Analysis

  • max time kernel
    136s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/11/2023, 21:07

General

  • Target

    NEAS.7990192978d6d12758dfb064ee907dd0.exe

  • Size

    468KB

  • MD5

    7990192978d6d12758dfb064ee907dd0

  • SHA1

    e11140a099cafa757f013194e37d2e26ee6ff136

  • SHA256

    1a005f4f95d254e2b01094bbfa1175e7509289f96106789f609708847f8a11a3

  • SHA512

    f7ef89f8c7f64c78044d32e390280cc1baeff448cc73d6e1792821defe46d645a8bc55e9ea7692e11a314a5ddfe776d162e6a1607d01247e65ab62d1a77f19d0

  • SSDEEP

    12288:93CtSokfFGUMKwlTIU/b37dJ75WEe+eKTxB6mX:9x9GzHlTv/b35tecFB6G

Score
10/10

Malware Config

Extracted

Family

urelas

C2

121.88.5.183

121.88.5.184

Signatures

  • Urelas

    Urelas is a trojan targeting card games.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.7990192978d6d12758dfb064ee907dd0.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.7990192978d6d12758dfb064ee907dd0.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1536
    • C:\Users\Admin\AppData\Local\Temp\sander.exe
      "C:\Users\Admin\AppData\Local\Temp\sander.exe"
      2⤵
      • Executes dropped EXE
      PID:3496
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\_sannuyex.bat" "
      2⤵
        PID:3896

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      287B

      MD5

      a63a771b572610f5fc33b29181b1f923

      SHA1

      c5545787db151289486152fdd54b73ebd528fb85

      SHA256

      303da82cb9eec7b8ad84d8e41c9602f2935e3a2c8b85b4726f1e19d587c55ea5

      SHA512

      c7387425ca2a62bc7c21f6524447e450ab7a6242c17132a26937fb74570c4775cfe52113fb7203cbcf58dfb557e62e870389c1769d1f899e0e5e1cf4f9d9299a

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

      Filesize

      512B

      MD5

      145cec05d8d704ff7aa3d812b1aff628

      SHA1

      097ae09965ed3804359803708b8af87b5b90fcbb

      SHA256

      66c8ae290d7cf992faf67b10d1ef8ad91857f3709f459af69b6a11f521a3aeea

      SHA512

      1037d7926aec2831c8b084cc19aa38ce91bc8dcff15af731ce0e7cea79fa7806d4d341a9535c39b0ccb8d6f19bc2badf6d20d3b4ab1c931cd5be6994c4323b9d

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

      Filesize

      468KB

      MD5

      011b2897857855affcfa2f69c191aaa2

      SHA1

      30c32f0a53125b6c78d5f104a023af330ee5b190

      SHA256

      5ec0271dd918bd7faccbf2384a3808736800fcc4e0db01392b0df5035819e8b9

      SHA512

      81882ffb60a94ccbdacd0a8c99e8c166fdefb13db0c52df0d9901fa361f2382577091bdc66734dbd66e72ad3a8ec478bd00933cd0cea786f676ac780e0551836

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

      Filesize

      468KB

      MD5

      011b2897857855affcfa2f69c191aaa2

      SHA1

      30c32f0a53125b6c78d5f104a023af330ee5b190

      SHA256

      5ec0271dd918bd7faccbf2384a3808736800fcc4e0db01392b0df5035819e8b9

      SHA512

      81882ffb60a94ccbdacd0a8c99e8c166fdefb13db0c52df0d9901fa361f2382577091bdc66734dbd66e72ad3a8ec478bd00933cd0cea786f676ac780e0551836

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

      Filesize

      468KB

      MD5

      011b2897857855affcfa2f69c191aaa2

      SHA1

      30c32f0a53125b6c78d5f104a023af330ee5b190

      SHA256

      5ec0271dd918bd7faccbf2384a3808736800fcc4e0db01392b0df5035819e8b9

      SHA512

      81882ffb60a94ccbdacd0a8c99e8c166fdefb13db0c52df0d9901fa361f2382577091bdc66734dbd66e72ad3a8ec478bd00933cd0cea786f676ac780e0551836

    • memory/1536-0-0x0000000000C10000-0x0000000000C92000-memory.dmp

      Filesize

      520KB

    • memory/1536-1-0x0000000000C10000-0x0000000000C92000-memory.dmp

      Filesize

      520KB

    • memory/1536-16-0x0000000000C10000-0x0000000000C92000-memory.dmp

      Filesize

      520KB

    • memory/3496-14-0x0000000000610000-0x0000000000692000-memory.dmp

      Filesize

      520KB

    • memory/3496-19-0x0000000000610000-0x0000000000692000-memory.dmp

      Filesize

      520KB

    • memory/3496-20-0x0000000000610000-0x0000000000692000-memory.dmp

      Filesize

      520KB