Resubmissions

Analysis

  • max time kernel
    72s
  • max time network
    140s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    04-06-2024 14:48

General

  • Target

    lrthijawd.exe

  • Size

    898KB

  • MD5

    1b1ecd323162c054864b63ada693cd71

  • SHA1

    333a67545a5d1aad4d73a3501f7152b4529b6b3e

  • SHA256

    902337bbf17ac4e015e03d12e79b60b8dd5a8362496da3291a39e9124c58d9ff

  • SHA512

    f1776b6a457108f10ca940ce02ce98b73404f5cf18fccee4977024cfaf74d7f48666d4da9be1bee27531525e276cb8cfadba39b0c81e0fd8cbe42f7672f45b71

  • SSDEEP

    24576:juDXTIGaPhEYzUzA0amuDXTIGaPhEYzUzA0bnl:KDjlabwz9aDjlabwz9rl

Score
10/10

Malware Config

Signatures

  • SystemBC

    SystemBC is a proxy and remote administration tool first seen in 2019.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 1 IoCs
  • Drops file in Windows directory 2 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
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 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\lrthijawd.exe
    "C:\Users\Admin\AppData\Local\Temp\lrthijawd.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3008
    • C:\Windows\system32\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\RarSFX0\1.bat" "
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2672
      • C:\Users\Admin\AppData\Local\Temp\RarSFX0\work.exe
        work.exe -priverdD
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:2584
        • C:\Users\Admin\AppData\Local\Temp\RarSFX1\jergs.exe
          "C:\Users\Admin\AppData\Local\Temp\RarSFX1\jergs.exe"
          4⤵
          • Executes dropped EXE
          • Drops file in Windows directory
          • Suspicious behavior: EnumeratesProcesses
          PID:2788
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {5FB705B8-A3EC-40E0-93B8-B9B3BB3F19EF} S-1-5-21-3691908287-3775019229-3534252667-1000:UOTHCPHQ\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2708
    • C:\ProgramData\unvifo\qjtgr.exe
      C:\ProgramData\unvifo\qjtgr.exe start2
      2⤵
      • Executes dropped EXE
      PID:1568
    • C:\ProgramData\unvifo\qjtgr.exe
      C:\ProgramData\unvifo\qjtgr.exe start2
      2⤵
        PID:2576
    • 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:1588
      • 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,0x7fef5bd9758,0x7fef5bd9768,0x7fef5bd9778
        2⤵
          PID:1800
        • 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=1400,i,14578357629829111473,4296338180177548838,131072 /prefetch:2
          2⤵
            PID:2032
          • 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=1548 --field-trial-handle=1400,i,14578357629829111473,4296338180177548838,131072 /prefetch:8
            2⤵
              PID:2036
            • 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=1644 --field-trial-handle=1400,i,14578357629829111473,4296338180177548838,131072 /prefetch:8
              2⤵
                PID:2288
              • 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=2300 --field-trial-handle=1400,i,14578357629829111473,4296338180177548838,131072 /prefetch:1
                2⤵
                  PID:1064
                • 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=2304 --field-trial-handle=1400,i,14578357629829111473,4296338180177548838,131072 /prefetch:1
                  2⤵
                    PID:1404
                  • 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=1516 --field-trial-handle=1400,i,14578357629829111473,4296338180177548838,131072 /prefetch:2
                    2⤵
                      PID:3048
                    • 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=1320 --field-trial-handle=1400,i,14578357629829111473,4296338180177548838,131072 /prefetch:1
                      2⤵
                        PID:876
                      • 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=3476 --field-trial-handle=1400,i,14578357629829111473,4296338180177548838,131072 /prefetch:8
                        2⤵
                          PID:2340
                        • 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=3484 --field-trial-handle=1400,i,14578357629829111473,4296338180177548838,131072 /prefetch:8
                          2⤵
                            PID:1852
                          • 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=3692 --field-trial-handle=1400,i,14578357629829111473,4296338180177548838,131072 /prefetch:8
                            2⤵
                              PID:2252
                          • 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:1484

                            Network

                            MITRE ATT&CK Enterprise v15

                            Replay Monitor

                            Loading Replay Monitor...

                            Downloads

                            • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\1bc096cc-f670-4d43-84a1-bfb060f5054c.tmp

                              Filesize

                              282KB

                              MD5

                              6c2c2ab12143de1b95827ee287d13e1d

                              SHA1

                              fb0ffb54e0b87577658a005228829460e771763c

                              SHA256

                              6280e7bf0bdee1a221190365f018e6c09c3db93531bcc270bc104336ce9f4afb

                              SHA512

                              68a654a5567967522e75cca0720387f9ddc4940feff648ef0378e4f67615640670a2e6f80bd2cbb413392c11372713e2cbbed2107e7976dcfd3a602da6b57e70

                            • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\GCM Store\Encryption\000006.dbtmp

                              Filesize

                              16B

                              MD5

                              aefd77f47fb84fae5ea194496b44c67a

                              SHA1

                              dcfbb6a5b8d05662c4858664f81693bb7f803b82

                              SHA256

                              4166bf17b2da789b0d0cc5c74203041d98005f5d4ef88c27e8281e00148cd611

                              SHA512

                              b733d502138821948267a8b27401d7c0751e590e1298fda1428e663ccd02f55d0d2446ff4bc265bdcdc61f952d13c01524a5341bc86afc3c2cde1d8589b2e1c3

                            • 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

                              5KB

                              MD5

                              e8663cdd4334945056232d0437b64b4a

                              SHA1

                              570ef0069d8098f633b6350da3c94de763587a70

                              SHA256

                              bdde4c65b1bdc447f427748779a74da176b8147c137b2ce4c17b7fa3e3f12e60

                              SHA512

                              dd7bb1613b846d64452dd0fb80b3210f1bf9f6c41976f50c8819052052f676a68088dea2fc5888f5edcf3ba23cefc664324c75fb7f33454a1b76d822ff581e6b

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

                              Filesize

                              5KB

                              MD5

                              e60d342a93dea29e0ec05c20daefd039

                              SHA1

                              f80271edfd02f6ba92f01b8e141c9302a6dd2154

                              SHA256

                              0dc54414ad16cddac554150c00f54696dae82bdcf83f5bd03d50c2188941e022

                              SHA512

                              fd5383156584ece15f8999a3e98f634b577001537550a5cdb5811c7ce58de3ab576dc4b637157befe820c985f8f729401c0eb2e3545f01dd7aebf5c49baf8e49

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

                              Filesize

                              5KB

                              MD5

                              fcca94d77a2256f56f59bc510cc0e252

                              SHA1

                              1a941fdfe35ca4cdfa64accf6057e80a59da8a15

                              SHA256

                              4dfe80ffb6ca94278903d5a7c2e6503efaca429f87ea376fed19c89323f2b806

                              SHA512

                              ceb7bef2501d06c283af5118f833d97852631012cc093dc458b62ea7f12202ddcf01f39a86da0e02a9c8e88907d7fe0d85d7f99bc028c02ea4bae8de0916ca6b

                            • 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

                              282KB

                              MD5

                              733368e5407b34d8e511cd0e731024a3

                              SHA1

                              992f2e46f309d8015efc743f04a8c7488cd9364c

                              SHA256

                              a0df7cd96c393bd54f8cfefb08d4a0ea935e7c18cf35fde37a8d81eefc623a9d

                              SHA512

                              8b40c6209820e069ebfd6d0bca3850a864137f57db2f974a9b144194f01f3895e821e11439d04a89943e9c971b50e146ac2e8877d27af71e6538a2116f925248

                            • C:\Users\Admin\AppData\Local\Temp\RarSFX0\1.bat

                              Filesize

                              35B

                              MD5

                              ff59d999beb970447667695ce3273f75

                              SHA1

                              316fa09f467ba90ac34a054daf2e92e6e2854ff8

                              SHA256

                              065d2b17ad499587dc9de7ee9ecda4938b45da1df388bc72e6627dff220f64d2

                              SHA512

                              d5ac72cb065a3cd3cb118a69a2f356314eeed24dcb4880751e1a3683895e66cedc62607967e29f77a0c27adf1c9fe0efd86e804f693f0a63a5b51b0bf0056b5d

                            • C:\Users\Admin\AppData\Local\Temp\RarSFX0\work.exe

                              Filesize

                              453KB

                              MD5

                              405b7fbe8c0ed98620064f0cd80f24c4

                              SHA1

                              bb9e45038e8a9f7b7cd0db62858ac65c74b74821

                              SHA256

                              9dd8267e66dc584eecb3bece47e826d3189e41077f4083acdfc9a4f623b9c187

                              SHA512

                              3dd4c407f6c2250d20c005e816e80ad442bb07f84ab02e25951331808fb4229219f9fddbcf1ac2e6d70985e3077a6401905f18a8b2c633e9d0a8b9cc6971b61d

                            • C:\Users\Admin\AppData\Local\Temp\RarSFX1\jergs.exe

                              Filesize

                              16KB

                              MD5

                              c661a77c31f83c413a96b5537ad31989

                              SHA1

                              8a5a47e39a9efa9dc4de447d2ae4cd5e375e3557

                              SHA256

                              cc5bb638cb34cbd386a906b7708eb62e05e3fc991a20bd060e1d84f722d29ff1

                              SHA512

                              b86e45d36d8566b51f932f660ee9c3d79cea1a2eb34a9f7da7b2ccc5e50c74f319e8005e43d719c5722ec148ddddf1351a7f9edc430888e572b3884d1610b1aa

                            • \??\pipe\crashpad_1588_AUVIEZIWYZFJLGDZ

                              MD5

                              d41d8cd98f00b204e9800998ecf8427e

                              SHA1

                              da39a3ee5e6b4b0d3255bfef95601890afd80709

                              SHA256

                              e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                              SHA512

                              cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e