Analysis

  • max time kernel
    38s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    09/03/2024, 13:25

General

  • Target

    Loader.exe

  • Size

    196KB

  • MD5

    6a793f140af7750f767c8710f1876dc7

  • SHA1

    ca3c1e4e8063f97b5241e7d717ec555ba42fdfa6

  • SHA256

    9fff2dedf36d298a9feee490a6f75add32aba917090c8bc4168f3319ab02b58b

  • SHA512

    f6e61f4568ecbda7d59837e3476446eaa0cd0a64789373de543a303fba9129055acc60e543af6db26105e610f77c7e8c05e3c0fdfac027914e295cd6633652a6

  • SSDEEP

    6144:GtKeofUmu0iEzeGANAf6+TcprHEBmDIx26W/MoaBPMwfs7PW7Lf/tv8p5cSrDewC:GseofUmu0iEzeGANAf6+TcprHEBmDIxN

Score
7/10

Malware Config

Signatures

  • .NET Reactor proctector 2 IoCs

    Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

  • Program crash 1 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 56 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⤵
    • Suspicious use of WriteProcessMemory
    PID:2520
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2520 -s 624
      2⤵
      • Program crash
      PID:2440
  • 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:2584
    • 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,0x7fef7c19758,0x7fef7c19768,0x7fef7c19778
      2⤵
        PID:2536
      • 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=1160 --field-trial-handle=1376,i,7178362065506333716,12819397969433068399,131072 /prefetch:2
        2⤵
          PID:2456
        • 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=1436 --field-trial-handle=1376,i,7178362065506333716,12819397969433068399,131072 /prefetch:8
          2⤵
            PID:2744
          • 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,7178362065506333716,12819397969433068399,131072 /prefetch:8
            2⤵
              PID:2792
            • 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=2296 --field-trial-handle=1376,i,7178362065506333716,12819397969433068399,131072 /prefetch:1
              2⤵
                PID:1724
              • 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=1376,i,7178362065506333716,12819397969433068399,131072 /prefetch:1
                2⤵
                  PID:1496
                • 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=1600 --field-trial-handle=1376,i,7178362065506333716,12819397969433068399,131072 /prefetch:2
                  2⤵
                    PID:2164
                  • 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=1444 --field-trial-handle=1376,i,7178362065506333716,12819397969433068399,131072 /prefetch:1
                    2⤵
                      PID:696
                    • 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=3680 --field-trial-handle=1376,i,7178362065506333716,12819397969433068399,131072 /prefetch:8
                      2⤵
                        PID:2052
                      • 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=1072 --field-trial-handle=1376,i,7178362065506333716,12819397969433068399,131072 /prefetch:1
                        2⤵
                          PID:2212
                        • 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=1500 --field-trial-handle=1376,i,7178362065506333716,12819397969433068399,131072 /prefetch:1
                          2⤵
                            PID:1236
                          • 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=2428 --field-trial-handle=1376,i,7178362065506333716,12819397969433068399,131072 /prefetch:1
                            2⤵
                              PID:1504
                            • 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=2088 --field-trial-handle=1376,i,7178362065506333716,12819397969433068399,131072 /prefetch:1
                              2⤵
                                PID:2324
                              • 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=14 --mojo-platform-channel-handle=2744 --field-trial-handle=1376,i,7178362065506333716,12819397969433068399,131072 /prefetch:1
                                2⤵
                                  PID:1348
                              • 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:2236

                                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_000001

                                  Filesize

                                  194KB

                                  MD5

                                  f5b4137b040ec6bd884feee514f7c176

                                  SHA1

                                  7897677377a9ced759be35a66fdee34b391ab0ff

                                  SHA256

                                  845aa24ba38524f33f097b0d9bae7d9112b01fa35c443be5ec1f7b0da23513e6

                                  SHA512

                                  813b764a5650e4e3d1574172dd5d6a26f72c0ba5c8af7b0d676c62bc1b245e4563952bf33663bffc02089127b76a67f9977b0a8f18eaef22d9b4aa3abaaa7c40

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

                                  Filesize

                                  168B

                                  MD5

                                  e4215bc7c041930c0a1025bf7ba10467

                                  SHA1

                                  e160f66a1f5d918f1bd3b1ce9e111a24a9325cc9

                                  SHA256

                                  d2ba65cb4fd2200392df9e7db30a6d6e07fbb10cf8e87c7b9f7e3b3690e9847f

                                  SHA512

                                  35e81c30bc8af47dc7b5794d3f12b4991be4524638420d8803c90f04d63ff529a093f57c5bc07c439e58f28c272a66e8db483d221e6ebf90dfceddfd2c58714c

                                • 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

                                  986B

                                  MD5

                                  882be63a819d38369b06e6918305d511

                                  SHA1

                                  ba2c0efaf46de9df83121bb2a7b35efe33660d13

                                  SHA256

                                  00323af6a38ac0cbf3332a52d24ea00befafe2cf356f77dc699faa931b2f52f3

                                  SHA512

                                  b7aab49776bfaa4cd2d1fb3679180cca0b8088e4cce87161e60e3341af350921725a215073fe07413d3ad16e84460cc1a50588cc20e64c22f9c7c11f57b2677d

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

                                  Filesize

                                  363B

                                  MD5

                                  54232806783d570eed89e8adbc7a450a

                                  SHA1

                                  6005969b2663e2d1c853b48c797a7d69b9d1cbd6

                                  SHA256

                                  b244f9e25dadceee3b3d7f38247e19eef6f10e65ec8643bfefbed69094402d95

                                  SHA512

                                  07e34e520c3ef6970c6048e10cda3a1d545f67a917325a2171e5ed460f29c4688d2842be9d1b2dec2d006e14a899ef990c8b5e1864c4c5e147e5517549cf646b

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

                                  Filesize

                                  363B

                                  MD5

                                  c668ad92e6479e7d85bebe613725a9f1

                                  SHA1

                                  4b25ce1d3954c3c40189f970218120895ee1ee9d

                                  SHA256

                                  3ea88debcbf8a53f793b9c11aad38bd1fcfb46306af7ff71d68783a6c0bfa37b

                                  SHA512

                                  a6537c7e31bee78f6266b4fef0f622ce460fb8424cc82d1b182739095c75eb84cf6b817846f6a461a9be88470939f2999268dad64568ecf58b4f81b50e7c2abc

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

                                  Filesize

                                  5KB

                                  MD5

                                  76fd560e7cbcf0eeffd58a84a2231677

                                  SHA1

                                  696d548385a853ea11aecf2face79f7917b65af2

                                  SHA256

                                  1f2a5f3657ba29ba53627d4e11f71fd9667567e5bcdcdddb8b0a6020df79523d

                                  SHA512

                                  9d6a13f79318bebdb934d214b40f292a7e1a5baa1833330951a761ee6ab21060c475e3be06903b107b484830124cc607e68edb472998951e550eb28e9dd59b6c

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

                                  Filesize

                                  5KB

                                  MD5

                                  0a1576b973d8d1e5af0ce5361fbb8f0e

                                  SHA1

                                  6716e54e0098b45bda4134fa941a0425008f783f

                                  SHA256

                                  5d380c3591d515c65a0ff45b07d974cea0ee8542cdece8e8075ccf0d816ffe47

                                  SHA512

                                  386c42811e6249dbb2cc7e31089d96ed726c60516dddf5466c821591844ec41970f39f0123c54b6e2e5580ca9472a8dbb6097b6294b2af4323897195f90ca362

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

                                  Filesize

                                  5KB

                                  MD5

                                  ec22f17abce5854c1f870fcfbcd52d0b

                                  SHA1

                                  a9cdddca2210a728e2e4ded0e1061e538cbda32b

                                  SHA256

                                  b64d545768312e797b58b3b65294474205250eb218c0c1f0f9f4e937ba4a3663

                                  SHA512

                                  742df894ca4686606d5f2693f92afae97b110d3030ffdee313c608d23e5dcb8cbf1388ee15812f4a892bc1bda2e3573096b97f34196c0e235dc5311f7cc64f4f

                                • 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

                                • memory/2520-0-0x00000000011A0000-0x00000000011D8000-memory.dmp

                                  Filesize

                                  224KB

                                • memory/2520-3-0x0000000074DF0000-0x00000000754DE000-memory.dmp

                                  Filesize

                                  6.9MB

                                • memory/2520-2-0x00000000049A0000-0x00000000049E0000-memory.dmp

                                  Filesize

                                  256KB

                                • memory/2520-1-0x0000000074DF0000-0x00000000754DE000-memory.dmp

                                  Filesize

                                  6.9MB