Analysis

  • max time kernel
    122s
  • max time network
    137s
  • platform
    windows10-1703_x64
  • resource
    win10-20231129-en
  • resource tags

    arch:x64arch:x86image:win10-20231129-enlocale:en-usos:windows10-1703-x64system
  • submitted
    10/12/2023, 23:15

General

  • Target

    6aa3c6f09859a4f359e27d133e06e4fd45af94008c0f34257cf5b10cdb47f002.exe

  • Size

    6.9MB

  • MD5

    b4d64b98353ba32f175cffa1ff0323cc

  • SHA1

    810ac8ecf255a7e11468ba6dde8b9dde27944010

  • SHA256

    6aa3c6f09859a4f359e27d133e06e4fd45af94008c0f34257cf5b10cdb47f002

  • SHA512

    de497b2ba8beb4b46c46ebd3d09707b8e812cde10045ceb1d853a5f6fa5e5287c4a845225d5fbc27b85e3abf243b3d0ca2e468fed383ca409c5d50a3c792d322

  • SSDEEP

    196608:+Snj/mmV+GsH+bNueuJRAZVAOk5Vvz+tqE9AmEkzj:+SjumV+jHUodIjk5VzfE9Awzj

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 IoCs
  • Unexpected DNS network traffic destination 1 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in Program Files directory 63 IoCs
  • Runs net.exe
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6aa3c6f09859a4f359e27d133e06e4fd45af94008c0f34257cf5b10cdb47f002.exe
    "C:\Users\Admin\AppData\Local\Temp\6aa3c6f09859a4f359e27d133e06e4fd45af94008c0f34257cf5b10cdb47f002.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2424
    • C:\Users\Admin\AppData\Local\Temp\is-D77IR.tmp\6aa3c6f09859a4f359e27d133e06e4fd45af94008c0f34257cf5b10cdb47f002.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-D77IR.tmp\6aa3c6f09859a4f359e27d133e06e4fd45af94008c0f34257cf5b10cdb47f002.tmp" /SL5="$50212,6998999,54272,C:\Users\Admin\AppData\Local\Temp\6aa3c6f09859a4f359e27d133e06e4fd45af94008c0f34257cf5b10cdb47f002.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2400
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:3424
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -i
          3⤵
          • Executes dropped EXE
          PID:2664
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -s
          3⤵
          • Executes dropped EXE
          PID:2684
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 10
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3892
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 10
            4⤵
              PID:3568

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Program Files (x86)\CRTGame\crtgame.exe

        Filesize

        384KB

        MD5

        9b6934218392d34ee9b66cd4ca1d7b1b

        SHA1

        dd261c5fd72ad55a833da9f75ae91bb801fd3c16

        SHA256

        6328f260d4c09f34c76eee3aa264fd1b944af5ef8fccf56a0c33bf4dbb2577fc

        SHA512

        724b00c7c4bc39403203544dea8e337cf97531febaa3797dc2fda98336129dc21b2aad9161ecda3f0aa87637302ebb47755665c4f94e89bee27417e250e15004

      • C:\Program Files (x86)\CRTGame\crtgame.exe

        Filesize

        320KB

        MD5

        6ffe24a1ce0a3b345e9858e0c59ddc8f

        SHA1

        2cfb227a77c88e084495fc2658d7bb8a826a5129

        SHA256

        004099f8f97d64a095e631ab88c664f98b64241b2cee9b464ab4e1e59c245248

        SHA512

        bbf1e8cb27fa25e3dc1d6ecf3861076756d889ea33e5e47de1dedd3c1ce008169debd97d683ea5c73770281c87960f072b3586caca7da0bb6c8c5f86839f4058

      • C:\Program Files (x86)\CRTGame\crtgame.exe

        Filesize

        412KB

        MD5

        62c2eb95737b94e91e952d5a9b0fc273

        SHA1

        b4dfcc9ea5913fe9d093aeb43d677227cf957611

        SHA256

        02f6f1234c48af39a13e18bc2e9e6e6cd5b96614191d487b02fca48e391dcc90

        SHA512

        2367990c0cc77e79136edcf27108496ecacc6e03df92ede229d64549a07fca0a4690a0126afeafeed80d1e9d6706593db1ecb60f49b7424b94bdec2a10fcf769

      • C:\Users\Admin\AppData\Local\Temp\is-D77IR.tmp\6aa3c6f09859a4f359e27d133e06e4fd45af94008c0f34257cf5b10cdb47f002.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • C:\Users\Admin\AppData\Local\Temp\is-D77IR.tmp\6aa3c6f09859a4f359e27d133e06e4fd45af94008c0f34257cf5b10cdb47f002.tmp

        Filesize

        412KB

        MD5

        8cd09513cd6569c2b5d54294e9f13cd1

        SHA1

        987783b7940db5a33e72270f345d7c3dcb86644a

        SHA256

        566a0546e592d09f0a86f115939182761c3f1e9726ba29be34fa874162e50bbf

        SHA512

        33a46d217852d30e9b0f060f0ba688ad30993be58f5f5e16c5dccdac6379431575c8a3ba323b06e033141390e54622b3ca0381c4b6bd0cd39fb921923aa3f257

      • \Users\Admin\AppData\Local\Temp\is-QLNM7.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • \Users\Admin\AppData\Local\Temp\is-QLNM7.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • memory/2400-7-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/2400-162-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/2400-160-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/2424-159-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/2424-0-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/2424-2-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/2664-151-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2664-154-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2664-152-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2684-177-0x0000000000770000-0x0000000000811000-memory.dmp

        Filesize

        644KB

      • memory/2684-181-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2684-156-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2684-164-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2684-166-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2684-169-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2684-172-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2684-175-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2684-158-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2684-161-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2684-182-0x0000000000770000-0x0000000000811000-memory.dmp

        Filesize

        644KB

      • memory/2684-185-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2684-188-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2684-189-0x0000000000770000-0x0000000000811000-memory.dmp

        Filesize

        644KB

      • memory/2684-192-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2684-195-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2684-198-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2684-202-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2684-205-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2684-208-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB