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Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/08/2024, 00:11

General

  • Target

    4652aff532fce673afb6bdf984d8ad60N.exe

  • Size

    157KB

  • MD5

    4652aff532fce673afb6bdf984d8ad60

  • SHA1

    06bb0f4ff5b4e2b888793e34599a0cb2e34b1b4e

  • SHA256

    b681b5a1b72475075ec9480b1c1acdcfd16b5bde2d7f3bd9578dbc9a8a553d64

  • SHA512

    c035b89a108f8cc34406543d894a609cb04ec8fd7cdd58fbebca3a61591432429845188669d113f1faf63f08007204dbce133d09fff37823380d4e1c71c1192a

  • SSDEEP

    3072:leVsjyYsAq/C3RCzgJHvNA1PpYfFL6zU+BEfi:gOjjqahUSPe1SZ+h

Score
10/10

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Modifies WinLogon 2 TTPs 2 IoCs
  • Drops file in Windows directory 2 IoCs
  • 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.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4652aff532fce673afb6bdf984d8ad60N.exe
    "C:\Users\Admin\AppData\Local\Temp\4652aff532fce673afb6bdf984d8ad60N.exe"
    1⤵
    • Modifies WinLogon
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:1528
    • C:\Windows\apppatch\svchost.exe
      "C:\Windows\apppatch\svchost.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Executes dropped EXE
      • Modifies WinLogon
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:2344
  • 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 --field-trial-handle=4108,i,9445584274764997943,12714240264001792460,262144 --variations-seed-version --mojo-platform-channel-handle=4020 /prefetch:8
    1⤵
      PID:1040

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Windows\apppatch\svchost.exe

      Filesize

      157KB

      MD5

      53a79aec6cac548bdbb0f8ae1ae460fc

      SHA1

      79593febf2c969f6f56c2f0387d3a835caec0833

      SHA256

      8b70d3efd39f7557f92415cb1aaa7090b8bdb71d5d4c606872a8fa5d772a6f90

      SHA512

      1216f02940f34324fc570308ae0898113deca03df540597bb24893e7e49b589f85df31fab40cc92e72047ce0c76310d23c6a7ab84182ca104f7d10339e671bca

    • memory/1528-9-0x0000000000820000-0x0000000000850000-memory.dmp

      Filesize

      192KB

    • memory/2344-10-0x0000000002C80000-0x0000000002CC6000-memory.dmp

      Filesize

      280KB

    • memory/2344-11-0x0000000002D10000-0x0000000002D5A000-memory.dmp

      Filesize

      296KB

    • memory/2344-13-0x0000000002D10000-0x0000000002D5A000-memory.dmp

      Filesize

      296KB

    • memory/2344-15-0x0000000002D10000-0x0000000002D5A000-memory.dmp

      Filesize

      296KB

    • memory/2344-18-0x0000000002D10000-0x0000000002D5A000-memory.dmp

      Filesize

      296KB