Analysis

  • max time kernel
    160s
  • max time network
    168s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/01/2024, 20:00

General

  • Target
    e2923acfb78ffd05e36957bb38912f3f19e0d12001be214cfe9a89cd6ca00d34.exe
  • Size 306KB
  • Sample240105-yq8psaahd7
  • SHA256 e2923acfb78ffd05e36957bb38912f3f19e0d12001be214cfe9a89cd6ca00d34
  • MD5 SHA1 SHA512 SSDEEP
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 29 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3352
      • C:\Users\Admin\AppData\Local\Temp\e2923acfb78ffd05e36957bb38912f3f19e0d12001be214cfe9a89cd6ca00d34.exe
        "C:\Users\Admin\AppData\Local\Temp\e2923acfb78ffd05e36957bb38912f3f19e0d12001be214cfe9a89cd6ca00d34.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1624
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3324
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:2580
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$aA2B8.bat
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:3288
            • C:\Users\Admin\AppData\Local\Temp\e2923acfb78ffd05e36957bb38912f3f19e0d12001be214cfe9a89cd6ca00d34.exe
              "C:\Users\Admin\AppData\Local\Temp\e2923acfb78ffd05e36957bb38912f3f19e0d12001be214cfe9a89cd6ca00d34.exe"
              4⤵
              • Executes dropped EXE
              PID:768
          • 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:4896
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:4528
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:1756
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:5076
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:3568

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                GoogleUpdateCore.exe

                • Path C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe
                • Size 258KB
                • SHA256 331366057a460595eea4cd12de73bd9e2fcc6127487fc6a070b1d1c056700f9f
                • MD5 SHA1 SHA512 SSDEEP

                7z.exe

                • Path C:\Program Files\7-Zip\7z.exe
                • Size 577KB
                • SHA256 94a1ae0381b67a16312dbe48bc84f2445c4234c230c7444accd74157e4b6f41c
                • MD5 SHA1 SHA512 SSDEEP

                vcredist_x86.exe

                • Path C:\ProgramData\Package Cache\{61087a79-ac85-455c-934d-1fa22cc64f36}\vcredist_x86.exe
                • Size 488KB
                • SHA256 9d831a1989490b2cba9754cb5e5e5fe83604e546e51eb7d1d2c13cb176f1db82
                • MD5 SHA1 SHA512 SSDEEP

                $$aA2B8.bat

                • Path C:\Users\Admin\AppData\Local\Temp\$$aA2B8.bat
                • Size 722B
                • SHA256 0834076655e0c97027028d20de2a981f9c0b9df3d8cc19c1fa6f71fd2796442a
                • MD5 SHA1 SHA512

                e2923acfb78ffd05e36957bb38912f3f19e0d12001be214cfe9a89cd6ca00d34.exe.exe

                • Path C:\Users\Admin\AppData\Local\Temp\e2923acfb78ffd05e36957bb38912f3f19e0d12001be214cfe9a89cd6ca00d34.exe.exe
                • Size 273KB
                • SHA256 db42cb95904cfc6891df2aa736506fb34a26cf9a26e88ab0ef262e0459344a3e
                • MD5 SHA1 SHA512 SSDEEP

                Logo1_.exe

                • Path C:\Windows\Logo1_.exe
                • Size 33KB
                • SHA256 905167896d2eecbb77f54d30f6f4e76fc75a804a7d6748f813724afebe930e44
                • MD5 SHA1 SHA512 SSDEEP

                _desktop.ini

                • Path F:\$RECYCLE.BIN\S-1-5-21-2398549320-3657759451-817663969-1000\_desktop.ini
                • Size 8B
                • SHA256 56dc9a9a2aef97a2582545195a5ae52880339dff396cf5a749551379418aed62
                • MD5 SHA1 SHA512

                memory/1624-8-0x0000000000400000-0x000000000043D000-memory.dmp

                memory/1624-0-0x0000000000400000-0x000000000043D000-memory.dmp

                memory/4896-37-0x0000000000400000-0x000000000043D000-memory.dmp

                memory/4896-2108-0x0000000000400000-0x000000000043D000-memory.dmp

                memory/4896-2114-0x0000000000400000-0x000000000043D000-memory.dmp

                memory/4896-4625-0x0000000000400000-0x000000000043D000-memory.dmp

                memory/4896-17-0x0000000000400000-0x000000000043D000-memory.dmp

                memory/4896-10-0x0000000000400000-0x000000000043D000-memory.dmp

                memory/4896-5707-0x0000000000400000-0x000000000043D000-memory.dmp

                memory/4896-5770-0x0000000000400000-0x000000000043D000-memory.dmp

                memory/4896-8589-0x0000000000400000-0x000000000043D000-memory.dmp