Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    21-05-2024 01:31

General

  • Target

    e9179050793d5e9467c280abf4f8abaec6a51fb62bfb1c66ddeb66d914e11ef9.exe

  • Size

    759KB

  • MD5

    37ac289a2b3e0028598ce8750b27fbb1

  • SHA1

    560d89f9e15c57e3c74a149cba9cb8e476d91818

  • SHA256

    e9179050793d5e9467c280abf4f8abaec6a51fb62bfb1c66ddeb66d914e11ef9

  • SHA512

    f5094b82246ea65c0d9ad1cfa9b5b1882e0dc0eb593a87dfa5b9c0ecebf1abe8c27c7f5b9631864a8ca8c53f716d6d89c830fa3aee8999ca59583486a14f35e5

  • SSDEEP

    12288:iI0WET/mr9K+22BEEzFatnQ5eHN2SEOeJbrGiZQUzvn4Pit0eGwW1eDUp5Up2:gWtb3BEwSaJbrtn4at0eGxZpWQ

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.

  • 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 2 TTPs

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

  • 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e9179050793d5e9467c280abf4f8abaec6a51fb62bfb1c66ddeb66d914e11ef9.exe
    "C:\Users\Admin\AppData\Local\Temp\e9179050793d5e9467c280abf4f8abaec6a51fb62bfb1c66ddeb66d914e11ef9.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2156
    • 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\e9179050793d5e9467c280abf4f8abaec6a51fb62bfb1c66ddeb66d914e11ef9.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3012
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\QYeFehBb.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2612
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QYeFehBb" /XML "C:\Users\Admin\AppData\Local\Temp\tmp511C.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2660
    • C:\Users\Admin\AppData\Local\Temp\e9179050793d5e9467c280abf4f8abaec6a51fb62bfb1c66ddeb66d914e11ef9.exe
      "C:\Users\Admin\AppData\Local\Temp\e9179050793d5e9467c280abf4f8abaec6a51fb62bfb1c66ddeb66d914e11ef9.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1016

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp511C.tmp

    Filesize

    1KB

    MD5

    a001d23102cebabdc3455786d056b05c

    SHA1

    a15d75b8d6b3d53a36affb037bf5939248788afd

    SHA256

    35826ce3ed653277b9e1ab99bb816bda9686f42852270412fe73848dc6bdb144

    SHA512

    ae6755d16fa071dc9afb5a40f2ed93bb4d4e24c4cbcd4f2327e88f01f10c6130c405c5a239aa901d256651ee8fff7d69f42c78470c673d4302d22c025b797bf8

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

    Filesize

    7KB

    MD5

    039c39eaf1126bcb08687e3a68500a70

    SHA1

    ec0ad4dad57ad27fec12e5873f6dbba5eaab9615

    SHA256

    ada73cf79f05510856cdc0f03eca6dab3012317ad8ec439d3faf3933347e671b

    SHA512

    8bb80a582c2db123ba47d0ce90d4f3514158319b0f0bbde98a097f44fb9a049edacd02132738758f7fc63193e79e5cf55c236fbe9250ded3224136231889df1c

  • memory/1016-31-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/1016-23-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/1016-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1016-29-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/1016-21-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/1016-25-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/1016-28-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/1016-19-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2156-6-0x0000000005EF0000-0x0000000005F72000-memory.dmp

    Filesize

    520KB

  • memory/2156-1-0x0000000000D50000-0x0000000000E14000-memory.dmp

    Filesize

    784KB

  • memory/2156-0-0x00000000748CE000-0x00000000748CF000-memory.dmp

    Filesize

    4KB

  • memory/2156-2-0x00000000748C0000-0x0000000074FAE000-memory.dmp

    Filesize

    6.9MB

  • memory/2156-3-0x00000000003C0000-0x00000000003E2000-memory.dmp

    Filesize

    136KB

  • memory/2156-5-0x00000000003A0000-0x00000000003B0000-memory.dmp

    Filesize

    64KB

  • memory/2156-4-0x0000000000350000-0x000000000035C000-memory.dmp

    Filesize

    48KB

  • memory/2156-32-0x00000000748C0000-0x0000000074FAE000-memory.dmp

    Filesize

    6.9MB