Analysis

  • max time kernel
    133s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-05-2024 14:50

General

  • Target

    52adc27e384cb4ae0d0e096792526ca660f8b2a42e60d69ffd44e67def0fcf12.exe

  • Size

    748KB

  • MD5

    a7666685c69267f2f9108e319cd0cd38

  • SHA1

    feac316461451bcaf6a64ea92217ad8046808844

  • SHA256

    52adc27e384cb4ae0d0e096792526ca660f8b2a42e60d69ffd44e67def0fcf12

  • SHA512

    49ad3a8d3a2ebf64c9feaddf916c2c20466bc355116177c81eaf045b251a2e034154832f60b9d40cde2b919e9d818bef3fc97588f95ab455af3971d823a1ddf0

  • SSDEEP

    12288:Tzln6yWn7fcpVZlu/6uHKbRLj4+62FGPstWYfMXmxk5QI7O/125khKzwcY+Dw3:Nn698VVYeLL62F0+WGam2qnUkwzwcQ

Malware Config

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.

  • 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).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\52adc27e384cb4ae0d0e096792526ca660f8b2a42e60d69ffd44e67def0fcf12.exe
    "C:\Users\Admin\AppData\Local\Temp\52adc27e384cb4ae0d0e096792526ca660f8b2a42e60d69ffd44e67def0fcf12.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1800
    • 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\52adc27e384cb4ae0d0e096792526ca660f8b2a42e60d69ffd44e67def0fcf12.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:544
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\YbgpVCrkLOfji.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3232
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YbgpVCrkLOfji" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7E48.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3720
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1576

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

    37c90d696261eafdb6b3b306751b8057

    SHA1

    919cec876f293d0a8f3cf84e56ef322ba2733dec

    SHA256

    00f6b41e64232978dc5f7a88ef19818d601388e015f5cfccad23dd13b58e0ec1

    SHA512

    a4a47032e76d4ee8c9c7da1949ec71fb79fc1cf3fc31849e6426372f0178922f059f12d9bbeb44cfe320e8069f66405a3c3e92cf62ce609c9348f7764a23d976

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_avfsigph.sti.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp7E48.tmp

    Filesize

    1KB

    MD5

    d8d94a75ff4d7f192f6352a8328307be

    SHA1

    07c729b25afef50d3db521b1436411f43a044c49

    SHA256

    d66b00e371049e84980b645ec91fee6133ff8818008e1d719e1f1169944421b7

    SHA512

    ae287047d09dc78c324ff696533b7a36a947e0960547cbd944f84c91b22ed2eb2ba264f667c467bd18929b5c931b3a54807b560916a991909cd6716382d9e7ad

  • memory/544-76-0x0000000007790000-0x000000000779A000-memory.dmp

    Filesize

    40KB

  • memory/544-66-0x0000000007720000-0x000000000773A000-memory.dmp

    Filesize

    104KB

  • memory/544-50-0x0000000006420000-0x000000000646C000-memory.dmp

    Filesize

    304KB

  • memory/544-89-0x00000000747A0000-0x0000000074F50000-memory.dmp

    Filesize

    7.7MB

  • memory/544-82-0x0000000007A40000-0x0000000007A48000-memory.dmp

    Filesize

    32KB

  • memory/544-80-0x0000000007960000-0x0000000007974000-memory.dmp

    Filesize

    80KB

  • memory/544-79-0x0000000007950000-0x000000000795E000-memory.dmp

    Filesize

    56KB

  • memory/544-15-0x0000000004E30000-0x0000000004E66000-memory.dmp

    Filesize

    216KB

  • memory/544-16-0x00000000747A0000-0x0000000074F50000-memory.dmp

    Filesize

    7.7MB

  • memory/544-17-0x00000000054A0000-0x0000000005AC8000-memory.dmp

    Filesize

    6.2MB

  • memory/544-49-0x00000000063D0000-0x00000000063EE000-memory.dmp

    Filesize

    120KB

  • memory/544-77-0x00000000079A0000-0x0000000007A36000-memory.dmp

    Filesize

    600KB

  • memory/544-64-0x0000000007D60000-0x00000000083DA000-memory.dmp

    Filesize

    6.5MB

  • memory/544-62-0x00000000069C0000-0x00000000069DE000-memory.dmp

    Filesize

    120KB

  • memory/544-22-0x0000000005DB0000-0x0000000005E16000-memory.dmp

    Filesize

    408KB

  • memory/544-20-0x0000000005440000-0x0000000005462000-memory.dmp

    Filesize

    136KB

  • memory/544-21-0x0000000005D40000-0x0000000005DA6000-memory.dmp

    Filesize

    408KB

  • memory/544-51-0x00000000073A0000-0x00000000073D2000-memory.dmp

    Filesize

    200KB

  • memory/544-33-0x0000000005E20000-0x0000000006174000-memory.dmp

    Filesize

    3.3MB

  • memory/544-36-0x00000000747A0000-0x0000000074F50000-memory.dmp

    Filesize

    7.7MB

  • memory/544-18-0x00000000747A0000-0x0000000074F50000-memory.dmp

    Filesize

    7.7MB

  • memory/544-52-0x0000000070E70000-0x0000000070EBC000-memory.dmp

    Filesize

    304KB

  • memory/544-63-0x00000000073E0000-0x0000000007483000-memory.dmp

    Filesize

    652KB

  • memory/1576-35-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1576-90-0x0000000006CE0000-0x0000000006D30000-memory.dmp

    Filesize

    320KB

  • memory/1800-4-0x0000000004F30000-0x0000000004F3A000-memory.dmp

    Filesize

    40KB

  • memory/1800-8-0x0000000004920000-0x0000000004930000-memory.dmp

    Filesize

    64KB

  • memory/1800-7-0x0000000005250000-0x000000000525C000-memory.dmp

    Filesize

    48KB

  • memory/1800-6-0x0000000005230000-0x0000000005252000-memory.dmp

    Filesize

    136KB

  • memory/1800-3-0x0000000004FB0000-0x0000000005042000-memory.dmp

    Filesize

    584KB

  • memory/1800-1-0x00000000005C0000-0x000000000067E000-memory.dmp

    Filesize

    760KB

  • memory/1800-48-0x00000000747A0000-0x0000000074F50000-memory.dmp

    Filesize

    7.7MB

  • memory/1800-0-0x00000000747AE000-0x00000000747AF000-memory.dmp

    Filesize

    4KB

  • memory/1800-5-0x00000000747A0000-0x0000000074F50000-memory.dmp

    Filesize

    7.7MB

  • memory/1800-2-0x0000000005560000-0x0000000005B04000-memory.dmp

    Filesize

    5.6MB

  • memory/1800-10-0x0000000006750000-0x00000000067EC000-memory.dmp

    Filesize

    624KB

  • memory/1800-9-0x0000000006630000-0x00000000066B2000-memory.dmp

    Filesize

    520KB

  • memory/3232-65-0x0000000070E70000-0x0000000070EBC000-memory.dmp

    Filesize

    304KB

  • memory/3232-81-0x0000000007400000-0x000000000741A000-memory.dmp

    Filesize

    104KB

  • memory/3232-78-0x00000000072C0000-0x00000000072D1000-memory.dmp

    Filesize

    68KB

  • memory/3232-28-0x00000000747A0000-0x0000000074F50000-memory.dmp

    Filesize

    7.7MB

  • memory/3232-38-0x00000000747A0000-0x0000000074F50000-memory.dmp

    Filesize

    7.7MB

  • memory/3232-88-0x00000000747A0000-0x0000000074F50000-memory.dmp

    Filesize

    7.7MB

  • memory/3232-34-0x00000000747A0000-0x0000000074F50000-memory.dmp

    Filesize

    7.7MB