Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-05-2024 14:04

General

  • Target

    PO00211.exe

  • Size

    670KB

  • MD5

    2b12a266317f002c205011fa1958072c

  • SHA1

    07e6859611698f37aa9c4011f76907aafe524218

  • SHA256

    dff297acb567f990471dca2871adee15229e572c35fef5fd20eb9a1428946c04

  • SHA512

    444f0444202f3c4c67cdf3deeb479233041edd4d7a16c0240b729173b5781322278d21abb9e55eb09668795e1121a77ea9ffd11735823a08b109f064969f67b8

  • SSDEEP

    12288:J0FJzi8LkpEaAxx1Qy0+9+WTehgXkWP3DdFsOFHplgCIQlHzWH4jdmeO1W+TLTuU:KT2jE3LS7+99fXxP3DdFnFJ2CIQBgcdO

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.activefreightpak.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    AFSPL**77**

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.

  • Adds Run key to start application 2 TTPs 1 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 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO00211.exe
    "C:\Users\Admin\AppData\Local\Temp\PO00211.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:680
    • 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\PO00211.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4656
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\eeOuEr.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1592
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\eeOuEr" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7DBB.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2892
    • C:\Users\Admin\AppData\Local\Temp\PO00211.exe
      "C:\Users\Admin\AppData\Local\Temp\PO00211.exe"
      2⤵
        PID:4900
      • C:\Users\Admin\AppData\Local\Temp\PO00211.exe
        "C:\Users\Admin\AppData\Local\Temp\PO00211.exe"
        2⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:3104

    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

      294d7e40c25f4e1578535ef55c2fef10

      SHA1

      780d1b8a5cac406c0a6153e3d2049fcc96dcda53

      SHA256

      101b755185b11d4b4072bbb4a8b0e63cc499c6ba771d6dc3bab0a33e634ab309

      SHA512

      8f08868e4d411447b0ae8eb62a79d7a4da71d5397562c3fddc5a805e48cd8761d574e74d587c27d03e010af6f3c7dde98150213395a0548b5e5ba6e8d35dfda6

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_kfowv2y5.3xc.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmp7DBB.tmp

      Filesize

      1KB

      MD5

      f5b79c84fcee1017279a6219c3bf91d9

      SHA1

      442fd57364bdf711dc4edcf8400c2359a0612079

      SHA256

      f69773a0a386051c2f48b769944f6f57576048d24801c72d82119b34e37bc320

      SHA512

      df995691e20c8575e405db0a8aeb4f5ee21bf9a0ccd1a2b6a757b73c7f14336dec680560db8c653259b686ff44129824176462e04a266cffa4e1572832926eb9

    • memory/680-6-0x0000000005340000-0x000000000535A000-memory.dmp

      Filesize

      104KB

    • memory/680-5-0x00000000752A0000-0x0000000075A50000-memory.dmp

      Filesize

      7.7MB

    • memory/680-4-0x0000000005160000-0x000000000516A000-memory.dmp

      Filesize

      40KB

    • memory/680-7-0x0000000005470000-0x0000000005480000-memory.dmp

      Filesize

      64KB

    • memory/680-8-0x0000000006670000-0x00000000066F4000-memory.dmp

      Filesize

      528KB

    • memory/680-9-0x0000000008D70000-0x0000000008E0C000-memory.dmp

      Filesize

      624KB

    • memory/680-46-0x00000000752A0000-0x0000000075A50000-memory.dmp

      Filesize

      7.7MB

    • memory/680-0-0x00000000752AE000-0x00000000752AF000-memory.dmp

      Filesize

      4KB

    • memory/680-3-0x0000000005090000-0x0000000005122000-memory.dmp

      Filesize

      584KB

    • memory/680-2-0x0000000005730000-0x0000000005CD4000-memory.dmp

      Filesize

      5.6MB

    • memory/680-1-0x0000000000610000-0x00000000006BA000-memory.dmp

      Filesize

      680KB

    • memory/1592-88-0x00000000752A0000-0x0000000075A50000-memory.dmp

      Filesize

      7.7MB

    • memory/1592-20-0x00000000752A0000-0x0000000075A50000-memory.dmp

      Filesize

      7.7MB

    • memory/1592-79-0x0000000007140000-0x0000000007154000-memory.dmp

      Filesize

      80KB

    • memory/1592-78-0x0000000007130000-0x000000000713E000-memory.dmp

      Filesize

      56KB

    • memory/1592-24-0x00000000055A0000-0x0000000005606000-memory.dmp

      Filesize

      408KB

    • memory/1592-34-0x0000000005610000-0x0000000005964000-memory.dmp

      Filesize

      3.3MB

    • memory/1592-19-0x00000000752A0000-0x0000000075A50000-memory.dmp

      Filesize

      7.7MB

    • memory/1592-61-0x0000000075B50000-0x0000000075B9C000-memory.dmp

      Filesize

      304KB

    • memory/1592-74-0x0000000006F70000-0x0000000006F7A000-memory.dmp

      Filesize

      40KB

    • memory/3104-44-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/3104-89-0x00000000068F0000-0x0000000006940000-memory.dmp

      Filesize

      320KB

    • memory/4656-15-0x00000000752A0000-0x0000000075A50000-memory.dmp

      Filesize

      7.7MB

    • memory/4656-50-0x0000000075B50000-0x0000000075B9C000-memory.dmp

      Filesize

      304KB

    • memory/4656-62-0x0000000007000000-0x00000000070A3000-memory.dmp

      Filesize

      652KB

    • memory/4656-48-0x0000000006330000-0x000000000637C000-memory.dmp

      Filesize

      304KB

    • memory/4656-60-0x00000000063E0000-0x00000000063FE000-memory.dmp

      Filesize

      120KB

    • memory/4656-49-0x0000000006DC0000-0x0000000006DF2000-memory.dmp

      Filesize

      200KB

    • memory/4656-73-0x0000000007110000-0x000000000712A000-memory.dmp

      Filesize

      104KB

    • memory/4656-72-0x0000000007760000-0x0000000007DDA000-memory.dmp

      Filesize

      6.5MB

    • memory/4656-47-0x0000000005DF0000-0x0000000005E0E000-memory.dmp

      Filesize

      120KB

    • memory/4656-75-0x0000000007390000-0x0000000007426000-memory.dmp

      Filesize

      600KB

    • memory/4656-76-0x0000000007310000-0x0000000007321000-memory.dmp

      Filesize

      68KB

    • memory/4656-23-0x0000000005750000-0x00000000057B6000-memory.dmp

      Filesize

      408KB

    • memory/4656-22-0x0000000004F20000-0x0000000004F42000-memory.dmp

      Filesize

      136KB

    • memory/4656-80-0x0000000007450000-0x000000000746A000-memory.dmp

      Filesize

      104KB

    • memory/4656-81-0x0000000007430000-0x0000000007438000-memory.dmp

      Filesize

      32KB

    • memory/4656-18-0x00000000752A0000-0x0000000075A50000-memory.dmp

      Filesize

      7.7MB

    • memory/4656-17-0x00000000752A0000-0x0000000075A50000-memory.dmp

      Filesize

      7.7MB

    • memory/4656-16-0x0000000005120000-0x0000000005748000-memory.dmp

      Filesize

      6.2MB

    • memory/4656-87-0x00000000752A0000-0x0000000075A50000-memory.dmp

      Filesize

      7.7MB

    • memory/4656-14-0x00000000024C0000-0x00000000024F6000-memory.dmp

      Filesize

      216KB