Analysis

  • max time kernel
    486s
  • max time network
    523s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    10/10/2023, 13:38

General

  • Target

    Loader.exe

  • Size

    1.9MB

  • MD5

    aad77527dc2ad2e9a2973b7b59a2c113

  • SHA1

    f773a2b50c3a859d7354d7306c850c3b4b19e673

  • SHA256

    a03dc25fdd0c2d81882988abf1b1f051a25b42bded5b1f960448037816e3160f

  • SHA512

    8a228f7fcbdf23fb0485b368e150b55ff9ab6a0e69e49a832369fd29834cc4b9a3f2282fd8b31bccc26773608d4ddf9a2c6fd265788891bc9020945fa216d3f3

  • SSDEEP

    49152:zzt+caQnwV3mq7PDtyqtCdwdypo0QMLc/sB3Bt:zzXsV3rPxHnA9QMQ/sB3H

Score
8/10

Malware Config

Signatures

  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 6 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 22 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\Loader.exe
    "C:\Users\Admin\AppData\Local\Temp\Loader.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Windows directory
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:808
    • C:\Windows\CCOfficial\Fixed.exe
      "C:\Windows\CCOfficial\Fixed.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2580
      • C:\Windows\system32\WerFault.exe
        C:\Windows\system32\WerFault.exe -u -p 2580 -s 676
        3⤵
        • Loads dropped DLL
        PID:2936
  • 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:1664
    • 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,0x7fef6a49758,0x7fef6a49768,0x7fef6a49778
      2⤵
        PID:2928
      • 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=1164 --field-trial-handle=1376,i,839493992825736965,8528717814563414531,131072 /prefetch:2
        2⤵
          PID:1328
        • 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=1516 --field-trial-handle=1376,i,839493992825736965,8528717814563414531,131072 /prefetch:8
          2⤵
            PID:640
          • 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=1612 --field-trial-handle=1376,i,839493992825736965,8528717814563414531,131072 /prefetch:8
            2⤵
              PID:848
            • 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=2284 --field-trial-handle=1376,i,839493992825736965,8528717814563414531,131072 /prefetch:1
              2⤵
                PID:1676
              • 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=2260 --field-trial-handle=1376,i,839493992825736965,8528717814563414531,131072 /prefetch:1
                2⤵
                  PID:2000
                • 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=1428 --field-trial-handle=1376,i,839493992825736965,8528717814563414531,131072 /prefetch:2
                  2⤵
                    PID:2664
                  • 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 --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=3292 --field-trial-handle=1376,i,839493992825736965,8528717814563414531,131072 /prefetch:1
                    2⤵
                      PID:2528
                    • 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=3500 --field-trial-handle=1376,i,839493992825736965,8528717814563414531,131072 /prefetch:8
                      2⤵
                        PID:2912
                      • 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=3488 --field-trial-handle=1376,i,839493992825736965,8528717814563414531,131072 /prefetch:8
                        2⤵
                          PID:2100
                        • 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=3852 --field-trial-handle=1376,i,839493992825736965,8528717814563414531,131072 /prefetch:8
                          2⤵
                            PID:1984
                        • 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:1120

                          Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

                                Loading Replay Monitor...

                                Downloads

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

                                  Filesize

                                  344B

                                  MD5

                                  cda86af74e1e645709a2480452018d1d

                                  SHA1

                                  28726ff6ac3d27b072c08f737eca2f92402299a2

                                  SHA256

                                  a0255332c81107135147d18aa0fea01578bb692201e925084006396e241cfaaf

                                  SHA512

                                  d033f3c1cc02af0b100dbebf5622471ac94037fe4205d76bcfaeaf771a2826c37abf5f7fbeecf75cc85ff0b6b0578b5e90775341f05c7192a65b660f41051697

                                • 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\Preferences

                                  Filesize

                                  4KB

                                  MD5

                                  a9372e4be8bf88d0f7046365cad03c73

                                  SHA1

                                  e3694d21ebf7fea5a276cc08d7b5c8c0965c1cd1

                                  SHA256

                                  2f2f8957b320894514065904b7b1877bb9d209e487f2cd91c526840800f7dace

                                  SHA512

                                  2f56f2daa78cb771bcfef16d1b505b16a622a794b53460f515b51a244c334509e6246d47108459aff1730dcd634f16b006276d16a5094e2e3cb2784dc831ee5d

                                • 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\Temp\Cab50FF.tmp

                                  Filesize

                                  61KB

                                  MD5

                                  f3441b8572aae8801c04f3060b550443

                                  SHA1

                                  4ef0a35436125d6821831ef36c28ffaf196cda15

                                  SHA256

                                  6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

                                  SHA512

                                  5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

                                • C:\Users\Admin\AppData\Local\Temp\Tar5259.tmp

                                  Filesize

                                  163KB

                                  MD5

                                  9441737383d21192400eca82fda910ec

                                  SHA1

                                  725e0d606a4fc9ba44aa8ffde65bed15e65367e4

                                  SHA256

                                  bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5

                                  SHA512

                                  7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf

                                • C:\Windows\CCOfficial\Fixed.exe

                                  Filesize

                                  5.0MB

                                  MD5

                                  12f4538736016882df55a5f846db4bdb

                                  SHA1

                                  3b5af3f096b24e091fc680dee79d11995854e417

                                  SHA256

                                  866ae9b350ccd06f7b23c89846c6c2980ea802bda7315f59b2fbdb1653bf376f

                                  SHA512

                                  c0d38db848ec66d87a0d1230bf49982265f4ae2b5d1e39b28cf705712021ded7c55334d028106587053227a08e4f818dfc71f7cee6d487a530b003735d6b5a04

                                • C:\Windows\CCOfficial\Fixed.exe

                                  Filesize

                                  5.0MB

                                  MD5

                                  12f4538736016882df55a5f846db4bdb

                                  SHA1

                                  3b5af3f096b24e091fc680dee79d11995854e417

                                  SHA256

                                  866ae9b350ccd06f7b23c89846c6c2980ea802bda7315f59b2fbdb1653bf376f

                                  SHA512

                                  c0d38db848ec66d87a0d1230bf49982265f4ae2b5d1e39b28cf705712021ded7c55334d028106587053227a08e4f818dfc71f7cee6d487a530b003735d6b5a04

                                • \Windows\CCOfficial\Fixed.exe

                                  Filesize

                                  5.0MB

                                  MD5

                                  12f4538736016882df55a5f846db4bdb

                                  SHA1

                                  3b5af3f096b24e091fc680dee79d11995854e417

                                  SHA256

                                  866ae9b350ccd06f7b23c89846c6c2980ea802bda7315f59b2fbdb1653bf376f

                                  SHA512

                                  c0d38db848ec66d87a0d1230bf49982265f4ae2b5d1e39b28cf705712021ded7c55334d028106587053227a08e4f818dfc71f7cee6d487a530b003735d6b5a04

                                • \Windows\CCOfficial\Fixed.exe

                                  Filesize

                                  5.0MB

                                  MD5

                                  12f4538736016882df55a5f846db4bdb

                                  SHA1

                                  3b5af3f096b24e091fc680dee79d11995854e417

                                  SHA256

                                  866ae9b350ccd06f7b23c89846c6c2980ea802bda7315f59b2fbdb1653bf376f

                                  SHA512

                                  c0d38db848ec66d87a0d1230bf49982265f4ae2b5d1e39b28cf705712021ded7c55334d028106587053227a08e4f818dfc71f7cee6d487a530b003735d6b5a04

                                • \Windows\CCOfficial\Fixed.exe

                                  Filesize

                                  5.0MB

                                  MD5

                                  12f4538736016882df55a5f846db4bdb

                                  SHA1

                                  3b5af3f096b24e091fc680dee79d11995854e417

                                  SHA256

                                  866ae9b350ccd06f7b23c89846c6c2980ea802bda7315f59b2fbdb1653bf376f

                                  SHA512

                                  c0d38db848ec66d87a0d1230bf49982265f4ae2b5d1e39b28cf705712021ded7c55334d028106587053227a08e4f818dfc71f7cee6d487a530b003735d6b5a04

                                • \Windows\CCOfficial\Fixed.exe

                                  Filesize

                                  5.0MB

                                  MD5

                                  12f4538736016882df55a5f846db4bdb

                                  SHA1

                                  3b5af3f096b24e091fc680dee79d11995854e417

                                  SHA256

                                  866ae9b350ccd06f7b23c89846c6c2980ea802bda7315f59b2fbdb1653bf376f

                                  SHA512

                                  c0d38db848ec66d87a0d1230bf49982265f4ae2b5d1e39b28cf705712021ded7c55334d028106587053227a08e4f818dfc71f7cee6d487a530b003735d6b5a04

                                • \Windows\CCOfficial\Fixed.exe

                                  Filesize

                                  5.0MB

                                  MD5

                                  12f4538736016882df55a5f846db4bdb

                                  SHA1

                                  3b5af3f096b24e091fc680dee79d11995854e417

                                  SHA256

                                  866ae9b350ccd06f7b23c89846c6c2980ea802bda7315f59b2fbdb1653bf376f

                                  SHA512

                                  c0d38db848ec66d87a0d1230bf49982265f4ae2b5d1e39b28cf705712021ded7c55334d028106587053227a08e4f818dfc71f7cee6d487a530b003735d6b5a04

                                • \Windows\CCOfficial\Fixed.exe

                                  Filesize

                                  5.0MB

                                  MD5

                                  12f4538736016882df55a5f846db4bdb

                                  SHA1

                                  3b5af3f096b24e091fc680dee79d11995854e417

                                  SHA256

                                  866ae9b350ccd06f7b23c89846c6c2980ea802bda7315f59b2fbdb1653bf376f

                                  SHA512

                                  c0d38db848ec66d87a0d1230bf49982265f4ae2b5d1e39b28cf705712021ded7c55334d028106587053227a08e4f818dfc71f7cee6d487a530b003735d6b5a04

                                • memory/808-83-0x0000000004800000-0x0000000004840000-memory.dmp

                                  Filesize

                                  256KB

                                • memory/808-90-0x00000000743B0000-0x0000000074A9E000-memory.dmp

                                  Filesize

                                  6.9MB

                                • memory/808-0-0x0000000000AF0000-0x0000000000CDE000-memory.dmp

                                  Filesize

                                  1.9MB

                                • memory/808-82-0x00000000743B0000-0x0000000074A9E000-memory.dmp

                                  Filesize

                                  6.9MB

                                • memory/808-2-0x0000000004800000-0x0000000004840000-memory.dmp

                                  Filesize

                                  256KB

                                • memory/808-1-0x00000000743B0000-0x0000000074A9E000-memory.dmp

                                  Filesize

                                  6.9MB

                                • memory/2580-95-0x0000000000E80000-0x0000000000E94000-memory.dmp

                                  Filesize

                                  80KB

                                • memory/2580-96-0x000000001CA70000-0x000000001CE46000-memory.dmp

                                  Filesize

                                  3.8MB

                                • memory/2580-94-0x000000001C920000-0x000000001CA6E000-memory.dmp

                                  Filesize

                                  1.3MB

                                • memory/2580-93-0x000000001C070000-0x000000001C0F0000-memory.dmp

                                  Filesize

                                  512KB

                                • memory/2580-92-0x000007FEF5570000-0x000007FEF5F5C000-memory.dmp

                                  Filesize

                                  9.9MB

                                • memory/2580-91-0x00000000008D0000-0x0000000000DDA000-memory.dmp

                                  Filesize

                                  5.0MB

                                • memory/2580-102-0x000007FEF5570000-0x000007FEF5F5C000-memory.dmp

                                  Filesize

                                  9.9MB