Analysis

  • max time kernel
    124s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/09/2024, 23:04

General

  • Target

    IS918MPTool_GA_221228A_L85C_Beta_V0=指定/IS918MPTrigger.exe

  • Size

    2.6MB

  • MD5

    b1047b89e5921f218354f26fd29a73d7

  • SHA1

    3d6f2a06d46e0a6538f0a923facd11d8bc0ab4c0

  • SHA256

    f33a68422edfb592a9a51f7532775badc6d8037f5823303f96d41e70b0c64d18

  • SHA512

    f55ff19087c9605af0721edd9254b6ecdc43f522896fc9fd579c22e0af6639563728dd47803ee5bb8de4a8d290247052f626bb315d9a673861938974be13ad4f

  • SSDEEP

    49152:ZCd9yvy5NhpZbTChxKCnFnQXBbrtgb/iQvu0UHOQGP:5vy5NhpZ6hxvWbrtUTrUHOlP

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 3 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 11 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 35 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\IS918MPTool_GA_221228A_L85C_Beta_V0=指定\IS918MPTrigger.exe
    "C:\Users\Admin\AppData\Local\Temp\IS918MPTool_GA_221228A_L85C_Beta_V0=指定\IS918MPTrigger.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4032
    • C:\Windows\SysWOW64\explorer.exe
      explorer.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3428
      • C:\Users\Admin\AppData\Local\Temp\@AE6BA6.tmp.exe
        "C:\Users\Admin\AppData\Local\Temp\@AE6BA6.tmp.exe"
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:4348
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\Temp\Admin0.bat" "
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1108
          • C:\Users\Admin\AppData\Roaming\Microsoft\Messenger\Extension\WdExt.exe
            "C:\Users\Admin\AppData\Roaming\Microsoft\Messenger\Extension\WdExt.exe"
            5⤵
            • Checks computer location settings
            • Executes dropped EXE
            • Loads dropped DLL
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of WriteProcessMemory
            PID:1476
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\Temp\Admin1.bat" "
              6⤵
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:5104
              • C:\Users\Admin\AppData\Roaming\Microsoft\Defender\launch.exe
                "C:\Users\Admin\AppData\Roaming\Microsoft\Defender\launch.exe" /i 1476
                7⤵
                • Checks computer location settings
                • Executes dropped EXE
                • Adds Run key to start application
                • System Location Discovery: System Language Discovery
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of WriteProcessMemory
                PID:1968
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\Temp\Admin2.bat" "
                  8⤵
                  • System Location Discovery: System Language Discovery
                  • Suspicious use of WriteProcessMemory
                  PID:3028
                  • C:\Users\Admin\AppData\Local\Temp\wtmps.exe
                    "C:\Users\Admin\AppData\Local\Temp\wtmps.exe"
                    9⤵
                    • Executes dropped EXE
                    • Drops file in System32 directory
                    • System Location Discovery: System Language Discovery
                    • Suspicious use of WriteProcessMemory
                    PID:3100
                    • C:\Windows\SysWOW64\mscaps.exe
                      "C:\Windows\system32\mscaps.exe" /C:\Users\Admin\AppData\Local\Temp\wtmps.exe
                      10⤵
                      • Executes dropped EXE
                      PID:2736
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\Temp\Admin1.bat" "
          4⤵
          • System Location Discovery: System Language Discovery
          PID:324
      • C:\Users\Admin\AppData\Local\Temp\IS918MPTool_GA_221228A_L85C_Beta_V0=指定\IS918MPTrigger.exe
        "C:\Users\Admin\AppData\Local\Temp\IS918MPTool_GA_221228A_L85C_Beta_V0=指定\IS918MPTrigger.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:3596
  • 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=4332,i,8293235976513689021,7261015831736501466,262144 --variations-seed-version --mojo-platform-channel-handle=3888 /prefetch:8
    1⤵
      PID:4452

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\7F8B.tmp

      Filesize

      406B

      MD5

      37512bcc96b2c0c0cf0ad1ed8cfae5cd

      SHA1

      edf7f17ce28e1c4c82207cab8ca77f2056ea545c

      SHA256

      27e678bf5dc82219d6edd744f0b82567a26e40f8a9dcd6487205e13058e3ed1f

      SHA512

      6d4252ab5aa441a76ce2127224fefcb221259ab4d39f06437b269bd6bfdaae009c8f34e9603ec734159553bc9f1359bdd70316cd426d73b171a9f17c41077641

    • C:\Users\Admin\AppData\Local\Temp\@AE6BA6.tmp.exe

      Filesize

      1.8MB

      MD5

      679f095845eff4cf89d7ae4596fe0335

      SHA1

      9e93d8d386d6bbe1bbb8f097fb78147bb55139b1

      SHA256

      83abfd7345b7203e18876ba4a3d7f208522c5f841f178ad7429a67f137b37c9b

      SHA512

      92e9a1a2bde5d2a6eb475aa628277967cddbd7613b3758c7f3f3161ad059cc260bb5987350a13370c1fbb60e55812eee057f020bdb7f8b1311b8b8985bc5e125

    • C:\Users\Admin\AppData\Local\Temp\IS918MPTool_GA_221228A_L85C_Beta_V0=指定\IS918MPTrigger.exe

      Filesize

      787KB

      MD5

      d3157606e61f6974da42fd4a117206f7

      SHA1

      153f986ca3a9b960386af4bab67e4ae02e5461f6

      SHA256

      c21f04841f7e628b3193c1ec3a3aea53cd22a160d5a638fd3f4e4117c00def90

      SHA512

      314c6e89a6944fb402a38cd031a0bbf93050064a9c7df45ddb9aa8d3c22e243dd78d4f9b0b76f6f53792989e18dd157eca11970d84f2dd5fd2cf00dd2ba62c4d

    • C:\Users\Admin\AppData\Local\Temp\tmp7356.tmp

      Filesize

      1.0MB

      MD5

      df2c63605573c2398d796370c11cb26c

      SHA1

      efba97e2184ba3941edb008fcc61d8873b2b1653

      SHA256

      07ffcde2097d0af67464907fec6a4079b92da11583013bae7d3313fa32312fe8

      SHA512

      d9726e33fcfa96415cc906bdb1b0e53eba674eaf30ed77d41d245c1c59aa53e222246f691d82fa3a45f049fbf23d441768f9da21370e489232770ad5ae91d32f

    • C:\Users\Admin\AppData\Local\Temp\tmp7367.tmp

      Filesize

      229KB

      MD5

      6f90e1169d19dfde14d6f753f06c862b

      SHA1

      e9bca93c68d7df73d000f4a6e6eb73a343682ac5

      SHA256

      70a392389aecd0f58251e72c3fd7e9159f481061d14209ff8708a0fd9ff584dc

      SHA512

      f0c898222e9578c01ebe1befac27a3fb68d8fb6e76c7d1dec7a8572c1aa3201bacf1e69aa63859e95606790cf09962bcf7dc33b770a6846bed5bd7ded957b0b3

    • C:\Users\Admin\AppData\Local\Temp\tmp7368.tmp

      Filesize

      120KB

      MD5

      f558c76b0376af9273717fa24d99ebbf

      SHA1

      f84bcece5c6138b62ef94e9d668cf26178ee14cc

      SHA256

      01631353726dc51bcea311dbc012572cf96775e516b1c79a2de572ef15954b7a

      SHA512

      2092d1e126d0420fec5fc0311d6b99762506563f4890e4049e48e2d87dde5ac3e2e2ecc986ab305de2c6ceb619f18879a69a815d3241ccf8140bc5ea00c6768d

    • C:\Users\Admin\AppData\Local\Temp\tmp7379.tmp

      Filesize

      126KB

      MD5

      02ae22335713a8f6d6adf80bf418202b

      SHA1

      4c40c11f43df761b92a5745f85a799db7b389215

      SHA256

      ae5697f849fa48db6d3d13455c224fcf6ceb0602a1e8ac443e211dd0f32d50f4

      SHA512

      727d16102bfc768535b52a37e4e7b5d894f5daa268d220df108382c36dcce063afdbc31fd495a7a61305263ec4cd7e92713d894faa35b585c0b379217a1d929c

    • C:\Users\Admin\AppData\Local\Temp\tmp737A.tmp

      Filesize

      89KB

      MD5

      09203a9741b91f3a9ed01c82dcb8778d

      SHA1

      13e6f3fb169cd6aa5e4d450417a7e15665a2e140

      SHA256

      63149ad45db380f5dd15f65d9ceb2611d53a0a66e022483bee4ce2ff7d2610e2

      SHA512

      9e9e6fe0dd713417d0e28ba787cf862d55ecda9ee9f3df1eada144657f6a3b6ada1984fd05a3fffcd597a9715383225a8e40b6e5d0d8d39ec0d3a64b8dea9846

    • C:\Users\Admin\AppData\Local\Temp\tmp738A.tmp

      Filesize

      99KB

      MD5

      9a27bfb55dd768ae81ca8716db2da343

      SHA1

      55da0f4282bd838f72f435a5d4d24ac15b04482b

      SHA256

      5ec8093ef5939d1abce1c576097b584fb600b94ad767c1da897f7cb7f0063d26

      SHA512

      d9bb49d2f282ed09c351a1d8eb2540781e6a7fb39265473fd59d146bfc162f27a4ab1405301ed7395c12929a80551a399437d7d794d7ac48650e9037b60eb69c

    • C:\Users\Admin\AppData\Local\Temp\tmp738B.tmp

      Filesize

      172KB

      MD5

      2634fa3a332c297711cb59d43f54ffce

      SHA1

      8e2b68d0ee4e792efb1945ba86eceb87f07087d2

      SHA256

      27c945ccb84aa024f1f063701327e829a7ef3a7ede4a43b2febbb1dddbdf8740

      SHA512

      84e4799b9b18a7cc7be685c793a9b4fb135ea331d1d235fe823e1d7091130f131ab2fbad1da4dea795e82547aa16b00f4e2a9faaa96cb522d795f9abfda2fc53

    • C:\Users\Admin\AppData\Local\Temp\tmp739C.tmp

      Filesize

      276KB

      MD5

      e07c6a9e595f045fadc463dfda44ab16

      SHA1

      e6b199272ade02613f2003c365a4cb1487431e23

      SHA256

      d2fa6f9686386a92253a9c5ea25ace702a111483540b60c1300789235cea7fdc

      SHA512

      f3c630ae8381b99519aeeadbc2918810e7fb09a909f73ee6c46f4e9d3cf8c5051a5cf763db6a775d6cd8713ccf95a63b18df9ed756fa28276e8d7ab6a47f2cbf

    • C:\Users\Admin\AppData\Local\Temp\wtmps.exe

      Filesize

      276KB

      MD5

      75c1467042b38332d1ea0298f29fb592

      SHA1

      f92ea770c2ddb04cf0d20914578e4c482328f0f8

      SHA256

      3b20c853d4ca23240cd338b8cab16f1027c540ddfe9c4ffdca1624d2f923b373

      SHA512

      5c47c59ad222e2597ccdf2c100853c48f022e933f44c279154346eacf9e7e6f54214ada541d43a10424035f160b56131aab206c11512a9fd6ea614fbd3160aa0

    • C:\Users\Admin\AppData\Roaming\Microsoft\Defender\launch.exe

      Filesize

      172KB

      MD5

      daac1781c9d22f5743ade0cb41feaebf

      SHA1

      e2549eeeea42a6892b89d354498fcaa8ffd9cac4

      SHA256

      6a7093440420306cf7de53421a67af8a1094771e0aab9535acbd748d08ed766c

      SHA512

      190a7d5291e20002f996edf1e04456bfdff8b7b2f4ef113178bd42a9e5fd89fe6d410ae2c505de0358c4f53f9654ac1caaa8634665afa6d9691640dd4ee86160

    • C:\Users\Admin\AppData\Roaming\Microsoft\Messenger\Extension\WdExt.exe

      Filesize

      1.8MB

      MD5

      2290d3babaa2550a6a79a29b72c9ed9a

      SHA1

      30c8d2ff466958e45d8a7eec9c14733aecfe707c

      SHA256

      56eb0dd3a57ae5adc4dc5cf59870da45bab9a67c2d752df9fc1b465ba43e1648

      SHA512

      776f21dab46285230a10f140ece78e28007ef61b7767c23e0000685dcffc85d9a1e59096db42751bd3c154dec95c604b52286dbd26257bcc949edc4d58325337

    • C:\Users\Admin\AppData\Roaming\Temp\Admin0.bat

      Filesize

      129B

      MD5

      d1073c9b34d1bbd570928734aacff6a5

      SHA1

      78714e24e88d50e0da8da9d303bec65b2ee6d903

      SHA256

      b3c704b1a728004fc5e25899d72930a7466d7628dd6ddd795b3000897dfa4020

      SHA512

      4f2b9330e30fcc55245dc5d12311e105b2b2b9d607fbfc4a203c69a740006f0af58d6a01e2da284575a897528da71a2e61a7321034755b78feb646c8dd12347f

    • C:\Users\Admin\AppData\Roaming\Temp\Admin1.bat

      Filesize

      196B

      MD5

      f9a163591717f6fcae9afb0492e99bf9

      SHA1

      86bae43d93640e0ea4e4900c0623ba56071d6e65

      SHA256

      3e81459c4ff575d6c8da655cb59294db901080561cf6aceca7b79b29ce109f0e

      SHA512

      7bc31c6db2569e171f95dfcbdba10959dd47f54cfe15558c82fb268e040791dab1bf2437255fb33c63a10c6ab199462c77b1e57e2f37c563bea13ff3967ecaf1

    • C:\Users\Admin\AppData\Roaming\Temp\Admin1.bat

      Filesize

      126B

      MD5

      8f1c8217e2d235561ba44f2aa51b6745

      SHA1

      1d7ed4d61810051b3f1b5e1efffa8c76221fe87c

      SHA256

      c6ea4ea568852e067869c39a00f89121a5004d95b99dd0b7feac0ead2664bf0d

      SHA512

      361e577c7794124df3cfd47670ef6c06549c3fe797c724ddcdb31f16b095cde65bdf5f0491b6eddce386f8c0df79e00a6544b87e0f6d4a97a0e1c308e2caa982

    • C:\Users\Admin\AppData\Roaming\Temp\Admin2.bat

      Filesize

      102B

      MD5

      3ca08f080a7a28416774d80552d4aa08

      SHA1

      0b5f0ba641204b27adac4140fd45dce4390dbf24

      SHA256

      4e7d460b8dc9f2c01b4c5a16fb956aced10127bc940e8039a80c6455901ea1f0

      SHA512

      0c64aa462ff70473ef763ec392296fe0ea59b5340c26978531a416732bc3845adf9ca7b673cb7b4ba40cc45674351206096995c43600fccbbbe64e51b6019f01

    • C:\Users\Admin\AppData\Roaming\Temp\mydll.dll

      Filesize

      388KB

      MD5

      8d7db101a7211fe3309dc4dc8cf2dd0a

      SHA1

      6c2781eadf53b3742d16dab2f164baf813f7ac85

      SHA256

      93db7c9699594caa19490280842fbebec3877278c92128b92e63d75fcd01397a

      SHA512

      8b139d447068519997f7bbc2c7c2fe3846b89ae1fba847258277c9ab92a93583b28fae7ffa444768929ed5852cc914c0270446cbf0bd20aca49bde6b6f809c83

    • C:\Windows\SysWOW64\mscaps.exe

      Filesize

      200KB

      MD5

      78d3c8705f8baf7d34e6a6737d1cfa18

      SHA1

      9f09e248a29311dbeefae9d85937b13da042a010

      SHA256

      2c4c9ec8e9291ba5c73f641af2e0c3e1bbd257ac40d9fb9d3faab7cebc978905

      SHA512

      9a3c3175276da58f1bc8d1138e63238c8d8ccfbfa1a8a1338e88525eca47f8d745158bb34396b7c3f25e4296be5f45a71781da33ad0bbdf7ad88a9c305b85609

    • memory/4348-20-0x0000000010000000-0x0000000010015000-memory.dmp

      Filesize

      84KB