Analysis

  • max time kernel
    144s
  • max time network
    160s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-05-2024 01:16

General

  • Target

    cfae8e03b337d97c850752ea84499c47df19db3d42cf3884082b087687325dd3.exe

  • Size

    659KB

  • MD5

    9032fd1986288f883c72d17f44728e79

  • SHA1

    1dd1be9c6b86b59fb0064ac61f4eea7182c0bc8f

  • SHA256

    cfae8e03b337d97c850752ea84499c47df19db3d42cf3884082b087687325dd3

  • SHA512

    487b173657c81c52f96470e63d85188afb3af2f6edc2483d59b4a44c35e347d412d680f85e2841dfd23f8e82a123ddbe2649db3f6f6ea558d3d8515404657082

  • SSDEEP

    12288:N0F1zi8LkpEasoCNgS0tNFr43YQPKFjD6GYHxrO8YU09Kkx/Z3nTGIa5AA4:OL2jE30VE3YC2jD6GYHxrO/jVRl45AA

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6129641660:AAG9JWsTKsMhWfRA1fm79unjrPqGHFO61FM/

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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • 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 21 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cfae8e03b337d97c850752ea84499c47df19db3d42cf3884082b087687325dd3.exe
    "C:\Users\Admin\AppData\Local\Temp\cfae8e03b337d97c850752ea84499c47df19db3d42cf3884082b087687325dd3.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1804
    • 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\cfae8e03b337d97c850752ea84499c47df19db3d42cf3884082b087687325dd3.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3936
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\sKWFqxTIrQVO.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4980
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\sKWFqxTIrQVO" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCB3A.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2360
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:3288
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1316 --field-trial-handle=2280,i,11703952675008463361,17436195144517971517,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:976

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_qq2ebovx.a1m.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmpCB3A.tmp

      Filesize

      1KB

      MD5

      cba392eeb78cbb0814da51378f0c1a16

      SHA1

      e2194fadf33a53da4a314c7200e6732b588db851

      SHA256

      00ffa93d53c93f7db2a4a9a7b500d7d5cae9e3b58adad441a790f1b7b866a7fb

      SHA512

      c7dff482f3e0cd03dfa35c6b4f87c7798320968a701114db196bb2ccb42fee5c3d87609be1c74e131168f7682b9c07715f029669fad884ccef51b689b43cb8bd

    • memory/1804-8-0x0000000006E20000-0x0000000006EA4000-memory.dmp

      Filesize

      528KB

    • memory/1804-9-0x00000000081B0000-0x000000000824C000-memory.dmp

      Filesize

      624KB

    • memory/1804-4-0x0000000074C10000-0x00000000753C0000-memory.dmp

      Filesize

      7.7MB

    • memory/1804-5-0x0000000005460000-0x000000000546A000-memory.dmp

      Filesize

      40KB

    • memory/1804-6-0x0000000006AC0000-0x0000000006ADA000-memory.dmp

      Filesize

      104KB

    • memory/1804-7-0x00000000057C0000-0x00000000057D0000-memory.dmp

      Filesize

      64KB

    • memory/1804-2-0x0000000005B60000-0x0000000006104000-memory.dmp

      Filesize

      5.6MB

    • memory/1804-3-0x0000000005490000-0x0000000005522000-memory.dmp

      Filesize

      584KB

    • memory/1804-10-0x0000000074C1E000-0x0000000074C1F000-memory.dmp

      Filesize

      4KB

    • memory/1804-11-0x0000000074C10000-0x00000000753C0000-memory.dmp

      Filesize

      7.7MB

    • memory/1804-0-0x0000000074C1E000-0x0000000074C1F000-memory.dmp

      Filesize

      4KB

    • memory/1804-30-0x0000000074C10000-0x00000000753C0000-memory.dmp

      Filesize

      7.7MB

    • memory/1804-1-0x00000000009C0000-0x0000000000A6A000-memory.dmp

      Filesize

      680KB

    • memory/3288-78-0x0000000006250000-0x00000000062A0000-memory.dmp

      Filesize

      320KB

    • memory/3288-25-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/3936-15-0x0000000074C10000-0x00000000753C0000-memory.dmp

      Filesize

      7.7MB

    • memory/3936-53-0x0000000070940000-0x000000007098C000-memory.dmp

      Filesize

      304KB

    • memory/3936-88-0x0000000074C10000-0x00000000753C0000-memory.dmp

      Filesize

      7.7MB

    • memory/3936-85-0x0000000074C10000-0x00000000753C0000-memory.dmp

      Filesize

      7.7MB

    • memory/3936-20-0x0000000004E70000-0x0000000005498000-memory.dmp

      Filesize

      6.2MB

    • memory/3936-27-0x0000000004C80000-0x0000000004CA2000-memory.dmp

      Filesize

      136KB

    • memory/3936-29-0x00000000055C0000-0x0000000005626000-memory.dmp

      Filesize

      408KB

    • memory/3936-19-0x0000000074C10000-0x00000000753C0000-memory.dmp

      Filesize

      7.7MB

    • memory/3936-28-0x0000000005550000-0x00000000055B6000-memory.dmp

      Filesize

      408KB

    • memory/3936-18-0x0000000074C10000-0x00000000753C0000-memory.dmp

      Filesize

      7.7MB

    • memory/3936-46-0x0000000005630000-0x0000000005984000-memory.dmp

      Filesize

      3.3MB

    • memory/3936-50-0x0000000005D00000-0x0000000005D1E000-memory.dmp

      Filesize

      120KB

    • memory/3936-51-0x00000000062D0000-0x000000000631C000-memory.dmp

      Filesize

      304KB

    • memory/3936-52-0x0000000006CB0000-0x0000000006CE2000-memory.dmp

      Filesize

      200KB

    • memory/3936-84-0x0000000007340000-0x0000000007348000-memory.dmp

      Filesize

      32KB

    • memory/3936-81-0x0000000007250000-0x000000000725E000-memory.dmp

      Filesize

      56KB

    • memory/3936-73-0x0000000006260000-0x000000000627E000-memory.dmp

      Filesize

      120KB

    • memory/3936-80-0x0000000007220000-0x0000000007231000-memory.dmp

      Filesize

      68KB

    • memory/3936-79-0x00000000072A0000-0x0000000007336000-memory.dmp

      Filesize

      600KB

    • memory/3936-16-0x00000000046A0000-0x00000000046D6000-memory.dmp

      Filesize

      216KB

    • memory/3936-77-0x0000000007090000-0x000000000709A000-memory.dmp

      Filesize

      40KB

    • memory/4980-76-0x0000000007CF0000-0x0000000007D0A000-memory.dmp

      Filesize

      104KB

    • memory/4980-75-0x0000000008340000-0x00000000089BA000-memory.dmp

      Filesize

      6.5MB

    • memory/4980-74-0x0000000007BC0000-0x0000000007C63000-memory.dmp

      Filesize

      652KB

    • memory/4980-22-0x0000000074C10000-0x00000000753C0000-memory.dmp

      Filesize

      7.7MB

    • memory/4980-82-0x0000000007F30000-0x0000000007F44000-memory.dmp

      Filesize

      80KB

    • memory/4980-83-0x0000000008030000-0x000000000804A000-memory.dmp

      Filesize

      104KB

    • memory/4980-54-0x0000000070940000-0x000000007098C000-memory.dmp

      Filesize

      304KB

    • memory/4980-24-0x0000000074C10000-0x00000000753C0000-memory.dmp

      Filesize

      7.7MB

    • memory/4980-21-0x0000000074C10000-0x00000000753C0000-memory.dmp

      Filesize

      7.7MB

    • memory/4980-89-0x0000000074C10000-0x00000000753C0000-memory.dmp

      Filesize

      7.7MB