Overview

overview

10

Static

static

2aad85dbd4...7c.exe

windows10_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10_x64
  • resource
    win10-en-20211014
  • submitted
    19-10-2021 17:47

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General

  • Target

    2aad85dbd4c79bd21c6218892552d5c9fb216293a251559ba59d45d56a01437c.exe

  • Size

    80KB

  • MD5

    5c66cd4f21254f83663819138e634dd9

  • SHA1

    6626cae85970e6490b8b0bf9da9aa4b57a79bb62

  • SHA256

    2aad85dbd4c79bd21c6218892552d5c9fb216293a251559ba59d45d56a01437c

  • SHA512

    093e1fb491d73ee240f1b0084bda233ef272618b56e61ed8602a57dec7b241b3f80a4a1749ff46d141399e71dd6127c9a8893c9d8d24c6aa48b0479a7ab42a2a

Score
10/10
blackmatterransomware

Malware Config

Extracted

Path

C:\WRLMMTHME.README.txt

Family

blackmatter

Ransom Note
~+ * + ' BLACK | () .-.,='``'=. - o - '=/_ \ | * | '=._ | \ `=./`, ' . '=.__.=' `=' * + Matter + O * ' . >>> What happens? Your network is encrypted, and currently not operational. We need only money, after payment we will give you a decryptor for the entire network and you will restore all the data. >>> What data stolen? From your network was stolen sensitive data. If you do not contact us we will publish all your data in our blog and will send it to the biggest mass media. >>> What guarantees? We are not a politically motivated group and we do not need anything other than your money. If you pay, we will provide you the programs for decryption and we will delete your data. If we do not give you decrypters or we do not delete your data, no one will pay us in the future, this does not comply with our goals. We always keep our promises. >> How to contact with us? 1. Download and install TOR Browser (https://www.torproject.org/). 2. Open http://supp24maprinktc7uizgfyqhisx7lkszb6ogh6lwdzpac23w3mh4tvyd.onion/EWX33VYY3IGOXSG5ZZ2 >> Warning! Recovery recommendations. We strongly recommend you to do not MODIFY or REPAIR your files, that will damage them.
URLs

http://supp24maprinktc7uizgfyqhisx7lkszb6ogh6lwdzpac23w3mh4tvyd.onion/EWX33VYY3IGOXSG5ZZ2

Signatures

  • BlackMatter Ransomware

    BlackMatter ransomware group claims to be Darkside and REvil succesor.

    ransomwareblackmatter
  • Modifies extensions of user files 5 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 1 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 2 IoCs
    ransomware
  • Suspicious use of NtSetInformationThreadHideFromDebugger 6 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies Control Panel 3 IoCs
    evasion
  • Modifies registry class 64 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
    ransomware
  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 26 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2aad85dbd4c79bd21c6218892552d5c9fb216293a251559ba59d45d56a01437c.exe
    "C:\Users\Admin\AppData\Local\Temp\2aad85dbd4c79bd21c6218892552d5c9fb216293a251559ba59d45d56a01437c.exe"
    1⤵
    • Modifies extensions of user files
    • Enumerates connected drives
    • Sets desktop wallpaper using registry
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Modifies Control Panel
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2680
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2320
  • C:\Windows\system32\NOTEPAD.EXE
    "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\WRLMMTHME.README.txt
    1⤵
    • Opens file in notepad (likely ransom note)
    PID:1864
  • C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe"
    1⤵
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1764
    • 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=0xcc,0xd0,0xd4,0xa8,0xd8,0x7ffb1ae94f50,0x7ffb1ae94f60,0x7ffb1ae94f70
      2⤵
        PID:3984
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --field-trial-handle=1484,8703202538949998399,10908484164286453325,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1508 /prefetch:2
        2⤵
          PID:3600
        • 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=1484,8703202538949998399,10908484164286453325,131072 --lang=en-US --service-sandbox-type=network --mojo-platform-channel-handle=1740 /prefetch:8
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:520
        • 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=1484,8703202538949998399,10908484164286453325,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2180 /prefetch:8
          2⤵
            PID:2196
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1484,8703202538949998399,10908484164286453325,131072 --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2704 /prefetch:1
            2⤵
              PID:1612
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1484,8703202538949998399,10908484164286453325,131072 --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2684 /prefetch:1
              2⤵
                PID:1272
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1484,8703202538949998399,10908484164286453325,131072 --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3644 /prefetch:1
                2⤵
                  PID:2848
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1484,8703202538949998399,10908484164286453325,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4308 /prefetch:8
                  2⤵
                    PID:1316
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1484,8703202538949998399,10908484164286453325,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4452 /prefetch:8
                    2⤵
                      PID:1196
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1484,8703202538949998399,10908484164286453325,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4460 /prefetch:8
                      2⤵
                        PID:2744
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1484,8703202538949998399,10908484164286453325,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4868 /prefetch:8
                        2⤵
                          PID:3184
                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1484,8703202538949998399,10908484164286453325,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4880 /prefetch:8
                          2⤵
                            PID:872
                          • C:\Program Files\Google\Chrome\Application\chrome.exe
                            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1484,8703202538949998399,10908484164286453325,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4892 /prefetch:8
                            2⤵
                              PID:2184
                            • C:\Program Files\Google\Chrome\Application\chrome.exe
                              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --field-trial-handle=1484,8703202538949998399,10908484164286453325,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5040 /prefetch:8
                              2⤵
                              • Suspicious behavior: EnumeratesProcesses
                              PID:1044
                            • C:\Program Files\Google\Chrome\Application\chrome.exe
                              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1484,8703202538949998399,10908484164286453325,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4356 /prefetch:8
                              2⤵
                                PID:1276
                              • C:\Program Files\Google\Chrome\Application\chrome.exe
                                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1484,8703202538949998399,10908484164286453325,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4480 /prefetch:8
                                2⤵
                                  PID:804
                                • C:\Program Files\Google\Chrome\Application\chrome.exe
                                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1484,8703202538949998399,10908484164286453325,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=5464 /prefetch:8
                                  2⤵
                                    PID:2188
                                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1484,8703202538949998399,10908484164286453325,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4404 /prefetch:8
                                    2⤵
                                      PID:2296
                                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1484,8703202538949998399,10908484164286453325,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=5092 /prefetch:8
                                      2⤵
                                        PID:1916
                                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --field-trial-handle=1484,8703202538949998399,10908484164286453325,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5468 /prefetch:8
                                        2⤵
                                        • Suspicious behavior: EnumeratesProcesses
                                        PID:316
                                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1484,8703202538949998399,10908484164286453325,131072 --disable-gpu-compositing --lang=en-US --extension-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=21 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5388 /prefetch:1
                                        2⤵
                                          PID:1316
                                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1484,8703202538949998399,10908484164286453325,131072 --disable-gpu-compositing --lang=en-US --extension-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=22 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4932 /prefetch:1
                                          2⤵
                                            PID:2292
                                          • C:\Program Files\Google\Chrome\Application\chrome.exe
                                            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --field-trial-handle=1484,8703202538949998399,10908484164286453325,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4612 /prefetch:8
                                            2⤵
                                            • Suspicious behavior: EnumeratesProcesses
                                            PID:4360
                                          • C:\Program Files\Google\Chrome\Application\chrome.exe
                                            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --field-trial-handle=1484,8703202538949998399,10908484164286453325,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2508 /prefetch:8
                                            2⤵
                                            • Suspicious behavior: EnumeratesProcesses
                                            PID:4420
                                          • C:\Program Files\Google\Chrome\Application\chrome.exe
                                            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1484,8703202538949998399,10908484164286453325,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=772 /prefetch:8
                                            2⤵
                                              PID:4552
                                          • C:\Windows\system32\mmc.exe
                                            "C:\Windows\system32\mmc.exe" "C:\Windows\system32\eventvwr.msc" /s
                                            1⤵
                                            • Drops file in System32 directory
                                            • Modifies registry class
                                            • Suspicious behavior: GetForegroundWindowSpam
                                            • Suspicious use of AdjustPrivilegeToken
                                            • Suspicious use of SetWindowsHookEx
                                            PID:4172

                                          Network

                                          MITRE ATT&CK Enterprise v6

                                          Replay Monitor

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                                          Downloads

                                          • memory/2680-116-0x00000000010E0000-0x000000000122A000-memory.dmp

                                            Filesize

                                            1.3MB

                                            Download

                                          • memory/2680-115-0x00000000010E0000-0x000000000122A000-memory.dmp

                                            Filesize

                                            1.3MB

                                            Download

                                          • memory/4172-121-0x000000001E954000-0x000000001E955000-memory.dmp

                                            Filesize

                                            4KB

                                            Download

                                          • memory/4172-120-0x000000001E952000-0x000000001E954000-memory.dmp

                                            Filesize

                                            8KB

                                            Download

                                          • memory/4172-119-0x000000001E950000-0x000000001E952000-memory.dmp

                                            Filesize

                                            8KB

                                            Download

                                          • memory/4172-122-0x000000001E955000-0x000000001E956000-memory.dmp

                                            Filesize

                                            4KB

                                            Download

                                          • memory/4172-123-0x000000001E956000-0x000000001E957000-memory.dmp

                                            Filesize

                                            4KB

                                            Download

                                          • memory/4172-124-0x000000001E957000-0x000000001E958000-memory.dmp

                                            Filesize

                                            4KB

                                            Download

                                          • memory/4172-125-0x00007FF6B0050000-0x00007FF6B0051000-memory.dmp

                                            Filesize

                                            4KB

                                            Download

                                          • memory/4172-126-0x000000001E958000-0x000000001E95A000-memory.dmp

                                            Filesize

                                            8KB

                                            Download

                                          • memory/4172-127-0x000000001E95A000-0x000000001E95F000-memory.dmp

                                            Filesize

                                            20KB

                                            Download

                                          • memory/4172-128-0x0000000022550000-0x0000000022551000-memory.dmp

                                            Filesize

                                            4KB

                                            Download