Analysis

  • max time kernel
    151s
  • max time network
    143s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    11/10/2023, 21:50

General

  • Target

    70dffc95dc1f94ad8f908407819e4dc8_JC.exe

  • Size

    455KB

  • MD5

    70dffc95dc1f94ad8f908407819e4dc8

  • SHA1

    5a97bf3c548a42b61aabc50814aca3e1de36c8b1

  • SHA256

    8c0d42321d0e739b89aec2e48b6c31ec459895f9965bc7bc53c127ed0dbe89ac

  • SHA512

    76040b30cfede6068ace9cad009cf9d175e6c1c6950ed5ae975e6e9f384a64fb8cca1140457262ed8ef8665096304d1cbe98c9ed4339af39e4b43af6032447cf

  • SSDEEP

    6144:r/VW8rQ+dqof6VcVttGhZsXtvmqoI+CNLOnmIbCM2dWwh3gNUie2Jy+5vmSZGpVd:ZtaQt+ZsFeI+CSZbyKLe2JPFE

Score
10/10

Malware Config

Extracted

Family

urelas

C2

218.54.31.226

218.54.31.165

Signatures

  • Urelas

    Urelas is a trojan targeting card games.

  • ASPack v2.12-2.42 2 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 49 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\70dffc95dc1f94ad8f908407819e4dc8_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\70dffc95dc1f94ad8f908407819e4dc8_JC.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2260
    • C:\Users\Admin\AppData\Local\Temp\omfox.exe
      "C:\Users\Admin\AppData\Local\Temp\omfox.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2424
      • C:\Users\Admin\AppData\Local\Temp\zusyw.exe
        "C:\Users\Admin\AppData\Local\Temp\zusyw.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:2528
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\_uinsey.bat" "
      2⤵
      • Deletes itself
      PID:2352

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\_uinsey.bat

          Filesize

          282B

          MD5

          81a3e16817570ef36731e83247d70b2a

          SHA1

          c3a4778cbb648526f60b9e23c2d42067f77e4daa

          SHA256

          934a68e0fd2b6aa915b45dbe290060f7c2c58ef47d39f80d1fa0ea0ab51d305a

          SHA512

          f07d70389fee6e9fe6ff341a6e8460bb952fe645fb84e81ba0676c2029cbf521bfb1d7d981d2e027e43ecd58193296dd43e5e09a510a26de95dc8829f4352efb

        • C:\Users\Admin\AppData\Local\Temp\_uinsey.bat

          Filesize

          282B

          MD5

          81a3e16817570ef36731e83247d70b2a

          SHA1

          c3a4778cbb648526f60b9e23c2d42067f77e4daa

          SHA256

          934a68e0fd2b6aa915b45dbe290060f7c2c58ef47d39f80d1fa0ea0ab51d305a

          SHA512

          f07d70389fee6e9fe6ff341a6e8460bb952fe645fb84e81ba0676c2029cbf521bfb1d7d981d2e027e43ecd58193296dd43e5e09a510a26de95dc8829f4352efb

        • C:\Users\Admin\AppData\Local\Temp\golfinfo.ini

          Filesize

          512B

          MD5

          0f34d7a166ba9ba6e70e98dcd5eee22d

          SHA1

          9f6b478cfda372ffdf65630a2027d00c74f0e2eb

          SHA256

          d508edd73edd0d6884f5fd1bcc8f4463059e2f4c93e8fdc348f420c5e9540f5f

          SHA512

          4236fb4c5a8b16c72bbd838f43a14b1e3d4b2ee78afb2ca66c83dc1026e199f5616a14f84204f5b4d72e8307a16198486058bdb39e7a981df37b49364f2da6f7

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

          Filesize

          455KB

          MD5

          4ed94be4a851e08ac434940ceddd672f

          SHA1

          3efec8b8c51f80af563c96332fe0d28c33528e6b

          SHA256

          dc2b75a106595323f5db125b9ffda73fa1ea38e90f801fe72ddc5ce764d3aa40

          SHA512

          353b68d0cd099a91a5b90ec0e1068fd4a0c06eba46d2137ddd6de865911f87b4d0ad1d6eb6f06fa203369dd68d33f41332ddd43ab91f6307037f7531f758f3fb

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

          Filesize

          455KB

          MD5

          4ed94be4a851e08ac434940ceddd672f

          SHA1

          3efec8b8c51f80af563c96332fe0d28c33528e6b

          SHA256

          dc2b75a106595323f5db125b9ffda73fa1ea38e90f801fe72ddc5ce764d3aa40

          SHA512

          353b68d0cd099a91a5b90ec0e1068fd4a0c06eba46d2137ddd6de865911f87b4d0ad1d6eb6f06fa203369dd68d33f41332ddd43ab91f6307037f7531f758f3fb

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

          Filesize

          455KB

          MD5

          8081dfa3d233afd54d7a5d6a9a8088a6

          SHA1

          c95b49d44ac5aad927b04ef1d3608c8fc0ec5b08

          SHA256

          34866ec873a1fda1bdee1663128103f3501176c12c1704801efd7f8d7e59a66d

          SHA512

          64554a6409e286e07994ca4330b02caceed182e129670db77126e6468a5edce382f3b925f8b0cff8e288861f645f78d2f83e00ee53e0ee504639fa45a7b6adf5

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

          Filesize

          225KB

          MD5

          f73f35f82593dd92a16333fc0328b202

          SHA1

          cbc9d9f828d6f862d1a84cf0ee2dd4abc53bb241

          SHA256

          1761447beaea29a6c7b6975a5de56ec94bb8f212041cd5d9da94e8eedf5ff762

          SHA512

          6bd7fae38fd0a18a92e4226b53ac05d6040de1d7893e84e952a20171bf793a65f3d5ec3d41de74d367c94fca2ef2ea9676c3c83333c75a7f6e9bcf9b90603f57

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

          Filesize

          455KB

          MD5

          4ed94be4a851e08ac434940ceddd672f

          SHA1

          3efec8b8c51f80af563c96332fe0d28c33528e6b

          SHA256

          dc2b75a106595323f5db125b9ffda73fa1ea38e90f801fe72ddc5ce764d3aa40

          SHA512

          353b68d0cd099a91a5b90ec0e1068fd4a0c06eba46d2137ddd6de865911f87b4d0ad1d6eb6f06fa203369dd68d33f41332ddd43ab91f6307037f7531f758f3fb

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

          Filesize

          225KB

          MD5

          f73f35f82593dd92a16333fc0328b202

          SHA1

          cbc9d9f828d6f862d1a84cf0ee2dd4abc53bb241

          SHA256

          1761447beaea29a6c7b6975a5de56ec94bb8f212041cd5d9da94e8eedf5ff762

          SHA512

          6bd7fae38fd0a18a92e4226b53ac05d6040de1d7893e84e952a20171bf793a65f3d5ec3d41de74d367c94fca2ef2ea9676c3c83333c75a7f6e9bcf9b90603f57

        • memory/2260-20-0x0000000000860000-0x00000000008E0000-memory.dmp

          Filesize

          512KB

        • memory/2260-0-0x0000000000860000-0x00000000008E0000-memory.dmp

          Filesize

          512KB

        • memory/2260-8-0x0000000002450000-0x00000000024D0000-memory.dmp

          Filesize

          512KB

        • memory/2260-1-0x0000000000860000-0x00000000008E0000-memory.dmp

          Filesize

          512KB

        • memory/2424-30-0x00000000002F0000-0x0000000000370000-memory.dmp

          Filesize

          512KB

        • memory/2424-23-0x00000000002F0000-0x0000000000370000-memory.dmp

          Filesize

          512KB

        • memory/2424-19-0x00000000002F0000-0x0000000000370000-memory.dmp

          Filesize

          512KB

        • memory/2424-29-0x0000000003920000-0x00000000039BE000-memory.dmp

          Filesize

          632KB

        • memory/2528-33-0x0000000000990000-0x0000000000A2E000-memory.dmp

          Filesize

          632KB

        • memory/2528-35-0x0000000000990000-0x0000000000A2E000-memory.dmp

          Filesize

          632KB

        • memory/2528-34-0x0000000000990000-0x0000000000A2E000-memory.dmp

          Filesize

          632KB

        • memory/2528-38-0x0000000000990000-0x0000000000A2E000-memory.dmp

          Filesize

          632KB

        • memory/2528-39-0x0000000000990000-0x0000000000A2E000-memory.dmp

          Filesize

          632KB

        • memory/2528-40-0x0000000000990000-0x0000000000A2E000-memory.dmp

          Filesize

          632KB

        • memory/2528-41-0x0000000000990000-0x0000000000A2E000-memory.dmp

          Filesize

          632KB

        • memory/2528-42-0x0000000000990000-0x0000000000A2E000-memory.dmp

          Filesize

          632KB