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Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    31/12/2023, 14:25

General

  • Target

    39c39551d8e303c5cfeae5a5578caca8.exe

  • Size

    41KB

  • MD5

    39c39551d8e303c5cfeae5a5578caca8

  • SHA1

    310e4068365562cca6c1d4c977646dd8bee5a6ce

  • SHA256

    a02c98421b1b97d3a1d71265382a568174bb9d7102d403e7ea8d30f410f10995

  • SHA512

    558e1ad709cd9ece53111c9bef2d562a9202f1858930e23c10ebb53d74682f3cd97afa03949ced09b4f740ad6c4085419beff02e1b5ef8b8a6eb9bce18c096e4

  • SSDEEP

    768:1scG4A07Q+SDzcwGuZheIkWTjqKZKfgm3Eh0y:icBQ+iNeIkWTmF7Eay

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discord.com/api/webhooks/870989634480533574/j40DB57MdDja9eYV-8VNs5wn3Bp9tyYjFGBFC6xEdCMdgSqWpFKD6UNszrGRuiuuQvhi

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.

  • 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.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\39c39551d8e303c5cfeae5a5578caca8.exe
    "C:\Users\Admin\AppData\Local\Temp\39c39551d8e303c5cfeae5a5578caca8.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)
    • Enumerates system info in registry
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    PID:3044

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    344B

    MD5

    525ef0a5041a02b730ada3d3fc271fc8

    SHA1

    60ff35554a17721e162c0e7ef044fe2c371517f1

    SHA256

    8ec45254468136ab013671b1a565b53bccc6ddc2858b9ce9780aa81e5d952b1e

    SHA512

    a8c856f37f2ff2b818e189ffc64a06f02872e2bcc7a58f0753b6efd9b02e3315d28f1ea3824d20cf4322be894c416eb9cc7792f21cd38d02416aaa3216b5fc13

  • C:\Users\Admin\AppData\Local\Temp\Cab455C.tmp

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\Tar4DF6.tmp

    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • memory/3044-0-0x0000000000330000-0x0000000000340000-memory.dmp

    Filesize

    64KB

  • memory/3044-1-0x000007FEF6220000-0x000007FEF6C0C000-memory.dmp

    Filesize

    9.9MB

  • memory/3044-2-0x0000000000650000-0x00000000006D0000-memory.dmp

    Filesize

    512KB

  • memory/3044-64-0x000007FEF6220000-0x000007FEF6C0C000-memory.dmp

    Filesize

    9.9MB