Analysis

  • max time kernel
    146s
  • max time network
    149s
  • platform
    windows10-1703_x64
  • resource
    win10-20231129-en
  • resource tags

    arch:x64arch:x86image:win10-20231129-enlocale:en-usos:windows10-1703-x64system
  • submitted
    12-12-2023 11:52

General

  • Target

    58eaba6ebca13de48c0523ecb871580d241cca399789d6df0e3aa640530a8f57.exe

  • Size

    7.2MB

  • MD5

    c90f545d73caeb0d147a9938cbdfdb03

  • SHA1

    b0251773102f1c0bfb7dce0e573198130675420f

  • SHA256

    58eaba6ebca13de48c0523ecb871580d241cca399789d6df0e3aa640530a8f57

  • SHA512

    446896a1af43dd2c9e72f6606fdea210bfd0e1df100ba187f230ebd8d9a2420d946b5ad330cc1aba3b988d49e6085b2e3d5ad0d8dd2d0e3f04b41a3aa6b61a2e

  • SSDEEP

    196608:3xm5vSfkhLnRaUXNvQKOmYuX5ORBs2J32NS8Pu2XYeWs8hckg7inWzj:CSfs8WIKOluX+stSCvR9L9GnWzj

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 IoCs
  • Unexpected DNS network traffic destination 3 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\58eaba6ebca13de48c0523ecb871580d241cca399789d6df0e3aa640530a8f57.exe
    "C:\Users\Admin\AppData\Local\Temp\58eaba6ebca13de48c0523ecb871580d241cca399789d6df0e3aa640530a8f57.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4296
    • C:\Users\Admin\AppData\Local\Temp\is-9LFRO.tmp\58eaba6ebca13de48c0523ecb871580d241cca399789d6df0e3aa640530a8f57.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-9LFRO.tmp\58eaba6ebca13de48c0523ecb871580d241cca399789d6df0e3aa640530a8f57.tmp" /SL5="$80222,7264750,121856,C:\Users\Admin\AppData\Local\Temp\58eaba6ebca13de48c0523ecb871580d241cca399789d6df0e3aa640530a8f57.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:3428
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:3056
        • C:\Program Files (x86)\numGIF\numgif.exe
          "C:\Program Files (x86)\numGIF\numgif.exe" -i
          3⤵
          • Executes dropped EXE
          PID:2428
        • C:\Program Files (x86)\numGIF\numgif.exe
          "C:\Program Files (x86)\numGIF\numgif.exe" -s
          3⤵
          • Executes dropped EXE
          PID:1960
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 12
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3948
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 12
            4⤵
              PID:1832

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        1.7MB

        MD5

        94abea393ff9b14488ce945910b72623

        SHA1

        90545f4197c365c1e0c2b9fad33d6402761aa354

        SHA256

        62e1647ae3aca28201e9687a7845e4d4c90eb5ce16d8ae8815284a3c909d15be

        SHA512

        a58ffe30afaa83865fb3f1d5e8c2b9f3c47fb7fac021e3f65cc479caf6bd58684c122e0315c7e42192caa7fb37f20e63a36ea979d5f1a4f96e06711f95375007

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

        Filesize

        566KB

        MD5

        00e9bd14414bbb9dfb3f606cdc026fd5

        SHA1

        84ca53cb93e6563d2613e7d53303a5e94eecbb5d

        SHA256

        4819092fedf27307086b7f8a997294a269c80d41b731e42ae42051050d87d917

        SHA512

        166930109bcc6a824609a8152c4aba93b78471270bfa32088d648d552bcbeb7c84d82d34fefcbebe452856a311372f71902075be95d7debac0cda03d816d96da

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

        Filesize

        313KB

        MD5

        5e48707ac7aabd4ce0577d0aaf365b15

        SHA1

        6bd67615754df0eaf7788f6b6eceb369a6571921

        SHA256

        6912d73a0db6c2089d16f3849b708e94b7aeedf6cf18b8d1d6b1ce765a71715d

        SHA512

        a777d63b5cb054ffd72de5bf3d52fed6f165b827daae48f2706375ae3e97d185a444ba5685fbaba52517cc4e7746da552aca5c7ec4c0569c4e72201718466572

      • C:\Users\Admin\AppData\Local\Temp\is-9LFRO.tmp\58eaba6ebca13de48c0523ecb871580d241cca399789d6df0e3aa640530a8f57.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • \Users\Admin\AppData\Local\Temp\is-71RR4.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • \Users\Admin\AppData\Local\Temp\is-71RR4.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • memory/1960-181-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/1960-189-0x0000000000950000-0x00000000009EE000-memory.dmp

        Filesize

        632KB

      • memory/1960-207-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/1960-204-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/1960-201-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/1960-198-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/1960-195-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/1960-158-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/1960-192-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/1960-188-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/1960-161-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/1960-185-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/1960-165-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/1960-166-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/1960-169-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/1960-172-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/1960-175-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/1960-177-0x0000000000950000-0x00000000009EE000-memory.dmp

        Filesize

        632KB

      • memory/1960-182-0x0000000000950000-0x00000000009EE000-memory.dmp

        Filesize

        632KB

      • memory/2428-154-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/2428-155-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/2428-152-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/2428-151-0x0000000000400000-0x0000000000628000-memory.dmp

        Filesize

        2.2MB

      • memory/3428-162-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/3428-160-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/3428-13-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/4296-0-0x0000000000400000-0x0000000000425000-memory.dmp

        Filesize

        148KB

      • memory/4296-159-0x0000000000400000-0x0000000000425000-memory.dmp

        Filesize

        148KB

      • memory/4296-2-0x0000000000400000-0x0000000000425000-memory.dmp

        Filesize

        148KB