Analysis

  • max time kernel
    118s
  • max time network
    132s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    25/12/2023, 20:34

General

  • Target

    3b9bfe1de99501985d59dc3e10a03aff.exe

  • Size

    1.6MB

  • MD5

    3b9bfe1de99501985d59dc3e10a03aff

  • SHA1

    e097582b626b38314ba1151f0c388e8f4a2f0a64

  • SHA256

    14225dd7e81e6736d9f52c083f3dc009fe9398c5b583ffe971802325cb10d92b

  • SHA512

    92cf447874d2e0b6f94c65041b480460925c698560c454e2055797d7cc1dec45481df5d1efd593c0d0c31d7dfb258d6f30279b4323fae1d9ff2a52039fd3c74b

  • SSDEEP

    49152:B4iUJg/bzdpAI7QeZ6688/ykGl4y8u7CUxg:BpUJWbp+IdQ3VPmyrBG

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 7 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3b9bfe1de99501985d59dc3e10a03aff.exe
    "C:\Users\Admin\AppData\Local\Temp\3b9bfe1de99501985d59dc3e10a03aff.exe"
    1⤵
    • Loads dropped DLL
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:2336

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\nso6F19.tmp\soffer.dll

          Filesize

          64KB

          MD5

          601fa86589204f8d095442483cb913fb

          SHA1

          f50fbef9b3d6407aedee63088a6be75490738f0a

          SHA256

          b5b3fd84c99e49d10cf765a4b58fd541a64262e9b3ec04cf7a093aacab2e066e

          SHA512

          bf8e64207279d6b635184774a6335ff60484f8b8315f7b0c7750839d1862ef6c928bffd458fa35f505cb2eccfd4b6f721ed17190888156e0919856630865aec2

        • \Users\Admin\AppData\Local\Temp\nso6F19.tmp\System.dll

          Filesize

          11KB

          MD5

          bf712f32249029466fa86756f5546950

          SHA1

          75ac4dc4808ac148ddd78f6b89a51afbd4091c2e

          SHA256

          7851cb12fa4131f1fee5de390d650ef65cac561279f1cfe70ad16cc9780210af

          SHA512

          13f69959b28416e0b8811c962a49309dca3f048a165457051a28a3eb51377dcaf99a15e86d7eee8f867a9e25ecf8c44da370ac8f530eeae7b5252eaba64b96f4

        • \Users\Admin\AppData\Local\Temp\nso6F19.tmp\UAC.dll

          Filesize

          13KB

          MD5

          a88baad3461d2e9928a15753b1d93fd7

          SHA1

          bb826e35264968bbc3b981d8430ac55df1e6d4a6

          SHA256

          c5ab2926c268257122d0342739e73573d7eeda34c861bc7a68a02cbc69bd41af

          SHA512

          5edcf46680716930da7fd1a41b8b0426f057cf4becefb3ee84798ec8b449726afb822fb626c4942036a1ae3bb937184d1f71d0e45075abb5bf167f5d833df43a

        • \Users\Admin\AppData\Local\Temp\nso6F19.tmp\UserInfo.dll

          Filesize

          4KB

          MD5

          c7ce0e47c83525983fd2c4c9566b4aad

          SHA1

          38b7ad7bb32ffae35540fce373b8a671878dc54e

          SHA256

          6293408a5fa6d0f55f0a4d01528eb5b807ee9447a75a28b5986267475ebcd3ae

          SHA512

          ee9f23ea5210f418d4c559628bbfb3a0f892440bcd5dc4c1901cb8e510078e4481ea8353b262795076a19055e70b88e08fee5fb7e8f35a6f49022096408df20e

        • \Users\Admin\AppData\Local\Temp\nso6F19.tmp\apphelp.dll

          Filesize

          92KB

          MD5

          a8b972537ef7edd50321f1ec7964307d

          SHA1

          4ec1a610f9e21dcedb50488f69dfdd96b7ffd1e6

          SHA256

          e604c8324ae8648463b7568836c9852be360735c5fc8a66d3d461dceb0ecfe38

          SHA512

          e9aba294a29f69961f2d32a35205d4fbb46f97df5364dd5789d80246c6f47773ca911de6165d52043eeb829937d4fb86b1cb8ada50f926f3f47cd77b94441f40

        • \Users\Admin\AppData\Local\Temp\nso6F19.tmp\nsDialogs.dll

          Filesize

          9KB

          MD5

          4ccc4a742d4423f2f0ed744fd9c81f63

          SHA1

          704f00a1acc327fd879cf75fc90d0b8f927c36bc

          SHA256

          416133dd86c0dff6b0fcaf1f46dfe97fdc85b37f90effb2d369164a8f7e13ae6

          SHA512

          790c5eb1f8b297e45054c855b66dfc18e9f3f1b1870559014dbefa3b9d5b6d33a993a9e089202e70f51a55d859b74e8605c6f633386fd9189b6f78941bf1bfdb

        • \Users\Admin\AppData\Local\Temp\nso6F19.tmp\registry.dll

          Filesize

          24KB

          MD5

          2b7007ed0262ca02ef69d8990815cbeb

          SHA1

          2eabe4f755213666dbbbde024a5235ddde02b47f

          SHA256

          0b25b20f26de5d5bd795f934c70447112b4981343fcb2dfab3374a4018d28c2d

          SHA512

          aa75ee59ca0b8530eb7298b74e5f334ae9d14129f603b285a3170b82103cfdcc175af8185317e6207142517769e69a24b34fcdf0f58ed50a4960cbe8c22a0aca

        • \Users\Admin\AppData\Local\Temp\nso6F19.tmp\soffer.dll

          Filesize

          178KB

          MD5

          f0446b322b86bb83f325f6eb14c1fe6c

          SHA1

          e2f41e33e1564da3d31dee2031cb485af13ad4c9

          SHA256

          a12553d08009706278fbc01892e51efc949de5e930b0eebb79942ab66a41ccc0

          SHA512

          7cef8d01c07c55b4a46a24e7dabbc8b1310cd62b20133cdafd0b83294f29657ff6c29b9ccacb05a1b1c8b2c160d4b5406ee3d7dcc95e2d7c5612875418cc2542

        • memory/2336-38-0x0000000002D70000-0x0000000002D71000-memory.dmp

          Filesize

          4KB

        • memory/2336-53-0x0000000002D70000-0x0000000002D71000-memory.dmp

          Filesize

          4KB