Analysis

  • max time kernel
    149s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    23/07/2024, 19:04

General

  • Target

    8ad598321b1462b28a72360138022500fbf742011d3c7eac78c635cdcf6eb23a.exe

  • Size

    43KB

  • MD5

    df97341db9a3307519e40f6cd1d4f364

  • SHA1

    646881055913a47806b6b1ea311df761ec0f7efd

  • SHA256

    8ad598321b1462b28a72360138022500fbf742011d3c7eac78c635cdcf6eb23a

  • SHA512

    adf603e446c72fb6ddeacd2a213740e7868a25fe148740d7b82ed674c0b0dc83e5f1a25c92d47f64289dd6889cf8b345dfc212fcd5da79d420780eca3dc25c93

  • SSDEEP

    768:HsaO5RroZJ76739AzUJQ+OYkLl2b3+DTQb9OGImt0oRn3:Hsae+Zk7qzUJBeLkbiT29dX3

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Drops startup file 2 IoCs
  • Executes dropped EXE 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
  • 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 34 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1212
      • C:\Users\Admin\AppData\Local\Temp\8ad598321b1462b28a72360138022500fbf742011d3c7eac78c635cdcf6eb23a.exe
        "C:\Users\Admin\AppData\Local\Temp\8ad598321b1462b28a72360138022500fbf742011d3c7eac78c635cdcf6eb23a.exe"
        2⤵
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2084
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2232
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:2736
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$aF22C.bat
          3⤵
          • Deletes itself
          • System Location Discovery: System Language Discovery
          PID:2640
        • 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:2840
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2568
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:2672
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2564
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:3048

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe

            Filesize

            264KB

            MD5

            6d0d6e0e6b9c1f755eeee10305f199c9

            SHA1

            6bd5ffb0481f75d5edbb659dfc0c85f3fd1c9147

            SHA256

            fd93ab2b7dca5b0b769637aeec591fe865efa180d2f46625c80153dcb1ccfa6d

            SHA512

            eb15d0f478723e397ce4ca3ac36d6ee30066dd1139f5828efc1016db7a6e5632ab99dd72146091d0dd42409d5497619250ea718fccf3a9debf9ceed3a34d74b3

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

            Filesize

            484KB

            MD5

            7b714d463f7db900d5b6e757778a8ab8

            SHA1

            2cfc0e9f54236af8e10b0bfa551d87a20982b733

            SHA256

            c995370836939a29853611830ca08d437286d4f45603edce88f36aa1f99a0d97

            SHA512

            e8fe8823b5b7f282c24c964cbf4f248b7562259a13410bf95997288727f9bfc6ea51c4aa40182b649a2235bafc02062e0c57f4f62876b5174395071a8d68f9bb

          • C:\Users\Admin\AppData\Local\Temp\$$aF22C.bat

            Filesize

            722B

            MD5

            428c79c957f3b0d16699d6fe76c7947c

            SHA1

            a900f8722af9f6a072467c2c3b4e45d39edd71ea

            SHA256

            eb60636e1cffd62764526929df47a1c495f94ab419df1970312657d9c9728348

            SHA512

            12aa4c69a018a70191e6fe75cc5479be2588a11f50099b7b14d514ad55476c84cc98d5909a32820d978070e4f202e71826fe084041892593c0308083cafcf21e

          • C:\Users\Admin\AppData\Local\Temp\8ad598321b1462b28a72360138022500fbf742011d3c7eac78c635cdcf6eb23a.exe.exe

            Filesize

            4KB

            MD5

            99b96f7f497e9e216da4b7c9979810e5

            SHA1

            2c424f82747581db2b35673eb22ba321d573944b

            SHA256

            7c3300179b3d9ab57042a5f026a69fac3b0e2e783e94853ff109a29d2d3f541b

            SHA512

            90a0b888f474fa5505f39ca7575635a7ea839e4e23cf9d573c99d7b3b226036fb0b82e17900012aed9fe1c8b4985488e22df0421ad66dbff9d4fcf4be0455212

          • C:\Windows\Logo1_.exe

            Filesize

            39KB

            MD5

            dd45e175b084f3e7b3923cb8fcb3833b

            SHA1

            e44896aa2e3e4a8ba6677fd10c4eac8315b3939c

            SHA256

            cff2b960d67366aedaec8aaa4388a3537000a7253a3eeef378d24e1a171a4f13

            SHA512

            562284581292c3965df7e1f95bcffa2047d9a9e42e863e32b9cfc7b289270db24ca1ecb004f26d499d9901c49c11844cf3868b93b4b704f30a98ba4b52824fba

          • F:\$RECYCLE.BIN\S-1-5-21-3294248377-1418901787-4083263181-1000\_desktop.ini

            Filesize

            9B

            MD5

            ece8e24737d1957fb4e94d8890ee8d02

            SHA1

            6c79bfb99f560a2102a903116f5a0c195f7885e4

            SHA256

            d920366b3c62a677cf0cf1f267a7c2f3dd693f2ff60ee023091bf9c39c5e30b8

            SHA512

            ccf58b4da1ad1379a546f307bca8dc4452a61a3cb443814f4d9566b8d8d35cc9d794ada4d1a13296ed5bc0248ba5ef538e5dc5e22861c2ead3f479beeb5c2d37

          • memory/1212-26-0x0000000002E50000-0x0000000002E51000-memory.dmp

            Filesize

            4KB

          • memory/2084-16-0x0000000000440000-0x000000000047D000-memory.dmp

            Filesize

            244KB

          • memory/2084-0-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/2084-17-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/2084-18-0x0000000000440000-0x000000000047D000-memory.dmp

            Filesize

            244KB

          • memory/2840-30-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/2840-3341-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/2840-4192-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB