Analysis

  • max time kernel
    155s
  • max time network
    167s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-09-2022 17:42

General

  • Target

    HEUR-Trojan-Spy.MSIL.Bobik.gen-0e3c0990f00475aebe53158be9d68093947e98705aeb30020f839492b75470d7.exe

  • Size

    164KB

  • MD5

    068fc2f4824a2a23e4dce306b897e9ec

  • SHA1

    7161a98ea46b3696d79c6a888a9c69584dca411c

  • SHA256

    0e3c0990f00475aebe53158be9d68093947e98705aeb30020f839492b75470d7

  • SHA512

    54871706422b8b4b495864f30049ef9e6153c0b4904d2cc0a19d4de48a65c1fd5fde23b8791c4d042aa4fc7321d4794e07c677ec5305de6e9e21bafa759fa017

  • SSDEEP

    3072:j3fkYW/5gjbnI3OkLFxD5tKdHDunqUpxwCAnuzPLqY:LMR/5gjbnI3OkLFxD5tKdHDunqIxynua

Malware Config

Signatures

  • Disables Task Manager via registry modification
  • Possible privilege escalation attempt 4 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Modifies file permissions 1 TTPs 4 IoCs
  • Adds Run key to start application 2 TTPs 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 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\HEUR-Trojan-Spy.MSIL.Bobik.gen-0e3c0990f00475aebe53158be9d68093947e98705aeb30020f839492b75470d7.exe
    "C:\Users\Admin\AppData\Local\Temp\HEUR-Trojan-Spy.MSIL.Bobik.gen-0e3c0990f00475aebe53158be9d68093947e98705aeb30020f839492b75470d7.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2364
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /k color 47 && takeown /f C:\Windows\System32 && icacls C:\Windows\System32 /grant %username%:F && takeown /f C:\Windows\System32\drivers && icacls C:\Windows\System32\drivers /grant %username%:F && Exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4804
      • C:\Windows\system32\takeown.exe
        takeown /f C:\Windows\System32
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        • Suspicious use of AdjustPrivilegeToken
        PID:3004
      • C:\Windows\system32\icacls.exe
        icacls C:\Windows\System32 /grant Admin:F
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        PID:1404
      • C:\Windows\system32\takeown.exe
        takeown /f C:\Windows\System32\drivers
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        • Suspicious use of AdjustPrivilegeToken
        PID:2992
      • C:\Windows\system32\icacls.exe
        icacls C:\Windows\System32\drivers /grant Admin:F
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        PID:4576
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://mynoise.net/NoiseMachines/whiteNoiseGenerator.php?l=00180250525557999999
      2⤵
      • 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: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,0x100,0xd4,0x104,0x7ffd0aec46f8,0x7ffd0aec4708,0x7ffd0aec4718
        3⤵
          PID:5076
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2128,11921383250013960664,10525070101563329732,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2120 /prefetch:2
          3⤵
            PID:1068
          • 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=2128,11921383250013960664,10525070101563329732,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2680 /prefetch:3
            3⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:1892
          • 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=2128,11921383250013960664,10525070101563329732,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2912 /prefetch:8
            3⤵
              PID:2804
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2128,11921383250013960664,10525070101563329732,131072 --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=3572 /prefetch:1
              3⤵
                PID:376
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2128,11921383250013960664,10525070101563329732,131072 --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=3592 /prefetch:1
                3⤵
                  PID:524
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2128,11921383250013960664,10525070101563329732,131072 --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=4604 /prefetch:1
                  3⤵
                    PID:2540
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2128,11921383250013960664,10525070101563329732,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4728 /prefetch:1
                    3⤵
                      PID:768
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2128,11921383250013960664,10525070101563329732,131072 --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=4760 /prefetch:1
                      3⤵
                        PID:4464
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2128,11921383250013960664,10525070101563329732,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5040 /prefetch:1
                        3⤵
                          PID:908
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2128,11921383250013960664,10525070101563329732,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5256 /prefetch:1
                          3⤵
                            PID:3376
                          • 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=2128,11921383250013960664,10525070101563329732,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4784 /prefetch:8
                            3⤵
                              PID:3700
                            • 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
                              3⤵
                              • Drops file in Program Files directory
                              PID:1092
                              • 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=0x228,0x22c,0x230,0x204,0x234,0x7ff685c35460,0x7ff685c35470,0x7ff685c35480
                                4⤵
                                  PID:1440
                              • 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=2128,11921383250013960664,10525070101563329732,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4784 /prefetch:8
                                3⤵
                                • Suspicious behavior: EnumeratesProcesses
                                PID:2000
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2128,11921383250013960664,10525070101563329732,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=13 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5552 /prefetch:1
                                3⤵
                                  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=2128,11921383250013960664,10525070101563329732,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=14 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=1832 /prefetch:1
                                  3⤵
                                    PID:4276
                              • C:\Windows\system32\AUDIODG.EXE
                                C:\Windows\system32\AUDIODG.EXE 0x4fc 0x4f4
                                1⤵
                                • Suspicious use of AdjustPrivilegeToken
                                PID:3836
                              • C:\Windows\System32\CompPkgSrv.exe
                                C:\Windows\System32\CompPkgSrv.exe -Embedding
                                1⤵
                                  PID:4564

                                Network

                                MITRE ATT&CK Matrix ATT&CK v6

                                Persistence

                                Registry Run Keys / Startup Folder

                                1
                                T1060

                                Defense Evasion

                                File Permissions Modification

                                1
                                T1222

                                Modify Registry

                                1
                                T1112

                                Discovery

                                Query Registry

                                2
                                T1012

                                System Information Discovery

                                3
                                T1082

                                Replay Monitor

                                Loading Replay Monitor...

                                Downloads

                                • \??\pipe\LOCAL\crashpad_4584_WHRLIOADBOJLZSBI
                                  MD5

                                  d41d8cd98f00b204e9800998ecf8427e

                                  SHA1

                                  da39a3ee5e6b4b0d3255bfef95601890afd80709

                                  SHA256

                                  e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                                  SHA512

                                  cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                                • memory/376-149-0x0000000000000000-mapping.dmp
                                • memory/524-151-0x0000000000000000-mapping.dmp
                                • memory/768-157-0x0000000000000000-mapping.dmp
                                • memory/908-161-0x0000000000000000-mapping.dmp
                                • memory/1068-143-0x0000000000000000-mapping.dmp
                                • memory/1092-165-0x0000000000000000-mapping.dmp
                                • memory/1404-137-0x0000000000000000-mapping.dmp
                                • memory/1440-166-0x0000000000000000-mapping.dmp
                                • memory/1892-144-0x0000000000000000-mapping.dmp
                                • memory/2000-167-0x0000000000000000-mapping.dmp
                                • memory/2364-140-0x000000001B589000-0x000000001B58F000-memory.dmp
                                  Filesize

                                  24KB

                                • memory/2364-171-0x0000000031DF0000-0x0000000031DF4000-memory.dmp
                                  Filesize

                                  16KB

                                • memory/2364-133-0x00007FFD10110000-0x00007FFD10BD1000-memory.dmp
                                  Filesize

                                  10.8MB

                                • memory/2364-132-0x0000000000910000-0x0000000000940000-memory.dmp
                                  Filesize

                                  192KB

                                • memory/2364-177-0x0000000031DFC000-0x0000000031E01000-memory.dmp
                                  Filesize

                                  20KB

                                • memory/2364-134-0x00007FFD10110000-0x00007FFD10BD1000-memory.dmp
                                  Filesize

                                  10.8MB

                                • memory/2364-176-0x0000000031DF7000-0x0000000031DFC000-memory.dmp
                                  Filesize

                                  20KB

                                • memory/2364-170-0x0000000031DF4000-0x0000000031DF7000-memory.dmp
                                  Filesize

                                  12KB

                                • memory/2364-173-0x0000000031DF7000-0x0000000031DFC000-memory.dmp
                                  Filesize

                                  20KB

                                • memory/2364-172-0x0000000031DF4000-0x0000000031DF7000-memory.dmp
                                  Filesize

                                  12KB

                                • memory/2364-164-0x0000000031DF0000-0x0000000031DF4000-memory.dmp
                                  Filesize

                                  16KB

                                • memory/2364-141-0x000000001B589000-0x000000001B58F000-memory.dmp
                                  Filesize

                                  24KB

                                • memory/2540-155-0x0000000000000000-mapping.dmp
                                • memory/2804-147-0x0000000000000000-mapping.dmp
                                • memory/2992-152-0x0000000000000000-mapping.dmp
                                • memory/3004-136-0x0000000000000000-mapping.dmp
                                • memory/3316-169-0x0000000000000000-mapping.dmp
                                • memory/3376-163-0x0000000000000000-mapping.dmp
                                • memory/4276-175-0x0000000000000000-mapping.dmp
                                • memory/4464-159-0x0000000000000000-mapping.dmp
                                • memory/4576-153-0x0000000000000000-mapping.dmp
                                • memory/4584-138-0x0000000000000000-mapping.dmp
                                • memory/4804-135-0x0000000000000000-mapping.dmp
                                • memory/5076-139-0x0000000000000000-mapping.dmp