Analysis

  • max time kernel
    150s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    29/05/2024, 14:22

General

  • Target

    86c881b8328c04c0c0c38b1208ec4b4ddefc628470ae4e50b80b191e87ed5e18.exe

  • Size

    74KB

  • MD5

    b34193e981ef61d9e0005a6a19eedf84

  • SHA1

    f8095cbf39092fb306002cd4f58146cc50a81985

  • SHA256

    86c881b8328c04c0c0c38b1208ec4b4ddefc628470ae4e50b80b191e87ed5e18

  • SHA512

    47db1bbfc19948f06c53eb2ce68ae89b309a3fe4d6f5c20b1c11ea2f3b8b6c4b09fe797610a6f814e147172b11ea46ecc65786a5fa9f0632f63663aa9c0bda4e

  • SSDEEP

    1536:6Hcx1aeg1v9OQZVUKM6+kKpNEToa9D4ZQKbgZi1dst7x9PxQ:6Hf9lOzKM5p9lZQKbgZi1St7xQ

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:1212
      • C:\Users\Admin\AppData\Local\Temp\86c881b8328c04c0c0c38b1208ec4b4ddefc628470ae4e50b80b191e87ed5e18.exe
        "C:\Users\Admin\AppData\Local\Temp\86c881b8328c04c0c0c38b1208ec4b4ddefc628470ae4e50b80b191e87ed5e18.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2236
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2220
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:2040
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c C:\Users\Admin\AppData\Local\Temp\$$a5783.bat
            3⤵
            • Deletes itself
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:1612
            • C:\Users\Admin\AppData\Local\Temp\86c881b8328c04c0c0c38b1208ec4b4ddefc628470ae4e50b80b191e87ed5e18.exe
              "C:\Users\Admin\AppData\Local\Temp\86c881b8328c04c0c0c38b1208ec4b4ddefc628470ae4e50b80b191e87ed5e18.exe"
              4⤵
              • Executes dropped EXE
              PID:2324
          • 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:1252
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:1160
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:2248
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:1992
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:2016

          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

                  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\$$a5783.bat

                  Filesize

                  722B

                  MD5

                  9201878c3d261bba241e5dd2302a2be8

                  SHA1

                  2dbcaac7c2a5b492f1151d53531eb3f8cf879c26

                  SHA256

                  459c1906e00c7609f4797eb605b7bd1ddf741f573c00d548eb801ea9102f3d87

                  SHA512

                  86b1d9189d66884faaa46e2e2026ecc409994d1148d7e728c9e5f3d74472f6af675f7f40c364de48e7d1058890a3689991e5f081e8c6cc11781cc2c654cf9153

                • C:\Users\Admin\AppData\Local\Temp\86c881b8328c04c0c0c38b1208ec4b4ddefc628470ae4e50b80b191e87ed5e18.exe.exe

                  Filesize

                  41KB

                  MD5

                  977e405c109268909fd24a94cc23d4f0

                  SHA1

                  af5d032c2b6caa2164cf298e95b09060665c4188

                  SHA256

                  cd24c61fe7dc3896c6c928c92a2adc58fab0a3ff61ef7ddcac1ba794182ab12f

                  SHA512

                  12b4b59c1a8e65e72aa07ee4b6b6cd9fdedead01d5ce8e30f16ca26b5d733655e23a71c1d273a950a5b1a6cce810b696612de4a1148ac5f468ddf05d4549eed5

                • 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/1212-27-0x0000000001C70000-0x0000000001C71000-memory.dmp

                  Filesize

                  4KB

                • memory/1252-955-0x0000000000400000-0x000000000043D000-memory.dmp

                  Filesize

                  244KB

                • memory/1252-29-0x0000000000400000-0x000000000043D000-memory.dmp

                  Filesize

                  244KB

                • memory/1252-3123-0x0000000000400000-0x000000000043D000-memory.dmp

                  Filesize

                  244KB

                • memory/1252-4028-0x0000000000400000-0x000000000043D000-memory.dmp

                  Filesize

                  244KB

                • memory/2236-0-0x0000000000400000-0x000000000043D000-memory.dmp

                  Filesize

                  244KB

                • memory/2236-17-0x0000000000400000-0x000000000043D000-memory.dmp

                  Filesize

                  244KB

                • memory/2236-18-0x0000000000440000-0x000000000047D000-memory.dmp

                  Filesize

                  244KB