Analysis

  • max time kernel
    142s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-12-2023 06:04

General

  • Target

    2b17e88121f688966b5c9313e9680f01.exe

  • Size

    2.3MB

  • MD5

    2b17e88121f688966b5c9313e9680f01

  • SHA1

    8ea541ecfc7d8d0039262ac4d49507646973bdd2

  • SHA256

    78ac173de38f6be4ec1686d84a71082838154d42ed05e970b574a9e82b76800d

  • SHA512

    c6118eba8bfe3189c31d9b14daccbdef964a4525b10cb193a0634b75acb8cf05f7e44c5332977dd7a9c287a1c0b87914531b48523c277ae00207fef13626ee4b

  • SSDEEP

    49152:QxuaNlMTwUu863Q8dWW//xHHyOQjznJH3ODjvtVMY:IrMkU58MKHyOiznJXCjvtKY

Score
10/10

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

204.77.8.221:5506

Attributes
  • communication_password

    d74a214501c1c40b2c77e995082f3587

  • tor_process

    tor

Signatures

  • BitRAT

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • UPX packed file 8 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2b17e88121f688966b5c9313e9680f01.exe
    "C:\Users\Admin\AppData\Local\Temp\2b17e88121f688966b5c9313e9680f01.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5072
    • C:\Users\Admin\AppData\Local\Temp\2b17e88121f688966b5c9313e9680f01.exe
      C:\Users\Admin\AppData\Local\Temp\2b17e88121f688966b5c9313e9680f01.exe
      2⤵
      • Checks computer location settings
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:4248
      • C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe
        "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\eInvoice-20210805_200426_600838.pdf"
        3⤵
        • Checks processor information in registry
        • Modifies Internet Explorer settings
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1016
        • C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
          "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=16514043
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:4256
          • C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
            "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=7EE0A455B41FEB392C66247F87F06E23 --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=7EE0A455B41FEB392C66247F87F06E23 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
            5⤵
              PID:1476
            • C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
              "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=67B6D3D1710CA1DA1CE95C219BBCF588 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
              5⤵
                PID:4008
              • C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
                "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=BB16A1C644113F5B5904866D7C41C919 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
                5⤵
                  PID:1260
                • C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
                  "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=0E71739990563DC09538697D25E34A98 --mojo-platform-channel-handle=1924 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
                  5⤵
                    PID:1568
                  • C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
                    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=BCDC3184E6C4158854D308397D34E151 --mojo-platform-channel-handle=2560 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
                    5⤵
                      PID:1720
                    • C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
                      "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=C66A8F4D1B4174C344FB2370A2859B5E --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=C66A8F4D1B4174C344FB2370A2859B5E --renderer-client-id=6 --mojo-platform-channel-handle=1860 --allow-no-sandbox-job /prefetch:1
                      5⤵
                        PID:3640
                  • C:\Users\Admin\AppData\Local\Temp\eInvoice-20210805_200426_600838.exe
                    "C:\Users\Admin\AppData\Local\Temp\eInvoice-20210805_200426_600838.exe"
                    3⤵
                    • Executes dropped EXE
                    • Suspicious use of NtSetInformationThreadHideFromDebugger
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of SetWindowsHookEx
                    PID:4316
                • C:\Users\Admin\AppData\Local\Temp\2b17e88121f688966b5c9313e9680f01.exe
                  C:\Users\Admin\AppData\Local\Temp\2b17e88121f688966b5c9313e9680f01.exe
                  2⤵
                    PID:3060
                  • C:\Users\Admin\AppData\Local\Temp\2b17e88121f688966b5c9313e9680f01.exe
                    C:\Users\Admin\AppData\Local\Temp\2b17e88121f688966b5c9313e9680f01.exe
                    2⤵
                      PID:3756
                    • C:\Users\Admin\AppData\Local\Temp\2b17e88121f688966b5c9313e9680f01.exe
                      C:\Users\Admin\AppData\Local\Temp\2b17e88121f688966b5c9313e9680f01.exe
                      2⤵
                        PID:3988
                    • C:\Windows\System32\CompPkgSrv.exe
                      C:\Windows\System32\CompPkgSrv.exe -Embedding
                      1⤵
                        PID:4900

                      Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      • C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

                        Filesize

                        56KB

                        MD5

                        752a1f26b18748311b691c7d8fc20633

                        SHA1

                        c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

                        SHA256

                        111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

                        SHA512

                        a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

                      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\2b17e88121f688966b5c9313e9680f01.exe.log

                        Filesize

                        1KB

                        MD5

                        7ebe314bf617dc3e48b995a6c352740c

                        SHA1

                        538f643b7b30f9231a3035c448607f767527a870

                        SHA256

                        48178f884b8a4dd96e330b210b0530667d9473a7629fc6b4ad12b614bf438ee8

                        SHA512

                        0ba9d8f4244c15285e254d27b4bff7c49344ff845c48bc0bf0d8563072fab4d6f7a6abe6b6742e8375a08e9a3b3e5d5dc4937ab428dbe2dd8e62892fda04507e

                      • C:\Users\Admin\AppData\Local\Temp\eInvoice-20210805_200426_600838.exe

                        Filesize

                        1.4MB

                        MD5

                        3267aaaa00e9793fd0110b0d7face79c

                        SHA1

                        1275d09331fcef8db717e6f21095ec2f1b09bb7f

                        SHA256

                        e462da0925198eca0c8eccf060685fd8797816574157dfbfe1c122f09c3f5497

                        SHA512

                        58fb085cda7e16eddf58819a9271a1210868463ead5d9febb2df586276a447697a0002ded3bd7f7910f5d355ca829bc8d7a1e8cf3b4d5279dc2a8375278f25b7

                      • C:\Users\Admin\AppData\Local\Temp\eInvoice-20210805_200426_600838.exe

                        Filesize

                        1.4MB

                        MD5

                        7883fc5b5a6e603de63b68981fb05027

                        SHA1

                        d3088d00b2c597d50a4f0e8da41eec5db013a894

                        SHA256

                        e96e85af580332aee4fbfde0c2df665d5d83487ba4551a79a2572e31e9dddad3

                        SHA512

                        f33e2a9114b4028421aca33ac5a0548d078163f18fd2fa9cb533bd53c710c89b6f01fb8f0434a083467e72cb85eeccbee63900037ab7e5ca59c3aa695b857c22

                      • C:\Users\Admin\AppData\Local\Temp\eInvoice-20210805_200426_600838.exe

                        Filesize

                        92KB

                        MD5

                        7b0478b79216d2d3dfd2db6d90072abc

                        SHA1

                        54f5159295bedc51da9163d3752905df2faf6303

                        SHA256

                        a26384575dd53882a7e1e8d580140322519f7bb5ef48671018ace687ecd608f0

                        SHA512

                        81cc4001758f85e7327b5ce5024996cfb0dff77570e39ecb115675d9106742a298ae2ee8729a0101e13edd3301c5ccecf7bba25ab42263f9ce6e0f5bc6be0a92

                      • memory/1016-56-0x0000000008660000-0x0000000008681000-memory.dmp

                        Filesize

                        132KB

                      • memory/4248-7-0x0000000000400000-0x0000000000612000-memory.dmp

                        Filesize

                        2.1MB

                      • memory/4248-25-0x00000000747D0000-0x0000000074F80000-memory.dmp

                        Filesize

                        7.7MB

                      • memory/4248-14-0x0000000005260000-0x0000000005270000-memory.dmp

                        Filesize

                        64KB

                      • memory/4248-12-0x0000000005350000-0x00000000053EC000-memory.dmp

                        Filesize

                        624KB

                      • memory/4248-10-0x00000000747D0000-0x0000000074F80000-memory.dmp

                        Filesize

                        7.7MB

                      • memory/4316-24-0x0000000000400000-0x00000000007E4000-memory.dmp

                        Filesize

                        3.9MB

                      • memory/4316-209-0x0000000071570000-0x00000000715A9000-memory.dmp

                        Filesize

                        228KB

                      • memory/4316-58-0x0000000000400000-0x00000000007E4000-memory.dmp

                        Filesize

                        3.9MB

                      • memory/4316-194-0x0000000000400000-0x00000000007E4000-memory.dmp

                        Filesize

                        3.9MB

                      • memory/4316-187-0x0000000071570000-0x00000000715A9000-memory.dmp

                        Filesize

                        228KB

                      • memory/4316-165-0x0000000000400000-0x00000000007E4000-memory.dmp

                        Filesize

                        3.9MB

                      • memory/4316-216-0x0000000000400000-0x00000000007E4000-memory.dmp

                        Filesize

                        3.9MB

                      • memory/4316-27-0x0000000073810000-0x0000000073849000-memory.dmp

                        Filesize

                        228KB

                      • memory/4316-28-0x0000000073500000-0x0000000073539000-memory.dmp

                        Filesize

                        228KB

                      • memory/4316-159-0x0000000071800000-0x0000000071839000-memory.dmp

                        Filesize

                        228KB

                      • memory/5072-3-0x0000000005AA0000-0x0000000005B32000-memory.dmp

                        Filesize

                        584KB

                      • memory/5072-1-0x00000000747D0000-0x0000000074F80000-memory.dmp

                        Filesize

                        7.7MB

                      • memory/5072-2-0x0000000005FB0000-0x0000000006554000-memory.dmp

                        Filesize

                        5.6MB

                      • memory/5072-4-0x0000000005C20000-0x0000000005C30000-memory.dmp

                        Filesize

                        64KB

                      • memory/5072-5-0x00000000059E0000-0x00000000059EA000-memory.dmp

                        Filesize

                        40KB

                      • memory/5072-6-0x0000000005BB0000-0x0000000005BD6000-memory.dmp

                        Filesize

                        152KB

                      • memory/5072-0-0x0000000000D90000-0x0000000000FDA000-memory.dmp

                        Filesize

                        2.3MB

                      • memory/5072-11-0x00000000747D0000-0x0000000074F80000-memory.dmp

                        Filesize

                        7.7MB