Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-09-2024 06:16

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

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:4608
    • 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:4400
    • 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:2288
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\dpRbrdOWQX" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEC54.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:4616
    • 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:3812

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

    968cb9309758126772781b83adb8a28f

    SHA1

    8da30e71accf186b2ba11da1797cf67f8f78b47c

    SHA256

    92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

    SHA512

    4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

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

    Filesize

    18KB

    MD5

    20e65c999c08810a0bd32f6c101bc486

    SHA1

    70904ae81f241340903fdcd3a345415b2812cfb4

    SHA256

    f84e8d9981e8b91f59f1f1f101160d25775e61993ea4d8000c300302a66ca394

    SHA512

    453e35fd6e0f9273c0ca0831748e43a9ad1605ba3982832eeb011639c2856766bfef548e9dbed3c2422ef5615faf8edfa1d90fdd5a61d87e96c05c5a1a7400b8

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_xdzovc1o.mmh.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpEC54.tmp

    Filesize

    1KB

    MD5

    6ba990b574817d4842c4a4b11a398c8b

    SHA1

    3a11e73cc798eea10c026e77932b400491ee8233

    SHA256

    26d52f016c94d62f4f59aa9debe11bc84a4980cd293e4b168eda321bb672cb53

    SHA512

    9df3e3e8e1627034524b130906f59ecaac17a00d6892b0741405b03cef1efb7bddbf69d33374f12f887d7378f2370760190acff727b7e43b24bf9133428bce3c

  • memory/2288-75-0x0000000007C50000-0x0000000007C5A000-memory.dmp

    Filesize

    40KB

  • memory/2288-74-0x0000000007BD0000-0x0000000007BEA000-memory.dmp

    Filesize

    104KB

  • memory/2288-80-0x0000000007F10000-0x0000000007F2A000-memory.dmp

    Filesize

    104KB

  • memory/2288-79-0x0000000007E10000-0x0000000007E24000-memory.dmp

    Filesize

    80KB

  • memory/2288-78-0x0000000007E00000-0x0000000007E0E000-memory.dmp

    Filesize

    56KB

  • memory/2288-77-0x0000000007DD0000-0x0000000007DE1000-memory.dmp

    Filesize

    68KB

  • memory/2288-24-0x0000000006140000-0x00000000061A6000-memory.dmp

    Filesize

    408KB

  • memory/2288-81-0x0000000007EF0000-0x0000000007EF8000-memory.dmp

    Filesize

    32KB

  • memory/2288-61-0x0000000071380000-0x00000000713CC000-memory.dmp

    Filesize

    304KB

  • memory/2288-25-0x0000000006260000-0x00000000062C6000-memory.dmp

    Filesize

    408KB

  • memory/2288-22-0x0000000074CB0000-0x0000000075460000-memory.dmp

    Filesize

    7.7MB

  • memory/2288-23-0x00000000058E0000-0x0000000005902000-memory.dmp

    Filesize

    136KB

  • memory/2288-20-0x0000000074CB0000-0x0000000075460000-memory.dmp

    Filesize

    7.7MB

  • memory/2288-89-0x0000000074CB0000-0x0000000075460000-memory.dmp

    Filesize

    7.7MB

  • memory/3812-82-0x0000000006EF0000-0x0000000006F40000-memory.dmp

    Filesize

    320KB

  • memory/3812-26-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/4400-28-0x0000000005CC0000-0x0000000006014000-memory.dmp

    Filesize

    3.3MB

  • memory/4400-73-0x0000000007C50000-0x00000000082CA000-memory.dmp

    Filesize

    6.5MB

  • memory/4400-85-0x0000000074CB0000-0x0000000075460000-memory.dmp

    Filesize

    7.7MB

  • memory/4400-18-0x0000000074CB0000-0x0000000075460000-memory.dmp

    Filesize

    7.7MB

  • memory/4400-76-0x0000000007880000-0x0000000007916000-memory.dmp

    Filesize

    600KB

  • memory/4400-17-0x00000000053E0000-0x0000000005A08000-memory.dmp

    Filesize

    6.2MB

  • memory/4400-48-0x00000000062C0000-0x00000000062DE000-memory.dmp

    Filesize

    120KB

  • memory/4400-49-0x0000000006850000-0x000000000689C000-memory.dmp

    Filesize

    304KB

  • memory/4400-16-0x0000000074CB0000-0x0000000075460000-memory.dmp

    Filesize

    7.7MB

  • memory/4400-70-0x0000000006820000-0x000000000683E000-memory.dmp

    Filesize

    120KB

  • memory/4400-51-0x0000000071380000-0x00000000713CC000-memory.dmp

    Filesize

    304KB

  • memory/4400-50-0x0000000007290000-0x00000000072C2000-memory.dmp

    Filesize

    200KB

  • memory/4400-72-0x00000000074D0000-0x0000000007573000-memory.dmp

    Filesize

    652KB

  • memory/4400-19-0x0000000074CB0000-0x0000000075460000-memory.dmp

    Filesize

    7.7MB

  • memory/4400-15-0x00000000029A0000-0x00000000029D6000-memory.dmp

    Filesize

    216KB

  • memory/4608-10-0x0000000008940000-0x00000000089DC000-memory.dmp

    Filesize

    624KB

  • memory/4608-30-0x0000000074CB0000-0x0000000075460000-memory.dmp

    Filesize

    7.7MB

  • memory/4608-9-0x00000000061B0000-0x0000000006232000-memory.dmp

    Filesize

    520KB

  • memory/4608-8-0x0000000074CB0000-0x0000000075460000-memory.dmp

    Filesize

    7.7MB

  • memory/4608-7-0x0000000074CBE000-0x0000000074CBF000-memory.dmp

    Filesize

    4KB

  • memory/4608-6-0x0000000004EE0000-0x0000000004EF0000-memory.dmp

    Filesize

    64KB

  • memory/4608-5-0x0000000004C60000-0x0000000004C6A000-memory.dmp

    Filesize

    40KB

  • memory/4608-4-0x0000000074CB0000-0x0000000075460000-memory.dmp

    Filesize

    7.7MB

  • memory/4608-0-0x0000000074CBE000-0x0000000074CBF000-memory.dmp

    Filesize

    4KB

  • memory/4608-3-0x0000000004CB0000-0x0000000004D42000-memory.dmp

    Filesize

    584KB

  • memory/4608-2-0x0000000005260000-0x0000000005804000-memory.dmp

    Filesize

    5.6MB

  • memory/4608-1-0x00000000001B0000-0x0000000000256000-memory.dmp

    Filesize

    664KB