Resubmissions

04/07/2024, 11:35

240704-np9kkswerm 3

04/07/2024, 11:31

240704-nmx4rsydjf 7

Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/07/2024, 11:31

General

  • Target

    main.pyc

  • Size

    29KB

  • MD5

    2de02059dad05e477fb8f68f896b9ce5

  • SHA1

    d2082b6e2c3c6413de373f3c42f0bf6111ac8e68

  • SHA256

    23a88b36c2e0007b3a4302b85710b86218d855cb86cb5a7359abe9279390b7cd

  • SHA512

    850b80ba6cd0d3979c032508a2d921a18dda2bf69230dba34919a848545f215be26bc51c18794cde395a36a427e5ec047ad478a9f712f1cf25184c4d20d4a868

  • SSDEEP

    384:IuD/4xagpBYfVw2JXEMihJMG2EELZawSUwIVuzdHJt2xjnMd7YIPt6eE:IuDsafVJJUMi0nEELswLwUidCwYot8

Score
3/10

Malware Config

Signatures

  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Modifies registry class 12 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 26 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of SetWindowsHookEx 29 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\main.pyc
    1⤵
    • Modifies registry class
    PID:4976
  • C:\Windows\system32\OpenWith.exe
    C:\Windows\system32\OpenWith.exe -Embedding
    1⤵
    • Modifies registry class
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2700
    • C:\Windows\system32\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\main.pyc
      2⤵
      • Opens file in notepad (likely ransom note)
      PID:1564
  • C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe"
    1⤵
    • Enumerates system info in registry
    • Modifies data under HKEY_USERS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:4352
    • 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=110.0.5481.104 --initial-client-data=0x11c,0x120,0x124,0xf8,0x128,0x7ffb6610ab58,0x7ffb6610ab68,0x7ffb6610ab78
      2⤵
        PID:1796
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1760 --field-trial-handle=2000,i,13891593422867136472,11267182246975693156,131072 /prefetch:2
        2⤵
          PID:8
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=1924 --field-trial-handle=2000,i,13891593422867136472,11267182246975693156,131072 /prefetch:8
          2⤵
            PID:2136
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=2292 --field-trial-handle=2000,i,13891593422867136472,11267182246975693156,131072 /prefetch:8
            2⤵
              PID:4312
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=3040 --field-trial-handle=2000,i,13891593422867136472,11267182246975693156,131072 /prefetch:1
              2⤵
                PID:1188
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=3048 --field-trial-handle=2000,i,13891593422867136472,11267182246975693156,131072 /prefetch:1
                2⤵
                  PID:1476
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --mojo-platform-channel-handle=4364 --field-trial-handle=2000,i,13891593422867136472,11267182246975693156,131072 /prefetch:1
                  2⤵
                    PID:1108
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.ProcessorMetrics --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4744 --field-trial-handle=2000,i,13891593422867136472,11267182246975693156,131072 /prefetch:8
                    2⤵
                      PID:3804
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4876 --field-trial-handle=2000,i,13891593422867136472,11267182246975693156,131072 /prefetch:8
                      2⤵
                        PID:4784
                      • 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 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=4736 --field-trial-handle=2000,i,13891593422867136472,11267182246975693156,131072 /prefetch:8
                        2⤵
                          PID:4268
                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --mojo-platform-channel-handle=4912 --field-trial-handle=2000,i,13891593422867136472,11267182246975693156,131072 /prefetch:1
                          2⤵
                            PID:3804
                        • C:\Program Files\Google\Chrome\Application\110.0.5481.104\elevation_service.exe
                          "C:\Program Files\Google\Chrome\Application\110.0.5481.104\elevation_service.exe"
                          1⤵
                            PID:4868

                          Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

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                                Downloads

                                • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Cache\Cache_Data\f_000005

                                  Filesize

                                  211KB

                                  MD5

                                  151fb811968eaf8efb840908b89dc9d4

                                  SHA1

                                  7ec811009fd9b0e6d92d12d78b002275f2f1bee1

                                  SHA256

                                  043fd8558e4a5a60aaccd2f0377f77a544e3e375242e9d7200dc6e51f94103ed

                                  SHA512

                                  83aface0ab01da52fd077f747c9d5916e3c06b0ea5c551d7d316707ec3e8f3f986ce1c82e6f2136e48c6511a83cb0ac67ff6dc8f0e440ac72fc6854086a87674

                                • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Code Cache\js\index-dir\the-real-index

                                  Filesize

                                  168B

                                  MD5

                                  1b3f2e5b655cccd0d94aa9a10a0e5597

                                  SHA1

                                  99689fbb41ffa71e35e82987fc5e6259e3176b7d

                                  SHA256

                                  8d92b78565c80f20b42f62c72749060b76eb748584fe9843f17b461e3ec72f31

                                  SHA512

                                  bc0f7c6115353858bcb4b1ca2f459f7d3effdf2f2f56fa0641e425c0a3dbbe0900de9c12ceab77f656cfe7699e70ee5c62163c81146fd6a244b87e1d9915306f

                                • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\SCT Auditing Pending Reports

                                  Filesize

                                  2B

                                  MD5

                                  d751713988987e9331980363e24189ce

                                  SHA1

                                  97d170e1550eee4afc0af065b78cda302a97674c

                                  SHA256

                                  4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945

                                  SHA512

                                  b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af

                                • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\TransportSecurity

                                  Filesize

                                  356B

                                  MD5

                                  5ed6a24ca349817d5a02aff6ed94a483

                                  SHA1

                                  87787609d7ab12b9400c19fb9418a8f9b750392a

                                  SHA256

                                  8e2550c9fec0d37cdb1e2e3650bcad337277d3896b81dcce46bcb61c29de99c7

                                  SHA512

                                  b5abb4f22c2dcd44cd6d60d3d98228f329f78021b91b8c91d4d10082bcf52f77fcae8963231e7565efcbd1a2c0678bfc8fb76bff40c093e9bf0e0c2ed6b7f66c

                                • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences

                                  Filesize

                                  7KB

                                  MD5

                                  2ee116ae0e89de2bde1f65d223737cbd

                                  SHA1

                                  f9c08d58f4f9c39d83ee8b3f18aec36d6ffa904f

                                  SHA256

                                  ab52ffd510cc997004795b03e42875519edd64b2a8a929e756127970e5b72f93

                                  SHA512

                                  d5d965c1b43816b0d8f0fe1813635a0bce7f675238b819769679669c5116ff53d72a44f6bab4aecf8b45885d94b3cd473395811a1352d94cea3caec57c847855

                                • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences

                                  Filesize

                                  7KB

                                  MD5

                                  f7837ee169bd843cb9d9044297106ee1

                                  SHA1

                                  afed527736e4cf2942a9dc2a172bf529e187e01f

                                  SHA256

                                  c8c5632033a070bf8e994ca8a287f8f3a4a4a0439a933004b9a2dca5429c0970

                                  SHA512

                                  1a0aad3489a389728f8e2a112b98d2cf4bfc0f64c796b467b826d7cc43d43b49a418a61e81a42f270d9b9586f601e79ca8de8620d807e6e3fe582a47d7fb2d78

                                • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Secure Preferences

                                  Filesize

                                  16KB

                                  MD5

                                  ad6c3888ee7bfd73f4a487ff913c0675

                                  SHA1

                                  3d1845b27e5dc310ad477c05cc6ca34852c2dbfd

                                  SHA256

                                  409077d29e3917ccf2e75c3aa996e5afdba703e414884aef1d7d3b697bb019fb

                                  SHA512

                                  0a9c6b977fd69863e1255ca65d87f3ab446df6d8a2fef1a4a4152466bd957bfe259ee9a8b3dd84537f558be9a29fa7e7f4a1c3d856b211a1383f4b3c8d7ecebe

                                • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State

                                  Filesize

                                  279KB

                                  MD5

                                  50b509d96b771b73c0300b6675d4f903

                                  SHA1

                                  c4b8edcc9a997c4f619df1e0db348d376d66cc2c

                                  SHA256

                                  6bbfd52e721f4a106053ec715ac93c266a7852ac57e1a60617dc6e01daaf2bec

                                  SHA512

                                  f300b41d34a80b91f7784ea31f9a4b69dc4fa0b2568dcfcf419508324dae7fe1063e715327be2b647caf3442c7290a5072201410495e300e28dad6471eb89a17