Analysis

  • max time kernel
    141s
  • max time network
    151s
  • 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 21:22

General

  • Target

    860d22d5a35d9f5a75bc77baaaa645d85e3da99129524a29df857294808e1c27.exe

  • Size

    6.9MB

  • MD5

    a260785e58c7bf99259ca34717d43ddf

  • SHA1

    8447e3a5cef3fc2d24e4eafd728186ee4c0aa06a

  • SHA256

    860d22d5a35d9f5a75bc77baaaa645d85e3da99129524a29df857294808e1c27

  • SHA512

    7088708d0638c6cccfa65ccf9aee6fa404df84f835113d1b74652cc02c1f839c161c0695f8647977690c149a90baba18173fb7f30c0cd74f6019dd155fa841e9

  • SSDEEP

    196608:KA89BmaeXRdyXFnlUrU7o7Bz3HzNNn1jnNnTfMImG0zj:yBmakyVnlUQ7Wz3Tv1jNTh0zj

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\860d22d5a35d9f5a75bc77baaaa645d85e3da99129524a29df857294808e1c27.exe
    "C:\Users\Admin\AppData\Local\Temp\860d22d5a35d9f5a75bc77baaaa645d85e3da99129524a29df857294808e1c27.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2800
    • C:\Users\Admin\AppData\Local\Temp\is-D8HV9.tmp\860d22d5a35d9f5a75bc77baaaa645d85e3da99129524a29df857294808e1c27.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-D8HV9.tmp\860d22d5a35d9f5a75bc77baaaa645d85e3da99129524a29df857294808e1c27.tmp" /SL5="$60224,6977575,54272,C:\Users\Admin\AppData\Local\Temp\860d22d5a35d9f5a75bc77baaaa645d85e3da99129524a29df857294808e1c27.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4660
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:2500
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -i
          3⤵
          • Executes dropped EXE
          PID:4268
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -s
          3⤵
          • Executes dropped EXE
          PID:2460
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 10
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4292
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 10
            4⤵
              PID:4152

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        45KB

        MD5

        dc091292886ccf8ff554bdec25921de5

        SHA1

        03401566b82b8a970d916acf2507043337ba0b71

        SHA256

        5cd677011325a3c35a72c08f3bccff02e3e2717fc3afc6781f109ae256ddc662

        SHA512

        64b9c5c86a2915685f5d793f2146f5a065055c3ecd7696edbde2fb6124a41a93e2ca3f50a399022a24786240a375f34f683896ddd6f15355471539e82ca5ee54

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

        Filesize

        575KB

        MD5

        3f048c7d451def82530ff35def2f177e

        SHA1

        b0113a1355c064acc2fde45e4a2e2d0129d1f457

        SHA256

        d96be5a812a4f9913c2098e13649debd392b307912e074b2b11acbfc50cfdcd9

        SHA512

        105fd90ae8aa85b4a2a816c8eed52d39c19086653b764f2a613fd4eb4bed191e19a717de3b453d4b54ceed1874c6868038717a727525da3bc81c15fdab42ef8b

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

        Filesize

        538KB

        MD5

        97b8e0120d76792e666488249014e53b

        SHA1

        8e2f27f57307d434447904acf09c8d2204c04084

        SHA256

        a0288c82212052d96396f3c401af2d02b3b5c4358ba486ff72d1d8267e9d0b9b

        SHA512

        ff8fa1df08f5670f72545285968c665f27d00bb9bfdd906f1f1ce028ac7e3519266997b9ab72d746637cdf351fb3fa01fbcfe69b27660210f57d84f6b20f4b8d

      • C:\Users\Admin\AppData\Local\Temp\is-D8HV9.tmp\860d22d5a35d9f5a75bc77baaaa645d85e3da99129524a29df857294808e1c27.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • C:\Users\Admin\AppData\Local\Temp\is-D8HV9.tmp\860d22d5a35d9f5a75bc77baaaa645d85e3da99129524a29df857294808e1c27.tmp

        Filesize

        681KB

        MD5

        08e139250f32e341311938c246cdda4b

        SHA1

        e2c36b91f69b53b60dfde5a7a3762c0ac9ff3fe6

        SHA256

        f3ea9590878a2b7bc2519294348f50dcf834609d922c1285d4d33772ecc987dc

        SHA512

        913a9e8c2b5d777fd50d6bb1b25c16ef2315fbda04babfb0a665a2997129484a9edb7c62497cec5ef058cb78a2255500c6d0f77b790cf1770b44bc00ef210870

      • \Users\Admin\AppData\Local\Temp\is-RIU2S.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • \Users\Admin\AppData\Local\Temp\is-RIU2S.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • memory/2460-158-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2460-175-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2460-188-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2460-205-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2460-202-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2460-198-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2460-185-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2460-189-0x00000000008F0000-0x0000000000992000-memory.dmp

        Filesize

        648KB

      • memory/2460-182-0x00000000008F0000-0x0000000000992000-memory.dmp

        Filesize

        648KB

      • memory/2460-195-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2460-161-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2460-192-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2460-165-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2460-166-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2460-169-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2460-172-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2460-208-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2460-176-0x00000000008F0000-0x0000000000992000-memory.dmp

        Filesize

        648KB

      • memory/2460-181-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2800-159-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/2800-2-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/2800-0-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/4268-151-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4268-154-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4268-155-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4268-152-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4660-162-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/4660-160-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/4660-7-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB