Analysis

  • max time kernel
    147s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-11-2024 01:12

General

  • Target

    ef7fb11fdb85d8824af5f3b20e6aeaa0531c0d718d3d11dc04948a5d924bb0c1.exe

  • Size

    923KB

  • MD5

    c214377ddbfc6b4721db28b83e381edd

  • SHA1

    8ca975d7e8a3a581659076d09147cb2e1ff95b99

  • SHA256

    ef7fb11fdb85d8824af5f3b20e6aeaa0531c0d718d3d11dc04948a5d924bb0c1

  • SHA512

    c9ed14ecfa7fbb127ea25eb97ae17c4e4f292dbc7ad18aa4d98dccac57859125d4b7333cd95e0e52d476ad4b7f6365000f61a047e498c5f6335c03ab85ef1319

  • SSDEEP

    24576:kk7vQavyVoyXO+Q0drrgWID8TUo0yLWXTAxs0Ts:x7vQavyGZ2xrgWIUJLmYVo

Malware Config

Extracted

Family

redline

Botnet

professor

C2

91.92.109.70:9412

Attributes
  • auth_value

    e49ffb4df6cacbfbb1d4dc8e6b137a0a

Extracted

Family

agenttesla

Credentials

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

C2

91.92.109.70:5353

Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot1982610890:AAFCcNp1Tl28ILhhdWKR-lR4Xpa_V1kwvCk/sendMessage?chat_id=860277004

Signatures

  • AgentTesla

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

  • Agenttesla family
  • AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

  • Asyncrat family
  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine payload 2 IoCs
  • Redline family
  • SectopRAT

    SectopRAT is a remote access trojan first seen in November 2019.

  • SectopRAT payload 2 IoCs
  • Sectoprat family
  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 2 IoCs
  • Snakekeylogger family
  • AgentTesla payload 2 IoCs
  • Async RAT payload 1 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 4 IoCs
  • 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 3 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).

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 7 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 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ef7fb11fdb85d8824af5f3b20e6aeaa0531c0d718d3d11dc04948a5d924bb0c1.exe
    "C:\Users\Admin\AppData\Local\Temp\ef7fb11fdb85d8824af5f3b20e6aeaa0531c0d718d3d11dc04948a5d924bb0c1.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:3084
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vOUbYWeBQhU" /XML "C:\Users\Admin\AppData\Local\Temp\tmp194F.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:1760
    • C:\Users\Admin\AppData\Local\Temp\ef7fb11fdb85d8824af5f3b20e6aeaa0531c0d718d3d11dc04948a5d924bb0c1.exe
      "C:\Users\Admin\AppData\Local\Temp\ef7fb11fdb85d8824af5f3b20e6aeaa0531c0d718d3d11dc04948a5d924bb0c1.exe"
      2⤵
      • Checks computer location settings
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3604
      • C:\Users\Admin\AppData\Local\Temp\shawori4.0.exe
        "C:\Users\Admin\AppData\Local\Temp\shawori4.0.exe"
        3⤵
        • Executes dropped EXE
        • Accesses Microsoft Outlook profiles
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • outlook_office_path
        • outlook_win_path
        PID:2244
      • C:\Users\Admin\AppData\Local\Temp\Doc2.exe
        "C:\Users\Admin\AppData\Local\Temp\Doc2.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:1496
      • C:\Users\Admin\AppData\Local\Temp\Doc.exe
        "C:\Users\Admin\AppData\Local\Temp\Doc.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:2736
      • C:\Users\Admin\AppData\Local\Temp\shaw snake 4.0.exe
        "C:\Users\Admin\AppData\Local\Temp\shaw snake 4.0.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2468
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2468 -s 1812
          4⤵
          • Program crash
          PID:2336
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2468 -ip 2468
    1⤵
      PID:4408

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\ef7fb11fdb85d8824af5f3b20e6aeaa0531c0d718d3d11dc04948a5d924bb0c1.exe.log

      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • C:\Users\Admin\AppData\Local\Temp\Doc.exe

      Filesize

      45KB

      MD5

      ff911b01de9c67664cbeebf071651d9b

      SHA1

      a4965610cb6f0a28f29d64977c1535a80ff78792

      SHA256

      75958183900ca3ae5e707883fac463595f5b9faf79ebe14166987abceacd91a9

      SHA512

      bbe15c5e94e89c138503e6790cf186ee7e854e78a4f5c7c743bead341eeb23468e04fbbaf5f6c642f3409e32d62e6ac525548b97f05c67b18150a470b98e238c

    • C:\Users\Admin\AppData\Local\Temp\Doc2.exe

      Filesize

      113KB

      MD5

      f824b1597b0746ebeee1679d0b5dcc20

      SHA1

      00f489e1ccf525375e65fa8b7f5e2c3e805af195

      SHA256

      69cccd5a3c14567765d9ab3c826dbf37c3a82c8c477e3070460c8eb7935dd3f8

      SHA512

      43507337e82242141499a9b987303c1dbcffb9c7674dedd92317c7fe519a615db9b836f0367706a043861635e9305f220dbb4a6781cd34e75ef95469995da057

    • C:\Users\Admin\AppData\Local\Temp\shaw snake 4.0.exe

      Filesize

      126KB

      MD5

      00bbb41ac9e00544de16a8328c0fc897

      SHA1

      b4fcda6c599ed90229094df77d3b4c5eb2e73c94

      SHA256

      01f13fca1b5e671d54999a10a6081e51fae1b37e907a29d800241202f69a196b

      SHA512

      30ac40ace33d6b2693fb9f8910d3b5bf656fb2974551bed20982f2d0a8cb834cdb2a1246fce736371e1f76f0d4a10a8549d41ddd4940f2aef60548de54fadfcb

    • C:\Users\Admin\AppData\Local\Temp\shawori4.0.exe

      Filesize

      216KB

      MD5

      b2d8b1dbac147077cae57ee37de6f696

      SHA1

      b288a5e3602d7ae8dc36dd599a96db18505ea34b

      SHA256

      38cef761a233c69139074ba5366dbadba96a30035d29bd684fd985f3ea903fcd

      SHA512

      546c7e49a40fde647045c5af19a6761c79ae92377f3802c72c4491ab290f49dfba10fd6d44d9b38fda00860a9e6ec6ab79ad61fbee2d3cb3aeacc0a7a663f3ba

    • memory/1496-70-0x0000000000B60000-0x0000000000B82000-memory.dmp

      Filesize

      136KB

    • memory/1496-75-0x00000000054B0000-0x00000000054FC000-memory.dmp

      Filesize

      304KB

    • memory/1496-74-0x0000000005470000-0x00000000054AC000-memory.dmp

      Filesize

      240KB

    • memory/1496-73-0x0000000005530000-0x000000000563A000-memory.dmp

      Filesize

      1.0MB

    • memory/1496-72-0x0000000005400000-0x0000000005412000-memory.dmp

      Filesize

      72KB

    • memory/1496-71-0x0000000005A00000-0x0000000006018000-memory.dmp

      Filesize

      6.1MB

    • memory/2244-45-0x00000000005F0000-0x000000000062C000-memory.dmp

      Filesize

      240KB

    • memory/2244-78-0x0000000000EB0000-0x0000000000F00000-memory.dmp

      Filesize

      320KB

    • memory/2244-77-0x0000000005D90000-0x0000000005DF6000-memory.dmp

      Filesize

      408KB

    • memory/2244-76-0x00000000050B0000-0x00000000050C8000-memory.dmp

      Filesize

      96KB

    • memory/2468-67-0x0000000000B50000-0x0000000000B76000-memory.dmp

      Filesize

      152KB

    • memory/2736-63-0x00000000008D0000-0x00000000008E2000-memory.dmp

      Filesize

      72KB

    • memory/3084-0-0x0000000074C4E000-0x0000000074C4F000-memory.dmp

      Filesize

      4KB

    • memory/3084-6-0x00000000058A0000-0x00000000058AE000-memory.dmp

      Filesize

      56KB

    • memory/3084-2-0x0000000005C70000-0x0000000006214000-memory.dmp

      Filesize

      5.6MB

    • memory/3084-1-0x0000000000B00000-0x0000000000BEE000-memory.dmp

      Filesize

      952KB

    • memory/3084-5-0x0000000005690000-0x000000000569A000-memory.dmp

      Filesize

      40KB

    • memory/3084-4-0x0000000074C40000-0x00000000753F0000-memory.dmp

      Filesize

      7.7MB

    • memory/3084-7-0x0000000074C4E000-0x0000000074C4F000-memory.dmp

      Filesize

      4KB

    • memory/3084-3-0x00000000055F0000-0x0000000005682000-memory.dmp

      Filesize

      584KB

    • memory/3084-8-0x0000000074C40000-0x00000000753F0000-memory.dmp

      Filesize

      7.7MB

    • memory/3084-20-0x0000000074C40000-0x00000000753F0000-memory.dmp

      Filesize

      7.7MB

    • memory/3084-9-0x0000000008280000-0x000000000831C000-memory.dmp

      Filesize

      624KB

    • memory/3084-10-0x00000000085B0000-0x0000000008686000-memory.dmp

      Filesize

      856KB

    • memory/3604-16-0x0000000000400000-0x00000000004B0000-memory.dmp

      Filesize

      704KB

    • memory/3604-18-0x0000000074C40000-0x00000000753F0000-memory.dmp

      Filesize

      7.7MB

    • memory/3604-21-0x0000000074C40000-0x00000000753F0000-memory.dmp

      Filesize

      7.7MB

    • memory/3604-68-0x0000000074C40000-0x00000000753F0000-memory.dmp

      Filesize

      7.7MB