Analysis

  • max time kernel
    15s
  • max time network
    51s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    24-06-2024 14:30

Errors

Reason
Machine shutdown

General

  • Target

    Waltuhium.exe

  • Size

    10.6MB

  • MD5

    8200d020a6b7854f5ca4c0548b86b093

  • SHA1

    24c120c5f6e7c42c9541258e4add0e959a3c4f8c

  • SHA256

    18c766006964ed44aa9c82605660ee0c3eefcb577c5a5512b4e040a4e4aadf60

  • SHA512

    3a6ced1bd514248d70026df5398d1ed71f4789c46432bed54658ff1a568da1a2512b92a8538088aadcaba262d654b27de15307c7ecd9d45b5861b2ae39f045d1

  • SSDEEP

    196608:VcfVU3b01Kpn3V+uq+VvpSdQmRJ8dA6lRuVaycBIGpEGo6hTOv+QKfucQ8/6QjO:FL01+l+uq+VvUdQuslRl9foWOv+9fu6/

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 12 IoCs
  • Suspicious use of FindShellTrayWindow 34 IoCs
  • Suspicious use of SendNotifyMessage 32 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Waltuhium.exe
    "C:\Users\Admin\AppData\Local\Temp\Waltuhium.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1196
    • C:\Users\Admin\AppData\Local\Temp\Waltuhium.exe
      "C:\Users\Admin\AppData\Local\Temp\Waltuhium.exe"
      2⤵
      • Loads dropped DLL
      PID:2532
  • 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:2936
    • 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,0x7fef6e29758,0x7fef6e29768,0x7fef6e29778
      2⤵
        PID:3012
      • 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=1148 --field-trial-handle=1284,i,2138436347572196089,18227738744675253926,131072 /prefetch:2
        2⤵
          PID:2620
        • 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=1488 --field-trial-handle=1284,i,2138436347572196089,18227738744675253926,131072 /prefetch:8
          2⤵
            PID:1656
          • 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=1584 --field-trial-handle=1284,i,2138436347572196089,18227738744675253926,131072 /prefetch:8
            2⤵
              PID:1860
            • 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=2276 --field-trial-handle=1284,i,2138436347572196089,18227738744675253926,131072 /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 --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2288 --field-trial-handle=1284,i,2138436347572196089,18227738744675253926,131072 /prefetch:1
                2⤵
                  PID:1028
                • 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=1452 --field-trial-handle=1284,i,2138436347572196089,18227738744675253926,131072 /prefetch:2
                  2⤵
                    PID:2292
                  • 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=2212 --field-trial-handle=1284,i,2138436347572196089,18227738744675253926,131072 /prefetch:1
                    2⤵
                      PID:2820
                    • 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=3244 --field-trial-handle=1284,i,2138436347572196089,18227738744675253926,131072 /prefetch:8
                      2⤵
                        PID:568
                      • 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=3580 --field-trial-handle=1284,i,2138436347572196089,18227738744675253926,131072 /prefetch:8
                        2⤵
                          PID:2832
                        • 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=3552 --field-trial-handle=1284,i,2138436347572196089,18227738744675253926,131072 /prefetch:1
                          2⤵
                            PID:1744
                          • 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=12 --mojo-platform-channel-handle=2436 --field-trial-handle=1284,i,2138436347572196089,18227738744675253926,131072 /prefetch:1
                            2⤵
                              PID:540
                            • 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=13 --mojo-platform-channel-handle=2416 --field-trial-handle=1284,i,2138436347572196089,18227738744675253926,131072 /prefetch:1
                              2⤵
                                PID:568
                              • 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=4140 --field-trial-handle=1284,i,2138436347572196089,18227738744675253926,131072 /prefetch:8
                                2⤵
                                  PID:1704
                              • 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:2044
                                • C:\Windows\system32\LogonUI.exe
                                  "LogonUI.exe" /flags:0x0
                                  1⤵
                                    PID:696
                                  • C:\Windows\system32\LogonUI.exe
                                    "LogonUI.exe" /flags:0x1
                                    1⤵
                                      PID:1000

                                    Network

                                    MITRE ATT&CK Enterprise v15

                                    Replay Monitor

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                                    Downloads

                                    • C:\Program Files\Google\Chrome\Application\Dictionaries\en-US-10-1.bdic

                                      Filesize

                                      441KB

                                      MD5

                                      4604e676a0a7d18770853919e24ec465

                                      SHA1

                                      415ef3b2ca0851e00ebaf0d6c9f6213c561ac98f

                                      SHA256

                                      a075b01d9b015c616511a9e87da77da3d9881621db32f584e4606ddabf1c1100

                                      SHA512

                                      3d89c21f20772a8bebdb70b29c42fca2f6bffcda49dff9d5644f3f3910b7c710a5c20154a7af5134c9c7a8624a1251b5e56ced9351d87463f31bed8188eb0774

                                    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

                                      Filesize

                                      70KB

                                      MD5

                                      49aebf8cbd62d92ac215b2923fb1b9f5

                                      SHA1

                                      1723be06719828dda65ad804298d0431f6aff976

                                      SHA256

                                      b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

                                      SHA512

                                      bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

                                    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

                                      Filesize

                                      342B

                                      MD5

                                      d2a094beb2664c8d2d40f0a112e54d7d

                                      SHA1

                                      5183ff1240a24f02f8d3c2c16e30a7fc4d619cbf

                                      SHA256

                                      7eef44744dca2383e4aca2b75857613c922b9e05b86edc7330438019c35c5ed5

                                      SHA512

                                      ec41fd68e65ab09119394dd7ff2c81aab656ffdfd1204adf90ec3a275bf9b3d27582c81d3a523839c16b3438ad54ab03c88f9842a04947fd279c4edbeaf860a8

                                    • 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\Network\TransportSecurity

                                      Filesize

                                      1KB

                                      MD5

                                      c07a960efbf9e14d39041a79e87652f7

                                      SHA1

                                      01ba03e53d1cd7cab1cdb4af1eae9487414bf4e2

                                      SHA256

                                      718d40f58aecde6e0bb62f66301ec6aaf79b06a18b82deeec4df08ef8d5d7729

                                      SHA512

                                      ffa031ae0113ab93e5881f036dd58f6b0750376b5df54513009430c909b9bb22101d98cd91842c0b6962b6c8c306e2ac09f8bc5b7b868113c1506b244471d4fd

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

                                      Filesize

                                      5KB

                                      MD5

                                      73c677918a7f3cfd5a5c7df8fb6922e3

                                      SHA1

                                      36f83c4ec984f7b0e5f2e563d24db3d9f876095e

                                      SHA256

                                      f37707f7d1e55aa1524175dd6cd9c900686bd7c4e1596cc5f8a6c3823608fdac

                                      SHA512

                                      a1f55d9896e072186c564189ecf0de9f7824f6ef2a90fbb6a15d8f355dbbd5422684714786b3214661d22c8b2d60aeebf99aabb12ffd6bca4cb58e331979dab4

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

                                      Filesize

                                      6KB

                                      MD5

                                      02ed3cd354612e279cb58c81307859ad

                                      SHA1

                                      94c5720f2265625dc8a55d126952319297041e65

                                      SHA256

                                      730d71e39bd0bdf1517a3477869b586cd8038b982918a78c774fcaf447446428

                                      SHA512

                                      085c7d48dae0ec6abd25d7462394cf4ba87f241633faa495b283a61f79ecc760404f92c52becc88b234d40eeb84adc67b3be9a46eeefa003a8a1c6d1791f3e70

                                    • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Service Worker\Database\CURRENT~RFf766c2b.TMP

                                      Filesize

                                      16B

                                      MD5

                                      46295cac801e5d4857d09837238a6394

                                      SHA1

                                      44e0fa1b517dbf802b18faf0785eeea6ac51594b

                                      SHA256

                                      0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443

                                      SHA512

                                      8969402593f927350e2ceb4b5bc2a277f3754697c1961e3d6237da322257fbab42909e1a742e22223447f3a4805f8d8ef525432a7c3515a549e984d3eff72b23

                                    • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Site Characteristics Database\000007.dbtmp

                                      Filesize

                                      16B

                                      MD5

                                      18e723571b00fb1694a3bad6c78e4054

                                      SHA1

                                      afcc0ef32d46fe59e0483f9a3c891d3034d12f32

                                      SHA256

                                      8af72f43857550b01eab1019335772b367a17a9884a7a759fdf4fe6f272b90aa

                                      SHA512

                                      43bb0af7d3984012d2d67ca6b71f0201e5b948e6fe26a899641c4c6f066c59906d468ddf7f1df5ea5fa33c2bc5ea8219c0f2c82e0a5c365ad7581b898a8859e2

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

                                      Filesize

                                      281KB

                                      MD5

                                      9446a44d01f61f260ccaa0dd4c303177

                                      SHA1

                                      cc3d741a2e6d8a9536112b82d7b7fac09fb0672e

                                      SHA256

                                      ad86e9a202f56d9db2e8ffffffd29d0a82bd67b0061fe6d94f9be42c40fcc491

                                      SHA512

                                      7bba3b3139e6274a28cfca445e3c4de3a797e78fdf854e717ebc1714a4831392c0adae567d1639f3adf5bc4f976292a26f9eb1ea952c752f2ebdadf339cb9343

                                    • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\edcb422e-ec24-46a3-960c-f150cb691e45.tmp

                                      Filesize

                                      281KB

                                      MD5

                                      92264badc2c7b028d24d27a9e13f7ddb

                                      SHA1

                                      026dca6cedcab177f4f1f12a7d97a194e45dada7

                                      SHA256

                                      c20cc602027f0b304c6eb7f2dba3af513c925383ab26b30d883ddb778a15a15d

                                      SHA512

                                      7b27cf49f1792bef33182e4f4f89c44750c127e42c80e668ed297ccf654900e97326df4450bfc4e1144f9085c85da0a10d2d502cab69f4c0656939601aaad271

                                    • C:\Users\Admin\AppData\Local\Temp\Tar67B0.tmp

                                      Filesize

                                      181KB

                                      MD5

                                      4ea6026cf93ec6338144661bf1202cd1

                                      SHA1

                                      a1dec9044f750ad887935a01430bf49322fbdcb7

                                      SHA256

                                      8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

                                      SHA512

                                      6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

                                    • C:\Users\Admin\AppData\Local\Temp\_MEI11962\python310.dll

                                      Filesize

                                      4.3MB

                                      MD5

                                      deaf0c0cc3369363b800d2e8e756a402

                                      SHA1

                                      3085778735dd8badad4e39df688139f4eed5f954

                                      SHA256

                                      156cf2b64dd0f4d9bdb346b654a11300d6e9e15a65ef69089923dafc1c71e33d

                                      SHA512

                                      5cac1d92af7ee18425b5ee8e7cd4e941a9ddffb4bc1c12bb8aeabeed09acec1ff0309abc41a2e0c8db101fee40724f8bfb27a78898128f8746c8fe01c1631989

                                    • memory/696-726-0x0000000002E10000-0x0000000002E11000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/1000-727-0x0000000002B30000-0x0000000002B31000-memory.dmp

                                      Filesize

                                      4KB