Analysis

  • max time kernel
    151s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/10/2023, 17:49

General

  • Target

    3f91d5c32ef659cf177d1e5d60e88526e608f2971de2c8ef9f13a947c9aed624.exe

  • Size

    452KB

  • MD5

    c2105935a40d402235f3283d93b012bc

  • SHA1

    a315d0c489b35d5b4b11702c031f0b87ddbc24eb

  • SHA256

    3f91d5c32ef659cf177d1e5d60e88526e608f2971de2c8ef9f13a947c9aed624

  • SHA512

    7d6eb372c0699d6c3d723bd8e315b5425e93ad03b8c25bafc75985d21d8c6df17876b27fc70bc43f6eb8284b98c803840adfa4304b141454a9e63d8a9d6ddadb

  • SSDEEP

    6144:+VfjmNFbYKn7Z6/BMO/g6v1028qIGoRiqFuMrB5vALnbE3kDvshbN92Uw4wAalLw:A7+O/SrnY83kjs/92Udmcxjnx

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
  • Program crash 1 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3244
      • C:\Users\Admin\AppData\Local\Temp\3f91d5c32ef659cf177d1e5d60e88526e608f2971de2c8ef9f13a947c9aed624.exe
        "C:\Users\Admin\AppData\Local\Temp\3f91d5c32ef659cf177d1e5d60e88526e608f2971de2c8ef9f13a947c9aed624.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:3272
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a73D8.bat
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4200
          • C:\Users\Admin\AppData\Local\Temp\3f91d5c32ef659cf177d1e5d60e88526e608f2971de2c8ef9f13a947c9aed624.exe
            "C:\Users\Admin\AppData\Local\Temp\3f91d5c32ef659cf177d1e5d60e88526e608f2971de2c8ef9f13a947c9aed624.exe"
            4⤵
            • Executes dropped EXE
            PID:2252
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 2252 -s 820
              5⤵
              • Program crash
              PID:2736
        • 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:3000
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:4460
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:3764
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 176 -p 2252 -ip 2252
        1⤵
          PID:1792

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              • C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe

                Filesize

                251KB

                MD5

                0ea45ba5ad4de7d4e7e65b38cf38cd4c

                SHA1

                aa9821be2687abd3cb71cfee3bc38aaf632cd93a

                SHA256

                44227ebfba06eff21aac1d1dbf7ce0aaccefeb0d7023722c08614fb24dda62f0

                SHA512

                afc85ade151a0c5e4a2b51e9ddab0077c1851504cb61087cf8d58314d8f14c0a57b108940e00e009e800a7dfdce903e8b6b7878091fdf0358002b265c91ff2ec

              • C:\Program Files\7-Zip\7z.exe

                Filesize

                484KB

                MD5

                1dccdf21eb48d426e19ed403153ffb9e

                SHA1

                67fd9fdf04443aa28dba88560faf1efdfc20f9d7

                SHA256

                64049aee01d870a96f287f8a4d11147aff5aaa9b1dcd5ea6f0016f9f5150e871

                SHA512

                04ab2bb1a1c79ce4d1e7a36dd2055c6101d8e35eb312a97e9e479727b7028568f2ac6f80dc9a295f4af1bb9baf7058e11e420f93bbc6ad4407021e8cb729d0f4

              • C:\Users\Admin\AppData\Local\Temp\$$a73D8.bat

                Filesize

                722B

                MD5

                be06179d18f32203a1e5cfc81c6ef7c4

                SHA1

                1e574ca4b5cd5bcad8d437b41ae2797e16c88b52

                SHA256

                2822432b2aedd50f824df10a2a54be861384b265bf2329590f7636a817bcfa6f

                SHA512

                bf73ab16dc38157f6922fdbfeb1dfdddbaada8ce4a5df4191f729fcc9783911ede9d5f7d2a92a2a1f0d817769d7317b7663104931c4d7c684ee803419e8ae206

              • C:\Users\Admin\AppData\Local\Temp\3f91d5c32ef659cf177d1e5d60e88526e608f2971de2c8ef9f13a947c9aed624.exe

                Filesize

                425KB

                MD5

                ca803e321a5657953b268466b7be08a6

                SHA1

                086ff36349b00455dc0a590362fa8f213d39f4ee

                SHA256

                a9d5eaecf97449a713e494492a0c86b53f0c7da10e783740c60036239e103f1e

                SHA512

                63dd90d62f00b5bc0e4eccdf25586f6ae01834a5f45d4faff076116fae1879e2e78cd4c7ad305dd0559b3f6f18d8dab2004665b2535165d199becb1604ca49e5

              • C:\Users\Admin\AppData\Local\Temp\3f91d5c32ef659cf177d1e5d60e88526e608f2971de2c8ef9f13a947c9aed624.exe.exe

                Filesize

                425KB

                MD5

                ca803e321a5657953b268466b7be08a6

                SHA1

                086ff36349b00455dc0a590362fa8f213d39f4ee

                SHA256

                a9d5eaecf97449a713e494492a0c86b53f0c7da10e783740c60036239e103f1e

                SHA512

                63dd90d62f00b5bc0e4eccdf25586f6ae01834a5f45d4faff076116fae1879e2e78cd4c7ad305dd0559b3f6f18d8dab2004665b2535165d199becb1604ca49e5

              • C:\Windows\Logo1_.exe

                Filesize

                26KB

                MD5

                fdd0d43a296e2baf16ff04a2ae282346

                SHA1

                cde5a89ac8cee3eb3d2970b36c3dfbcf595c00d6

                SHA256

                c4e87195d00e62a48ce38b324f555e455f2b2d9404390f478e8494a0ec1faeb6

                SHA512

                38af53def2cda996d378a65b2623fbade958ebd8228b797e1f2a898142a0427d83c32a654c5d53978d60627a6aaadd5ba6f5ab61cf58a955dbc62f6dbacbad8f

              • C:\Windows\Logo1_.exe

                Filesize

                26KB

                MD5

                fdd0d43a296e2baf16ff04a2ae282346

                SHA1

                cde5a89ac8cee3eb3d2970b36c3dfbcf595c00d6

                SHA256

                c4e87195d00e62a48ce38b324f555e455f2b2d9404390f478e8494a0ec1faeb6

                SHA512

                38af53def2cda996d378a65b2623fbade958ebd8228b797e1f2a898142a0427d83c32a654c5d53978d60627a6aaadd5ba6f5ab61cf58a955dbc62f6dbacbad8f

              • C:\Windows\rundl132.exe

                Filesize

                26KB

                MD5

                fdd0d43a296e2baf16ff04a2ae282346

                SHA1

                cde5a89ac8cee3eb3d2970b36c3dfbcf595c00d6

                SHA256

                c4e87195d00e62a48ce38b324f555e455f2b2d9404390f478e8494a0ec1faeb6

                SHA512

                38af53def2cda996d378a65b2623fbade958ebd8228b797e1f2a898142a0427d83c32a654c5d53978d60627a6aaadd5ba6f5ab61cf58a955dbc62f6dbacbad8f

              • C:\odt\_desktop.ini

                Filesize

                9B

                MD5

                872506f1dadcc0cedd1e9dee11f54da4

                SHA1

                d1e87145ed1d918f10ae4e93ccdbb994bc906ed5

                SHA256

                a0049e98811438481e150df54f7b555026746c943cb03106677bf75b4e412104

                SHA512

                6cf3aeeed18e66a16ed653a5c33133ec8d5fb58cf42aab9e712cf473233e506d4f14692dff04b7c20847718e5c344ec2651e57d2ae7a034610b07679b786344c

              • F:\$RECYCLE.BIN\S-1-5-21-2890696111-2332180956-3312704074-1000\_desktop.ini

                Filesize

                10B

                MD5

                dbf19ca54500e964528b156763234c1d

                SHA1

                05376f86423aec8badf0adbc47887234ac83ef5a

                SHA256

                bfa0ad2e861e2369dc239edf8f62fbe1c4507d877ec2f76e46e48f1e68fdd5ae

                SHA512

                fb8ce1253ad6d3c1b7d970614dbc2d21574576336a490b54a8dc705a3d8637c0669747ba821fb2f4da14d7447dc24607aca988b0cd3bd9fc4d9d5988b4b631d0

              • memory/2252-18-0x00000000742E0000-0x0000000074A90000-memory.dmp

                Filesize

                7.7MB

              • memory/2252-19-0x0000000000640000-0x00000000006AE000-memory.dmp

                Filesize

                440KB

              • memory/2252-21-0x00000000742E0000-0x0000000074A90000-memory.dmp

                Filesize

                7.7MB

              • memory/3000-22-0x0000000000400000-0x0000000000434000-memory.dmp

                Filesize

                208KB

              • memory/3000-25-0x0000000000400000-0x0000000000434000-memory.dmp

                Filesize

                208KB

              • memory/3000-30-0x0000000000400000-0x0000000000434000-memory.dmp

                Filesize

                208KB

              • memory/3000-36-0x0000000000400000-0x0000000000434000-memory.dmp

                Filesize

                208KB

              • memory/3000-41-0x0000000000400000-0x0000000000434000-memory.dmp

                Filesize

                208KB

              • memory/3000-45-0x0000000000400000-0x0000000000434000-memory.dmp

                Filesize

                208KB

              • memory/3000-1281-0x0000000000400000-0x0000000000434000-memory.dmp

                Filesize

                208KB

              • memory/3000-1520-0x0000000000400000-0x0000000000434000-memory.dmp

                Filesize

                208KB

              • memory/3000-9-0x0000000000400000-0x0000000000434000-memory.dmp

                Filesize

                208KB

              • memory/3000-4823-0x0000000000400000-0x0000000000434000-memory.dmp

                Filesize

                208KB

              • memory/3272-0-0x0000000000400000-0x0000000000434000-memory.dmp

                Filesize

                208KB

              • memory/3272-8-0x0000000000400000-0x0000000000434000-memory.dmp

                Filesize

                208KB