Analysis

  • max time kernel
    156s
  • max time network
    162s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-01-2024 19:57

General

  • Target

    cdc4e9a97cfdb29e14ebee1564049b662945f3cde9d8ccb2e479d21c165ffdf1.exe

  • Size

    67KB

  • MD5

    5077127cd8e3f2ad3f4edc280324cf91

  • SHA1

    7b7bb040200537e015b1abf761b989303e31813e

  • SHA256

    cdc4e9a97cfdb29e14ebee1564049b662945f3cde9d8ccb2e479d21c165ffdf1

  • SHA512

    94ab89aa75c491bd1053c076c78081c58d2fed4f57f9293c476a9eb18346ed6ed96f74ffe4814d36b2b93e18efb68bf27e750b02765dab17e8150b2b08105d3c

  • SSDEEP

    1536:hxDacx1aeg1vjrI9U/xvyyyZoEV0JuRUFyMOaHQ1l:hMf9kU0+k0JXXOeQ

Score
7/10

Malware Config

Signatures

  • 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
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3576
      • C:\Users\Admin\AppData\Local\Temp\cdc4e9a97cfdb29e14ebee1564049b662945f3cde9d8ccb2e479d21c165ffdf1.exe
        "C:\Users\Admin\AppData\Local\Temp\cdc4e9a97cfdb29e14ebee1564049b662945f3cde9d8ccb2e479d21c165ffdf1.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1328
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3476
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:4216
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$aDB8B.bat
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:3808
            • C:\Users\Admin\AppData\Local\Temp\cdc4e9a97cfdb29e14ebee1564049b662945f3cde9d8ccb2e479d21c165ffdf1.exe
              "C:\Users\Admin\AppData\Local\Temp\cdc4e9a97cfdb29e14ebee1564049b662945f3cde9d8ccb2e479d21c165ffdf1.exe"
              4⤵
              • Executes dropped EXE
              PID:4144
          • C:\Windows\Logo1_.exe
            C:\Windows\Logo1_.exe
            3⤵
            • Drops startup file
            • 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:4276
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:2392
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:2348
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:4928
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:3588

          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

            258KB

            MD5

            d3adc69a0af918de8ca779119dc3824e

            SHA1

            1acd37dbe349ee094f20adedeead47187d449876

            SHA256

            331366057a460595eea4cd12de73bd9e2fcc6127487fc6a070b1d1c056700f9f

            SHA512

            346c88bf50e019ff7ebe812584dedba2b1dd13ac02e58f75c0e6c3834daf9c87000bf4f1bba0d2075edfaa24413cc11decf9dcddb05dcc7d9c72294186f1e733

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

            Filesize

            577KB

            MD5

            64fcb1314553bbd5d37cbd53859f6a9b

            SHA1

            b4a2cbec34e9c82e14a755e8d81d2716e3336211

            SHA256

            94a1ae0381b67a16312dbe48bc84f2445c4234c230c7444accd74157e4b6f41c

            SHA512

            665d48ec7b8a9ca393885b23f4d73b1b1a1d6b5bb3fec7b2e19250cd39bc34d35bdb878fb39bb46373e763c859bf8bba0d23d4d53a188d292ff1c94cf92da21a

          • C:\ProgramData\Package Cache\{61087a79-ac85-455c-934d-1fa22cc64f36}\vcredist_x86.exe

            Filesize

            488KB

            MD5

            f3a219efeb83fbd4829722cfc47975ac

            SHA1

            6ac52fe7af8ee95ed136f432c1563d8bc44c5cf8

            SHA256

            9d831a1989490b2cba9754cb5e5e5fe83604e546e51eb7d1d2c13cb176f1db82

            SHA512

            c597ae5abbfc5616ff2e89432e9f4c90d0491f5433af522834844cf9bbc832d2d4aff1e1abf22bd232ec7ef285c539a68837f56e7c33efd82b0a8ad9282b3ef7

          • C:\Users\Admin\AppData\Local\Temp\$$aDB8B.bat

            Filesize

            722B

            MD5

            f1988986def5cd6ff835b03a6f34d21c

            SHA1

            6bba44ba5a3f2393e4451e3398d264592f9ac64e

            SHA256

            6ed95c38beb1d934a87fc7c30a9629f9746ca434a382e30e44af41566efef8e9

            SHA512

            4d67611b6a9143e3455c5eff6ef9cc447837064da7344ca246a83d089a820669852d1463e0cbe8fb48535e490903c76d1464cbe8d4be6496041f5dbf31df36ae

          • C:\Users\Admin\AppData\Local\Temp\cdc4e9a97cfdb29e14ebee1564049b662945f3cde9d8ccb2e479d21c165ffdf1.exe.exe

            Filesize

            33KB

            MD5

            69b16c7b7746ba5c642fc05b3561fc73

            SHA1

            83d80d668dca76b899e1bf662ddee0e0c18ac791

            SHA256

            0deceb6b1b7a2dd1f13133ac7328ff420dad4610cee1fa7466e8e0f6baa39116

            SHA512

            6b8eebcfe5b04141640047fe468371ad02bb115ee9ef00260c0b33cfd56b142c2e01b3b1c6f07281aa57b1f3b9fdb1f1082fe5620f88a57b92d8f547267ef154

          • C:\Windows\Logo1_.exe

            Filesize

            33KB

            MD5

            e8ee4723f696b9e3ecde75768c7018be

            SHA1

            68bcc682ab485eeead9552174bd6d69bf82f96e7

            SHA256

            905167896d2eecbb77f54d30f6f4e76fc75a804a7d6748f813724afebe930e44

            SHA512

            6329f42ff79d9fe1a32cf8a7d6bd3e1acdca94e1e0041afc8e9da3a78931f35343def9c9f333091d3cc6db7dd6bbe2e3626a8a74a37535bb048af4b6b56a5e7e

          • F:\$RECYCLE.BIN\S-1-5-21-3073191680-435865314-2862784915-1000\_desktop.ini

            Filesize

            8B

            MD5

            209b72362215bdaaf45b2d2388ee962c

            SHA1

            872a46c03b4ff1322f5dd750c7ac0a07e5113ca0

            SHA256

            56dc9a9a2aef97a2582545195a5ae52880339dff396cf5a749551379418aed62

            SHA512

            45e9bfd535948c288f7342c28cc31fa63331dddc3b2f38afeb6cc1547f1301c46c97f9925905ee4d0ca46bb2d5f40181b913cfeaf9763ae6a38debdd24db7cc9

          • memory/1328-0-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/1328-8-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/4276-247-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/4276-1545-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/4276-4407-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/4276-17-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/4276-4756-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/4276-10-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/4276-5689-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/4276-8295-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB