Analysis

  • max time kernel
    149s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/08/2024, 03:10

General

  • Target

    79b669b8c50635f450e1fd5c1fe7043ab7536bd87deb86f3f3049c7bb88dfac1.exe

  • Size

    394KB

  • MD5

    5551a37a1f0ec94f28f1fbdcaf69a27c

  • SHA1

    c51c0776da0a8db87063ab5aa67ec6517dd516a6

  • SHA256

    79b669b8c50635f450e1fd5c1fe7043ab7536bd87deb86f3f3049c7bb88dfac1

  • SHA512

    3777077fa0bd00edfd928d8d3097d11f75efb60a774f6330d6cbc324e9b39298875bbeb9ec6aa5d0ce8ea4c3664e948ab6ada5f6bd7792ba05c4bf5c9fca4a58

  • SSDEEP

    6144:B46tGdyR43P2zPVz7jUBs8hqcBCi6dbfra4erJlt9A+xX1oOAisEIWmGeNkfGuYK:B3NRvahVy41

Malware Config

Signatures

  • Drops file in Drivers directory 2 IoCs
  • Drops startup file 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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
  • System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

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

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3464
      • C:\Users\Admin\AppData\Local\Temp\79b669b8c50635f450e1fd5c1fe7043ab7536bd87deb86f3f3049c7bb88dfac1.exe
        "C:\Users\Admin\AppData\Local\Temp\79b669b8c50635f450e1fd5c1fe7043ab7536bd87deb86f3f3049c7bb88dfac1.exe"
        2⤵
        • Drops file in Drivers directory
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:4940
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3160
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:4408
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$aD61C.bat
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2932
          • C:\Users\Admin\AppData\Local\Temp\79b669b8c50635f450e1fd5c1fe7043ab7536bd87deb86f3f3049c7bb88dfac1.exe
            "C:\Users\Admin\AppData\Local\Temp\79b669b8c50635f450e1fd5c1fe7043ab7536bd87deb86f3f3049c7bb88dfac1.exe"
            4⤵
            • Executes dropped EXE
            PID:3260
        • C:\Windows\Logo1_.exe
          C:\Windows\Logo1_.exe
          3⤵
          • Drops file in Drivers directory
          • Drops startup file
          • Executes dropped EXE
          • Enumerates connected drives
          • Drops file in Program Files directory
          • Drops file in Windows directory
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:4772
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:620
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:1772
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2940
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:3512

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Program Files\7-Zip\7z.exe

      Filesize

      577KB

      MD5

      f375599912a2c36d0b72cf3020d3428e

      SHA1

      1606bd6079148a8e09d9503a1af7863bf53aedcf

      SHA256

      777b585caa9476ed69413784665a6cc0d5a2ea3f34f71711106e9e315c2667a5

      SHA512

      c9dc90d8dd75d2b1180da634df5c7c7f91beb52959b2359ee7f83ee0346b835c7f24f610ff0da55b5129b3af883af25494a5fd0fbe464e3c1710083452b7b82d

    • C:\ProgramData\Package Cache\{63880b41-04fc-4f9b-92c4-4455c255eb8c}\windowsdesktop-runtime-8.0.2-win-x64.exe

      Filesize

      643KB

      MD5

      2336e205ddd0c4d9247838f374602727

      SHA1

      2c44420262f81114d26c448757390a4df2af5d76

      SHA256

      5940a191ed566bdad95563b25f34f057e76439ff5b9b7d39772f48ffdc19fa94

      SHA512

      475e004ce77b1f161d95d280ffffec33e2f0bb820e42d13d03a6c8c7fa8a08afc2e0dbae1cc3aa81735434d4eab78171d4c231a3c01ceaea713f8bc89f9e05b5

    • C:\Users\Admin\AppData\Local\Temp\$$aD61C.bat

      Filesize

      722B

      MD5

      d5b0a0269448117b4a10efd5fdb651c1

      SHA1

      1dab6ffc013547fff94a87626d02124a14415c3d

      SHA256

      e714127e5f802f7bae58b3ade57fe776b44017b63923919cf02de02a158d2ca1

      SHA512

      931e8f1a1dc093508ba80d7a28e0b7f73cb328984311b6114bbc95f7dd5734430cc3139d3fd4bd8ec03934210eac3fca8371473b0bf9c5d7405badd15f212008

    • C:\Users\Admin\AppData\Local\Temp\79b669b8c50635f450e1fd5c1fe7043ab7536bd87deb86f3f3049c7bb88dfac1.exe.exe

      Filesize

      360KB

      MD5

      5fbd45261a2de3bb42f489e825a9a935

      SHA1

      ff388f6e9efe651ec62c4152c1739783e7899293

      SHA256

      9e63701598199d5c47217e23b44d0e3ec5d53f5419166b1b6c68a7e9e8fc47a4

      SHA512

      7f22b1995a07016adb342c551454d602bfbe511525139aee8581b62116608e9e278fd81c26382f1333c7eccded4474196e73c093bb5cbf8e8f203e865024c058

    • C:\Windows\Logo1_.exe

      Filesize

      33KB

      MD5

      691f602e80b3386f1f5f218541fb2c32

      SHA1

      80e88565aa084a258f11e31a43268c3dd91e575b

      SHA256

      bb46b91e5e9db669d5491ca06ac89d2139fe145e85554119d1060df2a8ec4a8a

      SHA512

      1949232f7d263254dd65d5525cee2ecffb3377d6cfbe1f965f23bf7be65a145514b34524c37ff5c8fe5fc5ed2462d9e0ab169d5a443e42a0e4185be206ff8333

    • C:\Windows\system32\drivers\etc\hosts

      Filesize

      842B

      MD5

      6f4adf207ef402d9ef40c6aa52ffd245

      SHA1

      4b05b495619c643f02e278dede8f5b1392555a57

      SHA256

      d9704dab05e988be3e5e7b7c020bb9814906d11bb9c31ad80d4ed1316f6bc94e

      SHA512

      a6306bd200a26ea78192ae5b00cc49cfab3fba025fe7233709a4e62db0f9ed60030dce22b34afe57aad86a098c9a8c44e080cedc43227cb87ef4690baec35b47

    • F:\$RECYCLE.BIN\S-1-5-21-656926755-4116854191-210765258-1000\_desktop.ini

      Filesize

      9B

      MD5

      9810b812fea5407a7c6a6b912eab6de9

      SHA1

      653710a103c34c6d87e85d547de48561b1579927

      SHA256

      497dc92fb09ed6740a1e704ddf5f45daf1d330f0977aaf1142604be15753e7ef

      SHA512

      a23126d1624a391a08931a8f98ec9c26bc5bbe75de0f111bcdbf17b5bbe9bc6e748ca58e52c96fb9ea80509d5ad1c90bf1d92e472b08b2532321106ba1aca2cd

    • memory/4772-20-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/4772-12-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/4772-3600-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/4772-8888-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/4940-0-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/4940-11-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB