Analysis

  • max time kernel
    152s
  • max time network
    162s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/10/2022, 01:03

General

  • Target
    f07ba8bfcdcfa52a20e341a6d22b8f6d3ed668e947d33770b02e7d391a2aa429.exe
  • Size 935KB
  • Sample221004-belpjsehd2
  • SHA256 f07ba8bfcdcfa52a20e341a6d22b8f6d3ed668e947d33770b02e7d391a2aa429
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • darkcomet

Botnet
  • RAT

C2
  • liorhadad.no-ip.info:1300

  • 46.116.152.219:1300

  • 85.64.54.170:1300

Mutex
  • DC_MUTEX-69QBQR9

Attributes
  • gencode

    6GuJmgpzwFpe

  • install

    false

  • offline_keylogger

    true

  • password

    123456s

  • persistence

    false

Extracted

Family
  • njrat

Version
  • 0.6.4

Botnet
  • HacKed

C2
  • mark3000011.no-ip.biz:1177

Mutex
  • b5857819bb096c04134249d6f4e71934

Attributes
  • reg_key

    b5857819bb096c04134249d6f4e71934

  • splitter

    |'|'|

Signatures

  • Darkcomet

    DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Adds Run key to start application 2 TTPs 3 IoCs
  • Detected potential entity reuse from brand microsoft.
  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 26 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f07ba8bfcdcfa52a20e341a6d22b8f6d3ed668e947d33770b02e7d391a2aa429.exe
    "C:\Users\Admin\AppData\Local\Temp\f07ba8bfcdcfa52a20e341a6d22b8f6d3ed668e947d33770b02e7d391a2aa429.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4920
    • C:\Users\Admin\AppData\Local\Temp\gg.exe
      "C:\Users\Admin\AppData\Local\Temp\gg.exe"
      2⤵
      • Executes dropped EXE
      • Checks computer location settings
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4336
      • C:\Windows\SysWOW64\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\RmhOmkR.vbs"
        3⤵
          PID:3368
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
          \Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
          3⤵
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:3108
      • C:\Windows\SysWOW64\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\JSQXPWJM.vbs"
        2⤵
          PID:4192
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
          \Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:2560
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://go.microsoft.com/fwlink/?prd=11324&pver=4.5&sbp=AppLaunch2&plcid=0x409&o1=SHIM_NOVERSION_FOUND&version=(null)&processName=cvtres.exe&platform=0009&osver=6&isServer=0&shimver=4.0.30319.0
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:4584
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0xf8,0xfc,0x100,0xd4,0x104,0x7ff8aa4d46f8,0x7ff8aa4d4708,0x7ff8aa4d4718
              4⤵
                PID:1780
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2196,17679584759006476829,4323120913604263561,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2204 /prefetch:2
                4⤵
                  PID:3588
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=2196,17679584759006476829,4323120913604263561,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2268 /prefetch:3
                  4⤵
                  • Suspicious behavior: EnumeratesProcesses
                  PID:916
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://go.microsoft.com/fwlink/?prd=11324&pver=4.5&sbp=AppLaunch2&plcid=0x409&o1=SHIM_NOVERSION_FOUND&version=(null)&processName=cvtres.exe&platform=0009&osver=6&isServer=0&shimver=4.0.30319.0
                3⤵
                • Adds Run key to start application
                • Enumerates system info in registry
                • Modifies registry class
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
                • Suspicious use of FindShellTrayWindow
                • Suspicious use of WriteProcessMemory
                PID:1320
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0xf8,0xfc,0x100,0xd4,0x104,0x7ff8aa4d46f8,0x7ff8aa4d4708,0x7ff8aa4d4718
                  4⤵
                    PID:1800
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2128,11147650389012765598,6347920192322882972,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2260 /prefetch:2
                    4⤵
                      PID:4904
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=2128,11147650389012765598,6347920192322882972,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2764 /prefetch:8
                      4⤵
                        PID:4452
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=2128,11147650389012765598,6347920192322882972,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2312 /prefetch:3
                        4⤵
                        • Suspicious behavior: EnumeratesProcesses
                        PID:4016
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2128,11147650389012765598,6347920192322882972,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3696 /prefetch:1
                        4⤵
                          PID:4164
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2128,11147650389012765598,6347920192322882972,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3716 /prefetch:1
                          4⤵
                            PID:1976
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2128,11147650389012765598,6347920192322882972,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4564 /prefetch:1
                            4⤵
                              PID:3976
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=2128,11147650389012765598,6347920192322882972,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5432 /prefetch:8
                              4⤵
                                PID:3264
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2128,11147650389012765598,6347920192322882972,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5508 /prefetch:1
                                4⤵
                                  PID:3316
                                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2128,11147650389012765598,6347920192322882972,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5684 /prefetch:1
                                  4⤵
                                    PID:3624
                                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=2128,11147650389012765598,6347920192322882972,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5504 /prefetch:8
                                    4⤵
                                      PID:1072
                                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2128,11147650389012765598,6347920192322882972,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4232 /prefetch:1
                                      4⤵
                                        PID:2588
                                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2128,11147650389012765598,6347920192322882972,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=13 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5504 /prefetch:1
                                        4⤵
                                          PID:2688
                                        • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
                                          "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2128,11147650389012765598,6347920192322882972,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5828 /prefetch:8
                                          4⤵
                                            PID:3484
                                          • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe
                                            "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --configure-user-settings --verbose-logging --system-level --msedge --force-configure-user-settings
                                            4⤵
                                            • Drops file in Program Files directory
                                            PID:1416
                                            • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe
                                              "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --type=crashpad-handler /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Windows\TEMP\MsEdgeCrashpad --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0x220,0x224,0x228,0x1fc,0x22c,0x7ff78f545460,0x7ff78f545470,0x7ff78f545480
                                              5⤵
                                                PID:4768
                                      • C:\Windows\System32\CompPkgSrv.exe
                                        C:\Windows\System32\CompPkgSrv.exe -Embedding
                                        1⤵
                                          PID:2024

                                        Network

                                              MITRE ATT&CK Enterprise v6

                                              Replay Monitor

                                              Loading Replay Monitor...

                                              Downloads

                                              80237EE4964FC9C409AAF55BF996A292_E503B048B745DFA14B81FCFC68D6DECE

                                              • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\80237EE4964FC9C409AAF55BF996A292_E503B048B745DFA14B81FCFC68D6DECE
                                              • Size 471B
                                              • SHA256 81f0783a49afce7c284a0b9099f45a646694fdd67ce33a5e275aa461262a1d44
                                              • MD5 SHA1 SHA512

                                              80237EE4964FC9C409AAF55BF996A292_E503B048B745DFA14B81FCFC68D6DECE

                                              • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\80237EE4964FC9C409AAF55BF996A292_E503B048B745DFA14B81FCFC68D6DECE
                                              • Size 416B
                                              • SHA256 958f3198d0f0fffe23ab372d631ef7e09033d3d54b2da35738723787cdb83698
                                              • MD5 SHA1 SHA512

                                              settings.dat

                                              • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                              • Size 152B
                                              • SHA256 54961bcb62812886877fcd3ad3896891099cc4bddc51ea6f07a606cf5124d998
                                              • MD5 SHA1 SHA512

                                              settings.dat

                                              • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                              • Size 152B
                                              • SHA256 54961bcb62812886877fcd3ad3896891099cc4bddc51ea6f07a606cf5124d998
                                              • MD5 SHA1 SHA512

                                              settings.dat

                                              • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                              • Size 152B
                                              • SHA256 bf59580e4d4a781622abb3d43674dedc8d618d6c6da09e7d85d920cd9cea4e85
                                              • MD5 SHA1 SHA512

                                              settings.dat

                                              • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                              • Size 152B
                                              • SHA256 bf59580e4d4a781622abb3d43674dedc8d618d6c6da09e7d85d920cd9cea4e85
                                              • MD5 SHA1 SHA512

                                              Local State

                                              • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                              • Size 2KB
                                              • SHA256 21b9d3b827a2445f0fb28fdfad63ba0f1423006c865e1cfbc582debd5a636f07
                                              • MD5 SHA1 SHA512

                                              Windows.exe

                                              • Path C:\Users\Admin\AppData\Local\Temp\Windows.exe
                                              • Size 782KB
                                              • SHA256 8fda0b6082e33d1ed269fe21226fc292e684464a3e3c8c2a84709a84f78ca2c8
                                              • MD5 SHA1 SHA512 SSDEEP

                                              gg.exe

                                              • Path C:\Users\Admin\AppData\Local\Temp\gg.exe
                                              • Size 782KB
                                              • SHA256 8fda0b6082e33d1ed269fe21226fc292e684464a3e3c8c2a84709a84f78ca2c8
                                              • MD5 SHA1 SHA512 SSDEEP

                                              gg.exe

                                              • Path C:\Users\Admin\AppData\Local\Temp\gg.exe
                                              • Size 782KB
                                              • SHA256 8fda0b6082e33d1ed269fe21226fc292e684464a3e3c8c2a84709a84f78ca2c8
                                              • MD5 SHA1 SHA512 SSDEEP

                                              JSQXPWJM.vbs

                                              • Path C:\Users\Admin\AppData\Roaming\JSQXPWJM.vbs
                                              • Size 455B
                                              • SHA256 d177dcdf8e1a430a76b95977ef590659bb6f9bb0dd0ed9ecb142351235f786db
                                              • MD5 SHA1 SHA512

                                              RmhOmkR.vbs

                                              • Path C:\Users\Admin\AppData\Roaming\RmhOmkR.vbs
                                              • Size 382B
                                              • SHA256 430bdb234f4ca075ca59d6badd4645d05d530345ee6a9d64bef48c902dc697c4
                                              • MD5 SHA1 SHA512

                                              memory/2560-143-0x0000000000400000-0x000000000040E000-memory.dmp

                                              memory/3108-152-0x0000000000400000-0x00000000004B2000-memory.dmp

                                              memory/3108-153-0x0000000000400000-0x00000000004B2000-memory.dmp

                                              memory/3108-148-0x0000000000400000-0x00000000004B2000-memory.dmp

                                              memory/3108-145-0x0000000000400000-0x00000000004B2000-memory.dmp

                                              memory/3108-144-0x0000000000400000-0x00000000004B2000-memory.dmp

                                              memory/4336-151-0x00000000749C0000-0x0000000074F71000-memory.dmp

                                              memory/4336-138-0x00000000749C0000-0x0000000074F71000-memory.dmp

                                              memory/4336-137-0x00000000749C0000-0x0000000074F71000-memory.dmp

                                              memory/4920-133-0x00000000749C0000-0x0000000074F71000-memory.dmp

                                              memory/4920-132-0x00000000749C0000-0x0000000074F71000-memory.dmp

                                              memory/4920-149-0x00000000749C0000-0x0000000074F71000-memory.dmp