Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-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

  • 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
  • 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 64 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3436
      • 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:4820
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:5100
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:4776
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a8676.bat
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1192
          • C:\Users\Admin\AppData\Local\Temp\936ef75de2ffa46641142f0d44fe462425eacc11458ef4e2e943661e4a485de9.exe
            "C:\Users\Admin\AppData\Local\Temp\936ef75de2ffa46641142f0d44fe462425eacc11458ef4e2e943661e4a485de9.exe"
            4⤵
            • Executes dropped EXE
            PID:4172
        • 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:3768
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:3044
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:1712
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:1128
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:636

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Program Files\7-Zip\7z.exe

      Filesize

      577KB

      MD5

      b2d42d2acc3ae6aeae98d929b3fceffd

      SHA1

      9a56b274f4e073f8e9f5869fad424ed8953d841c

      SHA256

      6813174f48fd25892a5fa28d0dd808df9ff007f751539d5f6f99e30cda0d96b5

      SHA512

      57feee21c0493c7fda61517d7bb734596e0de791bbdf09fe85ccc43e532f1fe65a4a4514ce9de20a1394e9f238444e14568ffbcc8fcc434f88b5a7d956c39ea8

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

      Filesize

      644KB

      MD5

      9044b8cb7dee805474f46fdff328cebb

      SHA1

      1cabc4c6c2c86cbb78765bc9dbc34fb343a473d2

      SHA256

      62fedddac5d2bc0012582f6d5c8a62f1cfeb146338ded33892f3e2e9a3080618

      SHA512

      4c3baf797abb9745bd194cb39da4f7541273d5ceb694929e562b3823118a8851a9b5dde4379d3936ca8fc233339560f7716518a62b421a2fcfe228d1037d9753

    • C:\Users\Admin\AppData\Local\Temp\$$a8676.bat

      Filesize

      722B

      MD5

      c38fe22ed9af89c370da297eae121dcf

      SHA1

      3a801971a567548d3204ddd94e52b8756e35aca5

      SHA256

      c989b8b39bb06b6b5a2d652a49a0b3ed842fc3883bcf346d5e7c0154d7343c84

      SHA512

      eb3f51441bdcf8fc7d4e78b7cabf055adbf0655b15fceff69a19dba54dea4a3713973f6b63ac01115fb007e9df49995303ed8e91f15685e1065aefc2df6b6c2e

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

      Filesize

      68KB

      MD5

      48335cfbe6a9bdaa2492ca1320b70a3a

      SHA1

      6d3c3d659e3718a0b56f52c9d4386d55d7672b97

      SHA256

      4ec34f1d893e8cc02f669fb5eb329bbcc5374bd7e7284e8fd86fbc29d2ffeb4d

      SHA512

      9eaf3b380449ab1d2b4b6371336fc71f6a43eee0295de012d0859e7f3b80a87f9d8316b0e65d4ca450630ee17b95c64e79e594bfe27fb3965917b0c5bc2d1b58

    • C:\Windows\Logo1_.exe

      Filesize

      33KB

      MD5

      356cac02b916fa68cdb143461cd998e9

      SHA1

      888516965d3843e0a10864d6cc0480cc912cf0a8

      SHA256

      c0e06a40330d72717d8c82fa7844df30dd8c6d99447e2e2372dc22a95120a92f

      SHA512

      6daeea1394153fb814655ef67b6220182f8eb0fb995f189f455771412e484c6522a6965c13b6ff748060778b25397ecb8a627b2fea4dffcf526ade0aaec53965

    • F:\$RECYCLE.BIN\S-1-5-21-523280732-2327480845-3730041215-1000\_desktop.ini

      Filesize

      9B

      MD5

      e2a14c19421b289cbd51a76363b166bd

      SHA1

      5d0621d68da5a444f49c090b0725c7044d47fdb7

      SHA256

      844af243be560dc4e478aa7ea28f4959f9df45f204006bade7ae52398d651835

      SHA512

      8c49bec05605c4d2b8f07f00a7a39e70f5bd4f7c84ba221c615447f947053bf3bb0496c38e2bf8b15235c493cc5a0b41f34285fed1adb4c13572f25b67e178e5

    • memory/3768-8-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/3768-18-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/3768-2660-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/3768-8693-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/4820-0-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/4820-11-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB