Analysis

  • max time kernel
    145s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-06-2024 02:51

General

  • Target

    b2051422e61b650f35f2a3d6c4ac5eb12f3791153ed8bbb5fd95bb6f88a83490.exe

  • Size

    6.5MB

  • MD5

    80ce7f98edfdd8fe48863438b86eddbc

  • SHA1

    3ac14ddab6abb60e46cb537eba13c441032009ae

  • SHA256

    b2051422e61b650f35f2a3d6c4ac5eb12f3791153ed8bbb5fd95bb6f88a83490

  • SHA512

    da5a971230c05a263a245c6c9ff941bbf6f3a112f3a221d97ce4be04bdb9c37b2801abef0fee7bc0d5de0c6e33ed3b57a7cd8b60cc8b29da12210bbf7e20d1b1

  • SSDEEP

    98304:Roc5swrA2XGxlHKcjTjNk3o659yrnfKtDrKIAyyks+Ctf8mQZVSX:i0LrA2kHKQHNk3og9unipQyOaOX

Score
10/10

Malware Config

Extracted

Family

urelas

C2

218.54.31.165

218.54.31.226

Signatures

  • Urelas

    Urelas is a trojan targeting card games.

  • UPX dump on OEP (original entry point) 4 IoCs
  • Checks computer location settings 2 TTPs 3 IoCs

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

  • Executes dropped EXE 3 IoCs
  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 30 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b2051422e61b650f35f2a3d6c4ac5eb12f3791153ed8bbb5fd95bb6f88a83490.exe
    "C:\Users\Admin\AppData\Local\Temp\b2051422e61b650f35f2a3d6c4ac5eb12f3791153ed8bbb5fd95bb6f88a83490.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2244
    • C:\Users\Admin\AppData\Local\Temp\boheu.exe
      "C:\Users\Admin\AppData\Local\Temp\boheu.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:5052
      • C:\Users\Admin\AppData\Local\Temp\yjyjju.exe
        "C:\Users\Admin\AppData\Local\Temp\yjyjju.exe" OK
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:3776
        • C:\Users\Admin\AppData\Local\Temp\ahajf.exe
          "C:\Users\Admin\AppData\Local\Temp\ahajf.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:4508
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\_vslite.bat" "
          4⤵
            PID:1192
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\_vslite.bat" "
        2⤵
          PID:2528
      • 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 --no-appcompat-clear --field-trial-handle=4320,i,13879737908471496610,15335851594401413307,262144 --variations-seed-version --mojo-platform-channel-handle=1324 /prefetch:8
        1⤵
          PID:1516

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          340B

          MD5

          047258f69b43a63ed080fab58ccc3870

          SHA1

          5f977c66a3c9c4ba4eb7fd64a328e3fb276021c3

          SHA256

          e4247ed07ae9d58a17b8a358208d99b84de0f42a9a6627a7d2a025eabdb5ed25

          SHA512

          eba77558ca6a4421d2adc948186831e4ffba740cf85b95bcf41f560891e8da610c7adcbd166dcb8714d4444ec407b0204884db63b52d0f647093876b41240980

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

          Filesize

          224B

          MD5

          c7f8edd0387a632f56ccc6d6fc5997bf

          SHA1

          af3272060b186d6f56d832965fe6b618c41abb70

          SHA256

          73f92c0e0de1dee4fc276efd5d46190949cd4860d940da398cb80d051f74b1ad

          SHA512

          f58774c90ac735df1501667783e1f777b37aba47e3bf82f9c7368eacb94a84c864b9cc816a00768a674d80d025a462b362d9ae8a85565ad2507e515b14f18711

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

          Filesize

          459KB

          MD5

          e09a0d00412c35e4588ecc1ba715e229

          SHA1

          72ea8c4eff2aa7368a87e0f4a1568d9593ac8c6d

          SHA256

          2c72af82bc070c3b865abcb1149a82a8a8b70bd8da10da9801be1a057e5b1b2f

          SHA512

          58be6d6bb0027cff20c8bafbf264534d173d9a9303b9f887b8715d10e4239a45406a443b34d3cedbc350c36da6d56f0bb27f8d8d0ac24ccec4741f4b5b164f00

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

          Filesize

          6.5MB

          MD5

          24bacb84cacd060e3db28a23708b9c5b

          SHA1

          6db7d95a2fdc727f775e80f1d56185b8cd093c16

          SHA256

          4604200e5d70ac245c37b03df2fe3eece9a84978268321f3dd407c8afb6798e8

          SHA512

          4fd2313a2b08594259bf7faea5f8301d44457c3024598ffa5a200d0cd448f22f307e883b6ea6938deed9052b0c96def2f8f79b0b3efde9b433c8644894d1bc9e

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

          Filesize

          104B

          MD5

          dbef593bccc2049f860f718cd6fec321

          SHA1

          e7e9f8235b4eb70aa99dd2c38009f2152575a8d0

          SHA256

          30f820bb1ca6c20bcd77113c7377e01f31cdf0ec5b64864f22887d41a9bf3c7a

          SHA512

          3e87c661c343b72f5dff4587b99688dbf655be9d6d903a75151bd9f204f55858e90388591f660bcbded5278ef94e322bf3e7c57374c9b16fce1eef7082395a2a

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

          Filesize

          512B

          MD5

          d53fb5f2719d2ff57ed83200088ee4a5

          SHA1

          0f0e0b35676323fb09c37d9cb0e33f5611fffa68

          SHA256

          1e5254fa8d1bdcd75b4f051abee69bcaf7b0831cc6080cb5aa3598b1c8499aae

          SHA512

          e8dff6f1d3161953a1fc457ca323e8cda6e15d05cbd2b2fccd58dda76d72c3b10bc0b6af7f8bf12ebe55b986966983124cef90794aeb032777e5a959025138e7

        • memory/2244-6-0x0000000000526000-0x000000000087A000-memory.dmp

          Filesize

          3.3MB

        • memory/2244-3-0x0000000001080000-0x0000000001081000-memory.dmp

          Filesize

          4KB

        • memory/2244-2-0x0000000001070000-0x0000000001071000-memory.dmp

          Filesize

          4KB

        • memory/2244-1-0x0000000000F80000-0x0000000000F81000-memory.dmp

          Filesize

          4KB

        • memory/2244-14-0x0000000000400000-0x0000000000EEC000-memory.dmp

          Filesize

          10.9MB

        • memory/2244-11-0x0000000000400000-0x0000000000EEC000-memory.dmp

          Filesize

          10.9MB

        • memory/2244-5-0x00000000010C0000-0x00000000010C1000-memory.dmp

          Filesize

          4KB

        • memory/2244-26-0x0000000000400000-0x0000000000EEC000-memory.dmp

          Filesize

          10.9MB

        • memory/2244-27-0x0000000000526000-0x000000000087A000-memory.dmp

          Filesize

          3.3MB

        • memory/2244-0-0x0000000000400000-0x0000000000EEC000-memory.dmp

          Filesize

          10.9MB

        • memory/2244-7-0x00000000010D0000-0x00000000010D1000-memory.dmp

          Filesize

          4KB

        • memory/2244-8-0x00000000010F0000-0x00000000010F1000-memory.dmp

          Filesize

          4KB

        • memory/2244-4-0x00000000010B0000-0x00000000010B1000-memory.dmp

          Filesize

          4KB

        • memory/3776-56-0x0000000002B80000-0x0000000002B81000-memory.dmp

          Filesize

          4KB

        • memory/3776-57-0x0000000000400000-0x0000000000EEC000-memory.dmp

          Filesize

          10.9MB

        • memory/3776-72-0x0000000000400000-0x0000000000EEC000-memory.dmp

          Filesize

          10.9MB

        • memory/3776-53-0x0000000002B50000-0x0000000002B51000-memory.dmp

          Filesize

          4KB

        • memory/3776-54-0x0000000002B60000-0x0000000002B61000-memory.dmp

          Filesize

          4KB

        • memory/3776-55-0x0000000002B70000-0x0000000002B71000-memory.dmp

          Filesize

          4KB

        • memory/3776-52-0x0000000000FB0000-0x0000000000FB1000-memory.dmp

          Filesize

          4KB

        • memory/3776-51-0x0000000000F90000-0x0000000000F91000-memory.dmp

          Filesize

          4KB

        • memory/4508-76-0x0000000000400000-0x0000000000599000-memory.dmp

          Filesize

          1.6MB

        • memory/4508-75-0x0000000000400000-0x0000000000599000-memory.dmp

          Filesize

          1.6MB

        • memory/4508-70-0x0000000000400000-0x0000000000599000-memory.dmp

          Filesize

          1.6MB

        • memory/5052-35-0x0000000002A80000-0x0000000002A81000-memory.dmp

          Filesize

          4KB

        • memory/5052-34-0x0000000002A70000-0x0000000002A71000-memory.dmp

          Filesize

          4KB

        • memory/5052-49-0x0000000000400000-0x0000000000EEC000-memory.dmp

          Filesize

          10.9MB

        • memory/5052-29-0x0000000002A00000-0x0000000002A01000-memory.dmp

          Filesize

          4KB

        • memory/5052-30-0x0000000002A10000-0x0000000002A11000-memory.dmp

          Filesize

          4KB

        • memory/5052-39-0x0000000000400000-0x0000000000EEC000-memory.dmp

          Filesize

          10.9MB

        • memory/5052-31-0x0000000002A20000-0x0000000002A21000-memory.dmp

          Filesize

          4KB

        • memory/5052-32-0x0000000002A50000-0x0000000002A51000-memory.dmp

          Filesize

          4KB

        • memory/5052-36-0x0000000000400000-0x0000000000EEC000-memory.dmp

          Filesize

          10.9MB

        • memory/5052-25-0x0000000000400000-0x0000000000EEC000-memory.dmp

          Filesize

          10.9MB

        • memory/5052-33-0x0000000002A60000-0x0000000002A61000-memory.dmp

          Filesize

          4KB

        • memory/5052-40-0x0000000000400000-0x0000000000EEC000-memory.dmp

          Filesize

          10.9MB