Analysis

  • max time kernel
    117s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    03-09-2023 11:55

General

  • Target

    Panda Regedit/Panda_System.exe

  • Size

    52KB

  • MD5

    c8d127e6c857f185024aca7723f51b75

  • SHA1

    d2f5f3393958b6d500619ff4a0e2dd9bfe582ff5

  • SHA256

    03e57f5f5c6b391006c256fe071ce7154048726e7ac3c692418bb8f14fe94317

  • SHA512

    9b0c187f8bcf8168a18779bf509aa53b63f70e3151fc1f96eb1093dfd42b07ecb87d95c439af407d14ad0a2c546c317dde69997439d0465ddcb66c9402242d6b

  • SSDEEP

    768:XscGoApPJOJTwfDuZwe2WTjxAKZKfgm3EhW7liUpuhXQOOhl:8c8PQALe2WTSF7EI7YooQOOh

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discord.com/api/webhooks/960950114506137713/2VnEvTnRUjX3Q7jSvAeHvgUeWoeWrHD-r2E7c3d8XPPxFaj_tSm0MlikzmnIxO4nnsn0

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 4 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.

  • Program crash 1 IoCs
  • 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\Panda Regedit\Panda_System.exe
    "C:\Users\Admin\AppData\Local\Temp\Panda Regedit\Panda_System.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:1436
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 1436 -s 1756
      2⤵
      • Program crash
      PID:1604

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    344B

    MD5

    ec83d03f4859c797c8456f40f6d00a48

    SHA1

    34a699991eda431d146f18279edf5cfbddb084ef

    SHA256

    173045d721b84a7bfd0f765e811cb609a9aa89519946701bb7114071dc9bcc80

    SHA512

    aaae7f9e245672e50ba29638eee02d0e9199442f4d6c9c7e55970e00af34e759ffb18446699199685433e6f967ac90e6fbe8fdef8df4809bb371b2aee8937f55

  • C:\Users\Admin\AppData\Local\Temp\Cab35B2.tmp

    Filesize

    61KB

    MD5

    f3441b8572aae8801c04f3060b550443

    SHA1

    4ef0a35436125d6821831ef36c28ffaf196cda15

    SHA256

    6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

    SHA512

    5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

  • C:\Users\Admin\AppData\Local\Temp\Tar369F.tmp

    Filesize

    163KB

    MD5

    9441737383d21192400eca82fda910ec

    SHA1

    725e0d606a4fc9ba44aa8ffde65bed15e65367e4

    SHA256

    bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5

    SHA512

    7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf

  • memory/1436-0-0x0000000001190000-0x00000000011A2000-memory.dmp

    Filesize

    72KB

  • memory/1436-1-0x000007FEF5550000-0x000007FEF5F3C000-memory.dmp

    Filesize

    9.9MB

  • memory/1436-2-0x000000001B0D0000-0x000000001B150000-memory.dmp

    Filesize

    512KB

  • memory/1436-82-0x000007FEF5550000-0x000007FEF5F3C000-memory.dmp

    Filesize

    9.9MB

  • memory/1436-83-0x000000001B0D0000-0x000000001B150000-memory.dmp

    Filesize

    512KB