Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-09-2024 18:43

General

  • Target

    QUOTE-4K892388-A-C422.exe

  • Size

    613KB

  • MD5

    b08c3e1fb6c0cbdc42114b397e5ca857

  • SHA1

    d638ca5e9a20072887e6418186753327853f5369

  • SHA256

    269e25fc0e57a2a1cbb6e3f01936142b4c6e8807d7e33960e5e8baf38ef3b631

  • SHA512

    ec3fa21261715461fe1d510fe1eabf4e232923cc5f6cfe6c343155632a129e514df81f6b366bc755ff04b9b2eafea7e682f9b295bac3d4b28923e0e3de4f85ff

  • SSDEEP

    12288:lzjLf30WH0obqvYCHXzcjWwyuMTtZqe5rfCslgldVMLv:9jj0yGzHw1MOSCKgXV6

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 1 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • 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 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\QUOTE-4K892388-A-C422.exe
    "C:\Users\Admin\AppData\Local\Temp\QUOTE-4K892388-A-C422.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4996
    • 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\QUOTE-4K892388-A-C422.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3508
    • C:\Users\Admin\AppData\Local\Temp\QUOTE-4K892388-A-C422.exe
      "C:\Users\Admin\AppData\Local\Temp\QUOTE-4K892388-A-C422.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1532

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\QUOTE-4K892388-A-C422.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_m340k02o.j4q.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/1532-51-0x0000000006C50000-0x0000000006CA0000-memory.dmp

    Filesize

    320KB

  • memory/1532-11-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1532-53-0x0000000006E70000-0x0000000007032000-memory.dmp

    Filesize

    1.8MB

  • memory/1532-63-0x0000000074B50000-0x0000000075300000-memory.dmp

    Filesize

    7.7MB

  • memory/1532-18-0x0000000074B50000-0x0000000075300000-memory.dmp

    Filesize

    7.7MB

  • memory/1532-16-0x00000000058A0000-0x0000000005906000-memory.dmp

    Filesize

    408KB

  • memory/1532-14-0x0000000074B50000-0x0000000075300000-memory.dmp

    Filesize

    7.7MB

  • memory/3508-19-0x0000000005380000-0x00000000059A8000-memory.dmp

    Filesize

    6.2MB

  • memory/3508-21-0x0000000074B50000-0x0000000075300000-memory.dmp

    Filesize

    7.7MB

  • memory/3508-57-0x0000000007730000-0x0000000007744000-memory.dmp

    Filesize

    80KB

  • memory/3508-55-0x00000000076F0000-0x0000000007701000-memory.dmp

    Filesize

    68KB

  • memory/3508-58-0x0000000007830000-0x000000000784A000-memory.dmp

    Filesize

    104KB

  • memory/3508-23-0x00000000052D0000-0x0000000005336000-memory.dmp

    Filesize

    408KB

  • memory/3508-59-0x0000000007810000-0x0000000007818000-memory.dmp

    Filesize

    32KB

  • memory/3508-17-0x00000000028B0000-0x00000000028E6000-memory.dmp

    Filesize

    216KB

  • memory/3508-50-0x00000000074F0000-0x000000000750A000-memory.dmp

    Filesize

    104KB

  • memory/3508-20-0x0000000074B50000-0x0000000075300000-memory.dmp

    Filesize

    7.7MB

  • memory/3508-62-0x0000000074B50000-0x0000000075300000-memory.dmp

    Filesize

    7.7MB

  • memory/3508-56-0x0000000007720000-0x000000000772E000-memory.dmp

    Filesize

    56KB

  • memory/3508-22-0x0000000005130000-0x0000000005152000-memory.dmp

    Filesize

    136KB

  • memory/3508-54-0x0000000007770000-0x0000000007806000-memory.dmp

    Filesize

    600KB

  • memory/3508-29-0x0000000005C10000-0x0000000005F64000-memory.dmp

    Filesize

    3.3MB

  • memory/3508-52-0x0000000007560000-0x000000000756A000-memory.dmp

    Filesize

    40KB

  • memory/3508-34-0x00000000061D0000-0x00000000061EE000-memory.dmp

    Filesize

    120KB

  • memory/3508-35-0x00000000062E0000-0x000000000632C000-memory.dmp

    Filesize

    304KB

  • memory/3508-36-0x00000000067A0000-0x00000000067D2000-memory.dmp

    Filesize

    200KB

  • memory/3508-37-0x00000000707B0000-0x00000000707FC000-memory.dmp

    Filesize

    304KB

  • memory/3508-47-0x0000000006780000-0x000000000679E000-memory.dmp

    Filesize

    120KB

  • memory/3508-48-0x00000000073B0000-0x0000000007453000-memory.dmp

    Filesize

    652KB

  • memory/3508-49-0x0000000007B30000-0x00000000081AA000-memory.dmp

    Filesize

    6.5MB

  • memory/4996-9-0x0000000074B50000-0x0000000075300000-memory.dmp

    Filesize

    7.7MB

  • memory/4996-0-0x0000000074B5E000-0x0000000074B5F000-memory.dmp

    Filesize

    4KB

  • memory/4996-4-0x0000000074B50000-0x0000000075300000-memory.dmp

    Filesize

    7.7MB

  • memory/4996-3-0x0000000004F50000-0x0000000004FE2000-memory.dmp

    Filesize

    584KB

  • memory/4996-15-0x0000000074B50000-0x0000000075300000-memory.dmp

    Filesize

    7.7MB

  • memory/4996-2-0x00000000055B0000-0x0000000005B54000-memory.dmp

    Filesize

    5.6MB

  • memory/4996-10-0x00000000065C0000-0x0000000006632000-memory.dmp

    Filesize

    456KB

  • memory/4996-1-0x0000000000530000-0x00000000005D0000-memory.dmp

    Filesize

    640KB

  • memory/4996-8-0x0000000074B5E000-0x0000000074B5F000-memory.dmp

    Filesize

    4KB

  • memory/4996-7-0x0000000005560000-0x0000000005578000-memory.dmp

    Filesize

    96KB

  • memory/4996-6-0x0000000005200000-0x000000000529C000-memory.dmp

    Filesize

    624KB

  • memory/4996-5-0x0000000005120000-0x000000000512A000-memory.dmp

    Filesize

    40KB