Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/06/2024, 18:30

General

  • Target

    a8d526d265b197c8ecf5979bfad3775e81913bb4c2f0914f869c7191fa1255f2.exe

  • Size

    59KB

  • MD5

    d2a536bbe5e4335f5737b50fd1e7a258

  • SHA1

    1cae970c4d41b623051846ea86197030724c323b

  • SHA256

    a8d526d265b197c8ecf5979bfad3775e81913bb4c2f0914f869c7191fa1255f2

  • SHA512

    03123650f8d55772a4aa66762e5973f51a1a1817fcf0aad60d5318603bfb4db16698a37c83555beea8edb23fed4a678289c5ad6a7fdd550dc5731f6fc167e040

  • SSDEEP

    768:mYBzh+Vxr1x5cE9Fl5pz8UOutDlMXaoSunjXWNNyvo7TnIuSjvgkGOxJVqL4IbM:/BNsrz8VuJlMXaDuiNQvOnl6vAOxJ0lM

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:3448
      • C:\Users\Admin\AppData\Local\Temp\a8d526d265b197c8ecf5979bfad3775e81913bb4c2f0914f869c7191fa1255f2.exe
        "C:\Users\Admin\AppData\Local\Temp\a8d526d265b197c8ecf5979bfad3775e81913bb4c2f0914f869c7191fa1255f2.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1316
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3196
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:880
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a43DF.bat
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:1560
            • C:\Users\Admin\AppData\Local\Temp\a8d526d265b197c8ecf5979bfad3775e81913bb4c2f0914f869c7191fa1255f2.exe
              "C:\Users\Admin\AppData\Local\Temp\a8d526d265b197c8ecf5979bfad3775e81913bb4c2f0914f869c7191fa1255f2.exe"
              4⤵
              • Executes dropped EXE
              PID:4752
          • 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:468
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:4176
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:540
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:3676
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:1432

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                • C:\Program Files\7-Zip\7z.exe

                  Filesize

                  577KB

                  MD5

                  5d64188818f8abcb73f41c0b3c33441b

                  SHA1

                  30eb087973f856bdc3aca96d9b6038a55f866b2c

                  SHA256

                  30cf4b58ecca3bb3fe81f3829d12e56bd12143ed52b0c55f6d6a11792003278e

                  SHA512

                  7a807a62543517c2f637803a7d5b43af5d7df66591a195aa2f254464bfb63adf20bf4a0908fef74c1b7aff5ca0a9d0e1129e657347d3b6dd24df53e6e122c6fe

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

                  Filesize

                  644KB

                  MD5

                  11e0853d537d2721ecc655c1fc527e91

                  SHA1

                  c8e23d103e93073ba7c93374878ae9a9f926c944

                  SHA256

                  f168cda7cfa0f4f1d8dc26f615772410afe41b43fbc3da3cfe2c249b1eadca30

                  SHA512

                  3e5af85789e480d355053e9ded02108ae53136aec795d5d37faf1d5426275f7f3729e5583b0a95b3434d5b4452c7382405c0f8bc94e8a65275335c62268e0ee2

                • C:\Users\Admin\AppData\Local\Temp\$$a43DF.bat

                  Filesize

                  722B

                  MD5

                  fbdbd7d23ed613ec7fb71b898906731a

                  SHA1

                  1ba10be3700fd56402328f31cbba0886c3933350

                  SHA256

                  2f84c4dc8f7456b7cf0ecd0bf96e5b88a08ba78cb4574fd7e6bcaa146dfbd964

                  SHA512

                  c975fec3a9d5069f1f7196f0d5ed13e0476a169de7030cd8fac06dc342ef59399b8cf1f1ea807a79990146b12b31b3645158b7a12e7a6a7f53e6ca60fda7eaa1

                • C:\Users\Admin\AppData\Local\Temp\a8d526d265b197c8ecf5979bfad3775e81913bb4c2f0914f869c7191fa1255f2.exe.exe

                  Filesize

                  25KB

                  MD5

                  6ff84be315cfafbbdf36aa01af8389e7

                  SHA1

                  2c550a4059ac331f5f5c9d3f218e0f6184aa27c9

                  SHA256

                  47c67c1c88ceaee3cf1667bf956a3e11a84dea2f7c2afc634777aa5f1bf65c76

                  SHA512

                  72498b009573a9cc9b5554e61d56b68f273682bfa2e13808f4abd5b2171aa59dd4a64bd9f68a3a416cfaceacb0041df918d8a84f28a5fa7f204fc562c5b6b174

                • C:\Windows\Logo1_.exe

                  Filesize

                  33KB

                  MD5

                  d208b34bbac286d49a77081b20a5c951

                  SHA1

                  94341f108285312afa4cd4d6458804358b88e322

                  SHA256

                  6d3b364072ac79af423a6fa1252424274b51e8c18a113e8f54e7d8a9413ae33a

                  SHA512

                  e42039b533ec80a0b591bd6a4877c8c993eefdd7323a6fbb2d58b75188f085365c8f927f7079917fa18363f505f9ec400c0536f236248ca2809941dcd408aab0

                • F:\$RECYCLE.BIN\S-1-5-21-3558294865-3673844354-2255444939-1000\_desktop.ini

                  Filesize

                  9B

                  MD5

                  03c36dbecb7f35761f80ba5fc5566da6

                  SHA1

                  159b7733006187467bda251a1bbb278c141dceb6

                  SHA256

                  85a53f5b976fb1c26ce14c31e93c1f68997d2d8b09ab9aa2b7e0d32b8e50ec3b

                  SHA512

                  fe573085d2abef34adcede2f89b1c2810875ab00ef9ba27a1d95ed1dbe93e182fc53d981901a0b8048dd4eb5fdc852b8f0e0c3a0e1a404cbbe70e13a7a14104a

                • memory/468-10-0x0000000000400000-0x0000000000440000-memory.dmp

                  Filesize

                  256KB

                • memory/468-18-0x0000000000400000-0x0000000000440000-memory.dmp

                  Filesize

                  256KB

                • memory/468-5220-0x0000000000400000-0x0000000000440000-memory.dmp

                  Filesize

                  256KB

                • memory/468-8684-0x0000000000400000-0x0000000000440000-memory.dmp

                  Filesize

                  256KB

                • memory/1316-0-0x0000000000400000-0x0000000000440000-memory.dmp

                  Filesize

                  256KB

                • memory/1316-9-0x0000000000400000-0x0000000000440000-memory.dmp

                  Filesize

                  256KB