Analysis

  • max time kernel
    149s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    03/06/2024, 15:40

General

  • Target

    9f62d23a319ab557fecf971809b9792069883c6a98bff9d0c007a0c9e1b28f55.exe

  • Size

    491KB

  • MD5

    cb599a4bede85c3b47c6bdf14ff4987a

  • SHA1

    d11ee7d1eba1b96efdb695989f891475db0d2f20

  • SHA256

    9f62d23a319ab557fecf971809b9792069883c6a98bff9d0c007a0c9e1b28f55

  • SHA512

    fc935711757230840596a6b7faaccd55734f2951ad5b0707bb88399ca418f624dfd912cd26325d722ecd6c2e90d1e29e1c2c20a019e9cee171414a136b6f144b

  • SSDEEP

    6144:k1NM5pOz1gL5pRTMTTjMkId/BynSx7dEe6XwzRaktNP08NhKs39zo43fTtl1fay7:k1upI1gL5pRTcAkS/3hzN8qE43fm78V

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 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 43 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1200
      • C:\Users\Admin\AppData\Local\Temp\9f62d23a319ab557fecf971809b9792069883c6a98bff9d0c007a0c9e1b28f55.exe
        "C:\Users\Admin\AppData\Local\Temp\9f62d23a319ab557fecf971809b9792069883c6a98bff9d0c007a0c9e1b28f55.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:3000
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1668
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:2528
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c C:\Users\Admin\AppData\Local\Temp\$$a84F8.bat
            3⤵
            • Deletes itself
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:2864
            • C:\Users\Admin\AppData\Local\Temp\9f62d23a319ab557fecf971809b9792069883c6a98bff9d0c007a0c9e1b28f55.exe
              "C:\Users\Admin\AppData\Local\Temp\9f62d23a319ab557fecf971809b9792069883c6a98bff9d0c007a0c9e1b28f55.exe"
              4⤵
              • Executes dropped EXE
              PID:2972
          • C:\Windows\Logo1_.exe
            C:\Windows\Logo1_.exe
            3⤵
            • 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:2552
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:2456
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:2584
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:2476
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:2436

          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

                  c1311e35ea05def263f404a5d7b73260

                  SHA1

                  952954211d07edfb16b371cf104aa332731011b7

                  SHA256

                  c502724428c14d7c1079512448dd16a7495a543483d0b818d4d6b67add762748

                  SHA512

                  5606f9ef7170a427dbd217e79bf36dff7c9f13b3799c73221940ba8412cb6e436e30ee88bc8aefbdb6428dec24e03d503a68d67d8f03bb8bcb027563e87070ed

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

                  Filesize

                  478KB

                  MD5

                  c8b074fbff9452f981c52acd82c24918

                  SHA1

                  03ffff9c1f1e8da670c6c65b2d858a9ed7eae4fa

                  SHA256

                  986587b92dc97769781c303bcf1c6e13dacd413cac927afb4462389b3204d888

                  SHA512

                  fc282e5789ea88095cfd50a0aa1c38d63515f70b28c52c2d68da57119f4b8f5f5ba4216a3547fe5202939d0ca3c8ad6c1cd938831c5b0bb3fc6e96b6d834bf8c

                • C:\Users\Admin\AppData\Local\Temp\$$a84F8.bat

                  Filesize

                  722B

                  MD5

                  263d8fe1f3061bc3412450ae1d6c330e

                  SHA1

                  df46dbfe0d7a925190f08343bc0fc34230d0ec07

                  SHA256

                  9765de223cce9361b5188ecc480dd46bad8003fb4fbff0e53a2f53a11851f785

                  SHA512

                  f0078cec4262db529471230449b135796d4cb02de30b6ac26a971191280a1c6293437b629247f9ce6d4e2ef92211a9bbd32ad3afa17b46d17957e2d75341744f

                • C:\Windows\rundl132.exe

                  Filesize

                  33KB

                  MD5

                  a0c02032a40d35cd333d9e5c309519d2

                  SHA1

                  010b30527b26c9264fab15a3941e2f692b014bbf

                  SHA256

                  0f552e28158600bb566846945865b84540a6e4ddd0a4da4cf9effd58c85c3724

                  SHA512

                  dd414f5e166e2b53738d868af9bf580bae8efb2aa1dfa0702fc22172e3402bbc5dd6b92c25d33c9a456b56c54215cb784fba38bf65c2f43acce7044abc6167a7

                • F:\$RECYCLE.BIN\S-1-5-21-330940541-141609230-1670313778-1000\_desktop.ini

                  Filesize

                  8B

                  MD5

                  a6f28952c332969f9e6d9f7d1a449737

                  SHA1

                  31c0826adb63cc03162fb9e88781f4b50da8f11b

                  SHA256

                  d9d875805581110dafdfb2ceb34c5e60f50fe720963f9813c287e4845248d208

                  SHA512

                  8187572ee8fbb9a42af34a3444be3a4309c5a798e7b1f27fce5b28b7168b72d015b1c10e611ccd3a9361af2aaeab831d2734017f77adff341c3fdb876c296eac

                • \Users\Admin\AppData\Local\Temp\9f62d23a319ab557fecf971809b9792069883c6a98bff9d0c007a0c9e1b28f55.exe

                  Filesize

                  458KB

                  MD5

                  619f7135621b50fd1900ff24aade1524

                  SHA1

                  6c7ea8bbd435163ae3945cbef30ef6b9872a4591

                  SHA256

                  344f076bb1211cb02eca9e5ed2c0ce59bcf74ccbc749ec611538fa14ecb9aad2

                  SHA512

                  2c7293c084d09bc2e3ae2d066dd7b331c810d9e2eeca8b236a8e87fdeb18e877b948747d3491fcaff245816507685250bd35f984c67a43b29b0ae31ecb2bd628

                • memory/1200-29-0x0000000002A80000-0x0000000002A81000-memory.dmp

                  Filesize

                  4KB

                • memory/2552-33-0x0000000000400000-0x000000000043D000-memory.dmp

                  Filesize

                  244KB

                • memory/2552-1832-0x0000000000400000-0x000000000043D000-memory.dmp

                  Filesize

                  244KB

                • memory/2552-20-0x0000000000400000-0x000000000043D000-memory.dmp

                  Filesize

                  244KB

                • memory/2552-4041-0x0000000000400000-0x000000000043D000-memory.dmp

                  Filesize

                  244KB

                • memory/3000-0-0x0000000000400000-0x000000000043D000-memory.dmp

                  Filesize

                  244KB

                • memory/3000-16-0x00000000002E0000-0x000000000031D000-memory.dmp

                  Filesize

                  244KB

                • memory/3000-17-0x0000000000400000-0x000000000043D000-memory.dmp

                  Filesize

                  244KB

                • memory/3000-18-0x00000000002E0000-0x000000000031D000-memory.dmp

                  Filesize

                  244KB