Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    25-01-2024 00:26

General

  • Target

    7341e923d37930deb38419980bc4d3b2.exe

  • Size

    779KB

  • MD5

    7341e923d37930deb38419980bc4d3b2

  • SHA1

    130b7c917d72d0ee83e81397cd60ad5684d6175d

  • SHA256

    244c693922da65a044f6226a3f05ba26d8055eb210b3f43e64925dc80f3d6a17

  • SHA512

    220a41d08151d1a3b102bbcd1d16c8db313a87a6d6bec80e4f8de5ccba0f4691917d2178dc42523455e5abbe9555fa93aee647ec92c4dc838e93c43d0d86dcda

  • SSDEEP

    12288:gwMDD47E2/bDlvNXK6si6xhMiprWebxTAij1rlAUN4Cvt0RUli/F2mu:gtg7E2NvJAv/dqIxLjAUVl0RUlGYm

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 8 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7341e923d37930deb38419980bc4d3b2.exe
    "C:\Users\Admin\AppData\Local\Temp\7341e923d37930deb38419980bc4d3b2.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2652
    • C:\Users\Admin\AppData\Local\Temp\DM_TgI1mgBXCT\DownloadManager.exe
      DownloadManager.exe "C:\Users\Admin\AppData\Local\Temp\7341e923d37930deb38419980bc4d3b2.exe"
      2⤵
      • Executes dropped EXE
      • Modifies Internet Explorer settings
      • Modifies system certificate store
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:2704

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\DM_TgI1mgBXCT\ApplicationDebug.log

    Filesize

    94B

    MD5

    81ff31d4f9720276eab7467b2ab73ae9

    SHA1

    3a273e3803e6d01d5d2ccbf4b7950157ba8ce5c8

    SHA256

    0bcbce9d68a8d479a55a93f56990467bb7ac94bc63bce65ec740d8ea4a1d2ec2

    SHA512

    67b3fd359d8557ceaf18a9b263e0654be044edea827b2cf4ef99e68c5f1ce71e52f6d3de51cda41295e27122f675f4a93e15f3f924b31dfdfc34b1430cb79903

  • C:\Users\Admin\AppData\Local\Temp\nsy85B.tmp\System.dll

    Filesize

    11KB

    MD5

    c17103ae9072a06da581dec998343fc1

    SHA1

    b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

    SHA256

    dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

    SHA512

    d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

  • \Users\Admin\AppData\Local\Temp\DM_TgI1mgBXCT\DownloadManager.exe

    Filesize

    1.3MB

    MD5

    31199b186530877b8a853119ceaf39ac

    SHA1

    fdb4db880edb74e718c913d477316330f1341b9b

    SHA256

    33ab2810cab812621f8e8bf1d30e49a41570af00693db2bfabff69c6d242bd01

    SHA512

    7d5bb60198e03fc1c136a64a1721792805effd66aea593ea64a74b63e3cfa101a96508676abf64a3aa0a53b8e134f7a9da8e80c0def3eac3f5c745acd80b2a02

  • \Users\Admin\AppData\Local\Temp\nsy85B.tmp\UserInfo.dll

    Filesize

    4KB

    MD5

    7579ade7ae1747a31960a228ce02e666

    SHA1

    8ec8571a296737e819dcf86353a43fcf8ec63351

    SHA256

    564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5

    SHA512

    a88bc56e938374c333b0e33cb72951635b5d5a98b9cb2d6785073cbcad23bf4c0f9f69d3b7e87b46c76eb03ced9bb786844ce87656a9e3df4ca24acf43d7a05b

  • \Users\Admin\AppData\Local\Temp\nsy85B.tmp\inetc.dll

    Filesize

    20KB

    MD5

    c498ae64b4971132bba676873978de1e

    SHA1

    92e4009cd776b6c8616d8bffade7668ef3cb3c27

    SHA256

    5552bdde7e4113393f683ef501e4cc84dccc071bdc51391ea7fa3e7c1d49e4e8

    SHA512

    8e5ca35493f749a39ceae6796d2658ba10f7d8d9ceca45bb4365b338fabd1dfa9b9f92e33f50c91b0273e66adfbce4b98b09c15fd2473f8b214ed797462333d7

  • \Users\Admin\AppData\Local\Temp\nsy85B.tmp\pwgen.dll

    Filesize

    16KB

    MD5

    a555472395178ac8c733d90928e05017

    SHA1

    f44b192d66473f01a6540aaec4b6c9ac4c611d35

    SHA256

    82ae08fced4a1f9a7df123634da5f4cb12af4593a006bef421a54739a2cbd44e

    SHA512

    e6d87b030c45c655d93b2e76d7437ad900df5da2475dd2e6e28b6c872040491e80f540b00b6091d16bc8410bd58a1e82c62ee1b17193ef8500a153d4474bb80a

  • memory/2704-74-0x000000001B040000-0x000000001B088000-memory.dmp

    Filesize

    288KB

  • memory/2704-39-0x000007FEF5D50000-0x000007FEF66ED000-memory.dmp

    Filesize

    9.6MB

  • memory/2704-75-0x0000000000C60000-0x0000000000CE0000-memory.dmp

    Filesize

    512KB

  • memory/2704-76-0x0000000000C60000-0x0000000000CE0000-memory.dmp

    Filesize

    512KB

  • memory/2704-77-0x0000000000C60000-0x0000000000CE0000-memory.dmp

    Filesize

    512KB

  • memory/2704-78-0x0000000000C60000-0x0000000000CE0000-memory.dmp

    Filesize

    512KB

  • memory/2704-79-0x0000000000C60000-0x0000000000CE0000-memory.dmp

    Filesize

    512KB

  • memory/2704-80-0x0000000021920000-0x00000000220C6000-memory.dmp

    Filesize

    7.6MB

  • memory/2704-86-0x000007FEF5D50000-0x000007FEF66ED000-memory.dmp

    Filesize

    9.6MB

  • memory/2704-40-0x0000000000C60000-0x0000000000CE0000-memory.dmp

    Filesize

    512KB