Analysis

  • max time kernel
    120s
  • max time network
    142s
  • 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 01:37

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 10 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:1504
    • 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:4972
    • 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:548
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LpiosEmwQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE975.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:872
    • 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:456

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

    fc1e75c93e2ae6c11440532c93bded15

    SHA1

    861c510befe8e5e5633cc33078b132274b923610

    SHA256

    0b9018007181c6bbf46485dba68fa2476872228199139f90988e41bcf36d16a4

    SHA512

    4640490248e10c205e635997d96f1308880a919c9a45246c79dcdcffd80e030cc7bb7581e3ca89cec4c82ba136fcff5ec6a3e69d46a1e7d59e48872912f30394

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_x3xvowiu.wys.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpE975.tmp

    Filesize

    1KB

    MD5

    b4b7f1a3d222e5458801cc23f6603c36

    SHA1

    d2d55e763cc5b9d2d6f9ad4a0478f558ea9ff09c

    SHA256

    13387e6af7f3bf76cd05da3876b30e0e7e49032420c4291d282d37cd2eb9f45c

    SHA512

    08186614ed4ae1dc4da51466c8b43abde1f0124c4981e8b4effb1d6497bee56cb4fff35ce4c3c4e42c53406b7b4bd1aa28d7fdb79c6db3d3281910ce1627a5b3

  • memory/456-45-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/456-89-0x00000000064C0000-0x0000000006510000-memory.dmp

    Filesize

    320KB

  • memory/548-48-0x00000000060D0000-0x00000000060EE000-memory.dmp

    Filesize

    120KB

  • memory/548-19-0x0000000074B40000-0x00000000752F0000-memory.dmp

    Filesize

    7.7MB

  • memory/548-74-0x0000000007400000-0x000000000741A000-memory.dmp

    Filesize

    104KB

  • memory/548-73-0x0000000007A40000-0x00000000080BA000-memory.dmp

    Filesize

    6.5MB

  • memory/548-79-0x0000000007640000-0x0000000007654000-memory.dmp

    Filesize

    80KB

  • memory/548-76-0x0000000007680000-0x0000000007716000-memory.dmp

    Filesize

    600KB

  • memory/548-61-0x00000000072A0000-0x00000000072BE000-memory.dmp

    Filesize

    120KB

  • memory/548-87-0x0000000074B40000-0x00000000752F0000-memory.dmp

    Filesize

    7.7MB

  • memory/548-62-0x00000000072C0000-0x0000000007363000-memory.dmp

    Filesize

    652KB

  • memory/548-40-0x0000000074B40000-0x00000000752F0000-memory.dmp

    Filesize

    7.7MB

  • memory/548-50-0x00000000066A0000-0x00000000066D2000-memory.dmp

    Filesize

    200KB

  • memory/548-77-0x0000000007600000-0x0000000007611000-memory.dmp

    Filesize

    68KB

  • memory/548-80-0x0000000007740000-0x000000000775A000-memory.dmp

    Filesize

    104KB

  • memory/548-51-0x00000000753B0000-0x00000000753FC000-memory.dmp

    Filesize

    304KB

  • memory/548-49-0x0000000006500000-0x000000000654C000-memory.dmp

    Filesize

    304KB

  • memory/548-75-0x0000000007470000-0x000000000747A000-memory.dmp

    Filesize

    40KB

  • memory/548-81-0x0000000007720000-0x0000000007728000-memory.dmp

    Filesize

    32KB

  • memory/1504-4-0x0000000074B40000-0x00000000752F0000-memory.dmp

    Filesize

    7.7MB

  • memory/1504-10-0x0000000008990000-0x0000000008A2C000-memory.dmp

    Filesize

    624KB

  • memory/1504-47-0x0000000074B40000-0x00000000752F0000-memory.dmp

    Filesize

    7.7MB

  • memory/1504-5-0x0000000004EE0000-0x0000000004EEA000-memory.dmp

    Filesize

    40KB

  • memory/1504-8-0x0000000074B40000-0x00000000752F0000-memory.dmp

    Filesize

    7.7MB

  • memory/1504-2-0x0000000005380000-0x0000000005924000-memory.dmp

    Filesize

    5.6MB

  • memory/1504-3-0x0000000004DD0000-0x0000000004E62000-memory.dmp

    Filesize

    584KB

  • memory/1504-7-0x0000000074B4E000-0x0000000074B4F000-memory.dmp

    Filesize

    4KB

  • memory/1504-6-0x0000000004FB0000-0x0000000004FC0000-memory.dmp

    Filesize

    64KB

  • memory/1504-0-0x0000000074B4E000-0x0000000074B4F000-memory.dmp

    Filesize

    4KB

  • memory/1504-9-0x0000000006350000-0x00000000063D2000-memory.dmp

    Filesize

    520KB

  • memory/1504-1-0x00000000002F0000-0x000000000039C000-memory.dmp

    Filesize

    688KB

  • memory/4972-15-0x0000000003040000-0x0000000003076000-memory.dmp

    Filesize

    216KB

  • memory/4972-63-0x00000000753B0000-0x00000000753FC000-memory.dmp

    Filesize

    304KB

  • memory/4972-38-0x0000000074B40000-0x00000000752F0000-memory.dmp

    Filesize

    7.7MB

  • memory/4972-78-0x0000000007E90000-0x0000000007E9E000-memory.dmp

    Filesize

    56KB

  • memory/4972-39-0x0000000006300000-0x0000000006654000-memory.dmp

    Filesize

    3.3MB

  • memory/4972-22-0x00000000061D0000-0x0000000006236000-memory.dmp

    Filesize

    408KB

  • memory/4972-21-0x0000000006160000-0x00000000061C6000-memory.dmp

    Filesize

    408KB

  • memory/4972-20-0x0000000005A90000-0x0000000005AB2000-memory.dmp

    Filesize

    136KB

  • memory/4972-18-0x0000000074B40000-0x00000000752F0000-memory.dmp

    Filesize

    7.7MB

  • memory/4972-88-0x0000000074B40000-0x00000000752F0000-memory.dmp

    Filesize

    7.7MB

  • memory/4972-17-0x0000000005B30000-0x0000000006158000-memory.dmp

    Filesize

    6.2MB

  • memory/4972-16-0x0000000074B40000-0x00000000752F0000-memory.dmp

    Filesize

    7.7MB