Analysis

  • max time kernel
    122s
  • max time network
    157s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    27-12-2023 03:00

General

  • Target

    9f08110869579ebf74396c174b2da01d.exe

  • Size

    42KB

  • MD5

    9f08110869579ebf74396c174b2da01d

  • SHA1

    daa713676652b5fb2f5c3b42983b9140c102f91f

  • SHA256

    82282111d091f5e590a93d58df04fdca473877ab9b17ac8cbda1de1da23f9f2c

  • SHA512

    7cb7391ab5ce84d8db1ba2c0216f70b9415e47f39abed9ba1a34daacd837559beda7b4bf032477d808e4e04a30f832101c3164bffda16c5ee322cf8eb71174f3

  • SSDEEP

    384:PUPnsRk5X2rh3APlKOCh/XTNTW0s/XZxIh/XoJEFq5nmoqTAs4KQsLd/SfgUfAGH:PjAWh/jNJuZpLJqTj4KZKfgm3Eh6So

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discordapp.com/api/webhooks/869112850830983269/6FXnaXZDgBG89Vk260RUMRdMPPOUG3htIyG_t8gpZ3RgtzEY9xSUVCMtQFK6Lc7tS8OC

Signatures

  • Mercurial Grabber Stealer

    Mercurial Grabber is an open source stealer targeting Chrome, Discord and some game clients as well as generic system information.

  • Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
  • Looks for VMWare Tools registry key 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 1 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Looks up external IP address via web service 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Checks SCSI registry key(s) 3 TTPs 1 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 4 IoCs
  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9f08110869579ebf74396c174b2da01d.exe
    "C:\Users\Admin\AppData\Local\Temp\9f08110869579ebf74396c174b2da01d.exe"
    1⤵
    • Looks for VirtualBox Guest Additions in registry
    • Looks for VMWare Tools registry key
    • Checks BIOS information in registry
    • Maps connected drives based on registry
    • Checks SCSI registry key(s)
    • Checks processor information in registry
    • Enumerates system info in registry
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2980
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 2980 -s 1808
      2⤵
        PID:576

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

      Filesize

      344B

      MD5

      e665faa558674176ddc563e25cd82617

      SHA1

      d1685c18fccad23ba7632eb94d792bfaa97297f3

      SHA256

      9dceac338620cea6126b020acc4de4b5855eef5242feb84e44c3de3d58d2253c

      SHA512

      66b8bdc0165e8ba7883a578d4d66a5d4c49972dc021418aa0d83417ad9c18ff7cc15d2cbe373d6288b663917f77e92ee633af9168057866c57c5ab16086a6d81

    • C:\Users\Admin\AppData\Local\Temp\Cab4FF6.tmp

      Filesize

      65KB

      MD5

      ac05d27423a85adc1622c714f2cb6184

      SHA1

      b0fe2b1abddb97837ea0195be70ab2ff14d43198

      SHA256

      c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

      SHA512

      6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

    • C:\Users\Admin\AppData\Local\Temp\Tar50D4.tmp

      Filesize

      171KB

      MD5

      9c0c641c06238516f27941aa1166d427

      SHA1

      64cd549fb8cf014fcd9312aa7a5b023847b6c977

      SHA256

      4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

      SHA512

      936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

    • memory/2980-0-0x00000000002B0000-0x00000000002C0000-memory.dmp

      Filesize

      64KB

    • memory/2980-1-0x000007FEF5C10000-0x000007FEF65FC000-memory.dmp

      Filesize

      9.9MB

    • memory/2980-2-0x000000001ADD0000-0x000000001AE50000-memory.dmp

      Filesize

      512KB

    • memory/2980-47-0x000007FEF5C10000-0x000007FEF65FC000-memory.dmp

      Filesize

      9.9MB

    • memory/2980-75-0x000000001ADD0000-0x000000001AE50000-memory.dmp

      Filesize

      512KB