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Analysis

  • max time kernel
    142s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/04/2024, 00:47

General

  • Target

    2024-04-17_b482e0b4ed1daff702e9e8c71e44ef8c_floxif_mafia.exe

  • Size

    2.5MB

  • MD5

    b482e0b4ed1daff702e9e8c71e44ef8c

  • SHA1

    abe26bbfe8f4295d1156e9e0369a1c86b254d6bb

  • SHA256

    03d17f9bd97e32137302b29fd09085a3f810f33e6c4105957bf38b43a6bc1f7b

  • SHA512

    6e0e02bc886d7b12b1287e27c058c4b966608594b2c0e04325741580faa09895812a25b82b16d36d599602698ea10bdfa6e725f8df44d1877bf828f1e4ac1fb3

  • SSDEEP

    49152:pmhcbMDOyZLi/N3iKTqOw7XYym7U4aFvsO1CThFhu7vLruwqf+tP:pmpiyZu/N3cOw7XSU4aFvsO1X7vr

Score
9/10
upx

Malware Config

Signatures

  • UPX dump on OEP (original entry point) 3 IoCs
  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Loads dropped DLL 1 IoCs
  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 1 IoCs
  • Program crash 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-04-17_b482e0b4ed1daff702e9e8c71e44ef8c_floxif_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-04-17_b482e0b4ed1daff702e9e8c71e44ef8c_floxif_mafia.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4836
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4836 -s 628
      2⤵
      • Program crash
      PID:2372
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4836 -s 676
      2⤵
      • Program crash
      PID:3188
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 4836 -ip 4836
    1⤵
      PID:536
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 4836 -ip 4836
      1⤵
        PID:856
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3804 --field-trial-handle=2264,i,15001568551143786084,90255922961447677,262144 --variations-seed-version /prefetch:8
        1⤵
          PID:1120

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Program Files\Common Files\System\symsrv.dll

          Filesize

          67KB

          MD5

          7574cf2c64f35161ab1292e2f532aabf

          SHA1

          14ba3fa927a06224dfe587014299e834def4644f

          SHA256

          de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

          SHA512

          4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

        • memory/4836-3-0x0000000010000000-0x0000000010030000-memory.dmp

          Filesize

          192KB

        • memory/4836-5-0x0000000000710000-0x000000000098D000-memory.dmp

          Filesize

          2.5MB

        • memory/4836-11-0x0000000010000000-0x0000000010030000-memory.dmp

          Filesize

          192KB