Analysis

  • max time kernel
    151s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/06/2024, 05:31

General

  • Target

    4dd41e40abb0a60974d851efdbbd8c0e9f3a189da27f0ba0da85728511c6d1a2.exe

  • Size

    963KB

  • MD5

    8908d6c8557aaffd0570a23338de4634

  • SHA1

    e0804947d3156e9ce9814bfd6ecb58111808284c

  • SHA256

    4dd41e40abb0a60974d851efdbbd8c0e9f3a189da27f0ba0da85728511c6d1a2

  • SHA512

    e9f59343321ebca763a64e640d0f336ebd765f509cc47fa7505ae5bafe3f4f7abbb94b1adc9489db09d2014992b101a134c2d0e9b8d46df092a68ee40bc6a979

  • SSDEEP

    12288:n1quIoRKcv8Nh7py6Rmi78gkPH3aPI9vyVg/0paQuj3IdD02fKBjtp/:n1qfBpDRmi78gkPXlyo0G/jr

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
  • Enumerates physical storage devices 1 TTPs

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

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3360
      • C:\Users\Admin\AppData\Local\Temp\4dd41e40abb0a60974d851efdbbd8c0e9f3a189da27f0ba0da85728511c6d1a2.exe
        "C:\Users\Admin\AppData\Local\Temp\4dd41e40abb0a60974d851efdbbd8c0e9f3a189da27f0ba0da85728511c6d1a2.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1972
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:5028
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:2756
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a13B2.bat
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:4936
            • C:\Users\Admin\AppData\Local\Temp\4dd41e40abb0a60974d851efdbbd8c0e9f3a189da27f0ba0da85728511c6d1a2.exe
              "C:\Users\Admin\AppData\Local\Temp\4dd41e40abb0a60974d851efdbbd8c0e9f3a189da27f0ba0da85728511c6d1a2.exe"
              4⤵
              • Executes dropped EXE
              • Suspicious use of AdjustPrivilegeToken
              PID:4712
          • 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:1572
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:3356
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:3312
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:2076
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:1712
          • 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=4040 --field-trial-handle=2252,i,16022092570067181109,3235558581947505669,262144 --variations-seed-version /prefetch:8
            1⤵
              PID:3444

            Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

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

              Filesize

              577KB

              MD5

              447c2cc1d1c31d3beda8c37c6ea8fb29

              SHA1

              9aee3aeb7b734fcbce6483f0c127897a34229a21

              SHA256

              9f1cf772de334ec803a4d6da70c9ae0a2b5028f75ee2e3cdc52a10b09ad1b854

              SHA512

              31cb45cbeb908247e1de671de35363e032cd40276d564bed3fd305fd8c87c9f4476bdd39563978cb1854e28f180499654d5ab5b98aa6c6762674b0df8ac4f05d

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

              Filesize

              488KB

              MD5

              17f0a9c5ff33c9c8e5894e7812749afe

              SHA1

              b4e39750687a539fd7f3c8eb63330514f9c504d6

              SHA256

              f7a6c5521fd2b8f422e3716092ed384697c775a6f02f47f512bffce687643d0e

              SHA512

              0500cbb556be1a8ccbe91f7ccbeef3d8769d3f6ab1de838e8093ae609a2014aac97b80d8dc8b9037ae3b053fd597b25644f8b7a1168ceae2ad7c01aee7a4a481

            • C:\Users\Admin\AppData\Local\Temp\$$a13B2.bat

              Filesize

              722B

              MD5

              654fc8e39e5ed9b99d56b8eb218c60ed

              SHA1

              2241090b3b803ac746013f36b645028c41d4dbce

              SHA256

              09e2178f8072fba8874420ba30e7244fb9871ceaf622642f41dbfb7ff001486f

              SHA512

              317065e7b49729c6bb12022bcc4acc5463ea7b5ae91c5d3f02ea49520095ab5830bdf1918c0b59add4e6de4a2fc822980775778f5a54435aed0c32680b66a69e

            • C:\Users\Admin\AppData\Local\Temp\4dd41e40abb0a60974d851efdbbd8c0e9f3a189da27f0ba0da85728511c6d1a2.exe.exe

              Filesize

              930KB

              MD5

              30ac0b832d75598fb3ec37b6f2a8c86a

              SHA1

              6f47dbfd6ff36df7ba581a4cef024da527dc3046

              SHA256

              1ea0839c8dc95ad2c060af7d042c40c0daed58ce8e4524c0fba12fd73e4afb74

              SHA512

              505870601a4389b7ed2c8fecf85835adfd2944cbc10801f74bc4e08f5a0d6ecc9a52052fc37e216304cd1655129021862294a698ed36b3b43d428698f7263057

            • C:\Windows\Logo1_.exe

              Filesize

              33KB

              MD5

              005782dec3941236334d871c5153fbf3

              SHA1

              c973a6811e47002ccb7c48911cf58d9b0f15c990

              SHA256

              def563a72f35ff1bd5d55bb4d8db6b098975b14f9f0a1e6c099415dda5887103

              SHA512

              235604f421d5596f55f22ce59116a6975c527b433c26630c8a0aed7089710a9b4a781db2eae71eb93e7917ed4cf154554bbf37fa2ea4c7c0aaaa7737d96f2933

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

              Filesize

              8B

              MD5

              a6f28952c332969f9e6d9f7d1a449737

              SHA1

              31c0826adb63cc03162fb9e88781f4b50da8f11b

              SHA256

              d9d875805581110dafdfb2ceb34c5e60f50fe720963f9813c287e4845248d208

              SHA512

              8187572ee8fbb9a42af34a3444be3a4309c5a798e7b1f27fce5b28b7168b72d015b1c10e611ccd3a9361af2aaeab831d2734017f77adff341c3fdb876c296eac

            • memory/1572-5223-0x0000000000400000-0x000000000043D000-memory.dmp

              Filesize

              244KB

            • memory/1572-17-0x0000000000400000-0x000000000043D000-memory.dmp

              Filesize

              244KB

            • memory/1572-216-0x0000000000400000-0x000000000043D000-memory.dmp

              Filesize

              244KB

            • memory/1572-1345-0x0000000000400000-0x000000000043D000-memory.dmp

              Filesize

              244KB

            • memory/1572-1947-0x0000000000400000-0x000000000043D000-memory.dmp

              Filesize

              244KB

            • memory/1572-9-0x0000000000400000-0x000000000043D000-memory.dmp

              Filesize

              244KB

            • memory/1572-7306-0x0000000000400000-0x000000000043D000-memory.dmp

              Filesize

              244KB

            • memory/1572-8597-0x0000000000400000-0x000000000043D000-memory.dmp

              Filesize

              244KB

            • memory/1572-8773-0x0000000000400000-0x000000000043D000-memory.dmp

              Filesize

              244KB

            • memory/1972-11-0x0000000000400000-0x000000000043D000-memory.dmp

              Filesize

              244KB

            • memory/1972-0-0x0000000000400000-0x000000000043D000-memory.dmp

              Filesize

              244KB