Analysis

  • max time kernel
    202s
  • max time network
    210s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    28-03-2024 09:36

General

  • Target

    stub.exe

  • Size

    3.8MB

  • MD5

    4443b57c1262fbc156765ba2a9019391

  • SHA1

    b02b8b4c0ee1f8b850e420d754ef1f398c1ebf4d

  • SHA256

    f6631cb0b90dad50436e54e1626d6684bb4188a451dd1168e72df5ca67583af7

  • SHA512

    84e4854c82c5fbd789ce1973b73d60aef138cee9b492a693a8a9d49a24488cdc719d54a8434fdc4b8e7057be33126e09aae2f04a88d9bfbb7abb9264aa0d596d

  • SSDEEP

    98304:d77Pmq33rE/JDLPWZADUGer7B6iY74M/emlwXVZ4FB:5+R/eZADUXR

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

103.153.182.247:6161

Attributes
  • communication_password

    81dc9bdb52d04dc20036dbd8313ed055

  • install_dir

    Install path

  • install_file

    Install name

  • tor_process

    tor

Signatures

  • BitRAT

    BitRAT is a remote access tool written in C++ and uses leaked source code from other families.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • NTFS ADS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: RenamesItself 40 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 34 IoCs
  • Suspicious use of SendNotifyMessage 32 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\stub.exe
    "C:\Users\Admin\AppData\Local\Temp\stub.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • NTFS ADS
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious behavior: RenamesItself
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:1660
  • C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    1⤵
      PID:2612
    • 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:2868
      • 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,0x7fef6269758,0x7fef6269768,0x7fef6269778
        2⤵
          PID:2872
        • 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=1184 --field-trial-handle=1380,i,1334023397290138629,7726902667888692160,131072 /prefetch:2
          2⤵
            PID:1560
          • 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=1544 --field-trial-handle=1380,i,1334023397290138629,7726902667888692160,131072 /prefetch:8
            2⤵
              PID:1768
            • 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=1616 --field-trial-handle=1380,i,1334023397290138629,7726902667888692160,131072 /prefetch:8
              2⤵
                PID:404
              • 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=2308 --field-trial-handle=1380,i,1334023397290138629,7726902667888692160,131072 /prefetch:1
                2⤵
                  PID:1248
                • 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=2316 --field-trial-handle=1380,i,1334023397290138629,7726902667888692160,131072 /prefetch:1
                  2⤵
                    PID:1956
                  • 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=1176 --field-trial-handle=1380,i,1334023397290138629,7726902667888692160,131072 /prefetch:2
                    2⤵
                      PID:412
                    • 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=3232 --field-trial-handle=1380,i,1334023397290138629,7726902667888692160,131072 /prefetch:1
                      2⤵
                        PID:1932
                      • 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=3688 --field-trial-handle=1380,i,1334023397290138629,7726902667888692160,131072 /prefetch:8
                        2⤵
                          PID:1072
                        • 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=2024 --field-trial-handle=1380,i,1334023397290138629,7726902667888692160,131072 /prefetch:1
                          2⤵
                            PID:2456
                          • 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=1928 --field-trial-handle=1380,i,1334023397290138629,7726902667888692160,131072 /prefetch:1
                            2⤵
                              PID:1988
                            • 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=3204 --field-trial-handle=1380,i,1334023397290138629,7726902667888692160,131072 /prefetch:8
                              2⤵
                                PID:952
                              • 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=3424 --field-trial-handle=1380,i,1334023397290138629,7726902667888692160,131072 /prefetch:1
                                2⤵
                                  PID:576
                                • 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=2304 --field-trial-handle=1380,i,1334023397290138629,7726902667888692160,131072 /prefetch:8
                                  2⤵
                                    PID:1576
                                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilReadIcon --lang=en-US --service-sandbox-type=icon_reader --mojo-platform-channel-handle=3268 --field-trial-handle=1380,i,1334023397290138629,7726902667888692160,131072 /prefetch:8
                                    2⤵
                                      PID:2012
                                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilReadIcon --lang=en-US --service-sandbox-type=icon_reader --mojo-platform-channel-handle=1396 --field-trial-handle=1380,i,1334023397290138629,7726902667888692160,131072 /prefetch:8
                                      2⤵
                                        PID:932
                                      • 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=3848 --field-trial-handle=1380,i,1334023397290138629,7726902667888692160,131072 /prefetch:8
                                        2⤵
                                          PID:2484
                                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilReadIcon --lang=en-US --service-sandbox-type=icon_reader --mojo-platform-channel-handle=3484 --field-trial-handle=1380,i,1334023397290138629,7726902667888692160,131072 /prefetch:8
                                          2⤵
                                            PID:2716
                                          • C:\Program Files\Google\Chrome\Application\chrome.exe
                                            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilReadIcon --lang=en-US --service-sandbox-type=icon_reader --mojo-platform-channel-handle=3756 --field-trial-handle=1380,i,1334023397290138629,7726902667888692160,131072 /prefetch:8
                                            2⤵
                                              PID:2564
                                            • C:\Users\Admin\Downloads\stub.exe
                                              "C:\Users\Admin\Downloads\stub.exe"
                                              2⤵
                                                PID:580
                                            • 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:2208

                                              Network

                                              MITRE ATT&CK Enterprise v15

                                              Replay Monitor

                                              Loading Replay Monitor...

                                              Downloads

                                              • C:\Users\Admin\AppData\Local:28-03-2024

                                                Filesize

                                                4KB

                                                MD5

                                                0e2c4667e2ddcd8d339f5984c23668e2

                                                SHA1

                                                7eafe9c1cc9bd3b66bfa0822251c45f43cb0ffb0

                                                SHA256

                                                a78085ed8e607fcfed97cf2886c6ef28dd2862217a56ff155ee1dbe09e127593

                                                SHA512

                                                d4d80a44f84fe27cfad9fb3aadc5d129a578fb5ecc5ab2158e321da1faf78672180c8fb20484043dbea6bf9420c442372f71ed2956ce128eeddb401602e6d36f

                                              • 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\Network\Network Persistent State

                                                Filesize

                                                632B

                                                MD5

                                                568c4f0ff8900558159c4eaee4bd14da

                                                SHA1

                                                6f15cfc6b1a56d77f5efc8c3222105d14ff8c83a

                                                SHA256

                                                b06f5e736af7e67a73230fa71af2a509503d3cb7d223d5e911454f809a97df3d

                                                SHA512

                                                21fcf8154830f6fdd737d2c2331d2718fc74bc8de7e32f3cdb914aee7c6d5b21f7bf5983ba1d76084baac276cbd0c08e486c0b9cb96fe62cf3787c067a4027f2

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

                                                Filesize

                                                5KB

                                                MD5

                                                a1734e2d809f71c3ce676428f05bd203

                                                SHA1

                                                e3278e45d88f8dde973df0674c1746aab47e286a

                                                SHA256

                                                6b231df6bdf815029629061c66be9ec6ad84838b8b9b9d775c35b0a97574fd7e

                                                SHA512

                                                6a4283a1199f0678defca347777dedbefe4e86c83848f23fd0dbe7f76ce9ee5f3b1295f68f427e1eb7e0aa94643a5f20e0d61a290d49dbebf8277cfb5846b8a8

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

                                                Filesize

                                                5KB

                                                MD5

                                                d36e644388d1c06740b9584494c06be5

                                                SHA1

                                                db7839c2ee342fe6d8a6200e432d35cfecae5aa8

                                                SHA256

                                                491f39f0f109e0c4db6e3acbf1259003bd1d053ee838eb750c63d365ef9f2c57

                                                SHA512

                                                143a656bc4d02ce8585d08e80a216423b7df657d010efc8166f0cd6f932f82f2ce1e3ce7a923e6e0edf457dafaa14ff115219870bab54bd93719e437bc541e46

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

                                                Filesize

                                                5KB

                                                MD5

                                                d15f613828dc88d70fc927b97cbf08c7

                                                SHA1

                                                807d4ef76bcf3c7c3443e3d31d2be2976401a67b

                                                SHA256

                                                76efb771bb72916e7b28d45e86bdbe6d4e3861509e9de6924adc018b7933c266

                                                SHA512

                                                ac95b0e74aeae7b2a439e51c2d23fe500dcba083f394f0e663f0be242f11b40d3ffc25f236f147748796cd396e9aa296ece9a5cdf25229246c4ad00d76ea064f

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

                                                Filesize

                                                16B

                                                MD5

                                                18e723571b00fb1694a3bad6c78e4054

                                                SHA1

                                                afcc0ef32d46fe59e0483f9a3c891d3034d12f32

                                                SHA256

                                                8af72f43857550b01eab1019335772b367a17a9884a7a759fdf4fe6f272b90aa

                                                SHA512

                                                43bb0af7d3984012d2d67ca6b71f0201e5b948e6fe26a899641c4c6f066c59906d468ddf7f1df5ea5fa33c2bc5ea8219c0f2c82e0a5c365ad7581b898a8859e2

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

                                                Filesize

                                                3.8MB

                                                MD5

                                                4443b57c1262fbc156765ba2a9019391

                                                SHA1

                                                b02b8b4c0ee1f8b850e420d754ef1f398c1ebf4d

                                                SHA256

                                                f6631cb0b90dad50436e54e1626d6684bb4188a451dd1168e72df5ca67583af7

                                                SHA512

                                                84e4854c82c5fbd789ce1973b73d60aef138cee9b492a693a8a9d49a24488cdc719d54a8434fdc4b8e7057be33126e09aae2f04a88d9bfbb7abb9264aa0d596d

                                              • memory/1660-0-0x0000000000400000-0x00000000007CE000-memory.dmp

                                                Filesize

                                                3.8MB