Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    17-10-2024 04:45

General

  • Target

    OpenBullet2.Native.exe

  • Size

    1.5MB

  • MD5

    aa0a9a5dc507324200b6fa394bca7c9a

  • SHA1

    54c4f883fadb619082abdea43689ac16247fdd8c

  • SHA256

    560da3dd2f5d64466f1bcc3c9c6091c7729db8493151240f6fa235d2fa208272

  • SHA512

    907bd97c23cc039b0328e77c68a0ca5ce2a00daf717d9b82432c320436e3214eac8e22d5f58475168ed0ffbbac9eb7cb69721f3bde2b172020eb5404dda9a154

  • SSDEEP

    49152:r7YdV288AqBKJIKBztU4ETekl1SzPXGuxZ/PUgD6TaytJolaPcVtM6jP:/LKBztU4G1SzeoPUuwGMW

Malware Config

Signatures

  • Meduza

    Meduza is a crypto wallet and info stealer written in C++.

  • Meduza Stealer payload 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 7 IoCs
  • Loads dropped DLL 5 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 8 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 use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 55 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\OpenBullet2.Native.exe
    "C:\Users\Admin\AppData\Local\Temp\OpenBullet2.Native.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2716
    • C:\Users\Admin\api.exe
      "C:\Users\Admin\api.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      PID:2108
    • C:\Users\Admin\AppData\Local\Temp\leaf.exe
      "C:\Users\Admin\AppData\Local\Temp\leaf.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2728
      • C:\Users\Admin\AppData\Local\Temp\leaf.exe
        "{path}"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3000
        • C:\Windows\SysWOW64\cmd.exe
          "cmd.exe" /C schtasks /create /tn \eOzNUSwmQA /tr "C:\Users\Admin\AppData\Roaming\eOzNUSwmQA\svcupdater.exe" /st 00:00 /du 9999:59 /sc once /ri 1 /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2972
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /create /tn \eOzNUSwmQA /tr "C:\Users\Admin\AppData\Roaming\eOzNUSwmQA\svcupdater.exe" /st 00:00 /du 9999:59 /sc once /ri 1 /f
            5⤵
            • System Location Discovery: System Language Discovery
            • Scheduled Task/Job: Scheduled Task
            PID:3024
    • C:\Users\Admin\AppData\Local\Temp\app.exe
      "C:\Users\Admin\AppData\Local\Temp\app.exe"
      2⤵
      • Executes dropped EXE
      PID:2732
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {1E755AEB-2D24-4FF7-A465-37EB411AA28C} S-1-5-21-1488793075-819845221-1497111674-1000:UPNECVIU\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1892
    • C:\Users\Admin\AppData\Roaming\eOzNUSwmQA\svcupdater.exe
      C:\Users\Admin\AppData\Roaming\eOzNUSwmQA\svcupdater.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:780
      • C:\Users\Admin\AppData\Roaming\eOzNUSwmQA\svcupdater.exe
        "{path}"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:2756
    • C:\Users\Admin\AppData\Roaming\eOzNUSwmQA\svcupdater.exe
      C:\Users\Admin\AppData\Roaming\eOzNUSwmQA\svcupdater.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2508

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    630KB

    MD5

    8c8c3bcf475b5c95673a810b10a2fc52

    SHA1

    268cb3a6a4194efb14c1bdc82cfab3485c64fa73

    SHA256

    7f02583173f6e150677af6fe09226fa6b4fc9efa2523f393a89b31155a1122c0

    SHA512

    f1948ce32f46a34e425d2f59f5c4e6de56cbc1e29ecfd706c95f4b00ec2831ccc21a44b81cd18d8d03fe6681463276cd4c8d31b19bff712574b1ff765bb4e846

  • C:\Users\Admin\AppData\Roaming\eOzNUSwmQA\svcupdater.exe

    Filesize

    674.6MB

    MD5

    d64c8cef0401d79c69a964a67210ba34

    SHA1

    1faf7128f5fd5e025ce8718f6f3a9b07c6817664

    SHA256

    4036bfd2652f5ba68c9ec5bdec2a735b3c63f2ae2c252f65a6fe250a653dd9e6

    SHA512

    2904eabcc013feb9f60e8811bf3eff15e4883ae4524a01886f70f9e07e297d2e766305e0a6d530f776cb44906c5dfc876fe670ff69782631823528cea3a22e45

  • \Users\Admin\AppData\Local\Temp\app.exe

    Filesize

    146KB

    MD5

    ee892d9effdb59eebaa822ac943df0a2

    SHA1

    ba98b011e27c92d4064a771b6c1ad5eb40adb86a

    SHA256

    ff60f3a01aa5cb89c356e12fe375e4f5349df1777235f745913c78819218c06b

    SHA512

    eaae421c35b5637a2edf489dbb26473f38879f1ed9125d9b91344318c659a36bebbc8bccb20b592eeb955d392fdbe6e1bc5685349209fb4d9a8ce1c744ff9b86

  • \Users\Admin\api.exe

    Filesize

    677KB

    MD5

    9022192413dda223b6e8afd73a22cfaa

    SHA1

    dbfc6d6667fcc47daa13a317c8791a93f5e495b0

    SHA256

    f575eb5246b5c6b9044ea04610528c040c982904a5fb3dc1909ce2f0ec15c9ef

    SHA512

    d5311ba2138f184b44b73e63067e5446a77640bfe9f75c87e81935e120ee3ca1918ad3d36ebcf24ebadff0d9afec10ab1d3276d4b20d9821466ba8183c80b7ab

  • memory/780-40-0x00000000013B0000-0x0000000001454000-memory.dmp

    Filesize

    656KB

  • memory/2728-20-0x0000000000A20000-0x0000000000A80000-memory.dmp

    Filesize

    384KB

  • memory/2728-19-0x00000000003D0000-0x00000000003E4000-memory.dmp

    Filesize

    80KB

  • memory/2728-21-0x00000000004D0000-0x00000000004D8000-memory.dmp

    Filesize

    32KB

  • memory/2728-18-0x0000000001080000-0x0000000001124000-memory.dmp

    Filesize

    656KB

  • memory/2756-54-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2756-53-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2756-50-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/3000-29-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/3000-35-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/3000-34-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/3000-31-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/3000-32-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/3000-27-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/3000-25-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/3000-23-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB