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Analysis

  • max time kernel
    145s
  • max time network
    131s
  • platform
    windows10-1703_x64
  • resource
    win10-20231023-en
  • resource tags

    arch:x64arch:x86image:win10-20231023-enlocale:en-usos:windows10-1703-x64system
  • submitted
    12/12/2023, 14:47 UTC

General

  • Target

    a5a33a790cd44d76e80de5114cd7e68c189c7a63c6c48a62e7e5ac1c67227431.exe

  • Size

    7.2MB

  • MD5

    7c42388e70e73d7997fd3864a68fe512

  • SHA1

    8c576b96993bc3bbc352695a7a17c28798f793cf

  • SHA256

    a5a33a790cd44d76e80de5114cd7e68c189c7a63c6c48a62e7e5ac1c67227431

  • SHA512

    95b76d26a7cdf1cd1c712c69b53ca94bfdf46a31b279083c4acebe06a5ab96ce7822318fbd8ea2dcdfa6ff42afb3897732406e1d10cfdd0a5fb597399d9478f0

  • SSDEEP

    196608:pxm50EF70ZaWLZ97vnC8LpS7+bI9cpSzj:HEt0Zak7aIA7kSzj

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\a5a33a790cd44d76e80de5114cd7e68c189c7a63c6c48a62e7e5ac1c67227431.exe
    "C:\Users\Admin\AppData\Local\Temp\a5a33a790cd44d76e80de5114cd7e68c189c7a63c6c48a62e7e5ac1c67227431.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3008
    • C:\Users\Admin\AppData\Local\Temp\is-DP460.tmp\a5a33a790cd44d76e80de5114cd7e68c189c7a63c6c48a62e7e5ac1c67227431.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-DP460.tmp\a5a33a790cd44d76e80de5114cd7e68c189c7a63c6c48a62e7e5ac1c67227431.tmp" /SL5="$50232,7257737,121856,C:\Users\Admin\AppData\Local\Temp\a5a33a790cd44d76e80de5114cd7e68c189c7a63c6c48a62e7e5ac1c67227431.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2756
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:2324
        • C:\Program Files (x86)\numGIF\numgif.exe
          "C:\Program Files (x86)\numGIF\numgif.exe" -i
          3⤵
          • Executes dropped EXE
          PID:2408
        • C:\Program Files (x86)\numGIF\numgif.exe
          "C:\Program Files (x86)\numGIF\numgif.exe" -s
          3⤵
          • Executes dropped EXE
          PID:4576
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 12
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2056
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 12
            4⤵
              PID:4192

      Network

      • flag-us
        DNS
        48.229.111.52.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        48.229.111.52.in-addr.arpa
        IN PTR
        Response
      • flag-us
        DNS
        5.173.189.20.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        5.173.189.20.in-addr.arpa
        IN PTR
        Response
      • flag-us
        DNS
        aqrospw.ru
        numgif.exe
        Remote address:
        141.98.234.31:53
        Request
        aqrospw.ru
        IN A
        Response
        aqrospw.ru
        IN A
        185.196.8.22
      • flag-us
        DNS
        0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.4.f.1.a.e.2.6.d.8.ip6.arpa
        Remote address:
        8.8.8.8:53
        Request
        0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.4.f.1.a.e.2.6.d.8.ip6.arpa
        IN PTR
        Response
      • flag-us
        GET
        http://aqrospw.ru/click/?counter=de7ef49b2c006853fb383b2e6300a9403cfb1905c311578eaae3c7edb62dde24353e1d9a943e9d15038842974dbc1dbaf7a1439f558166429e289d5b86953e226c55f676647fc2813369d184da325a508cd204fc13c8
        numgif.exe
        Remote address:
        185.196.8.22:80
        Request
        GET /click/?counter=de7ef49b2c006853fb383b2e6300a9403cfb1905c311578eaae3c7edb62dde24353e1d9a943e9d15038842974dbc1dbaf7a1439f558166429e289d5b86953e226c55f676647fc2813369d184da325a508cd204fc13c8 HTTP/1.1
        Host: aqrospw.ru
        User-Agent: Mozilla/5.0 (Windows; U; MSIE 9.0; Windows NT 9.0; en-US)
        Response
        HTTP/1.1 200 OK
        Server: nginx/1.20.1
        Date: Tue, 12 Dec 2023 14:49:47 GMT
        Content-Type: text/html; charset=UTF-8
        Transfer-Encoding: chunked
        Connection: keep-alive
        X-Powered-By: PHP/7.4.33
      • flag-us
        DNS
        31.234.98.141.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        31.234.98.141.in-addr.arpa
        IN PTR
        Response
        31.234.98.141.in-addr.arpa
        IN PTR
        cx21ip-ptrtech
      • flag-us
        DNS
        22.8.196.185.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        22.8.196.185.in-addr.arpa
        IN PTR
        Response
        22.8.196.185.in-addr.arpa
        IN PTR
        g3fmytasteoftodaycom
      • 185.196.8.22:80
        http://aqrospw.ru/click/?counter=de7ef49b2c006853fb383b2e6300a9403cfb1905c311578eaae3c7edb62dde24353e1d9a943e9d15038842974dbc1dbaf7a1439f558166429e289d5b86953e226c55f676647fc2813369d184da325a508cd204fc13c8
        http
        numgif.exe
        478 B
        352 B
        4
        3

        HTTP Request

        GET http://aqrospw.ru/click/?counter=de7ef49b2c006853fb383b2e6300a9403cfb1905c311578eaae3c7edb62dde24353e1d9a943e9d15038842974dbc1dbaf7a1439f558166429e289d5b86953e226c55f676647fc2813369d184da325a508cd204fc13c8

        HTTP Response

        200
      • 8.8.8.8:53
        48.229.111.52.in-addr.arpa
        dns
        72 B
        158 B
        1
        1

        DNS Request

        48.229.111.52.in-addr.arpa

      • 8.8.8.8:53
        5.173.189.20.in-addr.arpa
        dns
        71 B
        157 B
        1
        1

        DNS Request

        5.173.189.20.in-addr.arpa

      • 141.98.234.31:53
        aqrospw.ru
        dns
        numgif.exe
        56 B
        82 B
        1
        1

        DNS Request

        aqrospw.ru

        DNS Response

        185.196.8.22

      • 8.8.8.8:53
        0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.4.f.1.a.e.2.6.d.8.ip6.arpa
        dns
        118 B
        182 B
        1
        1

        DNS Request

        0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.4.f.1.a.e.2.6.d.8.ip6.arpa

      • 8.8.8.8:53
        31.234.98.141.in-addr.arpa
        dns
        72 B
        102 B
        1
        1

        DNS Request

        31.234.98.141.in-addr.arpa

      • 8.8.8.8:53
        22.8.196.185.in-addr.arpa
        dns
        71 B
        107 B
        1
        1

        DNS Request

        22.8.196.185.in-addr.arpa

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Program Files (x86)\numGIF\numgif.exe

        Filesize

        1024KB

        MD5

        a57505123f4bdfca6293df74958ced0b

        SHA1

        1294622c88d1424958d578368d06d76e8401391e

        SHA256

        3ff61bcbbbf003036f11dfb96428367feafab87603e211d4a584ed34d9b50d70

        SHA512

        4cd079fa7ad1b0c88bf852b41151bfd93fd5f580f921886c6d859388fd025d01c0a6c84ac2bc2d75460c99afd04b54e7cff58463b40df2c90252693b93f19e87

      • C:\Program Files (x86)\numGIF\numgif.exe

        Filesize

        192KB

        MD5

        f6cea2c7852b850c0728b84a07d94263

        SHA1

        2ed82850de233e1501e4de8af051b397326cdf29

        SHA256

        1eb9178acc37f4e1e35d43d89a03087a7dcdea0e5f5a820f4e8f5482c63cf3db

        SHA512

        a22300ab6a5c0b9a5c618a6bb5441473ce81f18dbfa22e3c1455552fdb43b0a838e76014c1460c5c8eb69047939e50060ebdaf6d78889d25aaeeb51576426737

      • C:\Program Files (x86)\numGIF\numgif.exe

        Filesize

        2.1MB

        MD5

        57ced71d2e317eabb615aa41744d1b1f

        SHA1

        6cc65d30c5fd466c87947a037b4b334150cd07c6

        SHA256

        063e3ba1e7b81c595bcda4226b7258730c769626de660452e5aefc7f0ad45737

        SHA512

        2c76683fcacdbe5497fd042424f1ac4da0cd74f62f0516e1bc77487bce7fed98b21836582e6ed8eee157bf854bc550dec6e4697919cd21adf76ae400fcb98662

      • C:\Users\Admin\AppData\Local\Temp\is-DP460.tmp\a5a33a790cd44d76e80de5114cd7e68c189c7a63c6c48a62e7e5ac1c67227431.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • \Users\Admin\AppData\Local\Temp\is-N4OOD.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • \Users\Admin\AppData\Local\Temp\is-N4OOD.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • memory/2408-150-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/2408-151-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/2408-153-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/2408-154-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/2756-160-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/2756-162-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/2756-6-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/3008-0-0x0000000000400000-0x0000000000425000-memory.dmp

        Filesize

        148KB

      • memory/3008-159-0x0000000000400000-0x0000000000425000-memory.dmp

        Filesize

        148KB

      • memory/4576-161-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/4576-178-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/4576-157-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/4576-165-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/4576-166-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/4576-169-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/4576-172-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/4576-175-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/4576-179-0x00000000008B0000-0x000000000094E000-memory.dmp

        Filesize

        632KB

      • memory/4576-158-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/4576-184-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/4576-187-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/4576-188-0x00000000008B0000-0x000000000094E000-memory.dmp

        Filesize

        632KB

      • memory/4576-191-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/4576-194-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/4576-197-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/4576-201-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/4576-204-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/4576-207-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

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