Analysis

  • max time kernel
    149s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    14/05/2024, 23:18

General

  • Target

    c97fb7fd862c354f75e3325944dce62ef3347d2ec4132027c6a37024cae5a1ac.exe

  • Size

    964KB

  • MD5

    57c811bc25635bb806ebed9140831177

  • SHA1

    667fa82aecf5b7e4300926c1ab2a66dbdae26e29

  • SHA256

    c97fb7fd862c354f75e3325944dce62ef3347d2ec4132027c6a37024cae5a1ac

  • SHA512

    260fb5bd67352f5804738bf70ebaa1f1dfa3a8ee4e1582a45f01e1c1e464ea5bb043b66c17d39e9fd8159e816d35df96c023ca2f60d84194568827424b6cdb19

  • SSDEEP

    12288:t83NURKcv8Nh7py6Rmi78gkPH3aPI9vyVg/0paQuj3IdD02fKBjtp/:t83N5BpDRmi78gkPXlyo0G/jr

Score
8/10

Malware Config

Signatures

  • Drops file in Drivers directory 2 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 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 43 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1224
      • C:\Users\Admin\AppData\Local\Temp\c97fb7fd862c354f75e3325944dce62ef3347d2ec4132027c6a37024cae5a1ac.exe
        "C:\Users\Admin\AppData\Local\Temp\c97fb7fd862c354f75e3325944dce62ef3347d2ec4132027c6a37024cae5a1ac.exe"
        2⤵
        • Drops file in Drivers directory
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1460
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2836
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:1780
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c C:\Users\Admin\AppData\Local\Temp\$$a2DC4.bat
            3⤵
            • Deletes itself
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:2976
            • C:\Users\Admin\AppData\Local\Temp\c97fb7fd862c354f75e3325944dce62ef3347d2ec4132027c6a37024cae5a1ac.exe
              "C:\Users\Admin\AppData\Local\Temp\c97fb7fd862c354f75e3325944dce62ef3347d2ec4132027c6a37024cae5a1ac.exe"
              4⤵
              • Executes dropped EXE
              • Suspicious behavior: GetForegroundWindowSpam
              • Suspicious use of AdjustPrivilegeToken
              PID:2576
          • C:\Windows\Logo1_.exe
            C:\Windows\Logo1_.exe
            3⤵
            • Drops file in Drivers directory
            • 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:2528
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:2556
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:2716
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:2440
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:2588

          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

                  3abe1cbfd0debb68fe3c2d4f99c608ec

                  SHA1

                  029614f3948dfe6b6ffaffe8bce1cafbf9417f9d

                  SHA256

                  3852af8ebfaea778190bb692f270499f767cc0a114bd69eb69dd348b9ed1b0eb

                  SHA512

                  1be2efd9731051729e71758f01436f7b7475f62efdd1a48b776f461dab176b64df3c66c393737b0c0496707542d08e762682a5b92d78f1f4649e84258a668a57

                • C:\ProgramData\Package Cache\{ca67548a-5ebe-413a-b50c-4b9ceb6d66c6}\vcredist_x64.exe

                  Filesize

                  478KB

                  MD5

                  e93193856beaecee9905e2a6f36be17f

                  SHA1

                  d4c267ea34f28f048e29461656984aad70912eda

                  SHA256

                  1d345f4e09acdbc12e63ce90d0bd373b56d50a378f4603d8425f6df815e44a7b

                  SHA512

                  1fbe9c0e86ad98d6a2a7924badec0fffc69a7d0a4839e8af45d0aedf1e4e24a4a798df0ec5b8d0aa6e0e566c0c83a4030549bd32b9ac27406fc772d4a2ff5fc3

                • C:\Users\Admin\AppData\Local\Temp\$$a2DC4.bat

                  Filesize

                  722B

                  MD5

                  81143a70c57806acdc3643d1a05994c4

                  SHA1

                  2fa55599e9370a84b6a2caeb394a02ed48f1ac28

                  SHA256

                  15ab2c396d596ccb72a899387d4cab0ce583ce6b85b5f5d387a5ee7687197476

                  SHA512

                  d00c90a64e7b67ba01a62fd2303abec6b8ca6e87aeec1e2312adbdb1a2e796560cda21ff2557abe6972db2a9ba35779d95f622625c15f14623741b12da6028d0

                • C:\Users\Admin\AppData\Local\Temp\c97fb7fd862c354f75e3325944dce62ef3347d2ec4132027c6a37024cae5a1ac.exe.exe

                  Filesize

                  930KB

                  MD5

                  30ac0b832d75598fb3ec37b6f2a8c86a

                  SHA1

                  6f47dbfd6ff36df7ba581a4cef024da527dc3046

                  SHA256

                  1ea0839c8dc95ad2c060af7d042c40c0daed58ce8e4524c0fba12fd73e4afb74

                  SHA512

                  505870601a4389b7ed2c8fecf85835adfd2944cbc10801f74bc4e08f5a0d6ecc9a52052fc37e216304cd1655129021862294a698ed36b3b43d428698f7263057

                • C:\Windows\Logo1_.exe

                  Filesize

                  33KB

                  MD5

                  e566cc2bee05cd120e02caaa3c08df55

                  SHA1

                  dbb9f693919d0ca109f532ab4ddfcb5769635b18

                  SHA256

                  5dda0cc34970e4a60d14a0775b925153d046b4aa80068f6f2918eef1bc3d2c78

                  SHA512

                  f88c382cfcd0bd6770824b9f6c50b87c6940925daf197ba37ead13544bc91ac322afdc3407f04de40c89ea6b89c308247aca61ca97f9f0fb2122589e71d97662

                • C:\Windows\system32\drivers\etc\hosts

                  Filesize

                  832B

                  MD5

                  7e3a0edd0c6cd8316f4b6c159d5167a1

                  SHA1

                  753428b4736ffb2c9e3eb50f89255b212768c55a

                  SHA256

                  1965854dfa54c72529c88c7d9f41fa31b4140cad04cf03d3f0f2e7601fcbdc6c

                  SHA512

                  9c68f7f72dfa109fcfba6472a1cced85bc6c2a5481232c6d1d039c88b2f65fb86070aeb26ac23e420c6255daca02ea6e698892f7670298d2c4f741b9e9415c7f

                • F:\$RECYCLE.BIN\S-1-5-21-1298544033-3225604241-2703760938-1000\_desktop.ini

                  Filesize

                  9B

                  MD5

                  c81abeabebaad71d2f69083dfc2d62db

                  SHA1

                  3c463ce873e6d9d312c4dfd1d5dfcee67c98a896

                  SHA256

                  1565a39f9299d6d0b88ba4e55e8dae51c17743d99f6963efabf7adf99d535f9d

                  SHA512

                  efc8d659e1fdb79822b3b99feaa1da942dc6cb6d350a5813b9fc0addb7089072e678b598ed2d9fca59032859213e39bb867be9652959013e767bef60ed80eb9c

                • memory/1224-30-0x00000000029C0000-0x00000000029C1000-memory.dmp

                  Filesize

                  4KB

                • memory/1460-0-0x0000000000400000-0x000000000043E000-memory.dmp

                  Filesize

                  248KB

                • memory/1460-19-0x0000000000400000-0x000000000043E000-memory.dmp

                  Filesize

                  248KB

                • memory/1460-13-0x0000000000230000-0x000000000026E000-memory.dmp

                  Filesize

                  248KB

                • memory/2528-33-0x0000000000400000-0x000000000043E000-memory.dmp

                  Filesize

                  248KB

                • memory/2528-2938-0x0000000000400000-0x000000000043E000-memory.dmp

                  Filesize

                  248KB

                • memory/2528-4103-0x0000000000400000-0x000000000043E000-memory.dmp

                  Filesize

                  248KB