Analysis

  • max time kernel
    133s
  • max time network
    104s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/05/2024, 10:36

General

  • Target

    55ca6e3bbf1d36f43fb873b3956d9e9ede7586eed508551d463aef4b56ed709f.exe

  • Size

    712KB

  • MD5

    abbe4be24a1416c5bdff6bc59d828c4a

  • SHA1

    a58f8980db33975bc7b1aad3e358b2432602da5b

  • SHA256

    55ca6e3bbf1d36f43fb873b3956d9e9ede7586eed508551d463aef4b56ed709f

  • SHA512

    9299290637b7dc75709de2e95b1d6075b305a768e7a256745042b835ff864e64512ace137bef6ebabef5c5d3c7facfd48987665bcd4a992777368a4f9e55f80d

  • SSDEEP

    12288:0DJ2dkW1L2Gx75qpsc11RtrZXVIrJuXwGEPTtSykjsJzw/SH:0YqWQGx1isczrZXVIoXwGEPTtSyKsbH

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.

  • 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 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\55ca6e3bbf1d36f43fb873b3956d9e9ede7586eed508551d463aef4b56ed709f.exe
    "C:\Users\Admin\AppData\Local\Temp\55ca6e3bbf1d36f43fb873b3956d9e9ede7586eed508551d463aef4b56ed709f.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1420
    • 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\55ca6e3bbf1d36f43fb873b3956d9e9ede7586eed508551d463aef4b56ed709f.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2972
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\isgjyvIx.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5008
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\isgjyvIx" /XML "C:\Users\Admin\AppData\Local\Temp\tmp59D8.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1872
    • C:\Users\Admin\AppData\Local\Temp\55ca6e3bbf1d36f43fb873b3956d9e9ede7586eed508551d463aef4b56ed709f.exe
      "C:\Users\Admin\AppData\Local\Temp\55ca6e3bbf1d36f43fb873b3956d9e9ede7586eed508551d463aef4b56ed709f.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4060

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          2KB

          MD5

          968cb9309758126772781b83adb8a28f

          SHA1

          8da30e71accf186b2ba11da1797cf67f8f78b47c

          SHA256

          92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

          SHA512

          4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

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

          Filesize

          18KB

          MD5

          94fb35345af29db03fe090e25efc881a

          SHA1

          0665b8c6c3e4938624c7a6a9ef84cd7265021cdb

          SHA256

          9a14b1a255eeb0deb3bca64ce116dfcb8b839699ceeee4fcc171c216f1aab818

          SHA512

          06b81c842bdb07a8d7bb6fe8ae1bf6e352a96fbbe37ea1237a5becc067a99b7a3a0a0965b8ac27dc74c6fe66d71edaab104fc0d7d860bf7958ab26cb8c0e4399

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_1yiwqyco.y25.ps1

          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

        • C:\Users\Admin\AppData\Local\Temp\tmp59D8.tmp

          Filesize

          1KB

          MD5

          60f233802fd12e526c4bc002ae4a26fb

          SHA1

          53c6052d10bf5f067f6b7ded2b0b32f0c2abc11e

          SHA256

          61422ef1eb0f120e02ee950c98ce90d2e90731a82e7e6cba0e2c2a6e8f8869c9

          SHA512

          8d681696bc73e8c9879ebf544d8f14b51db924ec26416542ffa3b3525fc7fa70af23c7b46a2eb4aed7fda5dc6a51eeb034103f304d9cdbd90ac6dbb7cb77be75

        • memory/1420-4-0x0000000005970000-0x000000000597A000-memory.dmp

          Filesize

          40KB

        • memory/1420-5-0x00000000747C0000-0x0000000074F70000-memory.dmp

          Filesize

          7.7MB

        • memory/1420-6-0x0000000005A60000-0x0000000005AFC000-memory.dmp

          Filesize

          624KB

        • memory/1420-7-0x0000000005E10000-0x0000000005E2C000-memory.dmp

          Filesize

          112KB

        • memory/1420-8-0x0000000006A00000-0x0000000006A0E000-memory.dmp

          Filesize

          56KB

        • memory/1420-9-0x0000000006B30000-0x0000000006B46000-memory.dmp

          Filesize

          88KB

        • memory/1420-10-0x0000000007040000-0x00000000070C2000-memory.dmp

          Filesize

          520KB

        • memory/1420-3-0x00000000057C0000-0x0000000005852000-memory.dmp

          Filesize

          584KB

        • memory/1420-2-0x0000000005E30000-0x00000000063D4000-memory.dmp

          Filesize

          5.6MB

        • memory/1420-0-0x00000000747CE000-0x00000000747CF000-memory.dmp

          Filesize

          4KB

        • memory/1420-39-0x00000000747C0000-0x0000000074F70000-memory.dmp

          Filesize

          7.7MB

        • memory/1420-1-0x0000000000D20000-0x0000000000DD8000-memory.dmp

          Filesize

          736KB

        • memory/2972-76-0x0000000006FC0000-0x0000000006FCA000-memory.dmp

          Filesize

          40KB

        • memory/2972-78-0x0000000007150000-0x0000000007161000-memory.dmp

          Filesize

          68KB

        • memory/2972-23-0x0000000005550000-0x00000000055B6000-memory.dmp

          Filesize

          408KB

        • memory/2972-15-0x0000000002300000-0x0000000002336000-memory.dmp

          Filesize

          216KB

        • memory/2972-20-0x0000000004C60000-0x0000000004C82000-memory.dmp

          Filesize

          136KB

        • memory/2972-19-0x00000000747C0000-0x0000000074F70000-memory.dmp

          Filesize

          7.7MB

        • memory/2972-34-0x0000000005600000-0x0000000005954000-memory.dmp

          Filesize

          3.3MB

        • memory/2972-16-0x0000000004D00000-0x0000000005328000-memory.dmp

          Filesize

          6.2MB

        • memory/2972-85-0x00000000747C0000-0x0000000074F70000-memory.dmp

          Filesize

          7.7MB

        • memory/2972-81-0x0000000007290000-0x00000000072AA000-memory.dmp

          Filesize

          104KB

        • memory/2972-18-0x00000000747C0000-0x0000000074F70000-memory.dmp

          Filesize

          7.7MB

        • memory/2972-49-0x0000000005C00000-0x0000000005C1E000-memory.dmp

          Filesize

          120KB

        • memory/2972-50-0x0000000005CB0000-0x0000000005CFC000-memory.dmp

          Filesize

          304KB

        • memory/2972-51-0x0000000006C00000-0x0000000006C32000-memory.dmp

          Filesize

          200KB

        • memory/2972-80-0x0000000007190000-0x00000000071A4000-memory.dmp

          Filesize

          80KB

        • memory/2972-73-0x0000000006E40000-0x0000000006EE3000-memory.dmp

          Filesize

          652KB

        • memory/2972-52-0x0000000070EB0000-0x0000000070EFC000-memory.dmp

          Filesize

          304KB

        • memory/2972-63-0x00000000061F0000-0x000000000620E000-memory.dmp

          Filesize

          120KB

        • memory/2972-22-0x0000000005430000-0x0000000005496000-memory.dmp

          Filesize

          408KB

        • memory/2972-17-0x00000000747C0000-0x0000000074F70000-memory.dmp

          Filesize

          7.7MB

        • memory/4060-36-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/4060-90-0x0000000006640000-0x0000000006690000-memory.dmp

          Filesize

          320KB

        • memory/5008-75-0x0000000007BD0000-0x0000000007BEA000-memory.dmp

          Filesize

          104KB

        • memory/5008-77-0x0000000007E50000-0x0000000007EE6000-memory.dmp

          Filesize

          600KB

        • memory/5008-74-0x0000000008210000-0x000000000888A000-memory.dmp

          Filesize

          6.5MB

        • memory/5008-79-0x0000000007E00000-0x0000000007E0E000-memory.dmp

          Filesize

          56KB

        • memory/5008-58-0x0000000070EB0000-0x0000000070EFC000-memory.dmp

          Filesize

          304KB

        • memory/5008-35-0x00000000747C0000-0x0000000074F70000-memory.dmp

          Filesize

          7.7MB

        • memory/5008-82-0x0000000007EF0000-0x0000000007EF8000-memory.dmp

          Filesize

          32KB

        • memory/5008-38-0x00000000747C0000-0x0000000074F70000-memory.dmp

          Filesize

          7.7MB

        • memory/5008-24-0x00000000747C0000-0x0000000074F70000-memory.dmp

          Filesize

          7.7MB

        • memory/5008-89-0x00000000747C0000-0x0000000074F70000-memory.dmp

          Filesize

          7.7MB