Analysis

  • max time kernel
    152s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220721-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/08/2022, 22:16

General

  • Target
    A9F400B739DB381FA4D0EE9DBDA0829407400033B2D5A.exe
  • Size 292KB
  • Sample220808-16r33sghbl
  • SHA256 a9f400b739db381fa4d0ee9dbda0829407400033b2d5a541b528a6577492f07b
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • raccoon

Botnet
  • afb5c633c4650f69312baef49db9dfa4

C2
  • http://77.73.132.74

rc4.plain

Extracted

Family
  • socelars

C2
  • https://hueduy.s3.eu-west-1.amazonaws.com/gdyhf805/

Signatures

  • Raccoon

    Raccoon is an infostealer written in C++ and first seen in 2019.

  • Raccoon Stealer payload 3 IoCs
  • Socelars

    Socelars is an infostealer targeting browser cookies and credit card credentials.

  • Socelars payload 2 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 7 IoCs
  • VMProtect packed file 3 IoCs

    Detects executables packed with VMProtect commercial packer.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Uses the VBS compiler for execution 1 TTPs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Looks up external IP address via web service 1 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 10 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Program crash 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Kills process with taskkill 1 IoCs
  • Script User-Agent 1 IoCs

    Uses user-agent string associated with script host/environment.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 55 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\A9F400B739DB381FA4D0EE9DBDA0829407400033B2D5A.exe
    "C:\Users\Admin\AppData\Local\Temp\A9F400B739DB381FA4D0EE9DBDA0829407400033B2D5A.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:3256
  • C:\Users\Admin\AppData\Local\Temp\5563.exe
    C:\Users\Admin\AppData\Local\Temp\5563.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2620
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
      2⤵
        PID:3096
    • C:\Users\Admin\AppData\Local\Temp\6737.exe
      C:\Users\Admin\AppData\Local\Temp\6737.exe
      1⤵
      • Executes dropped EXE
      PID:800
    • C:\Users\Admin\AppData\Local\Temp\6DEA.exe
      C:\Users\Admin\AppData\Local\Temp\6DEA.exe
      1⤵
      • Executes dropped EXE
      PID:1000
    • C:\Users\Admin\AppData\Local\Temp\8490.exe
      C:\Users\Admin\AppData\Local\Temp\8490.exe
      1⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2264
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c taskkill /f /im chrome.exe
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1468
        • C:\Windows\SysWOW64\taskkill.exe
          taskkill /f /im chrome.exe
          3⤵
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:4132
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4476
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=89.0.4389.114 --initial-client-data=0xfc,0x100,0x104,0x90,0x108,0x7ff8dc034f50,0x7ff8dc034f60,0x7ff8dc034f70
          3⤵
            PID:4364
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --field-trial-handle=1632,1666517592235228673,14841364798214600024,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1660 /prefetch:2
            3⤵
              PID:4928
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=1632,1666517592235228673,14841364798214600024,131072 --lang=en-US --service-sandbox-type=network --mojo-platform-channel-handle=2016 /prefetch:8
              3⤵
                PID:4804
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=1632,1666517592235228673,14841364798214600024,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2276 /prefetch:8
                3⤵
                  PID:4440
            • C:\Users\Admin\AppData\Local\Temp\9644.exe
              C:\Users\Admin\AppData\Local\Temp\9644.exe
              1⤵
              • Executes dropped EXE
              PID:3556
              • C:\Windows\system32\WerFault.exe
                C:\Windows\system32\WerFault.exe -u -p 3556 -s 848
                2⤵
                • Program crash
                PID:2088
            • C:\Windows\system32\WerFault.exe
              C:\Windows\system32\WerFault.exe -pss -s 428 -p 3556 -ip 3556
              1⤵
                PID:260
              • C:\Users\Admin\AppData\Local\Temp\A2F7.exe
                C:\Users\Admin\AppData\Local\Temp\A2F7.exe
                1⤵
                • Executes dropped EXE
                • Checks computer location settings
                • Suspicious use of WriteProcessMemory
                PID:4688
                • C:\Users\Admin\AppData\Local\Temp\A2F7.exe
                  "C:\Users\Admin\AppData\Local\Temp\A2F7.exe" -HELP
                  2⤵
                  • Executes dropped EXE
                  PID:4608

              Network

                    MITRE ATT&CK Enterprise v6

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    Secure Preferences

                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Secure Preferences
                    • Size 16KB
                    • SHA256 d7755c844f854e50e678ee8893749d9f16e5482dcd889ada84e1b53391c5a2ca
                    • MD5 SHA1 SHA512 SSDEEP

                    5563.exe

                    • Path C:\Users\Admin\AppData\Local\Temp\5563.exe
                    • Size 322KB
                    • SHA256 d67af118741dff6761c39d0fe6f774eba58f121599ecb44d2955dea1e8d70e3c
                    • MD5 SHA1 SHA512 SSDEEP

                    5563.exe

                    • Path C:\Users\Admin\AppData\Local\Temp\5563.exe
                    • Size 322KB
                    • SHA256 d67af118741dff6761c39d0fe6f774eba58f121599ecb44d2955dea1e8d70e3c
                    • MD5 SHA1 SHA512 SSDEEP

                    6737.exe

                    • Path C:\Users\Admin\AppData\Local\Temp\6737.exe
                    • Size 496KB
                    • SHA256 8a631481dec5c4bfde1b90e812868a5edd093f44ebbb0625f91e6548c500ef67
                    • MD5 SHA1 SHA512 SSDEEP

                    6737.exe

                    • Path C:\Users\Admin\AppData\Local\Temp\6737.exe
                    • Size 496KB
                    • SHA256 8a631481dec5c4bfde1b90e812868a5edd093f44ebbb0625f91e6548c500ef67
                    • MD5 SHA1 SHA512 SSDEEP

                    6DEA.exe

                    • Path C:\Users\Admin\AppData\Local\Temp\6DEA.exe
                    • Size 496KB
                    • SHA256 8a631481dec5c4bfde1b90e812868a5edd093f44ebbb0625f91e6548c500ef67
                    • MD5 SHA1 SHA512 SSDEEP

                    6DEA.exe

                    • Path C:\Users\Admin\AppData\Local\Temp\6DEA.exe
                    • Size 496KB
                    • SHA256 8a631481dec5c4bfde1b90e812868a5edd093f44ebbb0625f91e6548c500ef67
                    • MD5 SHA1 SHA512 SSDEEP

                    8490.exe

                    • Path C:\Users\Admin\AppData\Local\Temp\8490.exe
                    • Size 1.5MB
                    • SHA256 1f2b712e2221f045462bb4a7c7c66f5d191b0b40fbd9074614b71a86c5f8a82e
                    • MD5 SHA1 SHA512 SSDEEP

                    8490.exe

                    • Path C:\Users\Admin\AppData\Local\Temp\8490.exe
                    • Size 1.5MB
                    • SHA256 1f2b712e2221f045462bb4a7c7c66f5d191b0b40fbd9074614b71a86c5f8a82e
                    • MD5 SHA1 SHA512 SSDEEP

                    9644.exe

                    • Path C:\Users\Admin\AppData\Local\Temp\9644.exe
                    • Size 3.7MB
                    • SHA256 4d39e940c908fafd2d1384f0aa398e54e5305424ed3b6fe5ed7121c5e22cc72b
                    • MD5 SHA1 SHA512 SSDEEP

                    9644.exe

                    • Path C:\Users\Admin\AppData\Local\Temp\9644.exe
                    • Size 3.7MB
                    • SHA256 4d39e940c908fafd2d1384f0aa398e54e5305424ed3b6fe5ed7121c5e22cc72b
                    • MD5 SHA1 SHA512 SSDEEP

                    A2F7.exe

                    • Path C:\Users\Admin\AppData\Local\Temp\A2F7.exe
                    • Size 76KB
                    • SHA256 dcc272712e9d619110f97ae20db4ec81ff60f9a102bb6cf4275978c72ec1d863
                    • MD5 SHA1 SHA512 SSDEEP

                    A2F7.exe

                    • Path C:\Users\Admin\AppData\Local\Temp\A2F7.exe
                    • Size 76KB
                    • SHA256 dcc272712e9d619110f97ae20db4ec81ff60f9a102bb6cf4275978c72ec1d863
                    • MD5 SHA1 SHA512 SSDEEP

                    A2F7.exe

                    • Path C:\Users\Admin\AppData\Local\Temp\A2F7.exe
                    • Size 76KB
                    • SHA256 dcc272712e9d619110f97ae20db4ec81ff60f9a102bb6cf4275978c72ec1d863
                    • MD5 SHA1 SHA512 SSDEEP

                    memory/800-142-0x0000000003000000-0x0000000003016000-memory.dmp

                    memory/800-143-0x0000000000400000-0x0000000000482000-memory.dmp

                    memory/1000-153-0x0000000000400000-0x0000000000482000-memory.dmp

                    memory/2620-141-0x0000000000640000-0x0000000000696000-memory.dmp

                    memory/3096-147-0x0000000000400000-0x000000000045E000-memory.dmp

                    memory/3096-149-0x0000000000400000-0x000000000045E000-memory.dmp

                    memory/3096-148-0x0000000000400000-0x000000000045E000-memory.dmp

                    memory/3096-145-0x0000000000400000-0x000000000045E000-memory.dmp

                    memory/3096-146-0x0000000000400000-0x000000000045E000-memory.dmp

                    memory/3256-132-0x0000000000400000-0x00000000004DE000-memory.dmp

                    memory/3256-130-0x000000000065C000-0x0000000000665000-memory.dmp

                    memory/3256-134-0x0000000000400000-0x00000000004DE000-memory.dmp

                    memory/3256-133-0x000000000065C000-0x0000000000665000-memory.dmp

                    memory/3256-131-0x0000000000630000-0x0000000000639000-memory.dmp

                    memory/3556-162-0x0000000140000000-0x000000014068C000-memory.dmp