Analysis

  • max time kernel
    41s
  • max time network
    47s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 12:22

General

  • Target

    17c14d382c351dda056074ebd1b96e747e27dfa212e7355f69d4ede4972ad5ff.exe

  • Size

    4.2MB

  • MD5

    66d8b4448858fc37bbbc0eb156f7a3bc

  • SHA1

    dc871809045d97ed0a55ddd8d2c5017a55d4dd39

  • SHA256

    17c14d382c351dda056074ebd1b96e747e27dfa212e7355f69d4ede4972ad5ff

  • SHA512

    9f9dbeda485a66778042ccf92053d9a81aa978befb886ed546a249fa01b53023e4cae00226b0145cc814acd4d512e1c9baf261b688e7ea7f7d04b5fc6acd10b8

  • SSDEEP

    49152:C+kmxHJOgH/XnjMZ1A0wyuunfwZU5BcumPq6HvrZpCw/PMtn8NE3I9HlkE:CZma4X0Judqov1pvPMtEE3Iha

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 3 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 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\17c14d382c351dda056074ebd1b96e747e27dfa212e7355f69d4ede4972ad5ff.exe
    "C:\Users\Admin\AppData\Local\Temp\17c14d382c351dda056074ebd1b96e747e27dfa212e7355f69d4ede4972ad5ff.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:804
    • C:\Windows\SysWOW64\regsvr32.exe
      regsvr32.exe /s "C:\Program Files (x86)\GoSave\5GkiG0jlhPKDim.x64.dll"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1028
      • C:\Windows\system32\regsvr32.exe
        /s "C:\Program Files (x86)\GoSave\5GkiG0jlhPKDim.x64.dll"
        3⤵
        • Registers COM server for autorun
        • Loads dropped DLL
        • Installs/modifies Browser Helper Object
        • Modifies Internet Explorer settings
        • Modifies registry class
        PID:320

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Program Files (x86)\GoSave\5GkiG0jlhPKDim.dat

    Filesize

    4KB

    MD5

    c63e8e6a5d505832f154f7955ef252f3

    SHA1

    eff62968341db7e19e716820e4065a7f24786e80

    SHA256

    1cf8119b6d87a0522c9d142903c55f4d16de6bf3f8495e6d97cc54afa1b62756

    SHA512

    b9c6cf8aa1725be2d01399a878cd37a8ff91420e497244ab8f39bae2b49c023cacabe595985c67b6f98b58fac49cc3bd2c42c500241ff15b4deecb0cd6036e6b

  • C:\Program Files (x86)\GoSave\5GkiG0jlhPKDim.tlb

    Filesize

    3KB

    MD5

    6bdd6ba23e0c129c5b4fa1a141aa21f6

    SHA1

    beef025f5611f84ce53f24e58435f070f92c064f

    SHA256

    14f706e58b4e332e1bc9b6fc6c650097db6e0ea91ac7ad0064aba01832ddd990

    SHA512

    828d9f58efd731252209ea1ed7d092c9e88190b81272fa704c8cb963f5f9d91172610b90e0bce763c0f5207b10d67d0fc4eb31294fd89dde2a260a19d324bc1b

  • C:\Program Files (x86)\GoSave\5GkiG0jlhPKDim.x64.dll

    Filesize

    882KB

    MD5

    0827270a2d7dca4230839de0511d4280

    SHA1

    264ce2775315b06a37cd51d7152df58e29a11b60

    SHA256

    6863740f9ed110fbf10ef18b8732ada23f4db42e998214ed97a09f5fbdd7571b

    SHA512

    d1bf285d6b084920c8d03170cc317939a6a5a3c8b67f71064478fc02feba512a1bffe7f10da424efd6441e61933af777b70c5ace4dce582a0b2bd3a02bdc76c4

  • \Program Files (x86)\GoSave\5GkiG0jlhPKDim.dll

    Filesize

    750KB

    MD5

    a1e5276fa264891a2394cfb992fef753

    SHA1

    3fc9b45acb1feaf1799f70cf93a965221ffe492e

    SHA256

    7d25cce7e647fbee7c157d7cad8b3a12abb66fa3b992adfede9de78687b69838

    SHA512

    ded2b69d13d0f6dd0b7f1fb0b6e8dd0ff1e6705ef5ecae284421826b630de43f0fc7c7783c3246c9fe31dedf07e35e3051366abcc666dec7ff6fe06416c62fcd

  • \Program Files (x86)\GoSave\5GkiG0jlhPKDim.x64.dll

    Filesize

    882KB

    MD5

    0827270a2d7dca4230839de0511d4280

    SHA1

    264ce2775315b06a37cd51d7152df58e29a11b60

    SHA256

    6863740f9ed110fbf10ef18b8732ada23f4db42e998214ed97a09f5fbdd7571b

    SHA512

    d1bf285d6b084920c8d03170cc317939a6a5a3c8b67f71064478fc02feba512a1bffe7f10da424efd6441e61933af777b70c5ace4dce582a0b2bd3a02bdc76c4

  • \Program Files (x86)\GoSave\5GkiG0jlhPKDim.x64.dll

    Filesize

    882KB

    MD5

    0827270a2d7dca4230839de0511d4280

    SHA1

    264ce2775315b06a37cd51d7152df58e29a11b60

    SHA256

    6863740f9ed110fbf10ef18b8732ada23f4db42e998214ed97a09f5fbdd7571b

    SHA512

    d1bf285d6b084920c8d03170cc317939a6a5a3c8b67f71064478fc02feba512a1bffe7f10da424efd6441e61933af777b70c5ace4dce582a0b2bd3a02bdc76c4

  • memory/320-65-0x0000000000000000-mapping.dmp

  • memory/320-66-0x000007FEFB991000-0x000007FEFB993000-memory.dmp

    Filesize

    8KB

  • memory/804-54-0x0000000074D71000-0x0000000074D73000-memory.dmp

    Filesize

    8KB

  • memory/804-55-0x0000000000840000-0x000000000090A000-memory.dmp

    Filesize

    808KB

  • memory/1028-61-0x0000000000000000-mapping.dmp