Analysis

  • max time kernel
    151s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-05-2024 03:29

General

  • Target

    33ca50c4f96973afec1dac7bc22211b554b7a4a458e7272ad3d5b2fc7e6a229e.exe

  • Size

    959KB

  • MD5

    ecb2a6231699f4fe3c9da36d001494b5

  • SHA1

    a4293e7d2783e194b745e164451d0355be3a9ae9

  • SHA256

    33ca50c4f96973afec1dac7bc22211b554b7a4a458e7272ad3d5b2fc7e6a229e

  • SHA512

    e6fe76b1c270830ac47f1b67e4ef8d42d600083173c0bcb9ba70449e08754cf3b7379fad4ba172b4d88bdfef31b6a305f1f287c738ac5a1b7025ee1a4a198602

  • SSDEEP

    12288:QRKcv8Nh7py6Rmi78gkPH3aPI9vyVg/0paQuj3IdD02fKBjtp/:lBpDRmi78gkPXlyo0G/jr

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Enumerates connected drives 3 TTPs 21 IoCs

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

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3300
      • C:\Users\Admin\AppData\Local\Temp\33ca50c4f96973afec1dac7bc22211b554b7a4a458e7272ad3d5b2fc7e6a229e.exe
        "C:\Users\Admin\AppData\Local\Temp\33ca50c4f96973afec1dac7bc22211b554b7a4a458e7272ad3d5b2fc7e6a229e.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:1616
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$aC40.bat
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2388
          • C:\Users\Admin\AppData\Local\Temp\33ca50c4f96973afec1dac7bc22211b554b7a4a458e7272ad3d5b2fc7e6a229e.exe
            "C:\Users\Admin\AppData\Local\Temp\33ca50c4f96973afec1dac7bc22211b554b7a4a458e7272ad3d5b2fc7e6a229e.exe"
            4⤵
            • Executes dropped EXE
            • Suspicious use of AdjustPrivilegeToken
            PID:4008
        • C:\Windows\Logo1_.exe
          C:\Windows\Logo1_.exe
          3⤵
          • Executes dropped EXE
          • Enumerates connected drives
          • Drops file in Program Files directory
          • Drops file in Windows directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:1772
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:1820
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:3792
      • 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=1408 --field-trial-handle=2280,i,4114443225282860369,4764091921472631035,262144 --variations-seed-version /prefetch:8
        1⤵
          PID:3288

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Program Files\ExportAdd.exe

          Filesize

          396KB

          MD5

          7973343fb42c323daf6351d54be028fb

          SHA1

          162bb8e8bfc6cc6df4272d80e67952ac2b5d5ade

          SHA256

          4ffe0f2350f8a52ce57691b998ebfdc9532c5561c3b4d3882a842424ba34de17

          SHA512

          ea8370b345585d94150a86ac3394d364c923b3a4df095e5313cf50d06fbf3436add3939b59bd249f23dfced0e130da7384d47f4165ceb46d0a5db8184463e6bd

        • C:\Users\Admin\AppData\Local\Temp\$$aC40.bat

          Filesize

          721B

          MD5

          973fe3ae9a5d40df73aba4d386f785f0

          SHA1

          df6d312a12a880c1e9ea3e1e0d52c7e68bcbdbf1

          SHA256

          1dca92351f6e7ec38b1e2f2b6f78aa83e07f5779431f35a25faf0973f8e09bcf

          SHA512

          17fdb5153359b9bc170ca01351d48d23e267b92f14491980a117d3d4a8761b17abfaf144cc77432915f33ec1e9cc246df028401ca2f9b08d6e9ff4b45186f10f

        • C:\Users\Admin\AppData\Local\Temp\33ca50c4f96973afec1dac7bc22211b554b7a4a458e7272ad3d5b2fc7e6a229e.exe.exe

          Filesize

          930KB

          MD5

          30ac0b832d75598fb3ec37b6f2a8c86a

          SHA1

          6f47dbfd6ff36df7ba581a4cef024da527dc3046

          SHA256

          1ea0839c8dc95ad2c060af7d042c40c0daed58ce8e4524c0fba12fd73e4afb74

          SHA512

          505870601a4389b7ed2c8fecf85835adfd2944cbc10801f74bc4e08f5a0d6ecc9a52052fc37e216304cd1655129021862294a698ed36b3b43d428698f7263057

        • C:\Windows\Logo1_.exe

          Filesize

          29KB

          MD5

          e138d7d47ace7dfa816f7ac64e8d4898

          SHA1

          9d0be22461b768c1f2541e204d6b0de4e6de18d6

          SHA256

          2cfdf912ecaf532855d684e10474a60243b5ed381d522669ee6c3c4ba0fffe75

          SHA512

          bbbcd2879ebe1e566ae56f98c45a76aad8f58201b791156328661b98a1adaa89b98e0e1888c1eac3052f298afad2b09da1817c1b8911fa2da77bc87e5927b568

        • F:\$RECYCLE.BIN\S-1-5-21-3808065738-1666277613-1125846146-1000\_desktop.ini

          Filesize

          9B

          MD5

          588b2065b2adfd8dfd688104d02aad5a

          SHA1

          263f0ca294d728a13f51220aea8123aa257cc6e2

          SHA256

          f9ab49edf14c6bda17287f7caa63d3b3bb20a65215f1462cf05577a5c1c472e6

          SHA512

          99106035ac4547c81fd737f5f79ddd32ea10fde9e3ea97102472c871aa9f94ee3f68823bcc4bb308e92265a9c3cacd4b1f5c9f52f8d3e630cdf6bdcd3c737e2d

        • memory/1616-0-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/1616-12-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/1772-19-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/1772-42-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/1772-9-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/1772-37-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/1772-26-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/1772-33-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/1772-122-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/1772-956-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/1772-1017-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/1772-1184-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/1772-1211-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB