Analysis

  • max time kernel
    118s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    20-12-2023 14:53

General

  • Target

    ce2cc52f1430fdd781fee6d56f9ef0da.exe

  • Size

    42KB

  • MD5

    ce2cc52f1430fdd781fee6d56f9ef0da

  • SHA1

    018f46d2dfe19dbac14d87d92293632884b80aed

  • SHA256

    7a17b926ef20cf28672662b69d36b032f3c6f44cd5158d320eba50192ab88f94

  • SHA512

    4250e68cffbacbf5e4ba4b426e4817f20bf5010a1ec089c8c20e01f04cc86a732f68b7733cdacb4700ddf0a7624154336f73913ae12756737827ab66d317bef4

  • SSDEEP

    384:lvvK5R+d2Z6AdbABlUDCA/XTNTWZs/XZxIh/WoJEFq5nmsHTAstaKQsLd/SfgUf4:hYszA/jNYuZILxHTjtaKZKfgm3EhCG

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discord.com/api/webhooks/896812104387010570/256TN9e_70eIdHEeSh3WNujkSILxnuIM2jsTHZAf3U0G7DX8fijOGjwKzMwW4TsCrLv1

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.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • 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\ce2cc52f1430fdd781fee6d56f9ef0da.exe
    "C:\Users\Admin\AppData\Local\Temp\ce2cc52f1430fdd781fee6d56f9ef0da.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:2204
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 2204 -s 1812
      2⤵
        PID:1508

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      344B

      MD5

      83e392b52255845ae776c8f5e0634940

      SHA1

      06be4b0a5d527f2befbbe0bbab0f4922ad8c38b1

      SHA256

      63ee22bca1ea30940e5bd1618f433f871d9f25d758e1e36f8fc13f57531aa053

      SHA512

      8d3af864910741a389c68bfa0c079fe2fc56632df78b0546d796f89bd97ba7281c6358674040d99f952723d148534c17eff21e9ba7d6dea0c48cc17ba8c4de63

    • C:\Users\Admin\AppData\Local\Temp\Cab65B7.tmp

      Filesize

      65KB

      MD5

      ac05d27423a85adc1622c714f2cb6184

      SHA1

      b0fe2b1abddb97837ea0195be70ab2ff14d43198

      SHA256

      c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

      SHA512

      6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

    • C:\Users\Admin\AppData\Local\Temp\Tar6676.tmp

      Filesize

      171KB

      MD5

      9c0c641c06238516f27941aa1166d427

      SHA1

      64cd549fb8cf014fcd9312aa7a5b023847b6c977

      SHA256

      4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

      SHA512

      936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

    • memory/2204-0-0x0000000000E50000-0x0000000000E60000-memory.dmp

      Filesize

      64KB

    • memory/2204-1-0x000007FEF5CC0000-0x000007FEF66AC000-memory.dmp

      Filesize

      9.9MB

    • memory/2204-2-0x000000001AEB0000-0x000000001AF30000-memory.dmp

      Filesize

      512KB

    • memory/2204-74-0x000007FEF5CC0000-0x000007FEF66AC000-memory.dmp

      Filesize

      9.9MB

    • memory/2204-75-0x000000001AEB0000-0x000000001AF30000-memory.dmp

      Filesize

      512KB