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Analysis

  • max time kernel
    144s
  • max time network
    131s
  • platform
    windows10-1703_x64
  • resource
    win10-20231020-en
  • resource tags

    arch:x64arch:x86image:win10-20231020-enlocale:en-usos:windows10-1703-x64system
  • submitted
    11/12/2023, 06:52

General

  • Target

    151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.exe

  • Size

    6.9MB

  • MD5

    131db4ddd41f88c6dc9b5b05bc2b4952

  • SHA1

    94827ac4a5939d1837c14e7fcd2f8676f89cc781

  • SHA256

    151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e

  • SHA512

    5255bf5ce27f3ed75c8f238602827fca95e0c8453e5e703f51965b1b320512d4cfa37495488ce15efae5d06989997a4ddffc89b2b9fd82ba126262465cb8ff8e

  • SSDEEP

    196608:4H/2cOhoGEpX+jRFRvz29jgM7+3Utny3r/mvZO0agzj:tcOhoGE1ArRvqlgM7xtAT0Hzj

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\151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.exe
    "C:\Users\Admin\AppData\Local\Temp\151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4640
    • C:\Users\Admin\AppData\Local\Temp\is-N067E.tmp\151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-N067E.tmp\151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.tmp" /SL5="$60154,6982471,68096,C:\Users\Admin\AppData\Local\Temp\151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2300
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:1072
        • C:\Program Files (x86)\WMAFormat\wmaformat.exe
          "C:\Program Files (x86)\WMAFormat\wmaformat.exe" -i
          3⤵
          • Executes dropped EXE
          PID:5024
        • C:\Program Files (x86)\WMAFormat\wmaformat.exe
          "C:\Program Files (x86)\WMAFormat\wmaformat.exe" -s
          3⤵
          • Executes dropped EXE
          PID:4168
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 11
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3488
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 11
            4⤵
              PID:5116

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Program Files (x86)\WMAFormat\wmaformat.exe

        Filesize

        1.6MB

        MD5

        a055b354262061f5fa241ad85bac5bc1

        SHA1

        9aba72fa57e72b25240c2440896e01ac1f7dde90

        SHA256

        44ab1fbd6703293f19d36e2d490379242cfa115da4c70cd6563aa5a69ebdcbff

        SHA512

        630a852cb83ed79ba50da7df661c747373cd267252e1fcc633a468fc63dc4b20dd9510e88b84b1f84973f2cdb82464dd7bb3cabb0f930b8a86edb7a50f9b8271

      • C:\Program Files (x86)\WMAFormat\wmaformat.exe

        Filesize

        1.5MB

        MD5

        b6a2de1c130ff46f32d3f55193ab6c54

        SHA1

        299a67abd424c2a70fa40575b51e3ddd4e718c3e

        SHA256

        ad7fed221ca8104500ce02becbbb97d446062a2509310883f2068994b490bc80

        SHA512

        5fab3a7a32e05ca8c911e0e1bf3508d05e24d4f9dcd009bfddd08d7cd3da23f03cd84350c3b8bbbf75a5c67e5ad108b667877ec938141132413cdde37956d7d1

      • C:\Program Files (x86)\WMAFormat\wmaformat.exe

        Filesize

        608KB

        MD5

        76fbf4ef8a94be45b314fe1bc281e15a

        SHA1

        443e24f409f64e37913cc424d746bfc054d4e272

        SHA256

        ee7a6f57a9b229ce9aa0c18ba71f8f04f3c8f1eb74f0bf6013e1b1016c8cb5c1

        SHA512

        2cb4da5ad7d9706bacbb3790906b183661f273085bf195f3e9c89411fc2e5503177ed28c119a7f97c7f382877f26efb2157c561c596381c39b172dee1606477e

      • C:\Users\Admin\AppData\Local\Temp\is-N067E.tmp\151e33368472253d5d932a6d87c455fec9d6affe41e9da44b5e0f99164b26d2e.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • \Users\Admin\AppData\Local\Temp\is-17MQ2.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • \Users\Admin\AppData\Local\Temp\is-17MQ2.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • memory/2300-163-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/2300-7-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/2300-161-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/4168-186-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4168-180-0x0000000000860000-0x00000000008FE000-memory.dmp

        Filesize

        632KB

      • memory/4168-211-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4168-208-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4168-157-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4168-159-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4168-204-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4168-203-0x0000000000860000-0x00000000008FE000-memory.dmp

        Filesize

        632KB

      • memory/4168-162-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4168-202-0x0000000000860000-0x00000000008FE000-memory.dmp

        Filesize

        632KB

      • memory/4168-166-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4168-167-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4168-170-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4168-173-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4168-176-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4168-199-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4168-179-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4168-183-0x0000000000860000-0x00000000008FE000-memory.dmp

        Filesize

        632KB

      • memory/4168-196-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4168-189-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4168-190-0x0000000000860000-0x00000000008FE000-memory.dmp

        Filesize

        632KB

      • memory/4168-193-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4640-0-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/4640-2-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/4640-160-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/5024-154-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/5024-151-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/5024-152-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/5024-155-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB