Analysis

  • max time kernel
    149s
  • max time network
    102s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/05/2024, 15:22

General

  • Target

    3ba2ca655052f9ad1720d4c76e008a398ddd60943e9732dbc4b00e768f5a267a.exe

  • Size

    395KB

  • MD5

    3c0ee685b37630860d3802ef778d80b4

  • SHA1

    44d54190c22f4ea76acf7e8c9692b5eab635533c

  • SHA256

    3ba2ca655052f9ad1720d4c76e008a398ddd60943e9732dbc4b00e768f5a267a

  • SHA512

    4e446710929a0a7b63922fb078a531c54ec9a74d5d243c489c3ea09a74c59578bca689707dd87a2c9750fe14818eb7ab84531cce37874fc6ea0950f001560a8f

  • SSDEEP

    6144:U1qe1ISp3vSaf13uMlNUmw/8VbI168xBDb2O7fcCnDtIetOfs5:U1quIQJf1BNUZ51ZpIfs5

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:3436
      • C:\Users\Admin\AppData\Local\Temp\3ba2ca655052f9ad1720d4c76e008a398ddd60943e9732dbc4b00e768f5a267a.exe
        "C:\Users\Admin\AppData\Local\Temp\3ba2ca655052f9ad1720d4c76e008a398ddd60943e9732dbc4b00e768f5a267a.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1552
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2360
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:940
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a444C.bat
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:1444
            • C:\Users\Admin\AppData\Local\Temp\3ba2ca655052f9ad1720d4c76e008a398ddd60943e9732dbc4b00e768f5a267a.exe
              "C:\Users\Admin\AppData\Local\Temp\3ba2ca655052f9ad1720d4c76e008a398ddd60943e9732dbc4b00e768f5a267a.exe"
              4⤵
              • Executes dropped EXE
              PID:1352
          • 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:904
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:1936
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:5052
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:4256
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:4072

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

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

                  Filesize

                  258KB

                  MD5

                  f44aac5207fae774b320093a814fe8ce

                  SHA1

                  836a7d71f3853f69ea12919a7d5289fac24cb241

                  SHA256

                  666ca0e926bc557503309ada0633c33844d0feb048c815c503f381a0bf6ebddc

                  SHA512

                  ae387ac2a8dc838c30cb1869eca33c63d4a0a03d0e6d20ffe65650846abf55fe18d22599cd94747595ceaa27b802d3505230c4a0469cabd3037ee761215aa500

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

                  Filesize

                  577KB

                  MD5

                  0e6d500107143697bcfba9450bc17c82

                  SHA1

                  f54f6251aa1f02777459466a0311ac093b2af7ef

                  SHA256

                  07481182a1f0952663948dc601a4532f1ed257cb853bc032c0557173040e995c

                  SHA512

                  6abb4b37772a348cec7cef9ee5d44b8bc0ebbce167029a2da2d6547df202315c3c334580d4ca26f36bc820d8d967dd8b987f791869090cfe60ac19a6bd38fbc2

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

                  Filesize

                  643KB

                  MD5

                  9363a720e098b38389b25a7b18cfbcdd

                  SHA1

                  7b5e835b22262b47e6042e7aadecc67dac05f7db

                  SHA256

                  10579b661dade8697f252204f241952eb2029ea6978165f9336fd60a72b3205e

                  SHA512

                  564b873358ebe4d4d194b924e9934cb5c1666df901db2556e8cbab8276f8c4380a5bee157cc8eb2063fe0f48a1d0dc1cf339d3d3040d764c974e1c46b0870f88

                • C:\Users\Admin\AppData\Local\Temp\$$a444C.bat

                  Filesize

                  722B

                  MD5

                  10d0222615bfcc8d6605e7b4f218de91

                  SHA1

                  929135e3a4b7ab2ea0facef195ce818236bd5ec5

                  SHA256

                  b01f6489b91eabf6a2bdedd33d6d30ddce0865d90298dc775b5bf873d0a87fad

                  SHA512

                  843591b78d45b7a916ab64c0d34c9b6a096586ea5224c2079e86de9bc5d7ebf944cf5457a71f40fa9f1f06a1e6d352d262b9d79046c4f25fe7ca61a09f30fdf4

                • C:\Users\Admin\AppData\Local\Temp\3ba2ca655052f9ad1720d4c76e008a398ddd60943e9732dbc4b00e768f5a267a.exe.exe

                  Filesize

                  362KB

                  MD5

                  74ef4f47266f9a5150cfe27689ab7403

                  SHA1

                  acff944d2500fb644dcffec2096f6ff5335d034e

                  SHA256

                  efaab49499d7332bf82854f7c9edd179155bbc00fba7fd377ecebc3711ce0839

                  SHA512

                  1b9b47351af2fd19e9154c91c86e3e83c476f0760fe53a3b5b05b03823ebfb09316b5706e879bad4f725d0d9caa670bc21bb21661d80f569f2ac1f05e446b1cc

                • C:\Windows\Logo1_.exe

                  Filesize

                  33KB

                  MD5

                  f5a21d2ae39e85a9b986aa3060965b87

                  SHA1

                  b22d04580bfbcbc846d18f96ba92018cb1a8138a

                  SHA256

                  3e02caf1f845080b75cf865164adfa1c4855d5b6cab6af1664a97c37f3bab646

                  SHA512

                  e0bfbe521ca648fe2dabe227235e758d5663c8573440df8b9217f033cb005aaa7b802f7ad9d85bbedaef0ce73503f7a82923623d25483d4d665b0495fcfd5c6f

                • F:\$RECYCLE.BIN\S-1-5-21-1337824034-2731376981-3755436523-1000\_desktop.ini

                  Filesize

                  9B

                  MD5

                  fa1e1ef0fdda97877a13339b28fa95e5

                  SHA1

                  7e2cffca41118e7b2d62963bd940630b15b85653

                  SHA256

                  968b715c081472526487d60da8968e9b3bde2dac103f69beb3f6abe6ef7bc191

                  SHA512

                  3d55913a97aa89a7201342705640c1d031d19ad8aca4939219067f84e3fe118f47b4e388f490f69f605683d3854425c3de188f731886405474ae8e3d42c86f4f

                • memory/904-11-0x0000000000400000-0x000000000043D000-memory.dmp

                  Filesize

                  244KB

                • memory/904-18-0x0000000000400000-0x000000000043D000-memory.dmp

                  Filesize

                  244KB

                • memory/904-5176-0x0000000000400000-0x000000000043D000-memory.dmp

                  Filesize

                  244KB

                • memory/904-8640-0x0000000000400000-0x000000000043D000-memory.dmp

                  Filesize

                  244KB

                • memory/1552-0-0x0000000000400000-0x000000000043D000-memory.dmp

                  Filesize

                  244KB

                • memory/1552-10-0x0000000000400000-0x000000000043D000-memory.dmp

                  Filesize

                  244KB