Analysis

  • max time kernel
    131s
  • max time network
    133s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-09-2024 07:05

General

  • Target

    FSCDL2407009-Debit Note.scr

  • Size

    669KB

  • MD5

    9f1263691f61af5eb7a7b8ad52134be2

  • SHA1

    2fae8614a8c48b09140ad431d20c89ec0e6c70fa

  • SHA256

    1736cd52fdc1deacedeac1de86d461ceb01c476e307520762b74b67ca8fa4b4b

  • SHA512

    4b5de03719f4fcd7bc2cb94879589b605c8f95cb397bf4293c781ffdcb4e1b42953bea8da2474f73a2d4de162fcc4c11d9b99a15c9acb0ac233820bf9039594b

  • SSDEEP

    12288:1z7kvDoQE2wD/Cv3BZCU30HapCU0q3ly+t/DlVUjaKPTUw79ylQ/ePooitapDcaJ:1zoXwDgZ/096v3UFPDw3goitapDcG

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • 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).

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\FSCDL2407009-Debit Note.scr
    "C:\Users\Admin\AppData\Local\Temp\FSCDL2407009-Debit Note.scr" /S
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2160
    • 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\FSCDL2407009-Debit Note.scr"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:220
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\LpiosEmwQ.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3928
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LpiosEmwQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9517.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3496
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4272
  • 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 --field-trial-handle=4264,i,4174666705242427184,7333705955694532165,262144 --variations-seed-version --mojo-platform-channel-handle=1436 /prefetch:8
    1⤵
      PID:1428

    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

      656f2b0b97bd7bb31158a78cf3dfa169

      SHA1

      2f20dcea0afe18251bcfd8cb867c29f78398e682

      SHA256

      2d8d00d4fb6b5c2e52fc7983d687c82d723fa826535c3f862921c172f2b6680a

      SHA512

      847d938c49ab61b04faee0ec596bc62c07074270c43db68e7b22a36840ed1a11b916448104b360c032c6d3854334f45a68aab9ffc844cdd2a6b12ac2be4af2e9

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_eqjyss0r.ov4.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmp9517.tmp

      Filesize

      1KB

      MD5

      9b0cba32c99abae3e0358a6b1d67e4fe

      SHA1

      ee5940428d593659f46f080bc02b20c1c77cb828

      SHA256

      eb56c4d234d5e836f935bd1c6ff67fbedc84e7bd0a594c32444a9e7c2809b576

      SHA512

      ba27b417432cf5920381c673353c1387e0c8feaa26e7b4920917cf0bf7229c552b1f21a10ff6f406f22282b43ec8e876574bc2162354fb5238a9b73c2a3c50a1

    • memory/220-76-0x0000000007CB0000-0x0000000007CBA000-memory.dmp

      Filesize

      40KB

    • memory/220-17-0x0000000005B10000-0x0000000006138000-memory.dmp

      Filesize

      6.2MB

    • memory/220-89-0x0000000074A10000-0x00000000751C0000-memory.dmp

      Filesize

      7.7MB

    • memory/220-23-0x00000000059F0000-0x0000000005A56000-memory.dmp

      Filesize

      408KB

    • memory/220-81-0x0000000007F80000-0x0000000007F9A000-memory.dmp

      Filesize

      104KB

    • memory/220-80-0x0000000007E80000-0x0000000007E94000-memory.dmp

      Filesize

      80KB

    • memory/220-79-0x0000000007E70000-0x0000000007E7E000-memory.dmp

      Filesize

      56KB

    • memory/220-15-0x0000000005360000-0x0000000005396000-memory.dmp

      Filesize

      216KB

    • memory/220-16-0x0000000074A10000-0x00000000751C0000-memory.dmp

      Filesize

      7.7MB

    • memory/220-18-0x0000000074A10000-0x00000000751C0000-memory.dmp

      Filesize

      7.7MB

    • memory/220-64-0x00000000078E0000-0x0000000007983000-memory.dmp

      Filesize

      652KB

    • memory/220-19-0x0000000074A10000-0x00000000751C0000-memory.dmp

      Filesize

      7.7MB

    • memory/220-51-0x0000000007890000-0x00000000078C2000-memory.dmp

      Filesize

      200KB

    • memory/220-22-0x0000000005950000-0x0000000005972000-memory.dmp

      Filesize

      136KB

    • memory/220-24-0x0000000005A60000-0x0000000005AC6000-memory.dmp

      Filesize

      408KB

    • memory/220-62-0x0000000007870000-0x000000000788E000-memory.dmp

      Filesize

      120KB

    • memory/220-52-0x00000000752A0000-0x00000000752EC000-memory.dmp

      Filesize

      304KB

    • memory/2160-7-0x0000000074A1E000-0x0000000074A1F000-memory.dmp

      Filesize

      4KB

    • memory/2160-0-0x0000000074A1E000-0x0000000074A1F000-memory.dmp

      Filesize

      4KB

    • memory/2160-44-0x0000000074A10000-0x00000000751C0000-memory.dmp

      Filesize

      7.7MB

    • memory/2160-6-0x0000000005430000-0x0000000005440000-memory.dmp

      Filesize

      64KB

    • memory/2160-5-0x0000000074A10000-0x00000000751C0000-memory.dmp

      Filesize

      7.7MB

    • memory/2160-1-0x0000000000890000-0x000000000093C000-memory.dmp

      Filesize

      688KB

    • memory/2160-2-0x0000000005810000-0x0000000005DB4000-memory.dmp

      Filesize

      5.6MB

    • memory/2160-4-0x00000000053A0000-0x00000000053AA000-memory.dmp

      Filesize

      40KB

    • memory/2160-8-0x0000000074A10000-0x00000000751C0000-memory.dmp

      Filesize

      7.7MB

    • memory/2160-9-0x00000000067E0000-0x0000000006862000-memory.dmp

      Filesize

      520KB

    • memory/2160-3-0x0000000005300000-0x0000000005392000-memory.dmp

      Filesize

      584KB

    • memory/2160-10-0x0000000008FF0000-0x000000000908C000-memory.dmp

      Filesize

      624KB

    • memory/3928-50-0x00000000062D0000-0x000000000631C000-memory.dmp

      Filesize

      304KB

    • memory/3928-26-0x0000000074A10000-0x00000000751C0000-memory.dmp

      Filesize

      7.7MB

    • memory/3928-75-0x00000000075D0000-0x00000000075EA000-memory.dmp

      Filesize

      104KB

    • memory/3928-63-0x00000000752A0000-0x00000000752EC000-memory.dmp

      Filesize

      304KB

    • memory/3928-77-0x0000000007850000-0x00000000078E6000-memory.dmp

      Filesize

      600KB

    • memory/3928-78-0x00000000077D0000-0x00000000077E1000-memory.dmp

      Filesize

      68KB

    • memory/3928-25-0x0000000074A10000-0x00000000751C0000-memory.dmp

      Filesize

      7.7MB

    • memory/3928-74-0x0000000007C10000-0x000000000828A000-memory.dmp

      Filesize

      6.5MB

    • memory/3928-27-0x0000000005CB0000-0x0000000006004000-memory.dmp

      Filesize

      3.3MB

    • memory/3928-82-0x00000000078F0000-0x00000000078F8000-memory.dmp

      Filesize

      32KB

    • memory/3928-85-0x0000000074A10000-0x00000000751C0000-memory.dmp

      Filesize

      7.7MB

    • memory/3928-49-0x00000000062B0000-0x00000000062CE000-memory.dmp

      Filesize

      120KB

    • memory/3928-20-0x0000000074A10000-0x00000000751C0000-memory.dmp

      Filesize

      7.7MB

    • memory/4272-28-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/4272-90-0x0000000006B30000-0x0000000006B80000-memory.dmp

      Filesize

      320KB