Analysis

  • max time kernel
    148s
  • max time network
    151s
  • 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 13:13

General

  • Target

    MV TBN CALL PORT FOR LOADING COAL_pdf.exe

  • Size

    641KB

  • MD5

    2546f92a54b6f32407cb0d86c91b330c

  • SHA1

    3b2eeddcae26a3efbb431fc4863e4765ff556392

  • SHA256

    c4152d490edfcc1620c4579bc9e9455b8cb71cb9efecb38140a22385ea95a9ce

  • SHA512

    df3cdd886e0ac5c315e47b352030313d189d51d4d959977421e443cf6fffd02df108319b5b277c202567caa86327803e1aaf9830d89c3bbc8ee7015703f28ea4

  • SSDEEP

    12288:Tbx119VXiwDIgVFyDu7iKXy2pGL3v5GzD1uIOUgQX14JE9xje50VwXH:BD95lGb5GzDL1pg06

Malware Config

Extracted

Credentials

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://cash4cars.nz
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    -[([pqM~nGA4

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.

  • 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.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\MV TBN CALL PORT FOR LOADING COAL_pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\MV TBN CALL PORT FOR LOADING COAL_pdf.exe"
    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:4992
    • 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\MV TBN CALL PORT FOR LOADING COAL_pdf.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4800
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\dpRbrdOWQX.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4812
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\dpRbrdOWQX" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC18B.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:5016
    • C:\Users\Admin\AppData\Local\Temp\MV TBN CALL PORT FOR LOADING COAL_pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\MV TBN CALL PORT FOR LOADING COAL_pdf.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1492

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    2KB

    MD5

    3d086a433708053f9bf9523e1d87a4e8

    SHA1

    b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

    SHA256

    6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

    SHA512

    931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

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

    Filesize

    18KB

    MD5

    e4613992cb822dc9989308bb3658efcf

    SHA1

    99952612cf02b1322c7b8ec69de5ed9fd2a2a8c2

    SHA256

    f0f1fb9452bfce4d65dc0cecef5e8826690c822ca024f308911f9876788b8b5a

    SHA512

    be8b2f9f31cae0c0c7df1c671c06b50ae69af93afa0757733ba777bd304c50851af2abae979d87134212bdbbd94a0df8954e2f9305021b4eaadb63ef74be34a8

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_zzhvugkp.uvu.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpC18B.tmp

    Filesize

    1KB

    MD5

    15d7b130d519e8290f9c2fcdfb4212b3

    SHA1

    9c253267091a79aafdc09bcbaba7c35c3ed8b732

    SHA256

    5f3e5ad2997b71450fa9293dbf7ec6abfb45fa83e75a2f98f6fecb49f869d6c5

    SHA512

    60cabc8716a69bae16712aaba6e6b0ece5495698714e4847c5cceace3dcf4ae5e27514a7f5e8d35eb2d1e55bd6b4ff420a4d0b065b66a28380929e51f527a5de

  • memory/1492-36-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/1492-89-0x0000000006640000-0x0000000006690000-memory.dmp

    Filesize

    320KB

  • memory/4800-80-0x0000000007130000-0x000000000714A000-memory.dmp

    Filesize

    104KB

  • memory/4800-17-0x0000000004D50000-0x0000000005378000-memory.dmp

    Filesize

    6.2MB

  • memory/4800-62-0x0000000071110000-0x000000007115C000-memory.dmp

    Filesize

    304KB

  • memory/4800-79-0x0000000007030000-0x0000000007044000-memory.dmp

    Filesize

    80KB

  • memory/4800-41-0x0000000005480000-0x00000000057D4000-memory.dmp

    Filesize

    3.3MB

  • memory/4800-15-0x00000000021B0000-0x00000000021E6000-memory.dmp

    Filesize

    216KB

  • memory/4800-16-0x00000000749A0000-0x0000000075150000-memory.dmp

    Filesize

    7.7MB

  • memory/4800-76-0x0000000007070000-0x0000000007106000-memory.dmp

    Filesize

    600KB

  • memory/4800-18-0x00000000749A0000-0x0000000075150000-memory.dmp

    Filesize

    7.7MB

  • memory/4800-22-0x0000000004BA0000-0x0000000004C06000-memory.dmp

    Filesize

    408KB

  • memory/4800-88-0x00000000749A0000-0x0000000075150000-memory.dmp

    Filesize

    7.7MB

  • memory/4800-21-0x0000000004B00000-0x0000000004B22000-memory.dmp

    Filesize

    136KB

  • memory/4800-24-0x0000000004C10000-0x0000000004C76000-memory.dmp

    Filesize

    408KB

  • memory/4800-23-0x00000000749A0000-0x0000000075150000-memory.dmp

    Filesize

    7.7MB

  • memory/4812-25-0x00000000749A0000-0x0000000075150000-memory.dmp

    Filesize

    7.7MB

  • memory/4812-73-0x0000000007650000-0x0000000007CCA000-memory.dmp

    Filesize

    6.5MB

  • memory/4812-87-0x00000000749A0000-0x0000000075150000-memory.dmp

    Filesize

    7.7MB

  • memory/4812-81-0x00000000072D0000-0x00000000072D8000-memory.dmp

    Filesize

    32KB

  • memory/4812-78-0x00000000071E0000-0x00000000071EE000-memory.dmp

    Filesize

    56KB

  • memory/4812-77-0x00000000071B0000-0x00000000071C1000-memory.dmp

    Filesize

    68KB

  • memory/4812-48-0x0000000005C90000-0x0000000005CAE000-memory.dmp

    Filesize

    120KB

  • memory/4812-49-0x0000000005D20000-0x0000000005D6C000-memory.dmp

    Filesize

    304KB

  • memory/4812-51-0x0000000071110000-0x000000007115C000-memory.dmp

    Filesize

    304KB

  • memory/4812-61-0x0000000006190000-0x00000000061AE000-memory.dmp

    Filesize

    120KB

  • memory/4812-50-0x00000000061B0000-0x00000000061E2000-memory.dmp

    Filesize

    200KB

  • memory/4812-75-0x0000000007020000-0x000000000702A000-memory.dmp

    Filesize

    40KB

  • memory/4812-72-0x0000000006F20000-0x0000000006FC3000-memory.dmp

    Filesize

    652KB

  • memory/4812-19-0x00000000749A0000-0x0000000075150000-memory.dmp

    Filesize

    7.7MB

  • memory/4812-74-0x0000000006340000-0x000000000635A000-memory.dmp

    Filesize

    104KB

  • memory/4992-8-0x00000000749A0000-0x0000000075150000-memory.dmp

    Filesize

    7.7MB

  • memory/4992-7-0x00000000749AE000-0x00000000749AF000-memory.dmp

    Filesize

    4KB

  • memory/4992-44-0x00000000749A0000-0x0000000075150000-memory.dmp

    Filesize

    7.7MB

  • memory/4992-9-0x0000000006A80000-0x0000000006B02000-memory.dmp

    Filesize

    520KB

  • memory/4992-6-0x00000000059A0000-0x00000000059B0000-memory.dmp

    Filesize

    64KB

  • memory/4992-5-0x00000000055B0000-0x00000000055BA000-memory.dmp

    Filesize

    40KB

  • memory/4992-10-0x0000000009020000-0x00000000090BC000-memory.dmp

    Filesize

    624KB

  • memory/4992-4-0x00000000749A0000-0x0000000075150000-memory.dmp

    Filesize

    7.7MB

  • memory/4992-3-0x0000000005410000-0x00000000054A2000-memory.dmp

    Filesize

    584KB

  • memory/4992-0-0x00000000749AE000-0x00000000749AF000-memory.dmp

    Filesize

    4KB

  • memory/4992-2-0x00000000059C0000-0x0000000005F64000-memory.dmp

    Filesize

    5.6MB

  • memory/4992-1-0x0000000000960000-0x0000000000A06000-memory.dmp

    Filesize

    664KB