Overview

overview

7

Static

static

3

c4fffaa777...2N.exe

windows7-x64

7

c4fffaa777...2N.exe

windows10-2004-x64

7

Analysis

  • max time kernel
    120s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/09/2024, 07:34

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General

  • Target

    c4fffaa7775c21c57c137124c03e73305cfc27422e1c07295d5c6a7c4ea81a62N.exe

  • Size

    66KB

  • MD5

    b82e20543e7d77a7b9436607ab363980

  • SHA1

    ee9b8bcd20b412e1f11d8d1a0abc5b597ddd118c

  • SHA256

    c4fffaa7775c21c57c137124c03e73305cfc27422e1c07295d5c6a7c4ea81a62

  • SHA512

    434af06d5659676e0b0ec7207aaa337bd199ef085f0bd53ce8e4c361c0adf9d093c04dbd11bf56c1545d0061fb22d6a909b543ae9038fcc5f080b830793066f7

  • SSDEEP

    768:mYBCe+Vxr1x5cE9Fl5pz8UOutDlMXaoSunjXWNNEC4OMMwP3Sy6EGyI4t6a9AkHu:/BCesrz8VuJlMXaDuiNGC4ayFGyHNXk

Score
7/10
discoveryspywarestealer

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.

    spywarestealer
  • 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
  • System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • 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:3340
      • C:\Users\Admin\AppData\Local\Temp\c4fffaa7775c21c57c137124c03e73305cfc27422e1c07295d5c6a7c4ea81a62N.exe
        "C:\Users\Admin\AppData\Local\Temp\c4fffaa7775c21c57c137124c03e73305cfc27422e1c07295d5c6a7c4ea81a62N.exe"
        2⤵
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1820
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:4956
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:4748
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a7772.bat
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2608
          • C:\Users\Admin\AppData\Local\Temp\c4fffaa7775c21c57c137124c03e73305cfc27422e1c07295d5c6a7c4ea81a62N.exe
            "C:\Users\Admin\AppData\Local\Temp\c4fffaa7775c21c57c137124c03e73305cfc27422e1c07295d5c6a7c4ea81a62N.exe"
            4⤵
            • Executes dropped EXE
            PID:4840
        • 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
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:3544
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:4500
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:1396
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:5036
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:4308

    Network

          MITRE ATT&CK Enterprise v15

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          Downloads

          • C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateCore.exe
            Filesize

            251KB

            MD5

            35288488f6844cc1ba2d1f93d3d2afa2

            SHA1

            4e957e4093a1cc019562dd12f216c42e9845b157

            SHA256

            a5f2e4990597f1e12f71ba6c9d9c3b9dc59f174bfd30a81454856bf5f847d708

            SHA512

            bc8a6584ac69de15e7a506af89903bc49650a258eacec81d4695ef963d5e40fdff4e97f51fb7bebf72ee684546242227a65bfebadcc4f39461e09dcba27a334b

            Download Submit

          • C:\Program Files\StopClose.exe
            Filesize

            369KB

            MD5

            490b042d3f39326bf254cba880238cc9

            SHA1

            5523ec903511e54508180764f9efcb9b264c9e2f

            SHA256

            da283793c0268d14f0985de9756f119c71d331808420ff7f8ea5dc37e5563ecb

            SHA512

            f9f600048efd0b0214847d45488a2bc0a46cc21193c9f91fab6f543fe99415173bd7cab547d6504cfbe0da182d483b44e8ddd74c1928646ae026e019d6686848

            Download Submit

          • C:\ProgramData\Package Cache\{63880b41-04fc-4f9b-92c4-4455c255eb8c}\windowsdesktop-runtime-8.0.2-win-x64.exe
            Filesize

            644KB

            MD5

            f9bda517f882e3c2636d44cfa30c8ef0

            SHA1

            06822afcd175307e76db635fa14c80b4708458ba

            SHA256

            cb3149e29fc3c22b6ed7a427146780eb251e10b54153139535f6999b33037de8

            SHA512

            e6c867020f86944f79cb768de9a01c60c36bbbf2937cf8cecb096ad578d06a2a37a3976665f2063da1e3e3be62ff26b520abe26d442e084e0b496d5ab08e1050

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          • C:\Users\Admin\AppData\Local\Temp\$$a7772.bat
            Filesize

            728B

            MD5

            55746cb59121946f610352c14566d975

            SHA1

            7ecefc7525ecabc3728ac1c50aa8836d1e29cd46

            SHA256

            b43b50e85b473ac5ae24b273227b6fe34be49d966819efa2d844d3d934c8304e

            SHA512

            3be4deac76ce443a86a351b4c6199c1615c2513c8b5e47a749cf7700a06fe928e0d0f0f51b2a10a210c3bc2bfd1e594158b331bfc89a5c2a4632343b1ab7d6ec

            Download Submit

          • C:\Users\Admin\AppData\Local\Temp\c4fffaa7775c21c57c137124c03e73305cfc27422e1c07295d5c6a7c4ea81a62N.exe.exe
            Filesize

            33KB

            MD5

            bdbce90ce74990df3b2c7c8484dde146

            SHA1

            ae6aadaf5467b97779d4c1a81b5cd3dfb9d8ecb4

            SHA256

            f4a3c012f2859ead10af1298d9b20fbd8ca2257f73d530a2b0c25937cb16f6eb

            SHA512

            78e2f31759ce490f38e898ef17a700dd0898cc32b526325e8d7230b4ff119c39124cd2abf30038f70318931cc995abee523b334a29812bf875302dc126c9f958

            Download Submit

          • C:\Windows\Logo1_.exe
            Filesize

            33KB

            MD5

            f61a8a91475d606cd19c2f03a361e6ce

            SHA1

            2976acd1ac2575b502728efe439704601b557815

            SHA256

            437fd36e20117c428203bc55483e849988d21a7a1b58756f95c45ff2fc550cb8

            SHA512

            502cd1a3361f1a3ae96f3a598e8aa5bc87fb8724686911b5409f1a5df1996695b2d41a29d3593c32166225fe6f424d945c209cec52014d53b4117665fa1fc0c9

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          • F:\$RECYCLE.BIN\S-1-5-21-355097885-2402257403-2971294179-1000\_desktop.ini
            Filesize

            9B

            MD5

            82fa69b12ac2df558c85e86426eb13eb

            SHA1

            ad90b8756e3bebe04450f6950419c761844d7b7e

            SHA256

            f7622a3740b818722e46a36b5aeb1c0ba6bec25bec811e3dcfe0b5ba1d728775

            SHA512

            3c4da39d3b0d68ade3ff8ded69bf1e78a1ef88f7ed70c85572ae06e6be78155ffc2f557f577208e579191be2d8be2a1fa833b9ca74a35bb69cf9c32c23f4d99f

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          • memory/1820-9-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

            Download

          • memory/1820-0-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

            Download

          • memory/3544-18-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

            Download

          • memory/3544-3475-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

            Download

          • memory/3544-10-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

            Download

          • memory/3544-8756-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

            Download