Analysis

  • max time kernel
    144s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/01/2025, 03:59

General

  • Target
    Butterfly On Desktop.exe
  • Size 2.8MB
  • Sample250124-ej3emsykgy
  • SHA256 4641af6a0071e11e13ad3b1cd950e01300542c2b9efb6ae92ffecedde974a4a6
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in Program Files directory 6 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs
  • Suspicious use of FindShellTrayWindow 27 IoCs
  • Suspicious use of SendNotifyMessage 25 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Butterfly On Desktop.exe
    "C:\Users\Admin\AppData\Local\Temp\Butterfly On Desktop.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2332
    • C:\Users\Admin\AppData\Local\Temp\is-29HFR.tmp\Butterfly On Desktop.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-29HFR.tmp\Butterfly On Desktop.tmp" /SL5="$80236,2719719,54272,C:\Users\Admin\AppData\Local\Temp\Butterfly On Desktop.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4812
      • C:\Program Files (x86)\Butterfly on Desktop\ButterflyOnDesktop.exe
        "C:\Program Files (x86)\Butterfly on Desktop\ButterflyOnDesktop.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:668
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://freedesktopsoft.com/butterflyondesktoplike.html
        3⤵
        • Enumerates system info in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of WriteProcessMemory
        PID:376
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0xdc,0x100,0x104,0x9c,0x108,0x7ffdb4d246f8,0x7ffdb4d24708,0x7ffdb4d24718
          4⤵
            PID:4452
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2172,9772044784226003291,13992729729182635646,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2188 /prefetch:2
            4⤵
              PID:4372
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=2172,9772044784226003291,13992729729182635646,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2160 /prefetch:3
              4⤵
              • Suspicious behavior: EnumeratesProcesses
              PID:2476
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=2172,9772044784226003291,13992729729182635646,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2940 /prefetch:8
              4⤵
                PID:2432
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2172,9772044784226003291,13992729729182635646,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3324 /prefetch:1
                4⤵
                  PID:4488
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2172,9772044784226003291,13992729729182635646,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3340 /prefetch:1
                  4⤵
                    PID:3024
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2172,9772044784226003291,13992729729182635646,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4924 /prefetch:1
                    4⤵
                      PID:4776
                    • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2172,9772044784226003291,13992729729182635646,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5272 /prefetch:8
                      4⤵
                        PID:2916
                      • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2172,9772044784226003291,13992729729182635646,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5272 /prefetch:8
                        4⤵
                        • Suspicious behavior: EnumeratesProcesses
                        PID:1712
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2172,9772044784226003291,13992729729182635646,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5268 /prefetch:1
                        4⤵
                          PID:5100
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2172,9772044784226003291,13992729729182635646,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5392 /prefetch:1
                          4⤵
                            PID:2760
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2172,9772044784226003291,13992729729182635646,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5744 /prefetch:1
                            4⤵
                              PID:3600
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2172,9772044784226003291,13992729729182635646,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4908 /prefetch:1
                              4⤵
                                PID:4208
                        • C:\Windows\System32\CompPkgSrv.exe
                          C:\Windows\System32\CompPkgSrv.exe -Embedding
                          1⤵
                            PID:4920
                          • C:\Windows\System32\CompPkgSrv.exe
                            C:\Windows\System32\CompPkgSrv.exe -Embedding
                            1⤵
                              PID:3304

                            Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

                                  Loading Replay Monitor...

                                  Downloads

                                  ButterflyOnDesktop.exe

                                  • Path C:\Program Files (x86)\Butterfly on Desktop\ButterflyOnDesktop.exe
                                  • Size 3.0MB
                                  • SHA256 a70f9e100dddb177f68ee7339b327a20cd9289fae09dcdce3dbcbc3e86756287
                                  • MD5 SHA1 SHA512 SSDEEP

                                  settings.dat

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                  • Size 152B
                                  • SHA256 d7e96088b37cec1bde202ae8ec2d2f3c3aafc368b6ebd91b3e2985846facf2e6
                                  • MD5 SHA1 SHA512

                                  settings.dat

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                  • Size 152B
                                  • SHA256 1b034ffe38e534e2b7a21be7c1f207ff84a1d5f3893207d0b4bb1a509b4185ea
                                  • MD5 SHA1 SHA512

                                  the-real-index

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Code Cache\js\index-dir\the-real-index
                                  • Size 384B
                                  • SHA256 9736e60a73122ffac79009725dacef71c84b500945771b35ed0bb56e5ca70426
                                  • MD5 SHA1 SHA512

                                  Network Persistent State

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network Persistent State
                                  • Size 1002B
                                  • SHA256 04303d614cdcadb763dbb188a45eef2b612bf0503eea0eae8b15862b903b4c95
                                  • MD5 SHA1 SHA512

                                  Preferences

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                  • Size 7KB
                                  • SHA256 25c4e064858eb168d29d90f792a7dcd0b58193524e53160a4a81734cedf7b15e
                                  • MD5 SHA1 SHA512 SSDEEP

                                  Preferences

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                  • Size 5KB
                                  • SHA256 645631cda708852079e95b694202157ccf091329c1eb7764458a582e0fb1e622
                                  • MD5 SHA1 SHA512 SSDEEP

                                  CURRENT

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\data_reduction_proxy_leveldb\CURRENT
                                  • Size 16B
                                  • SHA256 0861415cada612ea5834d56e2cf1055d3e63979b69eb71d32ae9ae394d8306cd
                                  • MD5 SHA1 SHA512

                                  Local State

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                  • Size 10KB
                                  • SHA256 a59daeed68cbaf6b9fc095c2e4ba458e5cb0d16c9d3debad2106d0e75287ce9c
                                  • MD5 SHA1 SHA512 SSDEEP

                                  Butterfly On Desktop.tmp

                                  • Path C:\Users\Admin\AppData\Local\Temp\is-29HFR.tmp\Butterfly On Desktop.tmp
                                  • Size 688KB
                                  • SHA256 c5177fdc6031728e10141745cd69edbc91c92d14411a2dec6e8e8caa4f74ab28
                                  • MD5 SHA1 SHA512 SSDEEP

                                  memory/668-165-0x0000000000400000-0x000000000070B000-memory.dmp

                                  memory/668-149-0x0000000000400000-0x000000000070B000-memory.dmp

                                  memory/668-211-0x0000000000400000-0x000000000070B000-memory.dmp

                                  memory/668-210-0x0000000000400000-0x000000000070B000-memory.dmp

                                  memory/668-209-0x0000000000400000-0x000000000070B000-memory.dmp

                                  memory/668-185-0x0000000000400000-0x000000000070B000-memory.dmp

                                  memory/668-41-0x0000000000400000-0x000000000070B000-memory.dmp

                                  memory/668-131-0x0000000000400000-0x000000000070B000-memory.dmp

                                  memory/668-132-0x0000000000400000-0x000000000070B000-memory.dmp

                                  memory/668-177-0x0000000000400000-0x000000000070B000-memory.dmp

                                  memory/668-166-0x0000000000400000-0x000000000070B000-memory.dmp

                                  memory/668-164-0x0000000000400000-0x000000000070B000-memory.dmp

                                  memory/2332-48-0x0000000000400000-0x0000000000414000-memory.dmp

                                  memory/2332-0-0x0000000000400000-0x0000000000414000-memory.dmp

                                  memory/2332-2-0x0000000000401000-0x000000000040B000-memory.dmp

                                  memory/2332-13-0x0000000000400000-0x0000000000414000-memory.dmp

                                  memory/4812-16-0x0000000000400000-0x00000000004BC000-memory.dmp

                                  memory/4812-18-0x0000000000400000-0x00000000004BC000-memory.dmp

                                  memory/4812-7-0x0000000000400000-0x00000000004BC000-memory.dmp

                                  memory/4812-37-0x0000000000400000-0x00000000004BC000-memory.dmp

                                  memory/4812-46-0x0000000000400000-0x00000000004BC000-memory.dmp

                                  memory/4812-14-0x0000000000400000-0x00000000004BC000-memory.dmp