Analysis

  • max time kernel
    92s
  • max time network
    74s
  • 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 20:09

General

  • Target

    https://github.com/Endermanch/MalwareDatabase/blob/master/ransomwares/Petya.A.zip

Score
6/10

Malware Config

Signatures

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 33 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe" "--simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT'" https://github.com/Endermanch/MalwareDatabase/blob/master/ransomwares/Petya.A.zip
    1⤵
    • Enumerates system info in registry
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1224
    • 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,0xd0,0xd4,0xa8,0xd8,0x7ff833719758,0x7ff833719768,0x7ff833719778
      2⤵
        PID:1312
      • 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=1784 --field-trial-handle=1748,i,16029192874056182760,9684787434304973402,131072 /prefetch:8
        2⤵
          PID:4000
        • 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=1608 --field-trial-handle=1748,i,16029192874056182760,9684787434304973402,131072 /prefetch:2
          2⤵
            PID:3572
          • 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=2108 --field-trial-handle=1748,i,16029192874056182760,9684787434304973402,131072 /prefetch:8
            2⤵
              PID:2892
            • 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=1748,i,16029192874056182760,9684787434304973402,131072 /prefetch:1
              2⤵
                PID:4452
              • 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=2960 --field-trial-handle=1748,i,16029192874056182760,9684787434304973402,131072 /prefetch:1
                2⤵
                  PID:3480
                • 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=4684 --field-trial-handle=1748,i,16029192874056182760,9684787434304973402,131072 /prefetch:8
                  2⤵
                    PID:4756
                  • 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=4952 --field-trial-handle=1748,i,16029192874056182760,9684787434304973402,131072 /prefetch:8
                    2⤵
                      PID:4968
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=quarantine.mojom.Quarantine --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4768 --field-trial-handle=1748,i,16029192874056182760,9684787434304973402,131072 /prefetch:8
                      2⤵
                        PID:356
                    • 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:1132
                      • C:\Windows\System32\rundll32.exe
                        C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
                        1⤵
                          PID:2540
                        • C:\Users\Admin\AppData\Local\Temp\Temp1_Petya.A.zip\Endermanch@Petya.A.exe
                          "C:\Users\Admin\AppData\Local\Temp\Temp1_Petya.A.zip\Endermanch@Petya.A.exe"
                          1⤵
                          • Writes to the Master Boot Record (MBR)
                          • Suspicious use of SetWindowsHookEx
                          PID:2148

                        Network

                        MITRE ATT&CK Matrix ATT&CK v6

                        Persistence

                        Bootkit

                        1
                        T1067

                        Discovery

                        Query Registry

                        1
                        T1012

                        System Information Discovery

                        1
                        T1082

                        Command and Control

                        Web Service

                        1
                        T1102

                        Replay Monitor

                        Loading Replay Monitor...

                        Downloads

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

                          1KB

                          MD5

                          a670ff126f8f1df304318f27b696f46d

                          SHA1

                          944eb0e07914bde9affddc91769fb5c007a52944

                          SHA256

                          3cd285c1f16b0d54b19b43d1f1c864aa0cb29048bef730d1b8831968d6c1ff90

                          SHA512

                          19fa88affdf10d76cc9bf5464de57345f706a1443dc940db6a300872304e3501a0b69cf1302812f2fca9fa0009fa4087c97979ad2f85c889f02e35543ec62a8d

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

                          1KB

                          MD5

                          8cb952ac706a2188cc6634be18c8b7e8

                          SHA1

                          601d315b456ddb67a1e2f58137abcd6187c61670

                          SHA256

                          26d49e5bcb953e02e9a0b0e17713622c4cec8631330f9144fa09b408ac21a386

                          SHA512

                          3f7302e905fbb91c695a3f5c8b4de575be6a1be82ed92419f712ad5c674fbef008660328d7af3a733685f70ba945f6949f89d7147f556e9d9100ecf876d13ae8

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

                          1KB

                          MD5

                          86def91b918948140d28d462415ee1d5

                          SHA1

                          da8f5bf21c641172e2a475ec177acda5e8373aa2

                          SHA256

                          618babae291dd4f177378ae77f36f4da96e6d4c2504f8d9230d86137fb3e3967

                          SHA512

                          86b5a359902a88f8450dca93a123c60920462db26ed4dbc1d654abb8e44e816c3d5aaf41484d420921ee61756cb7d18d2ce41170274df20c38e691e375e5c485

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

                          1KB

                          MD5

                          7ee079d391881daaef48057c4bde75f6

                          SHA1

                          284450ea75628c86b88cac98734f7adcf4eaab3b

                          SHA256

                          d783e6cea0ffa4fe439cc7eef7d82958dcb4b40334300c72f48597bd526c88aa

                          SHA512

                          cb42c0050a3ee6515bcd57e19693efa1332dce866b6135f2188fc42fa3359bd6188e8b2a6f1f95e7d9a2f7fd98740ef15829ee17c182d2dde1ea562fca9fe9df

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

                          5KB

                          MD5

                          cb31bf258addbbc98097f2f3478aadab

                          SHA1

                          fbe2ec9815af336e23c7f167c57a782b1c03b3c0

                          SHA256

                          19f822b8224a5913b9b60eab2171cfdc8c447f98fc3bd339bc51ce7876e3e662

                          SHA512

                          db53d0112924d9fc21d6fce8026504bd340935dbe1234149a83aabac614b69dd602edc4a2fff85fd26e5d6e9a3a0c697ccae64f26a633805bdafa9b62697c251

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

                          5KB

                          MD5

                          dc8189a1cc64a980fca63502f6782636

                          SHA1

                          1fad78141c390433857963a74acec2f0de144ad5

                          SHA256

                          d0468f367d4b9f6970a0c33ff56d3b8719fa5d0465d7cc5ebe051899b4aad38d

                          SHA512

                          d3b74287e7a6c0b685d56d855b3b68058f29cb293e55ac9baebe2b98b35609fd3e5b6badb8c55b2a4431ef03c2e1d9abe45ba5b452184319dfe5daf511fdc44c

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

                          5KB

                          MD5

                          adb5d492e5695ee17e75e6c364dc2d01

                          SHA1

                          0deb02f130e29e9d1a8cc450a2909638a9512157

                          SHA256

                          22717ff6c2a87307777f529ae3fed3b9b726b7f4dfeb43f06a79f11d6accd278

                          SHA512

                          f98352005a31653c7ee10b414db96f74c59150eb06f028dff4fff0bbe3a193b170861224eae649ddc3d10cc6831af5b03b224da97f10515ff30ee21ef27a77be

                        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\e693ac14-21a6-4d95-9265-9e8dc848232d.tmp
                          Filesize

                          5KB

                          MD5

                          4b62ec4c4b721cf4d0f29c22b0bf6c01

                          SHA1

                          68680f04359361d23dbf583e0bb2fa3ea31c25fa

                          SHA256

                          6e25cf560f512c7a08b581950bbd7eb650275726e79ab0628ccccb5330a3ee4e

                          SHA512

                          1fafaa9b054aa24413b78272b140235b4f5a6fc1e4406561c5206023b04b1c6a0163a897b14443e03566491f4345d87e1b133989f7e233b04c13bcfa49703009

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

                          173KB

                          MD5

                          dd4a42d70a44dcfef3f693aa8ce9dde8

                          SHA1

                          bd45b3248caa2160e9af29d770e7350050026115

                          SHA256

                          48f429df36c0eb221907f6ad7de3f0323e91a22debc2538d0d2062ac8844e8a2

                          SHA512

                          aa2904e2c1140c500b3947fd16fc7961c3e2e27bce7cda89988537f7e043c2f9c2f5a605c6c80392d1382ed9e750751a443cd0b0cc32ffccf02e57950e63e26e

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

                          2B

                          MD5

                          99914b932bd37a50b983c5e7c90ae93b

                          SHA1

                          bf21a9e8fbc5a3846fb05b4fa0859e0917b2202f

                          SHA256

                          44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a

                          SHA512

                          27c74670adb75075fad058d5ceaf7b20c4e7786c83bae8a32f626f9782af34c9a33c2046ef60fd2a7878d378e29fec851806bbd9a67878f3a9f1cda4830763fd

                        • C:\Users\Admin\Downloads\Petya.A.zip
                          Filesize

                          128KB

                          MD5

                          1559522c34054e5144fe68ee98c29e61

                          SHA1

                          ff80eeb6bcf4498c9ff38c252be2726e65c10c34

                          SHA256

                          e99651aa5c5dcf9128adc8da685f1295b959f640a173098d07018b030d529509

                          SHA512

                          6dab1f391ab1bea12b799fcfb56d70cfbdbde05ad350b53fcb782418495fad1c275fe1a40f9edd238473c3d532b4d87948bddd140e5912f14aff4293be6e4b4c

                        • \??\pipe\crashpad_1224_FFXDPOABUSXROUGU
                          MD5

                          d41d8cd98f00b204e9800998ecf8427e

                          SHA1

                          da39a3ee5e6b4b0d3255bfef95601890afd80709

                          SHA256

                          e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                          SHA512

                          cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                        • memory/2148-280-0x00000000001E0000-0x00000000001F2000-memory.dmp
                          Filesize

                          72KB