Analysis

  • max time kernel
    119s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    14-09-2024 07:27

General

  • Target

    992ef5a0cd8afa5e5823c731ac4f9130N.exe

  • Size

    66KB

  • MD5

    992ef5a0cd8afa5e5823c731ac4f9130

  • SHA1

    c3e07d9db51bab7d32b8c0ec3c329ef3118787a5

  • SHA256

    b81fa49b6fe7ffad48a68d52a61763ea0ada10ac91d6b7bf5ab1482304cda018

  • SHA512

    41406221d08c01e6a4064ad50af6e4ada8c8229bb3250c8006e62c2aebbb93bcfffaa6461f8cddfa80206d6135ead34c844e2f498f6627093c9e23c1b1ef58de

  • SSDEEP

    1536:PGHzaYzMXqtGNttyUn01Q78a4Rs2kKzs2Irj5hN:PGTaY46tGNttyJQ7KRs2kKzQj5r

Malware Config

Signatures

  • Drops file in Drivers directory 2 IoCs
  • Deletes itself 1 IoCs
  • Drops startup file 2 IoCs
  • Executes dropped EXE 2 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
  • 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:1264
      • C:\Users\Admin\AppData\Local\Temp\992ef5a0cd8afa5e5823c731ac4f9130N.exe
        "C:\Users\Admin\AppData\Local\Temp\992ef5a0cd8afa5e5823c731ac4f9130N.exe"
        2⤵
        • Drops file in Drivers directory
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2264
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2100
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:2404
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$aCD0F.bat
          3⤵
          • Deletes itself
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2520
          • C:\Users\Admin\AppData\Local\Temp\992ef5a0cd8afa5e5823c731ac4f9130N.exe
            "C:\Users\Admin\AppData\Local\Temp\992ef5a0cd8afa5e5823c731ac4f9130N.exe"
            4⤵
            • Executes dropped EXE
            PID:2080
        • C:\Windows\Logo1_.exe
          C:\Windows\Logo1_.exe
          3⤵
          • Drops file in Drivers directory
          • 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:2796
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2816
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:2732
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2768
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:2876

    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

      258KB

      MD5

      25f6918160dd06a3fee44112703a34b1

      SHA1

      aa82bf41243d0ff1b52a8022d706aaaa36ea3507

      SHA256

      e2f93a0e631d696634eee9a18a15a1ed482c6d7050649e3b5a3892a88000fd47

      SHA512

      1f4ddd72443748d63be128a50c0d5fbe479d12aa3c101aaff451ae59d44006573d94a01dd508bea5f752cd0300262923505d48a4f5a436f22c6f80b83c4f9907

    • C:\Users\Admin\AppData\Local\Temp\$$aCD0F.bat

      Filesize

      536B

      MD5

      581bd2c2a387e3047c1274feb2a195a2

      SHA1

      c8cd4b62ac1358ba9200f7dd99c307e8e3f2a518

      SHA256

      81f96843a2c325e8d14dfac7204622ab277b3e65e5856765867512fecfdb4bfb

      SHA512

      beec72282a84bc595a3666aa13c5105a1a54fa3b42a07750d07acac1db4b96485c621de17927366f272353c0615fb93bfc2dfcbc7b79f79d4635b3373ecc59d4

    • C:\Users\Admin\AppData\Local\Temp\992ef5a0cd8afa5e5823c731ac4f9130N.exe.exe

      Filesize

      33KB

      MD5

      97ec61761e1fdfb2f1d4ea4d221a43d1

      SHA1

      d6e1682a8dd967bdffe8c145731fb9ea1d0a3509

      SHA256

      1f3069b596484ffa16181226b07c67ee1cb0f41d191ddde7c02f6bb75336cc52

      SHA512

      7d34cc27dce09e2711d76f39c5f44525937ac15723aaedc303c154223f3ec42e6043374582614cc3067795781a2daf6ea8935f3f3b0a8747fa783cedf36090a9

    • C:\Windows\Logo1_.exe

      Filesize

      33KB

      MD5

      8e6c2527694305466e8cade2a7610544

      SHA1

      101649b6eb1e5ddf85cc53087cf9b663bac1d23a

      SHA256

      e4117bf04f097021f5f44b8c8270bf6dfc1feedc4a7738b832469f43d9381941

      SHA512

      c7dcc9eb13d5a2bd370f596464e0ac64418b11234ccac3cfcd337dbb17b283cc9ae93e28d823c9c25669cdeb8e0664d9b38e9dd263906daadc596ab2de1bd3ff

    • C:\Windows\system32\drivers\etc\hosts

      Filesize

      832B

      MD5

      7e3a0edd0c6cd8316f4b6c159d5167a1

      SHA1

      753428b4736ffb2c9e3eb50f89255b212768c55a

      SHA256

      1965854dfa54c72529c88c7d9f41fa31b4140cad04cf03d3f0f2e7601fcbdc6c

      SHA512

      9c68f7f72dfa109fcfba6472a1cced85bc6c2a5481232c6d1d039c88b2f65fb86070aeb26ac23e420c6255daca02ea6e698892f7670298d2c4f741b9e9415c7f

    • F:\$RECYCLE.BIN\S-1-5-21-2703099537-420551529-3771253338-1000\_desktop.ini

      Filesize

      9B

      MD5

      e2a14c19421b289cbd51a76363b166bd

      SHA1

      5d0621d68da5a444f49c090b0725c7044d47fdb7

      SHA256

      844af243be560dc4e478aa7ea28f4959f9df45f204006bade7ae52398d651835

      SHA512

      8c49bec05605c4d2b8f07f00a7a39e70f5bd4f7c84ba221c615447f947053bf3bb0496c38e2bf8b15235c493cc5a0b41f34285fed1adb4c13572f25b67e178e5

    • memory/1264-31-0x0000000002540000-0x0000000002541000-memory.dmp

      Filesize

      4KB

    • memory/2264-18-0x0000000001C90000-0x0000000001CCE000-memory.dmp

      Filesize

      248KB

    • memory/2264-19-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/2264-1-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/2264-20-0x0000000001C90000-0x0000000001CCE000-memory.dmp

      Filesize

      248KB

    • memory/2796-35-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/2796-21-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/2796-2964-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/2796-4144-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB