Analysis

  • max time kernel
    125s
  • max time network
    130s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-09-2024 07:04

General

  • Target

    f575c056887b83a921d8f618a9f7e0b4_JaffaCakes118.exe

  • Size

    654KB

  • MD5

    f575c056887b83a921d8f618a9f7e0b4

  • SHA1

    e8a5444eec1b2eb4c9a634f378412ebe3b08d7c8

  • SHA256

    ddb4d7efe5f833597322678e85ccb43206f757624e55fa7dcadab6d398f8afea

  • SHA512

    54ad109e27c1ed9ecebd623bafd4df8c92bd92d98e52152d7ca9da2beadbf5303d6bedf72872982c90ff2b36aaa3b82c384b59c9cfd4b11f703d56377333a476

  • SSDEEP

    12288:TK2W/SrQ6mBx89jy+8O2zKDne2wKwXmB+ba:e2SSrLms5y+l2uDnJwY

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.shirdilog.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    SL094521

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.shirdilog.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    SL094521

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • Modifies Windows Defender Real-time Protection settings 3 TTPs 4 IoCs
  • AgentTesla payload 1 IoCs
  • Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
  • Looks for VMWare Tools registry key 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • 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 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Windows security modification 2 TTPs 2 IoCs
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • 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.

  • Modifies registry key 1 TTPs 1 IoCs
  • 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 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f575c056887b83a921d8f618a9f7e0b4_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f575c056887b83a921d8f618a9f7e0b4_JaffaCakes118.exe"
    1⤵
    • Modifies Windows Defender Real-time Protection settings
    • Looks for VirtualBox Guest Additions in registry
    • Looks for VMWare Tools registry key
    • Checks BIOS information in registry
    • Checks computer location settings
    • Windows security modification
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3444
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" Get-MpPreference -verbose
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4032
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\dFdpqYK" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3F9F.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:1212
    • C:\Users\Admin\AppData\Local\Temp\f575c056887b83a921d8f618a9f7e0b4_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\f575c056887b83a921d8f618a9f7e0b4_JaffaCakes118.exe"
      2⤵
        PID:4780
      • C:\Users\Admin\AppData\Local\Temp\f575c056887b83a921d8f618a9f7e0b4_JaffaCakes118.exe
        "C:\Users\Admin\AppData\Local\Temp\f575c056887b83a921d8f618a9f7e0b4_JaffaCakes118.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        • outlook_office_path
        • outlook_win_path
        PID:3312
        • C:\Windows\SysWOW64\REG.exe
          REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer / v NoRun / t REG_DWORD / d 1 / f
          3⤵
          • System Location Discovery: System Language Discovery
          • Modifies registry key
          PID:1572
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4072,i,1828333185976713750,7918646547767660928,262144 --variations-seed-version --mojo-platform-channel-handle=4384 /prefetch:8
      1⤵
        PID:4176

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\f575c056887b83a921d8f618a9f7e0b4_JaffaCakes118.exe.log

        Filesize

        1KB

        MD5

        5200da2e50f24d5d543c3f10674acdcb

        SHA1

        b574a3336839882d799c0a7f635ea238efb934ee

        SHA256

        d2d81c1c9d35bc66149beaa77029bee68664d8512fc1efe373180bab77d61026

        SHA512

        24722a7de3250a6027a411c8b79d0720554c4efd59553f54b94ab77dc21efbf3191e0912901db475f08a6e9c1855d9e9594504d80d27300097418f4384a9d9cb

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_cx0dpjxy.m1r.ps1

        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • C:\Users\Admin\AppData\Local\Temp\tmp3F9F.tmp

        Filesize

        1KB

        MD5

        5204d612dfa9358fcd282ba56073266f

        SHA1

        5aae87aaa6a5b6f83f0217450a376fb0ed4fb116

        SHA256

        35521e1f959296fc6808928dbf48fad17e1dfe115a40e907e27969c316013b1a

        SHA512

        c75149bca0ffe29b252dae655def50ca99c23b5ac3eabb8cd6c5837b71d34a331041fce014ca444257a6645cfcda9c9d6be0eae4f8f8ac22a18af56ba7a65219

      • memory/3312-66-0x0000000000400000-0x0000000000466000-memory.dmp

        Filesize

        408KB

      • memory/3312-70-0x00000000054E0000-0x00000000054F8000-memory.dmp

        Filesize

        96KB

      • memory/3312-71-0x00000000069A0000-0x00000000069F0000-memory.dmp

        Filesize

        320KB

      • memory/3444-10-0x0000000074F90000-0x0000000075740000-memory.dmp

        Filesize

        7.7MB

      • memory/3444-5-0x0000000004C00000-0x0000000004C0A000-memory.dmp

        Filesize

        40KB

      • memory/3444-8-0x0000000004EE0000-0x0000000004EEA000-memory.dmp

        Filesize

        40KB

      • memory/3444-9-0x0000000074F9E000-0x0000000074F9F000-memory.dmp

        Filesize

        4KB

      • memory/3444-6-0x0000000004F40000-0x0000000004F96000-memory.dmp

        Filesize

        344KB

      • memory/3444-11-0x0000000005E10000-0x0000000005E98000-memory.dmp

        Filesize

        544KB

      • memory/3444-12-0x0000000005EA0000-0x0000000005F0A000-memory.dmp

        Filesize

        424KB

      • memory/3444-7-0x0000000074F90000-0x0000000075740000-memory.dmp

        Filesize

        7.7MB

      • memory/3444-4-0x0000000004D10000-0x0000000004DA2000-memory.dmp

        Filesize

        584KB

      • memory/3444-69-0x0000000074F90000-0x0000000075740000-memory.dmp

        Filesize

        7.7MB

      • memory/3444-3-0x00000000052C0000-0x0000000005864000-memory.dmp

        Filesize

        5.6MB

      • memory/3444-2-0x0000000004C70000-0x0000000004D0C000-memory.dmp

        Filesize

        624KB

      • memory/3444-1-0x00000000001B0000-0x000000000025A000-memory.dmp

        Filesize

        680KB

      • memory/3444-0-0x0000000074F9E000-0x0000000074F9F000-memory.dmp

        Filesize

        4KB

      • memory/4032-32-0x00000000069E0000-0x0000000006A2C000-memory.dmp

        Filesize

        304KB

      • memory/4032-50-0x0000000007CF0000-0x0000000007D0A000-memory.dmp

        Filesize

        104KB

      • memory/4032-30-0x0000000006410000-0x0000000006764000-memory.dmp

        Filesize

        3.3MB

      • memory/4032-31-0x00000000069C0000-0x00000000069DE000-memory.dmp

        Filesize

        120KB

      • memory/4032-18-0x0000000006220000-0x0000000006242000-memory.dmp

        Filesize

        136KB

      • memory/4032-44-0x0000000074F90000-0x0000000075740000-memory.dmp

        Filesize

        7.7MB

      • memory/4032-34-0x0000000070930000-0x000000007097C000-memory.dmp

        Filesize

        304KB

      • memory/4032-45-0x0000000007970000-0x000000000798E000-memory.dmp

        Filesize

        120KB

      • memory/4032-33-0x0000000006F80000-0x0000000006FB2000-memory.dmp

        Filesize

        200KB

      • memory/4032-46-0x0000000074F90000-0x0000000075740000-memory.dmp

        Filesize

        7.7MB

      • memory/4032-47-0x0000000074F90000-0x0000000075740000-memory.dmp

        Filesize

        7.7MB

      • memory/4032-48-0x00000000079A0000-0x0000000007A43000-memory.dmp

        Filesize

        652KB

      • memory/4032-49-0x0000000008330000-0x00000000089AA000-memory.dmp

        Filesize

        6.5MB

      • memory/4032-20-0x00000000063A0000-0x0000000006406000-memory.dmp

        Filesize

        408KB

      • memory/4032-51-0x0000000007D60000-0x0000000007D6A000-memory.dmp

        Filesize

        40KB

      • memory/4032-52-0x0000000007F70000-0x0000000008006000-memory.dmp

        Filesize

        600KB

      • memory/4032-53-0x0000000007EF0000-0x0000000007F01000-memory.dmp

        Filesize

        68KB

      • memory/4032-54-0x0000000007F20000-0x0000000007F2E000-memory.dmp

        Filesize

        56KB

      • memory/4032-55-0x0000000007F30000-0x0000000007F44000-memory.dmp

        Filesize

        80KB

      • memory/4032-56-0x0000000008030000-0x000000000804A000-memory.dmp

        Filesize

        104KB

      • memory/4032-57-0x0000000008010000-0x0000000008018000-memory.dmp

        Filesize

        32KB

      • memory/4032-60-0x0000000074F90000-0x0000000075740000-memory.dmp

        Filesize

        7.7MB

      • memory/4032-19-0x00000000062C0000-0x0000000006326000-memory.dmp

        Filesize

        408KB

      • memory/4032-17-0x0000000074F90000-0x0000000075740000-memory.dmp

        Filesize

        7.7MB

      • memory/4032-16-0x0000000074F90000-0x0000000075740000-memory.dmp

        Filesize

        7.7MB

      • memory/4032-15-0x0000000005AB0000-0x00000000060D8000-memory.dmp

        Filesize

        6.2MB

      • memory/4032-14-0x0000000074F90000-0x0000000075740000-memory.dmp

        Filesize

        7.7MB

      • memory/4032-13-0x00000000053D0000-0x0000000005406000-memory.dmp

        Filesize

        216KB