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Analysis

  • max time kernel
    1366s
  • max time network
    1160s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231020-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/10/2023, 22:56

General

  • Target

    https://gofile.io/d/mVRtyy

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Modifies registry class 1 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 34 IoCs
  • Suspicious use of FindShellTrayWindow 36 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument https://gofile.io/d/mVRtyy
    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:4812
    • 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=0xfc,0x100,0x104,0xd8,0x108,0x7ffc272d9758,0x7ffc272d9768,0x7ffc272d9778
      2⤵
        PID:4972
      • 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=1768 --field-trial-handle=1780,i,18288573471097776275,13673085817376627946,131072 /prefetch:2
        2⤵
          PID:4828
        • 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=2132 --field-trial-handle=1780,i,18288573471097776275,13673085817376627946,131072 /prefetch:8
          2⤵
            PID:1516
          • 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=2232 --field-trial-handle=1780,i,18288573471097776275,13673085817376627946,131072 /prefetch:8
            2⤵
              PID:4800
            • 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=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=3024 --field-trial-handle=1780,i,18288573471097776275,13673085817376627946,131072 /prefetch:1
              2⤵
                PID:2868
              • 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=4 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=3012 --field-trial-handle=1780,i,18288573471097776275,13673085817376627946,131072 /prefetch:1
                2⤵
                  PID:3224
                • 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=4 --enable-main-frame-before-activation --renderer-client-id=7 --mojo-platform-channel-handle=4668 --field-trial-handle=1780,i,18288573471097776275,13673085817376627946,131072 /prefetch:1
                  2⤵
                    PID:3716
                  • 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=4 --enable-main-frame-before-activation --renderer-client-id=8 --mojo-platform-channel-handle=3868 --field-trial-handle=1780,i,18288573471097776275,13673085817376627946,131072 /prefetch:1
                    2⤵
                      PID:3328
                    • 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=4 --enable-main-frame-before-activation --renderer-client-id=9 --mojo-platform-channel-handle=5268 --field-trial-handle=1780,i,18288573471097776275,13673085817376627946,131072 /prefetch:1
                      2⤵
                        PID:4628
                      • 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=5524 --field-trial-handle=1780,i,18288573471097776275,13673085817376627946,131072 /prefetch:8
                        2⤵
                          PID:2696
                        • 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=4964 --field-trial-handle=1780,i,18288573471097776275,13673085817376627946,131072 /prefetch:8
                          2⤵
                            PID:1184
                          • 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=4 --enable-main-frame-before-activation --renderer-client-id=12 --mojo-platform-channel-handle=5692 --field-trial-handle=1780,i,18288573471097776275,13673085817376627946,131072 /prefetch:1
                            2⤵
                              PID:628
                            • 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=6116 --field-trial-handle=1780,i,18288573471097776275,13673085817376627946,131072 /prefetch:8
                              2⤵
                                PID:4608
                              • 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=4 --enable-main-frame-before-activation --renderer-client-id=14 --mojo-platform-channel-handle=5968 --field-trial-handle=1780,i,18288573471097776275,13673085817376627946,131072 /prefetch:1
                                2⤵
                                  PID:5344
                              • 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:4732
                                • C:\Windows\System32\rundll32.exe
                                  C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
                                  1⤵
                                    PID:5728
                                  • C:\Program Files\7-Zip\7zG.exe
                                    "C:\Program Files\7-Zip\7zG.exe" x -o"C:\Users\Admin\Downloads\" -an -ai#7zMap18155:100:7zEvent8690
                                    1⤵
                                    • Suspicious use of AdjustPrivilegeToken
                                    • Suspicious use of FindShellTrayWindow
                                    PID:3536
                                  • C:\Users\Admin\Downloads\unsteam_loader_x64.exe
                                    "C:\Users\Admin\Downloads\unsteam_loader_x64.exe"
                                    1⤵
                                    • Executes dropped EXE
                                    PID:4744
                                  • C:\Users\Admin\Downloads\unsteam_loader_x64.exe
                                    "C:\Users\Admin\Downloads\unsteam_loader_x64.exe"
                                    1⤵
                                    • Executes dropped EXE
                                    PID:3036
                                  • C:\Windows\system32\NOTEPAD.EXE
                                    "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Downloads\unsteam.ini
                                    1⤵
                                    • Opens file in notepad (likely ransom note)
                                    PID:4304

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

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                                  Downloads

                                  • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Cache\Cache_Data\f_000010

                                    Filesize

                                    113KB

                                    MD5

                                    f3a3516520962e01d804e9d64284dbe1

                                    SHA1

                                    5bda6a54907661a3d8ce5ea4732a5be8ff1ece91

                                    SHA256

                                    9b9c0d3c38fb04f7e9a71b7b73c6b633ce0345829eddce15e404783fb8c9a7ce

                                    SHA512

                                    d84c2eecdf8d733380f97e80fcd7d442b1b2ef4ee820fa69e0a807cbee32d6818e1d16122caa83146a3c1a9818117a6773302bfee7094e96564dd740ee1b412d

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

                                    Filesize

                                    480B

                                    MD5

                                    bdddfc57c08ed9c60e742dba299f4c3c

                                    SHA1

                                    3c2b3105e652518d00fedf4de96e23711423fb33

                                    SHA256

                                    c93bfdd736d113065e9b924018466049727c514f18ee3fb3d1c7263f4f2bb390

                                    SHA512

                                    0d71f637e74d757852cbd33c4d0f6ac57b4f20969fb19c9d21bb7cde7d4979985d9be328632140993fb34833e5a43b3fce67ebab50d9a25f18bf165bdbe0f15e

                                  • 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\Network Persistent State

                                    Filesize

                                    5KB

                                    MD5

                                    64e2f5749f308eed669b852d3883ebb7

                                    SHA1

                                    3571997274c50c1dd07d9dff0b1ef564738e9e7d

                                    SHA256

                                    e9263ce7babfded4ad7fc4c63703c0f3bb35d5fd72bafb0c7003bb7b3cb80eb2

                                    SHA512

                                    24032bff74821778914abbcd174bc73edfb8a5a3dab1e63688679d21c23edc3e75e20e225f615e0ac6fa9df60eb154db7b4c4cdfa210ae53ff4539417cd92152

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

                                    Filesize

                                    1KB

                                    MD5

                                    094115dc2a4abce8fa7f6c6c38ae5d39

                                    SHA1

                                    8d57eda28734476d02d567591634952b851314be

                                    SHA256

                                    aaf8dadf63c76147a280f5f1fed92d0f153c46d33596c2deed051abf3f92150a

                                    SHA512

                                    1a500cc95b013cbbb173db465e4f42352b24412ced48e1961e190a89d93a7358a03052c8c830c01626b37e54f1585bf40090b46abc7d102ea8f693e22cdaba94

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

                                    Filesize

                                    2KB

                                    MD5

                                    0e4a235166c542d9ecc493ed2809ccf8

                                    SHA1

                                    9491197440d4567e4e1a0cea9e2dc5609f19a6cb

                                    SHA256

                                    5738d80713b3447d1365394e5dac1caf313c1135aefb8f07a56d54ffb2f30e16

                                    SHA512

                                    88b897c43127c02c20710942e7039aefac9d12bf8a5574ecc68480418d3842f763939b36cf31c92cfa36d76f965a3decce82156bf9d943861084949ffef00fd9

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

                                    Filesize

                                    6KB

                                    MD5

                                    951a2b18bce50f96c29ea7d2ca5abc78

                                    SHA1

                                    b6b8edf245dd529330a93a1e615a0e4b327b09b4

                                    SHA256

                                    00eb44224d67e6891ee79b38f71de2272d5ad6b111367a1cd84cb92582ff22c9

                                    SHA512

                                    a6833e6a365eff2b5db49a10f32559b869c37ebeedb4ef781beffb8c3a290eb6c182581dcfb4f18f497190c2bd0c08adb6fed2acd0920dd40e2a38dfd7d6bace

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

                                    Filesize

                                    6KB

                                    MD5

                                    fec0db5f799992cb24b6ef4e95cc1477

                                    SHA1

                                    a4df91d4cae0f7cca9b2a5386b33de4e3cdbc098

                                    SHA256

                                    77cfeeaf8e50989c2dd419a307e3427ecf729e629c06935b3ed12962445b8c21

                                    SHA512

                                    9665bea364358fa1d239d598eb31584240129bfe70aa8beb160714524f2c6595f0d92bfc5ff32a7ca222347351d97856e571d7b3e30b4ce122c4b1de6b184f94

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

                                    Filesize

                                    109KB

                                    MD5

                                    3ead8d56417d8ec01ef0d5362b72e111

                                    SHA1

                                    e7f9ec94f735994fccfe19f8ffcd716af4723e25

                                    SHA256

                                    5a2612b3e4e8039c055d9415962590c689d1b2b13ab3a81a1441a47578ec68af

                                    SHA512

                                    6be58bc12223003f733f80c5d23bfe0cb2d461a2f869171eb0777add17a93d14497b04382911ab54aa53d36861057849aadb02a3cbb22638d090bb10e3e3efe7

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

                                    Filesize

                                    109KB

                                    MD5

                                    ee1023b9ccff89f5fc5954dac52ee81d

                                    SHA1

                                    cea5468a01ac7b42d92b8c5e8fd38c036cb6b840

                                    SHA256

                                    96f4bec2cf16d5403585e8acc1d8d712b6e38850b256b428786a4d9632fe8653

                                    SHA512

                                    75d1e734ab487bba023b1dcdfe0fa4bb9cc470a1a2419fe42ca49e53dc39c4a22b86940bd1adf034c3553ba2be7c0ad36c61528b772d4d7fbd4a6e835c287a2e

                                  • 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\Unsteam_x64_Release.zip

                                    Filesize

                                    113KB

                                    MD5

                                    f3a3516520962e01d804e9d64284dbe1

                                    SHA1

                                    5bda6a54907661a3d8ce5ea4732a5be8ff1ece91

                                    SHA256

                                    9b9c0d3c38fb04f7e9a71b7b73c6b633ce0345829eddce15e404783fb8c9a7ce

                                    SHA512

                                    d84c2eecdf8d733380f97e80fcd7d442b1b2ef4ee820fa69e0a807cbee32d6818e1d16122caa83146a3c1a9818117a6773302bfee7094e96564dd740ee1b412d

                                  • C:\Users\Admin\Downloads\unsteam.ini

                                    Filesize

                                    820B

                                    MD5

                                    37f713b1f9cb2c190abf41edc40c531c

                                    SHA1

                                    53c13fa022800e5c416a445d0d761a0e8f111fbb

                                    SHA256

                                    08f53e910a86fa2afc3c73578cf809df064e0a9869ba0864dd4fd821bc373b14

                                    SHA512

                                    291d2b1b1602dd125e3b11531f0424d77ab0e13267af6dc937d202628d9d3febf6176705778dfcd7de2fb7cbaf7776c0632142b3ce90d6ff2204d93f830c715d

                                  • C:\Users\Admin\Downloads\unsteam_loader_x64.exe

                                    Filesize

                                    92KB

                                    MD5

                                    7888e67145a049aae0b9d6baa0e92e32

                                    SHA1

                                    e53398d261be1cdce8f93508881ec4f9f1626b67

                                    SHA256

                                    ac433d44250b787742ba85199528fb08d747a4dc845ab07a1339fdd3144aaba8

                                    SHA512

                                    3ec63049a851917e3307682b248096054fe7c1185f7b89885c4818e1de3fbc1afbcb85a148b4077c55a2a37a2255c0b4d7dc3aac58fbe40c883353715c74fa46

                                  • C:\Users\Admin\Downloads\unsteam_loader_x64.exe

                                    Filesize

                                    92KB

                                    MD5

                                    7888e67145a049aae0b9d6baa0e92e32

                                    SHA1

                                    e53398d261be1cdce8f93508881ec4f9f1626b67

                                    SHA256

                                    ac433d44250b787742ba85199528fb08d747a4dc845ab07a1339fdd3144aaba8

                                    SHA512

                                    3ec63049a851917e3307682b248096054fe7c1185f7b89885c4818e1de3fbc1afbcb85a148b4077c55a2a37a2255c0b4d7dc3aac58fbe40c883353715c74fa46

                                  • C:\Users\Admin\Downloads\unsteam_loader_x64.exe

                                    Filesize

                                    92KB

                                    MD5

                                    7888e67145a049aae0b9d6baa0e92e32

                                    SHA1

                                    e53398d261be1cdce8f93508881ec4f9f1626b67

                                    SHA256

                                    ac433d44250b787742ba85199528fb08d747a4dc845ab07a1339fdd3144aaba8

                                    SHA512

                                    3ec63049a851917e3307682b248096054fe7c1185f7b89885c4818e1de3fbc1afbcb85a148b4077c55a2a37a2255c0b4d7dc3aac58fbe40c883353715c74fa46