Analysis

  • max time kernel
    149s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-10-2024 05:43

General

  • Target

    $SYSDIR/$SYSDIR/$_1_.exe

  • Size

    52KB

  • MD5

    f56dd8937e7790a77ed66cf939a98cef

  • SHA1

    3f36412df3de2b669bcc5d698eb941477c52fba1

  • SHA256

    752f5e5833cc5dd1f3d5f4b2a93aea034aaa254f4da432c85b6f5d387631b11c

  • SHA512

    9ae4d54b54f10fd0da6c5ef3dfdff3a484887b2af3ec50a374cedca22cc36a2a9f45f850f9cc3cc623fbb23368dfdaf4692ac3c5dc16a1d547aec69f08e7bcea

  • SSDEEP

    1536:UoLDYsacy7mHMowHjXJF5rcFqzN3bqTANJQwBEAr:UoPyys5jXJF5rxl2sHQw2Ar

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • NSIS installer 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\$SYSDIR\$SYSDIR\$_1_.exe
    "C:\Users\Admin\AppData\Local\Temp\$SYSDIR\$SYSDIR\$_1_.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3564
    • C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe
      "C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe" _?=C:\Users\Admin\AppData\Local\Temp\$SYSDIR\$SYSDIR\
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:1128

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\nsvE070.tmp\InstallOptions.dll

    Filesize

    14KB

    MD5

    325b008aec81e5aaa57096f05d4212b5

    SHA1

    27a2d89747a20305b6518438eff5b9f57f7df5c3

    SHA256

    c9cd5c9609e70005926ae5171726a4142ffbcccc771d307efcd195dafc1e6b4b

    SHA512

    18362b3aee529a27e85cc087627ecf6e2d21196d725f499c4a185cb3a380999f43ff1833a8ebec3f5ba1d3a113ef83185770e663854121f2d8b885790115afdf

  • C:\Users\Admin\AppData\Local\Temp\nsvE070.tmp\System.dll

    Filesize

    11KB

    MD5

    c17103ae9072a06da581dec998343fc1

    SHA1

    b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

    SHA256

    dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

    SHA512

    d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

  • C:\Users\Admin\AppData\Local\Temp\nsvE070.tmp\validate.ini

    Filesize

    457B

    MD5

    0054218f50c5e956771d850d9fbb53ee

    SHA1

    3ad9a1ccb5ce07374cd9f24bf66d8497ad8af48b

    SHA256

    ae9d1d84987f7de8811988fb5a0aff77e22bde262963da36aa3af9853177edbd

    SHA512

    fbbf6bbd27a0f14e9f656ad0fd1ee8ffc4d9c8ab22e3b7b5100a9c8b7f890c77b6f9de2446f30e46192d1b31fd2760ba91a85f01f0e30ab465bead3fe6f0a9e5

  • C:\Users\Admin\AppData\Local\Temp\nsvE070.tmp\validate.ini

    Filesize

    531B

    MD5

    5369a26d949e4349fcfc038cd074fa8e

    SHA1

    3a68c99053f49d41b38d1aa57269e40cfe7ccca8

    SHA256

    13393f227e1d893834442efe770a3151ca0e897441a200a5658d322eef069d8c

    SHA512

    da63b8df29c95755131189ceb6796e31834ea595dab14587677368a9a886b505e37530483154821adc34096d390ecf0b1f693a311c9b3c36460d388a6fb17670

  • C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe

    Filesize

    52KB

    MD5

    f56dd8937e7790a77ed66cf939a98cef

    SHA1

    3f36412df3de2b669bcc5d698eb941477c52fba1

    SHA256

    752f5e5833cc5dd1f3d5f4b2a93aea034aaa254f4da432c85b6f5d387631b11c

    SHA512

    9ae4d54b54f10fd0da6c5ef3dfdff3a484887b2af3ec50a374cedca22cc36a2a9f45f850f9cc3cc623fbb23368dfdaf4692ac3c5dc16a1d547aec69f08e7bcea