Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    20-03-2024 08:45

General

  • Target

    d8611f39a130b7af1059ede93d87c6c3.exe

  • Size

    142KB

  • MD5

    d8611f39a130b7af1059ede93d87c6c3

  • SHA1

    7dda66a86aac5de4407af05b74f1b9d26bbe9096

  • SHA256

    a433817a5354dfec6a8da2859811f0d98acb7c40bd79edfa66a65c1ac7b80772

  • SHA512

    cd790a5a0b6d208872ca0edf8d62f6a465c0cb61774f2370fdb7ed8b523955a545f7b3f31280c17e2cde6c791b459dd3a3c32b64a0d5eaec44a03d8db61ff67e

  • SSDEEP

    3072:RS5nrDUBktqZZZZZZXCCCCCCQIrrrrrr3oeeKxm6x6x60r5547ccKWMM+IananoH:eyLCCCCCCQIrrrrrr3oeeKxm6x6x60rt

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discord.com/api/webhooks/873400650296336434/khJM9vsUDUeXdkblOk1P_tk_nDPF5eALKwlzCZ_7DEre5OkQOAOiKoizYNqFiEql43jh

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 3 IoCs
  • 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d8611f39a130b7af1059ede93d87c6c3.exe
    "C:\Users\Admin\AppData\Local\Temp\d8611f39a130b7af1059ede93d87c6c3.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:2200
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 2200 -s 1896
      2⤵
        PID:1236

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      67KB

      MD5

      753df6889fd7410a2e9fe333da83a429

      SHA1

      3c425f16e8267186061dd48ac1c77c122962456e

      SHA256

      b42dc237e44cbc9a43400e7d3f9cbd406dbdefd62bfe87328f8663897d69df78

      SHA512

      9d56f79410ad0cf852c74c3ef9454e7ae86e80bdd6ff67773994b48ccac71142bcf5c90635da6a056e1406e81e64674db9584928e867c55b77b59e2851cf6444

    • C:\Users\Admin\AppData\Local\Temp\Cab3F72.tmp

      Filesize

      65KB

      MD5

      ac05d27423a85adc1622c714f2cb6184

      SHA1

      b0fe2b1abddb97837ea0195be70ab2ff14d43198

      SHA256

      c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

      SHA512

      6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

    • C:\Users\Admin\AppData\Local\Temp\Tar40C1.tmp

      Filesize

      175KB

      MD5

      dd73cead4b93366cf3465c8cd32e2796

      SHA1

      74546226dfe9ceb8184651e920d1dbfb432b314e

      SHA256

      a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22

      SHA512

      ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

    • memory/2200-0-0x0000000000CF0000-0x0000000000D18000-memory.dmp

      Filesize

      160KB

    • memory/2200-1-0x000007FEF5D70000-0x000007FEF675C000-memory.dmp

      Filesize

      9.9MB

    • memory/2200-2-0x0000000000250000-0x0000000000278000-memory.dmp

      Filesize

      160KB

    • memory/2200-3-0x000000001AC80000-0x000000001AD00000-memory.dmp

      Filesize

      512KB

    • memory/2200-92-0x000007FEF5D70000-0x000007FEF675C000-memory.dmp

      Filesize

      9.9MB

    • memory/2200-93-0x000000001AC80000-0x000000001AD00000-memory.dmp

      Filesize

      512KB