Analysis

  • max time kernel
    150s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    28-04-2024 20:17

General

  • Target

    4d110da95694dc2ed0cd9ff12350fc30dfe30f229447eb8b0b6b2f45d4a94f8f.exe

  • Size

    251KB

  • MD5

    ac33eaae06e9f601dc5dbc9ad3b36406

  • SHA1

    c3fdb662ed219ca12e1d3bb9fd8e4d37cf8a3e71

  • SHA256

    4d110da95694dc2ed0cd9ff12350fc30dfe30f229447eb8b0b6b2f45d4a94f8f

  • SHA512

    8fb842283ce4333a79e08fe6e11504cf8d760c31bc9a91ef5a793e1d95dac53b9124dfc98e5735545bfb5c11b795c468449bdba56071188d11d13d3e44f327fe

  • SSDEEP

    6144:m+aM2QZbO5JCSZT0wwla4G13CmdxLzI9LTB5xnmT:m+aMhbuJcfcXbz0Tfxo

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 3 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⤵
    • Executes dropped EXE
    PID:1204
    • C:\Users\Admin\AppData\Local\Temp\4d110da95694dc2ed0cd9ff12350fc30dfe30f229447eb8b0b6b2f45d4a94f8f.exe
      "C:\Users\Admin\AppData\Local\Temp\4d110da95694dc2ed0cd9ff12350fc30dfe30f229447eb8b0b6b2f45d4a94f8f.exe"
      2⤵
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2120
      • C:\Windows\SysWOW64\net.exe
        net stop "Kingsoft AntiVirus Service"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2320
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
          4⤵
            PID:1676
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$a12D5.bat
          3⤵
          • Deletes itself
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:2604
          • C:\Users\Admin\AppData\Local\Temp\4d110da95694dc2ed0cd9ff12350fc30dfe30f229447eb8b0b6b2f45d4a94f8f.exe
            "C:\Users\Admin\AppData\Local\Temp\4d110da95694dc2ed0cd9ff12350fc30dfe30f229447eb8b0b6b2f45d4a94f8f.exe"
            4⤵
            • Executes dropped EXE
            PID:2728
        • 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:2656
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:2252
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:2592
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:2624
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:2464

        Network

        MITRE ATT&CK Matrix ATT&CK v13

        Credential Access

        Unsecured Credentials

        1
        T1552

        Credentials In Files

        1
        T1552.001

        Discovery

        Query Registry

        1
        T1012

        Peripheral Device Discovery

        1
        T1120

        System Information Discovery

        1
        T1082

        Collection

        Data from Local System

        1
        T1005

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\ProgramData\Package Cache\{ca67548a-5ebe-413a-b50c-4b9ceb6d66c6}\vcredist_x64.exe
          Filesize

          478KB

          MD5

          3e2d3392a9d3ae3ed27661f81e853478

          SHA1

          fa8c023a3bff75e89ed39f5d4bfb5693d818ca8b

          SHA256

          09da8a31b7f420b9e4ed6d02e698bcc12a4f3efa46a53d1492a241a5784d44a8

          SHA512

          27652a29d728b92995b8ce46b150cd14baf5b65789591085ef3fa959dbc99efaa071b7a014ccaabeb6e84cdea642769dc98a7a1684afcda9be82dbb0b8d3fa17

        • C:\Users\Admin\AppData\Local\Temp\$$a12D5.bat
          Filesize

          722B

          MD5

          e7a38d92d225c0e84f1228738788d557

          SHA1

          f7cf4145e591f6bfb3b610fd79618bfd45ebd943

          SHA256

          66ebf8a2b87e2d596c1bd78d6159dc5e3d23e1dfe2bc81d71de86ab8b0b300e2

          SHA512

          5e8adb160d02b5190c543605a288bd24fd59a27dbc1c0e906b59810924c04f9b7a2f8cfc8f557168013736f84cae3c8c0465883b37a1060629905cad718156a8

        • C:\Users\Admin\AppData\Local\Temp\4d110da95694dc2ed0cd9ff12350fc30dfe30f229447eb8b0b6b2f45d4a94f8f.exe.exe
          Filesize

          218KB

          MD5

          5f1707646575d375c50155832477a437

          SHA1

          9bcba378189c2f1cb00f82c0539e0e9b8ff0b6c1

          SHA256

          75d348a3330bc527b2b2ff8a0789f711bd51461126f8df0c0aa1647e9d976809

          SHA512

          2f55dd13abfeb5af133ac5afb43c90fd10618e8fb241f50529241cff7987fff382cf151146855c37ad8ae0401b34f6d9aa32cbec03cdd67a224dfe247bad6c99

        • C:\Windows\Logo1_.exe
          Filesize

          33KB

          MD5

          3659e75ad8a2bdeef5f1d74aae41c2af

          SHA1

          95b2fa7bc2afbc1f412fc4285dbb6a15cc658a8a

          SHA256

          dbb4fdb10597cfb189203f72e75a2f2769a6960ed1acc1baa901742a344ae52d

          SHA512

          f19bbad48af80437f083d21cf89839bee9d30d50162df60a0d7c8205b646739332e55371f5d6c005f69681e41f00df936942c06f94f1a38c25084e438cac61e2

        • F:\$RECYCLE.BIN\S-1-5-21-2297530677-1229052932-2803917579-1000\_desktop.ini
          Filesize

          9B

          MD5

          e7957b9f3d9556c996418169821a7993

          SHA1

          b7028de0f91d2e50a8d5f6d23613331a2784a142

          SHA256

          71a21a13d7822776d52d9a6146651dc9155db9f0bfbd978acf43d12dea2a8539

          SHA512

          72bc8552047095449fa4c3c21300183acfc7b33e6ab69c11435542e2862cb9e896bbfdedaeb97ec6edac8ed68220507a302d1ed2217624c97f6e9a83c0d3a285

        • memory/1204-28-0x0000000002DD0000-0x0000000002DD1000-memory.dmp
          Filesize

          4KB

        • memory/2120-0-0x0000000000400000-0x000000000043F000-memory.dmp
          Filesize

          252KB

        • memory/2120-17-0x0000000000400000-0x000000000043F000-memory.dmp
          Filesize

          252KB

        • memory/2656-19-0x0000000000400000-0x000000000043F000-memory.dmp
          Filesize

          252KB

        • memory/2656-32-0x0000000000400000-0x000000000043F000-memory.dmp
          Filesize

          252KB

        • memory/2656-3323-0x0000000000400000-0x000000000043F000-memory.dmp
          Filesize

          252KB

        • memory/2656-4142-0x0000000000400000-0x000000000043F000-memory.dmp
          Filesize

          252KB