Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/05/2024, 10:18

General

  • Target

    4c2bb08f6c6103899a6f52300979db63786fe651480b6b300cd880d51b6bf03d.exe

  • Size

    666KB

  • MD5

    346c7269810874637372a42d9b7db9c7

  • SHA1

    9d45f062a2f868c0ebf9564cd60819d96513361c

  • SHA256

    4c2bb08f6c6103899a6f52300979db63786fe651480b6b300cd880d51b6bf03d

  • SHA512

    1c612bc28b4b8f5673ebcf2174d00527f2b690beca23009059b337dbeef445e3e0b3405d289456b14926e8db8c64ec9bc6bf4f984d4a603eaee9b386bb1db7dd

  • SSDEEP

    6144:O+aX38C9LRU0ySj14WH+JPb7uL8zRMnJjNhAp7SO8zRMnJjNhAp7S8FRcdEKFVAh:O+adPFlTz

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 28 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3352
      • C:\Users\Admin\AppData\Local\Temp\4c2bb08f6c6103899a6f52300979db63786fe651480b6b300cd880d51b6bf03d.exe
        "C:\Users\Admin\AppData\Local\Temp\4c2bb08f6c6103899a6f52300979db63786fe651480b6b300cd880d51b6bf03d.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:884
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4664
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:1164
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a4D93.bat
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:2412
            • C:\Users\Admin\AppData\Local\Temp\4c2bb08f6c6103899a6f52300979db63786fe651480b6b300cd880d51b6bf03d.exe
              "C:\Users\Admin\AppData\Local\Temp\4c2bb08f6c6103899a6f52300979db63786fe651480b6b300cd880d51b6bf03d.exe"
              4⤵
              • Executes dropped EXE
              PID:3244
          • 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:4968
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:1344
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:4276
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:1488
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:3264

          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

                  9ac10f2289f81d00cb5315e30a25967d

                  SHA1

                  43f3ec8b12b8ef26c5e0151a50e708edd8a3e979

                  SHA256

                  a978211529b28a3b66408c32636b82ef4405121d57e90a911c60f3810be3c0cc

                  SHA512

                  211d2c4d98509e4b0df64c0b31331431486886ae40c106ca1af496a2573fcfce3737d3574f6f41e39b02cf35b67859c14e46d58b30cf59062f8b68ec76dc1a77

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

                  Filesize

                  577KB

                  MD5

                  9b73ea744610add358a523c48b536d6d

                  SHA1

                  38d35606d7b18b9f9ec4e4bfac20b523ecc1ed88

                  SHA256

                  02cff7e352a7c94505a1d1c73425ec9968637b9010c8c017dc70f7d6a78a3a45

                  SHA512

                  aa6b8405c175a2cf9be163d8f282894498f2e8ddffde0caa59c0ad2b357582fd21454f1b742d2169e1d326576e08ed8869de861f549cc0fd8c1e4c42fbe6b3eb

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

                  Filesize

                  643KB

                  MD5

                  d9b7a6b2266ce71f741a1d62ee34a3e3

                  SHA1

                  99a825f3f86d5921f45d4aadbb3c1031d53fc6f5

                  SHA256

                  c6319cafefc4565c3dd8521b77ec90dc57b1108fb10a60b3874f3c57b37f239d

                  SHA512

                  2599a502d76f781c0037b1f6837348b820139005cb9fb48b2a1cc3a2dd3e3575f4a50e404ac16f4e3530982fdfc026a7ba54329ec47fcf99b827a82db4c650bf

                • C:\Users\Admin\AppData\Local\Temp\$$a4D93.bat

                  Filesize

                  722B

                  MD5

                  1ef754d3d64eef51e6ed397e8c43d76b

                  SHA1

                  337080e4c02d4fc3f50303ad3f1ec227001f5db5

                  SHA256

                  8f39ab87b11ab388ac7d5db3ff104179b36c630c66128bacf8026ada25767969

                  SHA512

                  5b236ecd556678f451e294da427bf930bf595225ca109aa6b17a9e2ed6eb840cee41559ded9c70d6b5f26af43ee972a535a3a5fd370136e7df6ab3c45ffca677

                • C:\Users\Admin\AppData\Local\Temp\4c2bb08f6c6103899a6f52300979db63786fe651480b6b300cd880d51b6bf03d.exe.exe

                  Filesize

                  633KB

                  MD5

                  2e0d056ad62b6ef87a091003714fd512

                  SHA1

                  73150bddb5671c36413d9fbc94a668f132a2edc5

                  SHA256

                  cb83f04591cc1d602e650dd5c12f4470cf21b04328477bd6a52081f37c04bd7c

                  SHA512

                  b8e920f8b7547aec6f5771e3e6119b01157e5e36a92c67142b0d73ffe0d501d933581e1fc752e5bba9ce819e3897be9c146bebfc0018e91318b0c99d188a2580

                • C:\Windows\Logo1_.exe

                  Filesize

                  33KB

                  MD5

                  beaa56a0e4764dd95329202a0a92e326

                  SHA1

                  1e18f4051244e4aa8eabbddc7001ffcdc2adc055

                  SHA256

                  02424a4ca6ac65d66c89b79493d30a0c54c46da6ec225ef5ae1c724913451a08

                  SHA512

                  fc65d6da1e1f112abbb37c5227823980d644b6436cec5d44a75de9e97ba9e709010fc6edb064c592ce931412612010c7254bc5eb6c4aec004510786525276e25

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

                  Filesize

                  9B

                  MD5

                  31874817e0fb055be8d2c971c0e3bbde

                  SHA1

                  ee8a35d6a86cb6d13f354d67d912e194bb09c74b

                  SHA256

                  94de8b492bc2db9a9592f7c9433547eb7f80826ed67f48d2bb7e22db9d49f544

                  SHA512

                  55747c69ae50fa212576d095f60cf33b42e26789cf8c34fc5120a45b1988aae95f91d9e37cb17298c5ac5243b2e4c40e1d0e084ce7fe14bceb4ebb318c65c944

                • memory/884-0-0x0000000000400000-0x000000000043F000-memory.dmp

                  Filesize

                  252KB

                • memory/884-11-0x0000000000400000-0x000000000043F000-memory.dmp

                  Filesize

                  252KB

                • memory/4968-18-0x0000000000400000-0x000000000043F000-memory.dmp

                  Filesize

                  252KB

                • memory/4968-5208-0x0000000000400000-0x000000000043F000-memory.dmp

                  Filesize

                  252KB

                • memory/4968-9-0x0000000000400000-0x000000000043F000-memory.dmp

                  Filesize

                  252KB

                • memory/4968-8688-0x0000000000400000-0x000000000043F000-memory.dmp

                  Filesize

                  252KB