Analysis

  • max time kernel
    149s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    29/05/2024, 14:13

General

  • Target

    1270e1552e4f4aadb1cd88341ff2c78cfabbe26b235939d533bac1d49f40db3d.exe

  • Size

    285KB

  • MD5

    66446804f070ed82c3819c50e4b9599f

  • SHA1

    b0d8a8d131fdcae99bd93e57871ab0c20451a34a

  • SHA256

    1270e1552e4f4aadb1cd88341ff2c78cfabbe26b235939d533bac1d49f40db3d

  • SHA512

    f4b16c64c2118fb74d1b78af91b1ce8e40e3f7d524cd593ab66a3ee7f57dad75923af0a4d43689e044f55226acf1bbfe360e997f46b3ae261adfe2ebfb787ce0

  • SSDEEP

    6144:81NM5pfMTi0+lfh+L5qe9T5q4GAFzWTBPMmC1UC6fOaU:81upfMTi0uhMqe9ts2zWTpMmCG7W

Score
7/10

Malware Config

Signatures

  • 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
  • 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:1268
      • C:\Users\Admin\AppData\Local\Temp\1270e1552e4f4aadb1cd88341ff2c78cfabbe26b235939d533bac1d49f40db3d.exe
        "C:\Users\Admin\AppData\Local\Temp\1270e1552e4f4aadb1cd88341ff2c78cfabbe26b235939d533bac1d49f40db3d.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1244
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1440
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:872
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c C:\Users\Admin\AppData\Local\Temp\$$a9647.bat
            3⤵
            • Deletes itself
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:2864
            • C:\Users\Admin\AppData\Local\Temp\1270e1552e4f4aadb1cd88341ff2c78cfabbe26b235939d533bac1d49f40db3d.exe
              "C:\Users\Admin\AppData\Local\Temp\1270e1552e4f4aadb1cd88341ff2c78cfabbe26b235939d533bac1d49f40db3d.exe"
              4⤵
              • Executes dropped EXE
              PID:2936
          • 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:2984
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:3044
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:2704
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:2452
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:2724

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

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

            Filesize

            258KB

            MD5

            c9badcb684862f516b396d44b56baceb

            SHA1

            0d8eabcdc92e05177e46da3ea05ae2f41b01416c

            SHA256

            14c73a5bd721c24ebd8109d5d9a1e7dc8802c1bef0401cdd123ab41ae381c609

            SHA512

            543671893e74c261f12be887a10669dae034fcacad4998ae5282fe102aa4bcdcfa0776a9667f32f60fae93acdc5c2ad23f11ad330354295e9e44a67bc1dddb68

          • 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\$$a9647.bat

            Filesize

            722B

            MD5

            d21c5e7fdd825f56bb8986509027d2ae

            SHA1

            23a5498421ef66de1edbf91b4f440b9f3cd2cf92

            SHA256

            22a6b21db9fdbd0d6d2ecd81c7fd96b4244c2acdf2edf70732b67f7077d1054b

            SHA512

            33b0b2d1e58eb6daab0e8cb7f23238f3ca4143fe4f99ac60633bd839037822d424f223a3e691b8e95d8e3230d2a9052b6d639ed4aa69e9d7b7d76a33a998ac96

          • C:\Users\Admin\AppData\Local\Temp\1270e1552e4f4aadb1cd88341ff2c78cfabbe26b235939d533bac1d49f40db3d.exe.exe

            Filesize

            252KB

            MD5

            9e2b9928c89a9d0da1d3e8f4bd96afa7

            SHA1

            ec66cda99f44b62470c6930e5afda061579cde35

            SHA256

            8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

            SHA512

            2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

          • C:\Windows\Logo1_.exe

            Filesize

            33KB

            MD5

            7a091274be36971fce58dba0c887a23e

            SHA1

            1dcc358a109927e63e11775b0f38cca741f8d230

            SHA256

            308ea0a61b9625ffc055c1709dfa413e77ef4d9e01926435215044f6e9ab8757

            SHA512

            9497df8f2d42a38e831fc72c1c0f57f9a120afce4cf93b5b0c7f4462ee3f3fed722ad02733b6919879733fb06136e925a8ab6e62aaad63bce02b1a6fd6858607

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

            Filesize

            9B

            MD5

            4b2b75605a65a6762ec4715de0a70902

            SHA1

            3b85993ef06d2d814abc405188fdd19a1bffea0c

            SHA256

            77072cc5a7b394508cf5d819ff8cf4385a9b3cb15d8715a59845ccfa235ea34e

            SHA512

            888361e75afd4308bdad817af543704a42ffdf2d798acef619459e9978ac68f1cf4d468c6e0b146ab738b0109fdf331c4380471aa83f637b0f6ab06164840c65

          • memory/1244-12-0x0000000000230000-0x000000000026D000-memory.dmp

            Filesize

            244KB

          • memory/1244-19-0x0000000000230000-0x000000000026D000-memory.dmp

            Filesize

            244KB

          • memory/1244-18-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/1244-0-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/1268-34-0x0000000002200000-0x0000000002201000-memory.dmp

            Filesize

            4KB

          • memory/2984-1811-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/2984-37-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/2984-20-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/2984-3937-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/2984-4050-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB