Analysis

  • max time kernel
    150s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    14-09-2024 00:00

General

  • Target

    936ef75de2ffa46641142f0d44fe462425eacc11458ef4e2e943661e4a485de9.exe

  • Size

    101KB

  • MD5

    7ad6e95ed44ec9b92db8ea11d53a62e2

  • SHA1

    d321ff9146b53b05a1a6be41f4f565f32f6a9168

  • SHA256

    936ef75de2ffa46641142f0d44fe462425eacc11458ef4e2e943661e4a485de9

  • SHA512

    bd7b6fe8741e979250f83d139df95382cbefa0a9b0c4a3a9a43aa0ea20afb24fa9089392e6add6658278ad936f667b261f46da2d116d291d2f250eddae010bc2

  • SSDEEP

    1536:2Rpsrz8GvnGYWtwXaa8NPI9j+RedcP01ic4Brg:2i8aTWtwXwKRj1EBrg

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Drops startup file 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 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
  • 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.

  • 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:1192
      • C:\Users\Admin\AppData\Local\Temp\936ef75de2ffa46641142f0d44fe462425eacc11458ef4e2e943661e4a485de9.exe
        "C:\Users\Admin\AppData\Local\Temp\936ef75de2ffa46641142f0d44fe462425eacc11458ef4e2e943661e4a485de9.exe"
        2⤵
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:3056
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2104
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:2684
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$aC31.bat
          3⤵
          • Deletes itself
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2100
          • C:\Users\Admin\AppData\Local\Temp\936ef75de2ffa46641142f0d44fe462425eacc11458ef4e2e943661e4a485de9.exe
            "C:\Users\Admin\AppData\Local\Temp\936ef75de2ffa46641142f0d44fe462425eacc11458ef4e2e943661e4a485de9.exe"
            4⤵
            • Executes dropped EXE
            PID:2728
        • 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:2760
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2744
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:2668
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2560
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:2608

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      Filesize

      478KB

      MD5

      8ef1a94c2988444c9d5d6c36a63765d3

      SHA1

      d566ce1693e16fd605afcf2c5ea87af57af56197

      SHA256

      ab3dfdf37c3eaae2dbeb15b4e6be3659187e8e3613450664160702c787cf1623

      SHA512

      991fc8c061d831e96f6e061ec85f6d5c2aa7e7380a949bd04193ef6b0f8d495a462bf6b9bcafbd2893eefa0195bf4a191a923c36f4845e6f44a86be1e1ded45e

    • C:\Users\Admin\AppData\Local\Temp\$$aC31.bat

      Filesize

      721B

      MD5

      db29a0d0c21ae7cc1a733d98c09858a4

      SHA1

      3739e3a1493e1a259755c63272b22056889a4b09

      SHA256

      e5c89a3cdd8f328ab8f56642b586675a0cde9c9973c72b125cac3533e541f7a9

      SHA512

      195da091ee9f4cd30a32d3b02c011e75e621ac780c85d621cde79b4f92a6646386184cea11d968ce808dd2d3701ad4eb813ef4b4601fd8bf180f2b482835d66c

    • C:\Users\Admin\AppData\Local\Temp\936ef75de2ffa46641142f0d44fe462425eacc11458ef4e2e943661e4a485de9.exe

      Filesize

      68KB

      MD5

      48335cfbe6a9bdaa2492ca1320b70a3a

      SHA1

      6d3c3d659e3718a0b56f52c9d4386d55d7672b97

      SHA256

      4ec34f1d893e8cc02f669fb5eb329bbcc5374bd7e7284e8fd86fbc29d2ffeb4d

      SHA512

      9eaf3b380449ab1d2b4b6371336fc71f6a43eee0295de012d0859e7f3b80a87f9d8316b0e65d4ca450630ee17b95c64e79e594bfe27fb3965917b0c5bc2d1b58

    • C:\Windows\rundl132.exe

      Filesize

      33KB

      MD5

      356cac02b916fa68cdb143461cd998e9

      SHA1

      888516965d3843e0a10864d6cc0480cc912cf0a8

      SHA256

      c0e06a40330d72717d8c82fa7844df30dd8c6d99447e2e2372dc22a95120a92f

      SHA512

      6daeea1394153fb814655ef67b6220182f8eb0fb995f189f455771412e484c6522a6965c13b6ff748060778b25397ecb8a627b2fea4dffcf526ade0aaec53965

    • F:\$RECYCLE.BIN\S-1-5-21-3434294380-2554721341-1919518612-1000\_desktop.ini

      Filesize

      9B

      MD5

      e2a14c19421b289cbd51a76363b166bd

      SHA1

      5d0621d68da5a444f49c090b0725c7044d47fdb7

      SHA256

      844af243be560dc4e478aa7ea28f4959f9df45f204006bade7ae52398d651835

      SHA512

      8c49bec05605c4d2b8f07f00a7a39e70f5bd4f7c84ba221c615447f947053bf3bb0496c38e2bf8b15235c493cc5a0b41f34285fed1adb4c13572f25b67e178e5

    • memory/1192-29-0x0000000002610000-0x0000000002611000-memory.dmp

      Filesize

      4KB

    • memory/2760-4152-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2760-2076-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2760-33-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/3056-18-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/3056-0-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/3056-15-0x0000000000230000-0x0000000000270000-memory.dmp

      Filesize

      256KB

    • memory/3056-17-0x0000000000230000-0x0000000000270000-memory.dmp

      Filesize

      256KB