Analysis

  • max time kernel
    183s
  • max time network
    190s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-11-2022 08:22

General

  • Target

    1d4cd66e02af223094ce705d9f40e5da4e74bf3cb9098667c0fe5def28b6efd0.exe

  • Size

    4.2MB

  • MD5

    6371da6e6d91434bb5b6b6d79625bb55

  • SHA1

    531e4b220678dd9dda65d072c5b71d4d4bc44db5

  • SHA256

    1d4cd66e02af223094ce705d9f40e5da4e74bf3cb9098667c0fe5def28b6efd0

  • SHA512

    293f48c8ae76ae93b2d15ca42b13d425bca5dd0faad8e0376c168a5dcee3f0a24625b9530c7f14f8bdadd42cb9f6476dd8523709c1aafe6d20506c8b9971f826

  • SSDEEP

    98304:WIyGqt6UT0kSHaRxfyDIIbYJ372FeXKqyG+kevFrmKg:WOA0ARxfykkFZ

Malware Config

Signatures

  • Registers COM server for autorun 1 TTPs 4 IoCs
  • Loads dropped DLL 3 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops Chrome extension 5 IoCs
  • Installs/modifies Browser Helper Object 2 TTPs 8 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Drops file in System32 directory 4 IoCs
  • Drops file in Program Files directory 8 IoCs
  • Modifies Internet Explorer settings 1 TTPs 8 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1d4cd66e02af223094ce705d9f40e5da4e74bf3cb9098667c0fe5def28b6efd0.exe
    "C:\Users\Admin\AppData\Local\Temp\1d4cd66e02af223094ce705d9f40e5da4e74bf3cb9098667c0fe5def28b6efd0.exe"
    1⤵
    • Loads dropped DLL
    • Drops Chrome extension
    • Installs/modifies Browser Helper Object
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:3836
    • C:\Windows\SysWOW64\regsvr32.exe
      regsvr32.exe /s "C:\Program Files (x86)\SmartOnes\qk2ItZ4dT5JjSp.x64.dll"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:4840
      • C:\Windows\system32\regsvr32.exe
        /s "C:\Program Files (x86)\SmartOnes\qk2ItZ4dT5JjSp.x64.dll"
        3⤵
        • Registers COM server for autorun
        • Loads dropped DLL
        • Installs/modifies Browser Helper Object
        • Modifies Internet Explorer settings
        • Modifies registry class
        PID:2624
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
    1⤵
      PID:2908
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
      1⤵
        PID:2116

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Program Files (x86)\SmartOnes\qk2ItZ4dT5JjSp.dat

        Filesize

        3KB

        MD5

        ff7226b0f5c49ccf24432a8e96ceb02e

        SHA1

        65f3d25be7cdda9a9a670745f4f9550a8cf8148f

        SHA256

        3d5c4f5cfa37706b71e9027c61154f51ea319dec6a4f7aa0f46d66948f39accc

        SHA512

        9b376160f9f48ab1592cfa93fe5f2b3f86483335852c70bad99f5a9616baea4d0a18ba94f66f528f3d0498989b0f57a83bbc962247d0a329bffab2a480458eaa

      • C:\Program Files (x86)\SmartOnes\qk2ItZ4dT5JjSp.dll

        Filesize

        744KB

        MD5

        211ab5ec38ee0ed680e1b90b37916d5b

        SHA1

        5a8f6d8b08d6ebffd28608766fe73660fe00a781

        SHA256

        c5de64a026df3c1275ea3e50b3565b8cfc4d17b09eb958a23bcc29557589b409

        SHA512

        451ee835b2caed20a57529059a9e434b8e9139c45a579cc3d6693c1af5b516d3580abcd94370e916ff9a11e5cb859cee4a1dbbab943909d2a77fbc68a200a125

      • C:\Program Files (x86)\SmartOnes\qk2ItZ4dT5JjSp.tlb

        Filesize

        3KB

        MD5

        0d2aeb4f00b6579ca162c9a79f104dba

        SHA1

        fbc3019106417014ba01e5703e2729496feb6c39

        SHA256

        4cbe20901caaa5ec47de0c8e5d5333d219bbc51dadf3ad02083b21a2350fd283

        SHA512

        083c3b7ec8a01d78880349c2de635e70bc45db1523c6e9962f4d687bd15705b28a4001afd48e7be60e34ab7c2a8bf62ff1b91404c38202cfb51fd7df449e124e

      • C:\Program Files (x86)\SmartOnes\qk2ItZ4dT5JjSp.x64.dll

        Filesize

        874KB

        MD5

        1dc66c50cea34da91b5e917e0157ff0d

        SHA1

        c7ddb2f9d46f1836d7368434db0131619f5e7c08

        SHA256

        19627221bde386227801b307cb903837ce957f1aa6194ec8bfc7b180434f41d0

        SHA512

        48e4c5a2603ba68aaa87d03fc1fbd5c9c672c3e3b9c50178a8f00e6296ae8d14ee6bf043c6bdca49f728f1ebda156007902af628af0a41760de22c8204453fef

      • C:\Program Files (x86)\SmartOnes\qk2ItZ4dT5JjSp.x64.dll

        Filesize

        874KB

        MD5

        1dc66c50cea34da91b5e917e0157ff0d

        SHA1

        c7ddb2f9d46f1836d7368434db0131619f5e7c08

        SHA256

        19627221bde386227801b307cb903837ce957f1aa6194ec8bfc7b180434f41d0

        SHA512

        48e4c5a2603ba68aaa87d03fc1fbd5c9c672c3e3b9c50178a8f00e6296ae8d14ee6bf043c6bdca49f728f1ebda156007902af628af0a41760de22c8204453fef

      • C:\Program Files (x86)\SmartOnes\qk2ItZ4dT5JjSp.x64.dll

        Filesize

        874KB

        MD5

        1dc66c50cea34da91b5e917e0157ff0d

        SHA1

        c7ddb2f9d46f1836d7368434db0131619f5e7c08

        SHA256

        19627221bde386227801b307cb903837ce957f1aa6194ec8bfc7b180434f41d0

        SHA512

        48e4c5a2603ba68aaa87d03fc1fbd5c9c672c3e3b9c50178a8f00e6296ae8d14ee6bf043c6bdca49f728f1ebda156007902af628af0a41760de22c8204453fef

      • memory/2624-141-0x0000000000000000-mapping.dmp

      • memory/3836-132-0x00000000035E0000-0x00000000036AB000-memory.dmp

        Filesize

        812KB

      • memory/4840-138-0x0000000000000000-mapping.dmp