Analysis

  • max time kernel
    120s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    23-05-2024 01:24

General

  • Target

    2918185b0d3246ca8f4cc0b1378077e79e811f6a18b82537cc77e87c9f137a22.exe

  • Size

    849KB

  • MD5

    33bd447f35469eefb7fa6b11944e6ea0

  • SHA1

    061cf3ef699b00a04f08121e6b8607a408cf2f1c

  • SHA256

    2918185b0d3246ca8f4cc0b1378077e79e811f6a18b82537cc77e87c9f137a22

  • SHA512

    e1c09c044a81a569e7ff7c65d011c5adbc70a364a35cf413db78d44e7ff8844eedc76e55549b3f5d3ed87cc9fd18a106eaab9920961d08ef9a8e4d47b84ffd02

  • SSDEEP

    24576:53KWtb3BEL7jQxlNH3S63ooiTBD441D0xyed42V1su:/ZBELPCGmiTT1D0xPrV1D

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 1 IoCs

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

  • 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 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2918185b0d3246ca8f4cc0b1378077e79e811f6a18b82537cc77e87c9f137a22.exe
    "C:\Users\Admin\AppData\Local\Temp\2918185b0d3246ca8f4cc0b1378077e79e811f6a18b82537cc77e87c9f137a22.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2176
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\sTlOEa.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2656
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\sTlOEa" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7F7C.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3032
    • 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:2748

Network

MITRE ATT&CK Matrix ATT&CK v13

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Scheduled Task/Job

1
T1053

Persistence

Scheduled Task/Job

1
T1053

Privilege Escalation

Scheduled Task/Job

1
T1053

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp7F7C.tmp
    Filesize

    1KB

    MD5

    2770d7c3a8a07b745e2a673832561e03

    SHA1

    557aa26814a7fc70d2f5045a43f10e1026461770

    SHA256

    ee1468ecca7e0f77dc80796d190d92c8bec5753e8037a1d6276c3dfbf039fd8b

    SHA512

    948e3d3d672859b395e013932f482dad13039f3ae615891ca5b0bdb73d914158f39901fd2835480960e6724e089a71b710d5e940639aa81ea155ddd2d6826ce8

  • memory/2176-14-0x000000007442E000-0x000000007442F000-memory.dmp
    Filesize

    4KB

  • memory/2176-5-0x00000000004D0000-0x00000000004E0000-memory.dmp
    Filesize

    64KB

  • memory/2176-27-0x0000000074420000-0x0000000074B0E000-memory.dmp
    Filesize

    6.9MB

  • memory/2176-4-0x00000000003A0000-0x00000000003AC000-memory.dmp
    Filesize

    48KB

  • memory/2176-0-0x000000007442E000-0x000000007442F000-memory.dmp
    Filesize

    4KB

  • memory/2176-6-0x0000000004B10000-0x0000000004B92000-memory.dmp
    Filesize

    520KB

  • memory/2176-1-0x00000000010E0000-0x00000000011B8000-memory.dmp
    Filesize

    864KB

  • memory/2176-2-0x0000000074420000-0x0000000074B0E000-memory.dmp
    Filesize

    6.9MB

  • memory/2176-3-0x00000000004B0000-0x00000000004D2000-memory.dmp
    Filesize

    136KB

  • memory/2748-26-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2748-17-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2748-25-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2748-24-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2748-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
    Filesize

    4KB

  • memory/2748-21-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2748-19-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2748-16-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB