Analysis

  • max time kernel
    117s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-09-2024 10:26

General

  • Target

    b4930dde2fc721a3d6648831dd4fe2ebd5085e0218864eb48e68e54a69d7cd41.exe

  • Size

    936KB

  • MD5

    92e31906e68e746776729036b82e59a1

  • SHA1

    40f9317b50000be6b391d07911e68f2a206a98f8

  • SHA256

    b4930dde2fc721a3d6648831dd4fe2ebd5085e0218864eb48e68e54a69d7cd41

  • SHA512

    4f2ccbe7df1b29faef95c3199ed9cdc103bd66af4ba7efc8905cad9a33bc8deefd6b31a9f898b2780bfeb3e02b08f962a917edfd9001881afc4eb34db85e9317

  • SSDEEP

    24576:bnUoby03y3pDpO6BAjCC/ntp7ugb8fzW1YYuX0J:bUCcE6+jCCPbugczWZdJ

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.

  • 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b4930dde2fc721a3d6648831dd4fe2ebd5085e0218864eb48e68e54a69d7cd41.exe
    "C:\Users\Admin\AppData\Local\Temp\b4930dde2fc721a3d6648831dd4fe2ebd5085e0218864eb48e68e54a69d7cd41.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1696
    • 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\b4930dde2fc721a3d6648831dd4fe2ebd5085e0218864eb48e68e54a69d7cd41.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3256
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\BPBHACGkcaHInS.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3512
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BPBHACGkcaHInS" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDBAA.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:4012
    • C:\Users\Admin\AppData\Local\Temp\b4930dde2fc721a3d6648831dd4fe2ebd5085e0218864eb48e68e54a69d7cd41.exe
      "C:\Users\Admin\AppData\Local\Temp\b4930dde2fc721a3d6648831dd4fe2ebd5085e0218864eb48e68e54a69d7cd41.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:772

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

    cd66a04bf3861a67ad8a25c42ff3e63f

    SHA1

    18f63918bfbc3eaa5c6628c21106268e08bdc36e

    SHA256

    639dcadc93ea7e67d97c20b28171ff9668b414d8828f0e385ed8b8f250b2e86b

    SHA512

    55262fcf3c8a21cd16e164731db705f0c003f9933413e9926e34eb5b341f214fd57fca819d31d7c78a8aba6b2747faadd1af7f8acdab4ad0f6bd943e9cfabbb7

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_edyi0frr.3ww.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

    Filesize

    1KB

    MD5

    891385270c19a5e307ecd8fc57c82f82

    SHA1

    accfdc5fe49a7058ebb8121737e7fac06aa64daa

    SHA256

    c0e87af5ee77e7370d11f85e9ea4c6f5e0979eeda1aa51b691e3243697643418

    SHA512

    91a7d08cbb364521debe5b668734eda9ea382534d9a8983f93d098ed5ae22b20fd66a2284e94f1ba89d6829c40ffe8f3ba19a4f31a93347b526154877d8f4d8a

  • memory/772-26-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/772-83-0x0000000006FF0000-0x0000000007040000-memory.dmp

    Filesize

    320KB

  • memory/1696-8-0x00000000750A0000-0x0000000075850000-memory.dmp

    Filesize

    7.7MB

  • memory/1696-7-0x00000000750AE000-0x00000000750AF000-memory.dmp

    Filesize

    4KB

  • memory/1696-6-0x00000000057C0000-0x00000000057D8000-memory.dmp

    Filesize

    96KB

  • memory/1696-9-0x0000000006E90000-0x0000000006F12000-memory.dmp

    Filesize

    520KB

  • memory/1696-10-0x00000000091E0000-0x000000000927C000-memory.dmp

    Filesize

    624KB

  • memory/1696-5-0x0000000005590000-0x000000000559A000-memory.dmp

    Filesize

    40KB

  • memory/1696-0-0x00000000750AE000-0x00000000750AF000-memory.dmp

    Filesize

    4KB

  • memory/1696-4-0x00000000750A0000-0x0000000075850000-memory.dmp

    Filesize

    7.7MB

  • memory/1696-3-0x00000000054D0000-0x0000000005562000-memory.dmp

    Filesize

    584KB

  • memory/1696-2-0x0000000005BE0000-0x0000000006184000-memory.dmp

    Filesize

    5.6MB

  • memory/1696-30-0x00000000750A0000-0x0000000075850000-memory.dmp

    Filesize

    7.7MB

  • memory/1696-1-0x0000000000A10000-0x0000000000B00000-memory.dmp

    Filesize

    960KB

  • memory/3256-16-0x00000000750A0000-0x0000000075850000-memory.dmp

    Filesize

    7.7MB

  • memory/3256-68-0x0000000071130000-0x000000007117C000-memory.dmp

    Filesize

    304KB

  • memory/3256-24-0x0000000006280000-0x00000000062E6000-memory.dmp

    Filesize

    408KB

  • memory/3256-28-0x00000000062F0000-0x0000000006644000-memory.dmp

    Filesize

    3.3MB

  • memory/3256-90-0x00000000750A0000-0x0000000075850000-memory.dmp

    Filesize

    7.7MB

  • memory/3256-22-0x0000000005830000-0x0000000005852000-memory.dmp

    Filesize

    136KB

  • memory/3256-15-0x0000000005300000-0x0000000005336000-memory.dmp

    Filesize

    216KB

  • memory/3256-23-0x0000000005A10000-0x0000000005A76000-memory.dmp

    Filesize

    408KB

  • memory/3256-19-0x00000000750A0000-0x0000000075850000-memory.dmp

    Filesize

    7.7MB

  • memory/3256-17-0x0000000005AE0000-0x0000000006108000-memory.dmp

    Filesize

    6.2MB

  • memory/3256-18-0x00000000750A0000-0x0000000075850000-memory.dmp

    Filesize

    7.7MB

  • memory/3512-65-0x0000000007AF0000-0x0000000007B0A000-memory.dmp

    Filesize

    104KB

  • memory/3512-78-0x0000000007CF0000-0x0000000007D01000-memory.dmp

    Filesize

    68KB

  • memory/3512-52-0x0000000071130000-0x000000007117C000-memory.dmp

    Filesize

    304KB

  • memory/3512-51-0x0000000006DB0000-0x0000000006DE2000-memory.dmp

    Filesize

    200KB

  • memory/3512-25-0x00000000750A0000-0x0000000075850000-memory.dmp

    Filesize

    7.7MB

  • memory/3512-64-0x0000000008130000-0x00000000087AA000-memory.dmp

    Filesize

    6.5MB

  • memory/3512-66-0x0000000007B60000-0x0000000007B6A000-memory.dmp

    Filesize

    40KB

  • memory/3512-67-0x0000000007D70000-0x0000000007E06000-memory.dmp

    Filesize

    600KB

  • memory/3512-62-0x0000000006D90000-0x0000000006DAE000-memory.dmp

    Filesize

    120KB

  • memory/3512-63-0x00000000077B0000-0x0000000007853000-memory.dmp

    Filesize

    652KB

  • memory/3512-79-0x0000000007D20000-0x0000000007D2E000-memory.dmp

    Filesize

    56KB

  • memory/3512-80-0x0000000007D30000-0x0000000007D44000-memory.dmp

    Filesize

    80KB

  • memory/3512-81-0x0000000007E30000-0x0000000007E4A000-memory.dmp

    Filesize

    104KB

  • memory/3512-82-0x0000000007E10000-0x0000000007E18000-memory.dmp

    Filesize

    32KB

  • memory/3512-49-0x00000000067A0000-0x00000000067BE000-memory.dmp

    Filesize

    120KB

  • memory/3512-86-0x00000000750A0000-0x0000000075850000-memory.dmp

    Filesize

    7.7MB

  • memory/3512-50-0x0000000006840000-0x000000000688C000-memory.dmp

    Filesize

    304KB

  • memory/3512-20-0x00000000750A0000-0x0000000075850000-memory.dmp

    Filesize

    7.7MB

  • memory/3512-29-0x00000000750A0000-0x0000000075850000-memory.dmp

    Filesize

    7.7MB