Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-1703_x64
  • resource
    win10-20230220-en
  • resource tags

    arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system
  • submitted
    31/03/2023, 22:12

General

  • Target

    desktop.ini

  • Size

    282B

  • MD5

    3a37312509712d4e12d27240137ff377

  • SHA1

    30ced927e23b584725cf16351394175a6d2a9577

  • SHA256

    b029393ea7b7cf644fb1c9f984f57c1980077562ee2e15d0ffd049c4c48098d3

  • SHA512

    dbb9abe70f8a781d141a71651a62a3a743c71a75a8305e9d23af92f7307fb639dc4a85499115885e2a781b040cbb7613f582544c2d6de521e588531e9c294b05

Score
1/10

Malware Config

Signatures

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 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 WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\NOTEPAD.EXE
    C:\Windows\system32\NOTEPAD.EXE C:\Users\Admin\AppData\Local\Temp\desktop.ini
    1⤵
    • Opens file in notepad (likely ransom note)
    PID:2236
  • 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:2556
    • 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=106.0.5249.119 --initial-client-data=0xcc,0xd0,0xd4,0xa8,0xd8,0x7ff8b8e89758,0x7ff8b8e89768,0x7ff8b8e89778
      2⤵
        PID:3084
      • 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=1916 --field-trial-handle=1712,i,6545405122052085063,13400329964564814860,131072 /prefetch:8
        2⤵
          PID:1144
        • 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=1596 --field-trial-handle=1712,i,6545405122052085063,13400329964564814860,131072 /prefetch:2
          2⤵
            PID:4528
          • 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=utility --mojo-platform-channel-handle=2016 --field-trial-handle=1712,i,6545405122052085063,13400329964564814860,131072 /prefetch:8
            2⤵
              PID:1884
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2976 --field-trial-handle=1712,i,6545405122052085063,13400329964564814860,131072 /prefetch:1
              2⤵
                PID:1176
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=2944 --field-trial-handle=1712,i,6545405122052085063,13400329964564814860,131072 /prefetch:1
                2⤵
                  PID:1312
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=7 --mojo-platform-channel-handle=4352 --field-trial-handle=1712,i,6545405122052085063,13400329964564814860,131072 /prefetch:1
                  2⤵
                    PID:720
                  • 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=4648 --field-trial-handle=1712,i,6545405122052085063,13400329964564814860,131072 /prefetch:8
                    2⤵
                      PID:4560
                    • 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=4528 --field-trial-handle=1712,i,6545405122052085063,13400329964564814860,131072 /prefetch:8
                      2⤵
                        PID:4428
                      • 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=4816 --field-trial-handle=1712,i,6545405122052085063,13400329964564814860,131072 /prefetch:8
                        2⤵
                          PID:5088
                        • 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=4912 --field-trial-handle=1712,i,6545405122052085063,13400329964564814860,131072 /prefetch:8
                          2⤵
                            PID:5076
                          • C:\Program Files\Google\Chrome\Application\chrome.exe
                            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=12 --mojo-platform-channel-handle=4936 --field-trial-handle=1712,i,6545405122052085063,13400329964564814860,131072 /prefetch:1
                            2⤵
                              PID:3480
                            • C:\Program Files\Google\Chrome\Application\chrome.exe
                              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=5140 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.15063.0 --gpu-preferences=UAAAAAAAAADoAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAACQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=3404 --field-trial-handle=1712,i,6545405122052085063,13400329964564814860,131072 /prefetch:2
                              2⤵
                                PID:1764
                            • C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe
                              "C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe"
                              1⤵
                                PID:2932
                              • C:\Windows\system32\NOTEPAD.EXE
                                "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\New Text Document.txt
                                1⤵
                                  PID:1636

                                Network

                                MITRE ATT&CK Enterprise v6

                                Replay Monitor

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                                Downloads

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

                                  Filesize

                                  456B

                                  MD5

                                  2ad8b8fcdf26be03f0d8d0a676d2c864

                                  SHA1

                                  edb4e94287180767b8b5c2c04962ff574921449d

                                  SHA256

                                  1f393b7b118940d7281ec15c7839e64ce42b26f031f747560568f258fd8f8bed

                                  SHA512

                                  6db0653782ac607fa269607e3f08ef7e084e9358f3a25d5abd135d88d11c333db604b22a18bd7225d24cff4af2a2ca9133a826a49a5c6e5edc12a8b0d52dc641

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

                                  Filesize

                                  1KB

                                  MD5

                                  d484ce947ac537d17291217af1b465bc

                                  SHA1

                                  74a221c25c9c70413e7b4b339acc62f8f4fa0fe9

                                  SHA256

                                  0e74ae3141311feacbf4b2d2bbed04feb1b54e64b7556844635a4b9640956ae1

                                  SHA512

                                  fe6993e4a3c2b3d9fce7554426efdb04f9cbaf39e745d9b1927cb8939a8b0fdb77efa303123b2d4c16070200afc2f3a74a8db2a30a894a19853e3bb2ba5d6ae2

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

                                  Filesize

                                  371B

                                  MD5

                                  16af4f499c427c173e59c53b3d594e69

                                  SHA1

                                  5a64cb5db887acc1cb4fdd05463def940704d6dd

                                  SHA256

                                  ba6b268c50d648ca81b95bf3eff6888b071810b1d97aeb936373527458776e43

                                  SHA512

                                  be7d8c8c4d702d85ef5e5d6aaf2f79cd01c01a5853b1b74e531fc316d9a571f3b0dfdea7255035ddc16a4a248b7fd1f04aed4d959c6524fb6425da54041643d6

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

                                  Filesize

                                  371B

                                  MD5

                                  74d7d6d234a2c09e91a7828ba1b53d58

                                  SHA1

                                  b4c4b955023af51f3b3b4a4adb7d8ad2e31e17f6

                                  SHA256

                                  3f50e1e046f4368221f88459b224624d3186e9dd1479df5b714522e96488150a

                                  SHA512

                                  5e2532be97520ed703b82d2b6f1479b2380709c9fb466545e24645266530db62b0feb391c61fc001efeee6d08a04b808c2e097eb9e1a44ec50b4880dbdd85329

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

                                  Filesize

                                  5KB

                                  MD5

                                  d63692b321e19585adef92b4fbfb04b4

                                  SHA1

                                  a8405d6ce46c63a0e96c596a4ef1f917d255eb4d

                                  SHA256

                                  e3d3115f34971251e8ff83f90c0c180b348863bceb4b48c2682a4467b8b8cbce

                                  SHA512

                                  79a60b319520c43ad7ebca71b057b44ad9bed2d58080bf77c937dd7da45e5ee4ec6cc57fc65981e4d170e7a66cd745824e81d457602c6f96edae1b943fe8bb52

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

                                  Filesize

                                  5KB

                                  MD5

                                  dfe9ec0e5ffd0ec618815cff7221bfcf

                                  SHA1

                                  17aa3bcf802cf66c35bf7a5733d4e22d28943a5d

                                  SHA256

                                  23485300b990df8033563b3cffcb9b0a76f78b9a8cf2fd50a99620f60f4ff0d8

                                  SHA512

                                  2dac1977fdf0c4bf982f95eca8fbd5d70ea5bccb9d7d50a33c749fd4d83c98ac7d2c6c83127b228f0af798876ae90799f2bc7d3f9b2e32f7abaaffb752f7fbae

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

                                  Filesize

                                  6KB

                                  MD5

                                  16571d39c91e7dda05b4e07c06b6c840

                                  SHA1

                                  4d6348f43bcb39a7c596c6ceb06acb0f3d65682e

                                  SHA256

                                  6aa40591ccc45643b5b692698a6061e2bfc5d060048126a4251f937428652ee2

                                  SHA512

                                  b42f2ea86bb2ac66822699ad4d2bd36b97061866ec9f14dfa2bf4e913cb39d1d4116a6251ba1a2236b9ffab90a3c55111a727fb57557f104b2e384961b9e5960

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

                                  Filesize

                                  5KB

                                  MD5

                                  d0d4443e47b3a0e0998e697f7279971e

                                  SHA1

                                  be1120aecdaa24c63a1e69fa131d6a90d150895e

                                  SHA256

                                  02ac7dc998dc04ab5ae9ba95808ffa6592c31ee87a5a5865cdd5a081fd6fede8

                                  SHA512

                                  7ab2e6f00129e98898a2cfd997ced676253f93bb3e8a4f431463c26db3ec867c99e8c0a3a36ab17be87a310bce4e51c99d4116c032678753c907dc7b90a5071d

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

                                  Filesize

                                  173KB

                                  MD5

                                  36f40c13a591cba9b9a3d05739cf0a52

                                  SHA1

                                  459be84fbb9ba34d2157363c664e07d6a4078693

                                  SHA256

                                  b7655d6ffc271efd41e4115a1017e335a81c3df0a472cb92f17c312929c80b43

                                  SHA512

                                  336309c4b89b9eab22070436669d664766e8a4e5456fd1fc3eb9c9446adfde16e488e9419a767718f7a33a81919c04146c1945b0f270417cb6af395144854e64

                                • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\persisted_first_party_sets.json

                                  Filesize

                                  2B

                                  MD5

                                  99914b932bd37a50b983c5e7c90ae93b

                                  SHA1

                                  bf21a9e8fbc5a3846fb05b4fa0859e0917b2202f

                                  SHA256

                                  44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a

                                  SHA512

                                  27c74670adb75075fad058d5ceaf7b20c4e7786c83bae8a32f626f9782af34c9a33c2046ef60fd2a7878d378e29fec851806bbd9a67878f3a9f1cda4830763fd