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Analysis

  • max time kernel
    147s
  • 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, 11:24

General

  • Target

    195641c48a583d5e07e4d3dbb05adfd40c048b8ef55fb81603abe0dc96d48fac.exe

  • Size

    7.2MB

  • MD5

    e726531608c0a522d868637889079983

  • SHA1

    ee6effacb3b14d067b3e46c82abba5c77e7060fd

  • SHA256

    195641c48a583d5e07e4d3dbb05adfd40c048b8ef55fb81603abe0dc96d48fac

  • SHA512

    ef3a7ffaa0ce27c858e58d139eedcf0abeb1a27af2426310d76a7ec4af7a7ab3a110e08bdc5d9968354ebfbb7a116813f2a6b7b425bbddfec31a7e16b45bed38

  • SSDEEP

    196608:Oxm5EEwkzysVKr9L3VLEQtNO8LakngzHEGWzj:2kzYr97tEeXqjEFzj

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\195641c48a583d5e07e4d3dbb05adfd40c048b8ef55fb81603abe0dc96d48fac.exe
    "C:\Users\Admin\AppData\Local\Temp\195641c48a583d5e07e4d3dbb05adfd40c048b8ef55fb81603abe0dc96d48fac.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3340
    • C:\Users\Admin\AppData\Local\Temp\is-FF9S9.tmp\195641c48a583d5e07e4d3dbb05adfd40c048b8ef55fb81603abe0dc96d48fac.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-FF9S9.tmp\195641c48a583d5e07e4d3dbb05adfd40c048b8ef55fb81603abe0dc96d48fac.tmp" /SL5="$80228,7250593,121856,C:\Users\Admin\AppData\Local\Temp\195641c48a583d5e07e4d3dbb05adfd40c048b8ef55fb81603abe0dc96d48fac.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:1392
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:4584
        • C:\Program Files (x86)\numGIF\numgif.exe
          "C:\Program Files (x86)\numGIF\numgif.exe" -i
          3⤵
          • Executes dropped EXE
          PID:2296
        • C:\Program Files (x86)\numGIF\numgif.exe
          "C:\Program Files (x86)\numGIF\numgif.exe" -s
          3⤵
          • Executes dropped EXE
          PID:3984
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 12
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4428
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 12
            4⤵
              PID:4712

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        576KB

        MD5

        17d02590a32b1cd17ea15b96a1d4c87e

        SHA1

        c6f1a4b5bcb4aa1801d560fcd6a527aef2699a0f

        SHA256

        896ab9c2e11aca53f8501831094d7a7f188b3bcb7a3761ca3ee02395b2be593b

        SHA512

        fd475308a5c7f795158f369c1c799fa4648777b8008b22179b1b57efc282e3b253d5f7e360d4b0487722a92303fea2739b7a4253e8fe6a078cf1139f82d711b2

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

        Filesize

        409KB

        MD5

        18c3eeb06439157c9699e548901dc613

        SHA1

        62629a67c074f2dcc8ce95d37b0e152722a59c12

        SHA256

        432c3c0658eb3fc59daebd0ddd7f13323a32388d52269cb4f2fb4b8eac46d3e5

        SHA512

        7a7fd9728051b6776dd7bf9536863bd926bc22f15ac6208fe0ef8eb91ee77e9d919cfb14804535fc8c89374fae0500cee376c29f013634914c9ab970c717f370

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

        Filesize

        1.2MB

        MD5

        369aae1f090e08c82633989d4c330ee9

        SHA1

        6847cb860d4864ee8d055f9d4fe056bb25278173

        SHA256

        6c55658f702cdcd3f0a33ef441ac6ff7b5e94724d5ccac2dc87c0277f6b77e48

        SHA512

        169fb3026d63f7848bdb4d0323c21348531417bb294adf6faef805cc140b0e1edd8d2050faf21c8053c5439dfa46e6c8274dee904738e79727b8d31ba0e916e3

      • C:\Users\Admin\AppData\Local\Temp\is-FF9S9.tmp\195641c48a583d5e07e4d3dbb05adfd40c048b8ef55fb81603abe0dc96d48fac.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

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

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • memory/1392-9-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/1392-160-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/1392-162-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/2296-150-0x0000000000400000-0x0000000000627000-memory.dmp

        Filesize

        2.2MB

      • memory/2296-151-0x0000000000400000-0x0000000000627000-memory.dmp

        Filesize

        2.2MB

      • memory/2296-154-0x0000000000400000-0x0000000000627000-memory.dmp

        Filesize

        2.2MB

      • memory/2296-153-0x0000000000400000-0x0000000000627000-memory.dmp

        Filesize

        2.2MB

      • memory/3340-0-0x0000000000400000-0x0000000000425000-memory.dmp

        Filesize

        148KB

      • memory/3340-159-0x0000000000400000-0x0000000000425000-memory.dmp

        Filesize

        148KB

      • memory/3984-161-0x0000000000400000-0x0000000000627000-memory.dmp

        Filesize

        2.2MB

      • memory/3984-181-0x0000000000400000-0x0000000000627000-memory.dmp

        Filesize

        2.2MB

      • memory/3984-156-0x0000000000400000-0x0000000000627000-memory.dmp

        Filesize

        2.2MB

      • memory/3984-165-0x0000000000400000-0x0000000000627000-memory.dmp

        Filesize

        2.2MB

      • memory/3984-166-0x0000000000400000-0x0000000000627000-memory.dmp

        Filesize

        2.2MB

      • memory/3984-169-0x0000000000400000-0x0000000000627000-memory.dmp

        Filesize

        2.2MB

      • memory/3984-172-0x0000000000400000-0x0000000000627000-memory.dmp

        Filesize

        2.2MB

      • memory/3984-175-0x0000000000400000-0x0000000000627000-memory.dmp

        Filesize

        2.2MB

      • memory/3984-178-0x0000000000790000-0x000000000082E000-memory.dmp

        Filesize

        632KB

      • memory/3984-158-0x0000000000400000-0x0000000000627000-memory.dmp

        Filesize

        2.2MB

      • memory/3984-182-0x0000000000790000-0x000000000082E000-memory.dmp

        Filesize

        632KB

      • memory/3984-185-0x0000000000400000-0x0000000000627000-memory.dmp

        Filesize

        2.2MB

      • memory/3984-188-0x0000000000400000-0x0000000000627000-memory.dmp

        Filesize

        2.2MB

      • memory/3984-189-0x0000000000790000-0x000000000082E000-memory.dmp

        Filesize

        632KB

      • memory/3984-192-0x0000000000400000-0x0000000000627000-memory.dmp

        Filesize

        2.2MB

      • memory/3984-195-0x0000000000400000-0x0000000000627000-memory.dmp

        Filesize

        2.2MB

      • memory/3984-198-0x0000000000400000-0x0000000000627000-memory.dmp

        Filesize

        2.2MB

      • memory/3984-201-0x0000000000400000-0x0000000000627000-memory.dmp

        Filesize

        2.2MB

      • memory/3984-204-0x0000000000400000-0x0000000000627000-memory.dmp

        Filesize

        2.2MB

      • memory/3984-207-0x0000000000400000-0x0000000000627000-memory.dmp

        Filesize

        2.2MB