Admin\AppData\Local\Temp\Solicitud de cotización.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4856
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Solicitud de cotización.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5072
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\jPHTNJZVuRsaE.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1088
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jPHTNJZVuRsaE" /XML "C:\Users\Admin\AppData\Local\Temp\tmp21AC.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:1008
    • C:\Users\Admin\AppData\Local\Temp\Solicitud de cotización.exe
      "C:\Users\Admin\AppData\Local\Temp\Solicitud de cotización.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3216

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    2KB

    MD5

    3d086a433708053f9bf9523e1d87a4e8

    SHA1

    b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

    SHA256

    6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

    SHA512

    931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    18KB

    MD5

    21cdfa9c148b65d484603bf59e77a7aa

    SHA1

    f493b409f932d5c11651527cd1665c0aa515f5b5

    SHA256

    a4de4a0aa6852e0e552b3d3741e329a79225a9d70816610c1456d1fef4849f21

    SHA512

    e58e5ede3f58ae488b3370d9d10764088ebde736b357db47b3e8d5c1bb74cc0e6d42a3227782f16120ac00ff56e3aab9fb6bfc0adaec5719471badcedf94b072

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_p1qvx035.b4u.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp21AC.tmp

    Filesize

    1KB

    MD5

    f9f6de6a1f9a50dcb6ae892f7c055b52

    SHA1

    bb24942fb690f71fea3d12448cfa0648fa7e9cd2

    SHA256

    a022949e3cfca5ebcf5b8b3dfa85a7a33b6a812ae155e118bb8e2cd23440da64

    SHA512

    4932c9fba054e237d0e805915483b134fb81cbc87fa0436e125415f9b4b8ebb8d0f4b639ff199744a6123f8271e5867401b189c9ba1fc57e55036f9bbfe05068

  • memory/1088-76-0x00000000074B0000-0x00000000074BA000-memory.dmp

    Filesize

    40KB

  • memory/1088-75-0x0000000007430000-0x000000000744A000-memory.dmp

    Filesize

    104KB

  • memory/1088-23-0x0000000074E80000-0x0000000075630000-memory.dmp

    Filesize

    7.7MB

  • memory/1088-88-0x0000000074E80000-0x0000000075630000-memory.dmp

    Filesize

    7.7MB

  • memory/1088-81-0x0000000007770000-0x000000000778A000-memory.dmp

    Filesize

    104KB

  • memory/1088-79-0x0000000007660000-0x000000000766E000-memory.dmp

    Filesize

    56KB

  • memory/1088-77-0x00000000076B0000-0x0000000007746000-memory.dmp

    Filesize

    600KB

  • memory/1088-22-0x0000000074E80000-0x0000000075630000-memory.dmp

    Filesize

    7.7MB

  • memory/1088-51-0x00000000070F0000-0x0000000007122000-memory.dmp

    Filesize

    200KB

  • memory/1088-52-0x0000000071630000-0x000000007167C000-memory.dmp

    Filesize

    304KB

  • memory/1088-72-0x0000000006670000-0x000000000668E000-memory.dmp

    Filesize

    120KB

  • memory/1088-50-0x00000000066C0000-0x000000000670C000-memory.dmp

    Filesize

    304KB

  • memory/1088-21-0x0000000074E80000-0x0000000075630000-memory.dmp

    Filesize

    7.7MB

  • memory/1088-49-0x0000000006120000-0x000000000613E000-memory.dmp

    Filesize

    120KB

  • memory/3216-27-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/3216-90-0x0000000006C80000-0x0000000006CD0000-memory.dmp

    Filesize

    320KB

  • memory/4856-5-0x0000000074E80000-0x0000000075630000-memory.dmp

    Filesize

    7.7MB

  • memory/4856-9-0x0000000074E80000-0x0000000075630000-memory.dmp

    Filesize

    7.7MB

  • memory/4856-6-0x0000000004C70000-0x0000000004D0C000-memory.dmp

    Filesize

    624KB

  • memory/4856-1-0x00000000000A0000-0x000000000015C000-memory.dmp

    Filesize

    752KB

  • memory/4856-48-0x0000000074E80000-0x0000000075630000-memory.dmp

    Filesize

    7.7MB

  • memory/4856-3-0x0000000004B10000-0x0000000004BA2000-memory.dmp

    Filesize

    584KB

  • memory/4856-7-0x0000000004D70000-0x0000000004D8A000-memory.dmp

    Filesize

    104KB

  • memory/4856-4-0x0000000004B00000-0x0000000004B0A000-memory.dmp

    Filesize

    40KB

  • memory/4856-2-0x0000000005220000-0x00000000057C4000-memory.dmp

    Filesize

    5.6MB

  • memory/4856-8-0x0000000074E8E000-0x0000000074E8F000-memory.dmp

    Filesize

    4KB

  • memory/4856-10-0x0000000006090000-0x0000000006112000-memory.dmp

    Filesize

    520KB

  • memory/4856-0-0x0000000074E8E000-0x0000000074E8F000-memory.dmp

    Filesize

    4KB

  • memory/5072-80-0x00000000078E0000-0x00000000078F4000-memory.dmp

    Filesize

    80KB

  • memory/5072-62-0x0000000071630000-0x000000007167C000-memory.dmp

    Filesize

    304KB

  • memory/5072-74-0x0000000007CE0000-0x000000000835A000-memory.dmp

    Filesize

    6.5MB

  • memory/5072-15-0x0000000002A60000-0x0000000002A96000-memory.dmp

    Filesize

    216KB

  • memory/5072-18-0x0000000074E80000-0x0000000075630000-memory.dmp

    Filesize

    7.7MB

  • memory/5072-17-0x0000000005540000-0x0000000005B68000-memory.dmp

    Filesize

    6.2MB

  • memory/5072-73-0x0000000007370000-0x0000000007413000-memory.dmp

    Filesize

    652KB

  • memory/5072-78-0x00000000078A0000-0x00000000078B1000-memory.dmp

    Filesize

    68KB

  • memory/5072-16-0x0000000074E80000-0x0000000075630000-memory.dmp

    Filesize

    7.7MB

  • memory/5072-26-0x0000000005D50000-0x0000000005DB6000-memory.dmp

    Filesize

    408KB

  • memory/5072-82-0x00000000079C0000-0x00000000079C8000-memory.dmp

    Filesize

    32KB

  • memory/5072-19-0x0000000074E80000-0x0000000075630000-memory.dmp

    Filesize

    7.7MB

  • memory/5072-89-0x0000000074E80000-0x0000000075630000-memory.dmp

    Filesize

    7.7MB

  • memory/5072-24-0x00000000054B0000-0x00000000054D2000-memory.dmp

    Filesize

    136KB

  • memory/5072-36-0x0000000005DC0000-0x0000000006114000-memory.dmp

    Filesize

    3.3MB

  • memory/5072-25-0x0000000005CE0000-0x0000000005D46000-memory.dmp

    Filesize

    408KB