Analysis

  • max time kernel
    44s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    01/01/2024, 08:22

General

  • Target

    3c5d62fcb42b61b1d63cf41bcbe499c3.exe

  • Size

    1.4MB

  • MD5

    3c5d62fcb42b61b1d63cf41bcbe499c3

  • SHA1

    69796e719cc53b08ed06b68b6670484a81de527d

  • SHA256

    18a10d3101e18fe551a323492d688ae3ba381b5ab0359a3e084b7af0f8345dda

  • SHA512

    5e97f784375220d97e2b7a586fa558418be404e7a3564bffff50564c8c78d6197aa63f35e4fd308ec2d0eed4a7d2429f4b56f5ef1bfa05850f84f36a24ca492e

  • SSDEEP

    24576:yNqcepv79W6V4keQ7Jy2E3Rx8FLY2Awc26OZCyscjn7sDYK5aXsro:Aqt7fd7hEPMk2Awc2znscfsv8X

Malware Config

Signatures

  • Sets DLL path for service in the registry 2 TTPs 12 IoCs
  • ASPack v2.12-2.42 21 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 9 IoCs
  • UPX packed file 62 IoCs

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

  • Drops file in System32 directory 12 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3c5d62fcb42b61b1d63cf41bcbe499c3.exe
    "C:\Users\Admin\AppData\Local\Temp\3c5d62fcb42b61b1d63cf41bcbe499c3.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1276
    • C:\723607c7.exe
      C:\723607c7.exe
      2⤵
      • Sets DLL path for service in the registry
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      PID:2196
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1276 -s 268
      2⤵
      • Program crash
      PID:2752
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k netsvcs
    1⤵
    • Loads dropped DLL
    PID:1940
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k netsvcs
    1⤵
    • Loads dropped DLL
    PID:2792
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k netsvcs
    1⤵
    • Loads dropped DLL
    PID:2832
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k netsvcs
    1⤵
    • Loads dropped DLL
    PID:2468
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k netsvcs
    1⤵
    • Loads dropped DLL
    PID:1640
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k netsvcs
    1⤵
    • Loads dropped DLL
    PID:2508
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k netsvcs
    1⤵
    • Loads dropped DLL
    PID:2516
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k netsvcs
    1⤵
      PID:2536
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\SysWOW64\svchost.exe -k netsvcs
      1⤵
      • Loads dropped DLL
      PID:1096
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\SysWOW64\svchost.exe -k netsvcs
      1⤵
      • Loads dropped DLL
      PID:2948
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\SysWOW64\svchost.exe -k netsvcs
      1⤵
        PID:2288
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\SysWOW64\svchost.exe -k netsvcs
        1⤵
          PID:1568
        • C:\Windows\SysWOW64\svchost.exe
          C:\Windows\SysWOW64\svchost.exe -k netsvcs
          1⤵
            PID:448

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\723607c7.exe

            Filesize

            46KB

            MD5

            80aa0e3a8a150db05b2e58bffc27eea6

            SHA1

            b4f6091734db61156f0439dd89cf2f9f3d4fa941

            SHA256

            610767eae3a897d35fbe43255c15c65ed3a10167dc81e01eb0f86de0f21a5236

            SHA512

            a459d00363238aa1e83e4f5bc3c37b06262df18f5febb6e4b85d30e742cae4e547d55185e2bb1e4009c051ce713fa91890ee6cd8b80270617420f218f6e44775

          • C:\723607c7.exe

            Filesize

            90KB

            MD5

            688e29c0bb8534a8c4032961b6a95ac1

            SHA1

            aeafc44004ba6694a38a915ed14fcfa689a60f79

            SHA256

            e72a2e8f3c6fbe4202c7060a1bb4a08f6dc48a001f979a1734f72435bf509044

            SHA512

            2a239d22b0e2093c46431bfe20cc6fedeb8e53a0f521ed9b3a63484698c241a02034187bae1907979122bbfa92dcb4ebd17ba456155c62c60d4a844195003fc8

          • C:\Windows\SysWOW64\Ntmssvc.dll

            Filesize

            1KB

            MD5

            39b1764c0de8edbbc3e75008926fcd60

            SHA1

            ad932f3db8b8e53d1a28e41c9149fb3a54860d8d

            SHA256

            cf52595b2297da292fb098c60e6f31ff62ddb35cecaf77e463c371a337caf194

            SHA512

            7e45c6cd9eba6808a8da2b71d2bd9f3bcef077629b696b95ec560eb8f73c466e796569915cc0498615805e5e5397f7ce4b7caae3fd0dc6cf38b7fcc99fd12d15

          • \??\c:\windows\SysWOW64\fastuserswitchingcompatibility.dll

            Filesize

            92KB

            MD5

            38a0aacc5e8bf97754758c79386ab394

            SHA1

            edbf0225977ef4d1557979e4c6178eea9505f723

            SHA256

            2e34adbe1ecdb8c2d5944702697834661f352e4bd3b4779a01499d42eb81e786

            SHA512

            b45a843fbe323482094474a0e180950a4675df46bc4f7131f847f2a6950873c4f67d61127ff1b2133a3890d56013d1eeb21d24cb93a3327357fd834c4310be5d

          • \??\c:\windows\SysWOW64\irmon.dll

            Filesize

            28KB

            MD5

            75d26ff71d9de0174188a602d73aa108

            SHA1

            00445d3149ee0dd67c25ab198d7eb1f584bd21be

            SHA256

            60e1d3ed7bc5c7e7ac6a2a37e67ceff863d9a6cf027bd6982df7d8e8b2e9743e

            SHA512

            cc5430aeda243b838ca84b6debad9e58ad6f7aee74269d95263b045378123585b8f9009f157315eeab74087273fb8cb5b719c62233a51fba1cb1327fd0ee7eac

          • \??\c:\windows\SysWOW64\logonhours.dll

            Filesize

            13KB

            MD5

            0a828e1bfbfe4ffbeb412e286fbd172c

            SHA1

            691231a5477cfc271e3f582b80647e70e70b8be4

            SHA256

            497d9bf556b0e7ce0cd0bf2f7e4ebfec242d5cb7c1918030a4075ac7e2785783

            SHA512

            07097fed2640caac7a40f750fa6fd9daa603ff4841cf706e78d682092415da8ae3b3c1d337eab32ccc6cda891afdf287997f59dd8c1f2e1536cee2bdb7c7a38f

          • \??\c:\windows\SysWOW64\nwcworkstation.dll

            Filesize

            11KB

            MD5

            2ed946e15f74672ff50b47b9b0b5f9ed

            SHA1

            9b424f57eb51296bd19c23114b8651acf54d4e9b

            SHA256

            3058fce5242fb7c9c1d75a1bfbf744c993194e291db0d9b47133cf2d651bc048

            SHA512

            2c70f37dec8c0242851b904299c3ba5dc1816783f113d7a55f89a948bafea1037c849a495fb6091d833189b4baa10d5d9609e5cdfaa1aabd3f99d9b46d1546df

          • \??\c:\windows\SysWOW64\nwsapagent.dll

            Filesize

            57KB

            MD5

            f8b65972d045c9d3e50d3cc268185537

            SHA1

            fff3bbea37a000b871cfe1bf2d58478286613c64

            SHA256

            8072301b97b2dd914aceea97ed01337195e66102508281e4a47bc3637971b5bb

            SHA512

            3ce5bfe884a2abdd12cbe4869cbe625296e3efc86a787258960f962dd27b47927fb786ca1e97745807b4fb5a6ebac51fabd29c56c638ac2343c8ce62a442d640

          • \??\c:\windows\SysWOW64\pcaudit.dll

            Filesize

            79KB

            MD5

            1d4c60ea542021cb8e34f2ea7a3e0408

            SHA1

            3ccbafc9209ba7e7eea43c5e54a473d32041891c

            SHA256

            05bc0f072f34d4d0c9b2a863961d664dac6e4381e346e9df7b830c95448eb050

            SHA512

            7bde552ae638b09d62a3253a799fbdf7eeb1a930abe6e9bc99690a2f9df0013b962b301ed7a39722a9ae6be3e98b5d40f8f6e1e9fff26e6f56033d74fea70956

          • \??\c:\windows\SysWOW64\srservice.dll

            Filesize

            29KB

            MD5

            7ed430724f1728962b0ac96130c95f3c

            SHA1

            c7272cdf04eb227cb8849a84110d304a8961da77

            SHA256

            1d12b96d057a31fb902938c6e5c32c7a452a6939d257dbe27910d185cf19e754

            SHA512

            bc6dc7cbc6d78dc7280363a3f8a3ebbd6b9a6f6843b2d995990408594ba8eb416bff68acba2f7293437580cc977d6d81527e01925ea6795e79a318f117eb111f

          • \??\c:\windows\SysWOW64\uploadmgr.dll

            Filesize

            12KB

            MD5

            da7597689b76f3392188c1a705d9b301

            SHA1

            7aef45a9462b832e7dba3655ad01bea2ec135e92

            SHA256

            e0f5c8a89c16d94f9d0ca701077dbf5d73d636f9c643369dbdfaf54fdd29fd18

            SHA512

            ebbe82cea96c1dd8916b2bf58cb9d0032a95104d8ba7031e124e2f377741157a80e16dfc11afdd6e33abd563ccdc488c92b85977e7a2512580abaa5f79cc33af

          • \??\c:\windows\SysWOW64\wmdmpmsp.dll

            Filesize

            40KB

            MD5

            34f3352fdb61d0eecbead20cb1576d70

            SHA1

            4c16f270789eaa6b4fa4955a93a09c8542613d8b

            SHA256

            824e1d9fd9a35e8cc98722a295f57e31931247772350071c51d1f2e1d1718387

            SHA512

            f20fcd4fc93a6ba964a4024367463c5974b047f99cd814b8beb3364a99b1d456cd83787c325f7c4f9d74fbd87561237b1809a12d56c9dbdd61c9021bea592bdf

          • \Windows\SysWOW64\FastUserSwitchingCompatibility.dll

            Filesize

            87KB

            MD5

            3db1184d75f029832b94a6953cf3eb55

            SHA1

            548c8a6c16ff0f8a1d0ef30917e69ab3f92d61c7

            SHA256

            56198da6c22be040694b6f79a4bb96f68d747815536b76af8768d9fef29a9992

            SHA512

            2a70ab56e51b119d0f0ba78e35d9fdad2bef500e2fbc46fc0795caffc6212e8871d86cb507fd7d6a68424d3f4a43daf1aa3b67de4a418ac81837fb77f861fc9f

          • \Windows\SysWOW64\Irmon.dll

            Filesize

            72KB

            MD5

            5e0e2f16b47f0515f0935a4a59c10c24

            SHA1

            100e88023b601e530cfa7d483cf239c29231ffe8

            SHA256

            83ec8390d4a3e97259e8b5e3fa479eff05fe2edbc0226b322f9e83b0c7c8e258

            SHA512

            6853b0b2b3943c67a1edead5676721fefe58d8632e034d7e1fb7ee657a92caab81ea4596fc1bcf28f0ef00c03777f531729f89ea56212f858c91d0cd28cc1824

          • \Windows\SysWOW64\NWCWorkstation.dll

            Filesize

            46KB

            MD5

            45fd116668d5296be3d650298c1e1afc

            SHA1

            d58c04c496c015b0527a3c993c54fdc6b0528054

            SHA256

            b3278754747ab0b6fd34fed0d8c9b24d96322868b3e9f6bff16625eeda48092d

            SHA512

            7dee00f1e3ab9f97ea2b41d83f639034ade9c8a9f6319fec7a37e5f80b51fe42780cc5a2bccfb9564bd623c513343af3e06a6fcc9f8c72a86d3b31f530f945f2

          • \Windows\SysWOW64\Ntmssvc.dll

            Filesize

            30KB

            MD5

            9a9eacfec31016d85848a5e71751c0ee

            SHA1

            093cb82ef7fe7a81df6fa2dee0e3c1e28ee03267

            SHA256

            2b276305bf74691cea6ef17e4d589180b56956534831b319549305eb596d6428

            SHA512

            1bee7dc6b38d3738d8eeebb0626ddaf81d35a38348480aee045fccdd55f0aad14c72a3e126fd37b88c08f63b3a1143f111c2c4ef01b56ed4d2ef0d01074e4301

          • \Windows\SysWOW64\Nwsapagent.dll

            Filesize

            49KB

            MD5

            e52af3e6c8afde0a378af5aeb1dfcc7e

            SHA1

            007d06ce0f8406bfac3b80e42934c269eec7dba5

            SHA256

            f5f030c28f8e665a5519515b39ef524344c0772703bd486e343df98f0a2dbb24

            SHA512

            01125d4745566b600923fd6b67c21ff721b8e0f478ac7286f67bc44cefb1a032c765030d2c7ae450cdef5e4d142e7bd10d935953df72df257451ec7e8798f3a3

          • \Windows\SysWOW64\PCAudit.dll

            Filesize

            23KB

            MD5

            55ccc2c015b336668fad35d991978df1

            SHA1

            f0a1e8e4e679595de978e7aa03239931132e42ae

            SHA256

            aaed29a04f85fdff394a00b7b411ec181ecd737bfaf012388aca638c202fc55d

            SHA512

            231f3a2a2fbc11ce763936c4a0adff85ee88af14a96b9aa331618b206895c99a1087bb012a34876c3d7ed4e53ee86c25ba1be229080c0088d588a61832fb79b7

          • \Windows\SysWOW64\SRService.dll

            Filesize

            47KB

            MD5

            7ab3c0ed8b1a8573ba6441765f3d121d

            SHA1

            0ff809eb42f2ed552e86f208c108f631589e6e74

            SHA256

            7ef1cdb54157377042bda4b653414463f5fc371a9149613e4afb08c81c28241a

            SHA512

            75b0559a6f6b76c55c3e9d931f1cd1843b021f1393a7d63863f4990a2b7f3fa9dd53c45043f0c40404af1f8073a6f7e2a1f6f09412f2d52ec0c1147cc12febd9

          • \Windows\SysWOW64\uploadmgr.dll

            Filesize

            75KB

            MD5

            e1b821bc646d6cbfc59808b71a8e2226

            SHA1

            a3f2d0488e20a81c316229e1950c0a617e4af2e8

            SHA256

            4fc3b0143c253608760b2383eea39c2a689766af31118a3a2d684989b27a016e

            SHA512

            c7107635824b50e1dde02a6686fb19cfcb137c8d4336fece2fee1615355bb26ebbbda3b554f79a068be58b3bfa11761c35b13181198a2c5385d74f4a34a56160

          • memory/448-94-0x0000000073E30000-0x0000000073E7E000-memory.dmp

            Filesize

            312KB

          • memory/448-96-0x0000000073E30000-0x0000000073E7E000-memory.dmp

            Filesize

            312KB

          • memory/448-97-0x0000000073E30000-0x0000000073E7E000-memory.dmp

            Filesize

            312KB

          • memory/448-95-0x0000000073E30000-0x0000000073E7E000-memory.dmp

            Filesize

            312KB

          • memory/1096-67-0x0000000073E30000-0x0000000073E7E000-memory.dmp

            Filesize

            312KB

          • memory/1096-68-0x0000000073E30000-0x0000000073E7E000-memory.dmp

            Filesize

            312KB

          • memory/1096-69-0x0000000073E30000-0x0000000073E7E000-memory.dmp

            Filesize

            312KB

          • memory/1276-5-0x00000000007A0000-0x00000000007EE000-memory.dmp

            Filesize

            312KB

          • memory/1568-88-0x0000000073E30000-0x0000000073E7E000-memory.dmp

            Filesize

            312KB

          • memory/1568-87-0x0000000073E30000-0x0000000073E7E000-memory.dmp

            Filesize

            312KB

          • memory/1568-89-0x0000000073E30000-0x0000000073E7E000-memory.dmp

            Filesize

            312KB

          • memory/1640-43-0x00000000745E0000-0x000000007462E000-memory.dmp

            Filesize

            312KB

          • memory/1640-45-0x00000000745E0000-0x000000007462E000-memory.dmp

            Filesize

            312KB

          • memory/1640-44-0x00000000745E0000-0x000000007462E000-memory.dmp

            Filesize

            312KB

          • memory/1940-16-0x00000000745E0000-0x000000007462E000-memory.dmp

            Filesize

            312KB

          • memory/1940-15-0x00000000745E0000-0x000000007462E000-memory.dmp

            Filesize

            312KB

          • memory/1940-14-0x00000000745E0000-0x000000007462E000-memory.dmp

            Filesize

            312KB

          • memory/2196-8-0x00000000000F0000-0x000000000013E000-memory.dmp

            Filesize

            312KB

          • memory/2196-7-0x00000000013E0000-0x000000000142E000-memory.dmp

            Filesize

            312KB

          • memory/2196-9-0x00000000013E0000-0x000000000142E000-memory.dmp

            Filesize

            312KB

          • memory/2196-25-0x00000000013E0000-0x000000000142E000-memory.dmp

            Filesize

            312KB

          • memory/2196-6-0x00000000013E0000-0x000000000142E000-memory.dmp

            Filesize

            312KB

          • memory/2288-83-0x0000000073E30000-0x0000000073E7E000-memory.dmp

            Filesize

            312KB

          • memory/2288-82-0x0000000073E30000-0x0000000073E7E000-memory.dmp

            Filesize

            312KB

          • memory/2288-81-0x0000000073E30000-0x0000000073E7E000-memory.dmp

            Filesize

            312KB

          • memory/2468-38-0x00000000745E0000-0x000000007462E000-memory.dmp

            Filesize

            312KB

          • memory/2468-37-0x00000000745E0000-0x000000007462E000-memory.dmp

            Filesize

            312KB

          • memory/2468-36-0x00000000745E0000-0x000000007462E000-memory.dmp

            Filesize

            312KB

          • memory/2468-39-0x00000000745E0000-0x000000007462E000-memory.dmp

            Filesize

            312KB

          • memory/2508-50-0x00000000745E0000-0x000000007462E000-memory.dmp

            Filesize

            312KB

          • memory/2508-51-0x00000000745E0000-0x000000007462E000-memory.dmp

            Filesize

            312KB

          • memory/2508-53-0x00000000745E0000-0x000000007462E000-memory.dmp

            Filesize

            312KB

          • memory/2516-57-0x00000000745E0000-0x000000007462E000-memory.dmp

            Filesize

            312KB

          • memory/2792-21-0x0000000074090000-0x00000000740DE000-memory.dmp

            Filesize

            312KB

          • memory/2792-24-0x0000000074090000-0x00000000740DE000-memory.dmp

            Filesize

            312KB

          • memory/2792-22-0x0000000074090000-0x00000000740DE000-memory.dmp

            Filesize

            312KB

          • memory/2792-23-0x0000000074090000-0x00000000740DE000-memory.dmp

            Filesize

            312KB

          • memory/2832-29-0x00000000745E0000-0x000000007462E000-memory.dmp

            Filesize

            312KB

          • memory/2832-30-0x00000000745E0000-0x000000007462E000-memory.dmp

            Filesize

            312KB

          • memory/2832-32-0x00000000745E0000-0x000000007462E000-memory.dmp

            Filesize

            312KB

          • memory/2948-76-0x0000000073E30000-0x0000000073E7E000-memory.dmp

            Filesize

            312KB

          • memory/2948-77-0x0000000073E30000-0x0000000073E7E000-memory.dmp

            Filesize

            312KB

          • memory/2948-74-0x0000000073E30000-0x0000000073E7E000-memory.dmp

            Filesize

            312KB