Analysis

  • max time kernel
    30s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    18/03/2024, 23:05

General

  • Target
    tpm off.exe
  • Size 76.6MB
  • Sample240318-223vfsbc48
  • SHA256 54b545f5276ce01a5c7151e8ba1053264512be315aa88cdf5eab72aef69d02c2
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10
upx

Malware Config

Signatures

  • Loads dropped DLL 7 IoCs
  • UPX packed file 1 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of FindShellTrayWindow 35 IoCs
  • Suspicious use of SendNotifyMessage 32 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\tpm off.exe
    "C:\Users\Admin\AppData\Local\Temp\tpm off.exe"
    1⤵
      PID:2108
      • C:\Users\Admin\AppData\Local\Temp\tpm off.exe
        "C:\Users\Admin\AppData\Local\Temp\tpm off.exe"
        2⤵
        • Loads dropped DLL
        • Suspicious use of FindShellTrayWindow
        PID:1740
    • 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:2620
      • 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,0x7fef5689758,0x7fef5689768,0x7fef5689778
        2⤵
          PID:2252
        • 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=1156 --field-trial-handle=1232,i,15154257290979630944,8844288990595291321,131072 /prefetch:2
          2⤵
            PID:2996
          • 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=1512 --field-trial-handle=1232,i,15154257290979630944,8844288990595291321,131072 /prefetch:8
            2⤵
              PID:2756
            • 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=1604 --field-trial-handle=1232,i,15154257290979630944,8844288990595291321,131072 /prefetch:8
              2⤵
                PID:1100
              • 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=2312 --field-trial-handle=1232,i,15154257290979630944,8844288990595291321,131072 /prefetch:1
                2⤵
                  PID:1628
                • 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=2328 --field-trial-handle=1232,i,15154257290979630944,8844288990595291321,131072 /prefetch:1
                  2⤵
                    PID:2848
                  • 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=984 --field-trial-handle=1232,i,15154257290979630944,8844288990595291321,131072 /prefetch:2
                    2⤵
                      PID:1696
                    • 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=1456 --field-trial-handle=1232,i,15154257290979630944,8844288990595291321,131072 /prefetch:1
                      2⤵
                        PID:2080
                      • 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=3880 --field-trial-handle=1232,i,15154257290979630944,8844288990595291321,131072 /prefetch:8
                        2⤵
                          PID:2908
                        • 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=10 --mojo-platform-channel-handle=3180 --field-trial-handle=1232,i,15154257290979630944,8844288990595291321,131072 /prefetch:1
                          2⤵
                            PID:2020
                          • 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=11 --mojo-platform-channel-handle=1120 --field-trial-handle=1232,i,15154257290979630944,8844288990595291321,131072 /prefetch:1
                            2⤵
                              PID:3112
                          • 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:2588
                            • C:\Windows\explorer.exe
                              "C:\Windows\explorer.exe"
                              1⤵
                                PID:1212

                              Network

                                    MITRE ATT&CK Enterprise v15

                                    Replay Monitor

                                    Loading Replay Monitor...

                                    Downloads

                                    1686916f-7da2-4afc-abef-054c933dc09b.tmp

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\1686916f-7da2-4afc-abef-054c933dc09b.tmp
                                    • Size 260KB
                                    • SHA256 c3afb85937e033f10b4641c9968cb2c59fca67f0eba9909a1967da7619667b97
                                    • MD5 SHA1 SHA512 SSDEEP

                                    53a1dc08-1e7e-4e0a-a361-ae2b4da5c314.tmp

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\53a1dc08-1e7e-4e0a-a361-ae2b4da5c314.tmp
                                    • Size 4KB
                                    • SHA256 193cc62a5479294a3a04744768eccf2395b72860ae06fd0ba55ae5445de2ba4a
                                    • MD5 SHA1 SHA512 SSDEEP

                                    f_000001

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Cache\Cache_Data\f_000001
                                    • Size 196KB
                                    • SHA256 70cb2151ee4ef83195855d29819491a23c5eafee2e72b7ffd9041b35363d1542
                                    • MD5 SHA1 SHA512 SSDEEP

                                    the-real-index

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Code Cache\js\index-dir\the-real-index
                                    • Size 168B
                                    • SHA256 dca0546ed7e7d5fb50892fe1b85db11fa9fada4bbb5963c4619653a4b9565103
                                    • MD5 SHA1 SHA512

                                    data_1

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\GPUCache\data_1
                                    • Size 264KB
                                    • SHA256 b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec
                                    • MD5 SHA1 SHA512 SSDEEP

                                    Network Persistent State

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\Network Persistent State
                                    • Size 1KB
                                    • SHA256 578db8c424746cee14a9e227580ab20a9b060ace5d7fc98799766829b5e465cf
                                    • MD5 SHA1 SHA512

                                    TransportSecurity

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\TransportSecurity
                                    • Size 363B
                                    • SHA256 b9e968fb739be8e8b7a11935f5e7139046016686c598819f63a0c392594b5a64
                                    • MD5 SHA1 SHA512

                                    Preferences

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                    • Size 5KB
                                    • SHA256 0e6d62bcfcc486e2fd21b93767329b62a4254cb3068848b4494e07390dc1fdfb
                                    • MD5 SHA1 SHA512 SSDEEP

                                    Preferences

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                    • Size 4KB
                                    • SHA256 42744add0f81bda20342617c63f919b8a9ae18b6bdfe2b269307270bdb018f73
                                    • MD5 SHA1 SHA512 SSDEEP

                                    Preferences

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                    • Size 4KB
                                    • SHA256 182efb3e1ac26d3260cdc6c558706b03b8a1e549187962241b9cab700119b750
                                    • MD5 SHA1 SHA512 SSDEEP

                                    000007.dbtmp

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Site Characteristics Database\000007.dbtmp
                                    • Size 16B
                                    • SHA256 8af72f43857550b01eab1019335772b367a17a9884a7a759fdf4fe6f272b90aa
                                    • MD5 SHA1 SHA512

                                    Local State

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                    • Size 260KB
                                    • SHA256 a7673eaf0da5f5e98cc95369166bd2871ded126b6a1f5f491659c2968174e0b7
                                    • MD5 SHA1 SHA512 SSDEEP

                                    api-ms-win-core-processthreads-l1-1-1.dll

                                    • Path C:\Users\Admin\AppData\Local\Temp\_MEI21082\api-ms-win-core-processthreads-l1-1-1.dll
                                    • Size 21KB
                                    • SHA256 a79c7f86462d8ab8a7b73a3f9e469514f57f9fe456326be3727352b092b6b14a
                                    • MD5 SHA1 SHA512 SSDEEP

                                    python310.dll

                                    • Path C:\Users\Admin\AppData\Local\Temp\_MEI21082\python310.dll
                                    • Size 1.4MB
                                    • SHA256 ab3e996db016ba87004a3c4227313a86919ff6195eb4b03ac1ce523f126f2206
                                    • MD5 SHA1 SHA512 SSDEEP

                                    api-ms-win-core-file-l1-2-0.dll

                                    • Path \Users\Admin\AppData\Local\Temp\_MEI21082\api-ms-win-core-file-l1-2-0.dll
                                    • Size 21KB
                                    • SHA256 fa18d63a117153e2ace5400ed89b0806e96f0627d9db935906be9294a3038118
                                    • MD5 SHA1 SHA512 SSDEEP

                                    api-ms-win-core-file-l2-1-0.dll

                                    • Path \Users\Admin\AppData\Local\Temp\_MEI21082\api-ms-win-core-file-l2-1-0.dll
                                    • Size 18KB
                                    • SHA256 1ea267a2e6284f17dd548c6f2285e19f7edb15d6e737a55391140ce5cb95225e
                                    • MD5 SHA1 SHA512 SSDEEP

                                    api-ms-win-core-localization-l1-2-0.dll

                                    • Path \Users\Admin\AppData\Local\Temp\_MEI21082\api-ms-win-core-localization-l1-2-0.dll
                                    • Size 21KB
                                    • SHA256 d045a72c3e4d21165e9372f76b44ff116446c1e0c221d9cea3ab0a1134a310e8
                                    • MD5 SHA1 SHA512 SSDEEP

                                    api-ms-win-core-timezone-l1-1-0.dll

                                    • Path \Users\Admin\AppData\Local\Temp\_MEI21082\api-ms-win-core-timezone-l1-1-0.dll
                                    • Size 21KB
                                    • SHA256 5ab003e899270b04abc7f67be953eaccf980d5bbe80904c47f9aaf5d401bb044
                                    • MD5 SHA1 SHA512 SSDEEP

                                    ucrtbase.dll

                                    • Path \Users\Admin\AppData\Local\Temp\_MEI21082\ucrtbase.dll
                                    • Size 992KB
                                    • SHA256 8a91052ef261b5fbf3223ae9ce789af73dfe1e9b0ba5bdbc4d564870a24f2bae
                                    • MD5 SHA1 SHA512 SSDEEP

                                    memory/1740-1362-0x000007FEF36D0000-0x000007FEF3B3E000-memory.dmp