Analysis

  • max time kernel
    143s
  • max time network
    130s
  • platform
    windows10-1703_x64
  • resource
    win10-20231020-en
  • resource tags

    arch:x64arch:x86image:win10-20231020-enlocale:en-usos:windows10-1703-x64system
  • submitted
    12-12-2023 13:41

General

  • Target

    26ec691d1e2bf3efa5d089c1598354289fea2d362db74d41aa9733b840abf260.exe

  • Size

    7.1MB

  • MD5

    66582ca48003564f7d768857dba674fd

  • SHA1

    8eb24d7e11a4c52d50cd379a4b43878a031d3f64

  • SHA256

    26ec691d1e2bf3efa5d089c1598354289fea2d362db74d41aa9733b840abf260

  • SHA512

    818e11f2ea99282e66ecc34fcf461186386008475bb509eb1c3266d5b59ac29fa7f0a89580f3f6b0626e5052d29bab1861005851a24ab543a99b4145ca641600

  • SSDEEP

    196608:uxm5D5YUyRe7VvZKwamjGKAVW7R+gSoASGm8PvsLMwzj:YRepZKwaS79SoASGDP0Qwzj

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\26ec691d1e2bf3efa5d089c1598354289fea2d362db74d41aa9733b840abf260.exe
    "C:\Users\Admin\AppData\Local\Temp\26ec691d1e2bf3efa5d089c1598354289fea2d362db74d41aa9733b840abf260.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4036
    • C:\Users\Admin\AppData\Local\Temp\is-364KB.tmp\26ec691d1e2bf3efa5d089c1598354289fea2d362db74d41aa9733b840abf260.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-364KB.tmp\26ec691d1e2bf3efa5d089c1598354289fea2d362db74d41aa9733b840abf260.tmp" /SL5="$501F0,7235080,121856,C:\Users\Admin\AppData\Local\Temp\26ec691d1e2bf3efa5d089c1598354289fea2d362db74d41aa9733b840abf260.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4500
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:3568
        • C:\Program Files (x86)\numGIF\numgif.exe
          "C:\Program Files (x86)\numGIF\numgif.exe" -i
          3⤵
          • Executes dropped EXE
          PID:4044
        • C:\Program Files (x86)\numGIF\numgif.exe
          "C:\Program Files (x86)\numGIF\numgif.exe" -s
          3⤵
          • Executes dropped EXE
          PID:704
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 12
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3680
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 12
            4⤵
              PID:4516

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        270KB

        MD5

        c565175c7542231c2404a5792aee6c61

        SHA1

        b371ffb36b7f9f8498ced06d7894ae65750d8dca

        SHA256

        ebe572a99362a9c6c3eec642a74106b696cb2db9602f81094fb8848f0c50cbf0

        SHA512

        dec55d606aecf07ee6d6c88cabdeb25a818861af37c8ed23ca4c2573f62d110e5e8dec44f3f36c291ff9d5124b97e364cd39f9ff44f726a0bf9dcf6598321061

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

        Filesize

        1.4MB

        MD5

        f2ae42cf0a75e46b4141705ead1ac1ab

        SHA1

        e7684124fa3d4ab391cd33d190ab51ef01cd6148

        SHA256

        1d2ccadfdc402d74d6dc7a9b9c817ff4e78253a8b937ba4c9e2e2e42a6ccfe1b

        SHA512

        ee1f8f96562fc4b05fba2f7411b54d10761d3f7fda252a8f395dde7e20ac6c56ddba262896ab8ef15a50899202638446f969589d4b481406047c6c33a217adfd

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

        Filesize

        747KB

        MD5

        b9e3a5321f2a1b33e792db4f94a734c2

        SHA1

        b99e796228c4c5f855709474db59de75da156b47

        SHA256

        230ea175a9b248e9d6a7b79ecde68bebfcc89fe0ede50c0266c21f3634223f51

        SHA512

        15fe6b1ae39f866a99281b6448a0d642d00cbc6542599952ce5cf65a8ad911d3c8d99a313d724744c5ed489b23de650fa4be1f29982b838083775a744666d6f0

      • C:\Users\Admin\AppData\Local\Temp\is-364KB.tmp\26ec691d1e2bf3efa5d089c1598354289fea2d362db74d41aa9733b840abf260.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • \Users\Admin\AppData\Local\Temp\is-F14VB.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • \Users\Admin\AppData\Local\Temp\is-F14VB.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • memory/704-188-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/704-189-0x00000000008C0000-0x000000000095E000-memory.dmp

        Filesize

        632KB

      • memory/704-210-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/704-207-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/704-203-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/704-202-0x00000000008C0000-0x000000000095E000-memory.dmp

        Filesize

        632KB

      • memory/704-157-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/704-158-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/704-201-0x00000000008C0000-0x000000000095E000-memory.dmp

        Filesize

        632KB

      • memory/704-198-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/704-161-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/704-195-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/704-165-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/704-166-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/704-169-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/704-172-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/704-175-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/704-178-0x00000000008C0000-0x000000000095E000-memory.dmp

        Filesize

        632KB

      • memory/704-179-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/704-182-0x00000000008C0000-0x000000000095E000-memory.dmp

        Filesize

        632KB

      • memory/704-185-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/704-192-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/4036-0-0x0000000000400000-0x0000000000425000-memory.dmp

        Filesize

        148KB

      • memory/4036-159-0x0000000000400000-0x0000000000425000-memory.dmp

        Filesize

        148KB

      • memory/4044-150-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/4044-154-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/4044-153-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/4044-151-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/4500-162-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/4500-160-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/4500-6-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB