Analysis

  • max time kernel
    91s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-11-2024 01:18

General

  • Target

    sex.exe

  • Size

    41KB

  • MD5

    dca440cb77eeabd180321795d511bc27

  • SHA1

    47114030cca9b7a87af67563c6adeb1cf3027d56

  • SHA256

    b52046bcf09b6996ddb61204d36de67ea0c9b7f25ccde4415a0f0fa2afb3c134

  • SHA512

    31f79968e769abd3e59db805b8364a1f3dbe0d6d8f3073769b91ddceb48311e26ca92537f6801ef74b7f36b3432065cee4a5731df26e1e2fa77d2633f43bb553

  • SSDEEP

    768:qO+85OKI0g/1NfuZTLeITjzKZKfgm3Ehk6:jUKLeITvF7ES6

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discord.com/api/webhooks/1299876780768755785/wmHYoVqwhxr9ehehEcQjNJFMWBvivbpl5_s6oQXGd22T4WS08YH2jX36Ah1D4iXWz4G0

Signatures

  • Mercurial Grabber Stealer

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

  • Mercurialgrabber family
  • Reads user/profile data of web browsers 3 TTPs

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

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 6 IoCs
  • Looks up external IP address via web service 2 IoCs

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

  • Checks SCSI registry key(s) 3 TTPs 6 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.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 9 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\sex.exe
    "C:\Users\Admin\AppData\Local\Temp\sex.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious use of AdjustPrivilegeToken
    PID:1864
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /4
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:2664
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /4
    1⤵
    • Checks SCSI registry key(s)
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    PID:3056
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:4748

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\D3DSCache\e8010882af4f153f\F4EB2D6C-ED2B-4BDD-AD9D-F913287E6768.idx

      Filesize

      64KB

      MD5

      d2fb266b97caff2086bf0fa74eddb6b2

      SHA1

      2f0061ce9c51b5b4fbab76b37fc6a540be7f805d

      SHA256

      b09f68b61d9ff5a7c7c8b10eee9447d4813ee0e866346e629e788cd4adecb66a

      SHA512

      c3ba95a538c1d266beb83334af755c34ce642a4178ab0f2e5f7822fd6821d3b68862a8b58f167a9294e6d913b08c1054a69b5d7aec2efdb3cf9796ed84de21a8

    • C:\Users\Admin\AppData\Local\D3DSCache\e8010882af4f153f\F4EB2D6C-ED2B-4BDD-AD9D-F913287E6768.lock

      Filesize

      4B

      MD5

      f49655f856acb8884cc0ace29216f511

      SHA1

      cb0f1f87ec0455ec349aaa950c600475ac7b7b6b

      SHA256

      7852fce59c67ddf1d6b8b997eaa1adfac004a9f3a91c37295de9223674011fba

      SHA512

      599e93d25b174524495ed29653052b3590133096404873318f05fd68f4c9a5c9a3b30574551141fbb73d7329d6be342699a17f3ae84554bab784776dfda2d5f8

    • C:\Users\Admin\AppData\Local\D3DSCache\e8010882af4f153f\F4EB2D6C-ED2B-4BDD-AD9D-F913287E6768.val

      Filesize

      944B

      MD5

      6bd369f7c74a28194c991ed1404da30f

      SHA1

      0f8e3f8ab822c9374409fe399b6bfe5d68cbd643

      SHA256

      878947d0ec814fe7c343cdebc05eebf00eb14f3023bdb3809a559e17f399fe5d

      SHA512

      8fc5f073dc9fa1e1ae47c60a5f06e0a48709fd6a4302dffaa721858409e7bde64bc6856d3fb28891090516d1a7afc542579de287778b5755eafe75cc67d45d93

    • memory/1864-0-0x0000000000900000-0x0000000000910000-memory.dmp

      Filesize

      64KB

    • memory/1864-1-0x00007FFCFD083000-0x00007FFCFD085000-memory.dmp

      Filesize

      8KB

    • memory/1864-2-0x00007FFCFD080000-0x00007FFCFDB41000-memory.dmp

      Filesize

      10.8MB

    • memory/1864-16-0x00007FFCFD080000-0x00007FFCFDB41000-memory.dmp

      Filesize

      10.8MB

    • memory/2664-9-0x0000019083830000-0x0000019083831000-memory.dmp

      Filesize

      4KB

    • memory/2664-5-0x0000019083830000-0x0000019083831000-memory.dmp

      Filesize

      4KB

    • memory/2664-14-0x0000019083830000-0x0000019083831000-memory.dmp

      Filesize

      4KB

    • memory/2664-13-0x0000019083830000-0x0000019083831000-memory.dmp

      Filesize

      4KB

    • memory/2664-11-0x0000019083830000-0x0000019083831000-memory.dmp

      Filesize

      4KB

    • memory/2664-12-0x0000019083830000-0x0000019083831000-memory.dmp

      Filesize

      4KB

    • memory/2664-10-0x0000019083830000-0x0000019083831000-memory.dmp

      Filesize

      4KB

    • memory/2664-4-0x0000019083830000-0x0000019083831000-memory.dmp

      Filesize

      4KB

    • memory/2664-3-0x0000019083830000-0x0000019083831000-memory.dmp

      Filesize

      4KB

    • memory/2664-15-0x0000019083830000-0x0000019083831000-memory.dmp

      Filesize

      4KB

    • memory/3056-21-0x0000019DC3280000-0x0000019DC3281000-memory.dmp

      Filesize

      4KB

    • memory/3056-23-0x0000019DC3280000-0x0000019DC3281000-memory.dmp

      Filesize

      4KB

    • memory/3056-22-0x0000019DC3280000-0x0000019DC3281000-memory.dmp

      Filesize

      4KB

    • memory/3056-28-0x0000019DC3280000-0x0000019DC3281000-memory.dmp

      Filesize

      4KB

    • memory/3056-33-0x0000019DC3280000-0x0000019DC3281000-memory.dmp

      Filesize

      4KB

    • memory/3056-32-0x0000019DC3280000-0x0000019DC3281000-memory.dmp

      Filesize

      4KB

    • memory/3056-31-0x0000019DC3280000-0x0000019DC3281000-memory.dmp

      Filesize

      4KB

    • memory/3056-30-0x0000019DC3280000-0x0000019DC3281000-memory.dmp

      Filesize

      4KB

    • memory/3056-29-0x0000019DC3280000-0x0000019DC3281000-memory.dmp

      Filesize

      4KB