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, 12:26

General

  • Target

    12005c11410d502cb28aa15808a42d66638d71295f48e675c37c8701fdde6d20.exe

  • Size

    7.2MB

  • MD5

    42d656a6b88be559079d22b8489552cf

  • SHA1

    5283132a8ba8502e69e061eedb0bd11c9f7f5438

  • SHA256

    12005c11410d502cb28aa15808a42d66638d71295f48e675c37c8701fdde6d20

  • SHA512

    11e640df86021de9371c5fe4998b1e5c7d1b845daa20a5ed1c432fc3e3258a751452c9f0d33d1748400b1fb101228af2f79e93c37e0a506731a98456708b325d

  • SSDEEP

    196608:9xm5nCZjZ3QO7Kmk85hry72SfDYuahd3u/w2lzj:aC80q8y72Skua3+/Vlzj

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\12005c11410d502cb28aa15808a42d66638d71295f48e675c37c8701fdde6d20.exe
    "C:\Users\Admin\AppData\Local\Temp\12005c11410d502cb28aa15808a42d66638d71295f48e675c37c8701fdde6d20.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4976
    • C:\Users\Admin\AppData\Local\Temp\is-9IBJT.tmp\12005c11410d502cb28aa15808a42d66638d71295f48e675c37c8701fdde6d20.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-9IBJT.tmp\12005c11410d502cb28aa15808a42d66638d71295f48e675c37c8701fdde6d20.tmp" /SL5="$601F0,7251001,121856,C:\Users\Admin\AppData\Local\Temp\12005c11410d502cb28aa15808a42d66638d71295f48e675c37c8701fdde6d20.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4632
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:3016
        • C:\Program Files (x86)\numGIF\numgif.exe
          "C:\Program Files (x86)\numGIF\numgif.exe" -i
          3⤵
          • Executes dropped EXE
          PID:996
        • C:\Program Files (x86)\numGIF\numgif.exe
          "C:\Program Files (x86)\numGIF\numgif.exe" -s
          3⤵
          • Executes dropped EXE
          PID:4416
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 12
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4176
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 12
            4⤵
              PID:3652

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

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

              Filesize

              1.9MB

              MD5

              e7ae5cf16387dde3911eb8e60ec51e1e

              SHA1

              c931add4419ee96f3dd297a1a6bdbc7f12327336

              SHA256

              c3d8e3e3fe04692645ea2d98cd879eae6e3fcaf20f10d67255c18aadf8abcd72

              SHA512

              73caa815d2f20addc098ae00521c4ce4bc060786098484e24edc4ce48954048f86a7739fc9af313a9d80dbf23b14dad3d5e3560dd1dbc1caeb8f18b84664ea92

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

              Filesize

              1.2MB

              MD5

              86d5fe9259cd569a31019c0db94f173f

              SHA1

              090a60e9185fc5514c8384ff17bd7042875a0848

              SHA256

              7a58a5e4734f9f2026aa5a08bcb02fd1d00664357d70858e74ef465c4c3015dd

              SHA512

              1583ffddd8a001e44fbeb882b46014e28b3ea753f53583bd9fe078a19f4c9bd249b11eb31c700a33d4faea2a716e731b3d93cf06e6d2677dd92c90b156032246

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

              Filesize

              237KB

              MD5

              a1086b012bbf8aac6ccffc6ed3242c67

              SHA1

              177cc102513b2b3488f76bc994c161f02cce4220

              SHA256

              6cb094edb7f90b3d832fbdc4e0d25a7095bf8d6cdcd1aeb4d9798d10a6257baf

              SHA512

              5bcc9986cff2754b0b34c1f78d52143ef6eb57ff2d30ce0407a473b57944f78e59d2ed2f53b65c407f8d86442231f56b6e89eecdabb918c30148cff1c986af15

            • C:\Users\Admin\AppData\Local\Temp\is-9IBJT.tmp\12005c11410d502cb28aa15808a42d66638d71295f48e675c37c8701fdde6d20.tmp

              Filesize

              687KB

              MD5

              f448d7f4b76e5c9c3a4eaff16a8b9b73

              SHA1

              31808f1ffa84c954376975b7cdb0007e6b762488

              SHA256

              7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

              SHA512

              f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

            • \Users\Admin\AppData\Local\Temp\is-6UNJ9.tmp\_isetup\_iscrypt.dll

              Filesize

              2KB

              MD5

              a69559718ab506675e907fe49deb71e9

              SHA1

              bc8f404ffdb1960b50c12ff9413c893b56f2e36f

              SHA256

              2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

              SHA512

              e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

            • \Users\Admin\AppData\Local\Temp\is-6UNJ9.tmp\_isetup\_isdecmp.dll

              Filesize

              19KB

              MD5

              3adaa386b671c2df3bae5b39dc093008

              SHA1

              067cf95fbdb922d81db58432c46930f86d23dded

              SHA256

              71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

              SHA512

              bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

            • memory/996-154-0x0000000000400000-0x0000000000628000-memory.dmp

              Filesize

              2.2MB

            • memory/996-150-0x0000000000400000-0x0000000000628000-memory.dmp

              Filesize

              2.2MB

            • memory/996-151-0x0000000000400000-0x0000000000628000-memory.dmp

              Filesize

              2.2MB

            • memory/996-153-0x0000000000400000-0x0000000000628000-memory.dmp

              Filesize

              2.2MB

            • memory/4416-181-0x0000000000770000-0x000000000080E000-memory.dmp

              Filesize

              632KB

            • memory/4416-187-0x0000000000400000-0x0000000000628000-memory.dmp

              Filesize

              2.2MB

            • memory/4416-157-0x0000000000400000-0x0000000000628000-memory.dmp

              Filesize

              2.2MB

            • memory/4416-206-0x0000000000400000-0x0000000000628000-memory.dmp

              Filesize

              2.2MB

            • memory/4416-203-0x0000000000400000-0x0000000000628000-memory.dmp

              Filesize

              2.2MB

            • memory/4416-160-0x0000000000400000-0x0000000000628000-memory.dmp

              Filesize

              2.2MB

            • memory/4416-200-0x0000000000400000-0x0000000000628000-memory.dmp

              Filesize

              2.2MB

            • memory/4416-164-0x0000000000400000-0x0000000000628000-memory.dmp

              Filesize

              2.2MB

            • memory/4416-165-0x0000000000400000-0x0000000000628000-memory.dmp

              Filesize

              2.2MB

            • memory/4416-168-0x0000000000400000-0x0000000000628000-memory.dmp

              Filesize

              2.2MB

            • memory/4416-171-0x0000000000400000-0x0000000000628000-memory.dmp

              Filesize

              2.2MB

            • memory/4416-174-0x0000000000400000-0x0000000000628000-memory.dmp

              Filesize

              2.2MB

            • memory/4416-177-0x0000000000770000-0x000000000080E000-memory.dmp

              Filesize

              632KB

            • memory/4416-178-0x0000000000400000-0x0000000000628000-memory.dmp

              Filesize

              2.2MB

            • memory/4416-197-0x0000000000400000-0x0000000000628000-memory.dmp

              Filesize

              2.2MB

            • memory/4416-184-0x0000000000400000-0x0000000000628000-memory.dmp

              Filesize

              2.2MB

            • memory/4416-194-0x0000000000400000-0x0000000000628000-memory.dmp

              Filesize

              2.2MB

            • memory/4416-188-0x0000000000770000-0x000000000080E000-memory.dmp

              Filesize

              632KB

            • memory/4416-191-0x0000000000400000-0x0000000000628000-memory.dmp

              Filesize

              2.2MB

            • memory/4632-11-0x0000000000610000-0x0000000000611000-memory.dmp

              Filesize

              4KB

            • memory/4632-161-0x0000000000610000-0x0000000000611000-memory.dmp

              Filesize

              4KB

            • memory/4632-159-0x0000000000400000-0x00000000004BC000-memory.dmp

              Filesize

              752KB

            • memory/4976-0-0x0000000000400000-0x0000000000425000-memory.dmp

              Filesize

              148KB

            • memory/4976-158-0x0000000000400000-0x0000000000425000-memory.dmp

              Filesize

              148KB