Analysis

  • max time kernel
    146s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/05/2024, 14:57

General

  • Target
    ed6dcfe516c20b3c4e309f2529f456a5.exe
  • Size 5.8MB
  • Sample240502-sb2p2abd2z
  • SHA256 56070412a6e7209e9119d7402952a04ef8063fb535ed4ce8abed661594077a01
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • UPX packed file 6 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Installs/modifies Browser Helper Object 2 TTPs 8 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 6 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 22 IoCs
  • Modifies registry class 17 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of FindShellTrayWindow 5 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\ed6dcfe516c20b3c4e309f2529f456a5.exe
    "C:\Users\Admin\AppData\Local\Temp\ed6dcfe516c20b3c4e309f2529f456a5.exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • Adds Run key to start application
    • Enumerates connected drives
    • Installs/modifies Browser Helper Object
    • Drops file in Program Files directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3872
    • C:\Windows\SysWOW64\regsvr32.exe
      "C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\IDMShellExt64.dll"
      2⤵
        PID:3044
      • C:\Program Files\Mozilla Firefox\firefox.exe
        "C:\Program Files\Mozilla Firefox\firefox.exe" https://www.internetdownloadmanager.com/support/installffextfrommozillasite.html
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4712
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe" https://www.internetdownloadmanager.com/support/installffextfrommozillasite.html
          3⤵
          • Checks processor information in registry
          • Modifies registry class
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SendNotifyMessage
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:3940
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3940.0.706957914\1524673899" -parentBuildID 20230214051806 -prefsHandle 1808 -prefMapHandle 1800 -prefsLen 22076 -prefMapSize 235121 -appDir "C:\Program Files\Mozilla Firefox\browser" - {201e82e5-765b-4bbf-98e1-c372d21adca5} 3940 "\\.\pipe\gecko-crash-server-pipe.3940" 1900 29751623758 gpu
            4⤵
              PID:4916
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3940.1.1782322122\615773550" -parentBuildID 20230214051806 -prefsHandle 2480 -prefMapHandle 2476 -prefsLen 22927 -prefMapSize 235121 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {7c27d9f5-a94e-4f46-a3d2-0517556ecf6d} 3940 "\\.\pipe\gecko-crash-server-pipe.3940" 2492 29744885f58 socket
              4⤵
                PID:2384
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3940.2.484311824\138045719" -childID 1 -isForBrowser -prefsHandle 2996 -prefMapHandle 2992 -prefsLen 22965 -prefMapSize 235121 -jsInitHandle 1304 -jsInitLen 246560 -a11yResourceId 64 -parentBuildID 20230214051806 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {2982e80f-2854-4284-9a13-a70431746299} 3940 "\\.\pipe\gecko-crash-server-pipe.3940" 3008 29754558b58 tab
                4⤵
                  PID:3768
                • C:\Program Files\Mozilla Firefox\firefox.exe
                  "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3940.3.2078606294\200376141" -childID 2 -isForBrowser -prefsHandle 3964 -prefMapHandle 3960 -prefsLen 27616 -prefMapSize 235121 -jsInitHandle 1304 -jsInitLen 246560 -a11yResourceId 64 -parentBuildID 20230214051806 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {c040b44d-f27e-4b19-9db9-09ed597f4c8e} 3940 "\\.\pipe\gecko-crash-server-pipe.3940" 3980 297561c9e58 tab
                  4⤵
                    PID:2920
                  • C:\Program Files\Mozilla Firefox\firefox.exe
                    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3940.4.98373549\1568734183" -childID 3 -isForBrowser -prefsHandle 5064 -prefMapHandle 5072 -prefsLen 27616 -prefMapSize 235121 -jsInitHandle 1304 -jsInitLen 246560 -a11yResourceId 64 -parentBuildID 20230214051806 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {e49ffc94-b007-4871-bd7b-6ad856420232} 3940 "\\.\pipe\gecko-crash-server-pipe.3940" 4960 29757edbe58 tab
                    4⤵
                      PID:4908
                    • C:\Program Files\Mozilla Firefox\firefox.exe
                      "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3940.5.1462371310\1982276022" -childID 4 -isForBrowser -prefsHandle 5232 -prefMapHandle 5236 -prefsLen 27616 -prefMapSize 235121 -jsInitHandle 1304 -jsInitLen 246560 -a11yResourceId 64 -parentBuildID 20230214051806 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {08290798-cb0a-4d39-a584-7b3decce5068} 3940 "\\.\pipe\gecko-crash-server-pipe.3940" 5224 29757ede558 tab
                      4⤵
                        PID:2372
                      • C:\Program Files\Mozilla Firefox\firefox.exe
                        "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3940.6.745831938\1352091709" -childID 5 -isForBrowser -prefsHandle 5428 -prefMapHandle 5432 -prefsLen 27616 -prefMapSize 235121 -jsInitHandle 1304 -jsInitLen 246560 -a11yResourceId 64 -parentBuildID 20230214051806 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {86a78657-911f-408c-a1b3-44c282c6d1a1} 3940 "\\.\pipe\gecko-crash-server-pipe.3940" 5416 29757edd358 tab
                        4⤵
                          PID:2132
                        • C:\Program Files\Mozilla Firefox\firefox.exe
                          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3940.7.1250061811\1973740094" -childID 6 -isForBrowser -prefsHandle 5296 -prefMapHandle 5300 -prefsLen 27697 -prefMapSize 235121 -jsInitHandle 1304 -jsInitLen 246560 -a11yResourceId 64 -parentBuildID 20230214051806 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {e5e5df31-5119-47cb-a9c6-5767079a5811} 3940 "\\.\pipe\gecko-crash-server-pipe.3940" 3092 2975894b958 tab
                          4⤵
                            PID:4740
                      • C:\Windows\SysWOW64\regsvr32.exe
                        "C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\IDMShellExt64.dll"
                        2⤵
                          PID:3732
                        • C:\Windows\SysWOW64\regsvr32.exe
                          "C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\IDMIECC64.dll"
                          2⤵
                            PID:2212
                          • C:\Windows\SysWOW64\regsvr32.exe
                            "C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\IDMGetAll64.dll"
                            2⤵
                              PID:3680
                            • C:\Windows\SysWOW64\regsvr32.exe
                              "C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\downlWithIDM64.dll"
                              2⤵
                                PID:4768

                            Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

                                  Loading Replay Monitor...

                                  Downloads

                                  symsrv.dll

                                  • Path C:\Program Files\Common Files\System\symsrv.dll
                                  • Size 67KB
                                  • SHA256 de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
                                  • MD5 SHA1 SHA512 SSDEEP

                                  symsrv.dll.000

                                  • Path C:\Program Files\Common Files\System\symsrv.dll.000
                                  • Size 175B
                                  • SHA256 eba08cc8182f379392a97f542b350ea0dbbe5e4009472f35af20e3d857eafdf1
                                  • MD5 SHA1 SHA512

                                  activity-stream.discovery_stream.json.tmp

                                  • Path C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\h6dhg2l4.default-release\activity-stream.discovery_stream.json.tmp
                                  • Size 27KB
                                  • SHA256 e23afac1319e8362eefabc599539effe236a231857bf63c7bde2d1c32b7a20e5
                                  • MD5 SHA1 SHA512 SSDEEP

                                  activity-stream.discovery_stream.json.tmp

                                  • Path C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\h6dhg2l4.default-release\activity-stream.discovery_stream.json.tmp
                                  • Size 27KB
                                  • SHA256 9d4c9b25703e0dc6ebdf16befe4ca46d98970f4a02192cf2579aa5720d8cec1a
                                  • MD5 SHA1 SHA512 SSDEEP

                                  CC9AFF3BE02AD27708D587AE49B3DC68644172BA

                                  • Path C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\h6dhg2l4.default-release\cache2\entries\CC9AFF3BE02AD27708D587AE49B3DC68644172BA
                                  • Size 13KB
                                  • SHA256 bbc7d54083bffad934c3da09d7460b59d08bb5eaedd9b4ee9f7d6d5d7423a3c1
                                  • MD5 SHA1 SHA512 SSDEEP

                                  F8CBD54DDA10F4286A41EC6A537240712D6C2308

                                  • Path C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\h6dhg2l4.default-release\cache2\entries\F8CBD54DDA10F4286A41EC6A537240712D6C2308
                                  • Size 9KB
                                  • SHA256 668da17a51afcf77127eed42162bd6975b4abacf4127a19b9d68ad84b19f84b7
                                  • MD5 SHA1 SHA512 SSDEEP

                                  tmpaddon

                                  • Path C:\Users\Admin\AppData\Local\Temp\tmpaddon
                                  • Size 442KB
                                  • SHA256 a9f4281f82b3579581c389e8583dc9f477c7fd0e20c9dfc91a2e611e21e3407e
                                  • MD5 SHA1 SHA512 SSDEEP

                                  tmpaddon-1

                                  • Path C:\Users\Admin\AppData\Local\Temp\tmpaddon-1
                                  • Size 8.0MB
                                  • SHA256 345d44e3aa3e1967d186a43d732c8051235c43458169a5d7d371780a6475ee42
                                  • MD5 SHA1 SHA512 SSDEEP

                                  gmpopenh264.dll

                                  • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\h6dhg2l4.default-release\gmp-gmpopenh264\1.8.1.2\gmpopenh264.dll
                                  • Size 997KB
                                  • SHA256 1ed7877024be63a049da98733fd282c16bd620530a4fb580dacec3a78ace914e
                                  • MD5 SHA1 SHA512 SSDEEP

                                  gmpopenh264.info

                                  • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\h6dhg2l4.default-release\gmp-gmpopenh264\1.8.1.2\gmpopenh264.info
                                  • Size 116B
                                  • SHA256 f526e9f98841d987606efeaff7f3e017ba9fd516c4be83890c7f9a093ea4c47b
                                  • MD5 SHA1 SHA512

                                  LICENSE.txt

                                  • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\h6dhg2l4.default-release\gmp-widevinecdm\4.10.2557.0\LICENSE.txt
                                  • Size 479B
                                  • SHA256 2af127b4e00f7303de8271996c0c681063e4dc7abdc7b2a8c3fe5932b9352539
                                  • MD5 SHA1 SHA512

                                  manifest.json

                                  • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\h6dhg2l4.default-release\gmp-widevinecdm\4.10.2557.0\manifest.json
                                  • Size 372B
                                  • SHA256 e92d3394635edfb987a7528e0ccd24360e07a299078df2a6967ca3aae22fa2dd
                                  • MD5 SHA1 SHA512

                                  widevinecdm.dll

                                  • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\h6dhg2l4.default-release\gmp-widevinecdm\4.10.2557.0\widevinecdm.dll
                                  • Size 11.8MB
                                  • SHA256 8ee42d9258e20bbc5bfdfae61605429beb5421ffeaaa0d02b86d4978f4b4ac4e
                                  • MD5 SHA1 SHA512 SSDEEP

                                  widevinecdm.dll.lib

                                  • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\h6dhg2l4.default-release\gmp-widevinecdm\4.10.2557.0\widevinecdm.dll.lib
                                  • Size 1KB
                                  • SHA256 33899a3ebc22cb8ed8de7bd48c1c29486c0279b06d7ef98241c92aef4e3b9237
                                  • MD5 SHA1 SHA512

                                  widevinecdm.dll.sig

                                  • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\h6dhg2l4.default-release\gmp-widevinecdm\4.10.2557.0\widevinecdm.dll.sig
                                  • Size 1KB
                                  • SHA256 68a03f075db104f84afdd8fca45a7e4bff7b55dc1a2a24272b3abe16d8759c81
                                  • MD5 SHA1 SHA512

                                  prefs-1.js

                                  • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\h6dhg2l4.default-release\prefs-1.js
                                  • Size 8KB
                                  • SHA256 1a0cba5e2f13b88d307b556323450d6a036e75824159759a556a806f89a8778e
                                  • MD5 SHA1 SHA512 SSDEEP

                                  prefs-1.js

                                  • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\h6dhg2l4.default-release\prefs-1.js
                                  • Size 7KB
                                  • SHA256 5b5bc24ce90f6084426b1a187f77f8fe8de2901ca69eaf0b8598e4d8b04498c5
                                  • MD5 SHA1 SHA512 SSDEEP

                                  prefs.js

                                  • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\h6dhg2l4.default-release\prefs.js
                                  • Size 6KB
                                  • SHA256 d8b1546e1f5399b182bd541a4c5b2ffbb40e9abbcb938be909b3d224b22aaf6e
                                  • MD5 SHA1 SHA512 SSDEEP

                                  prefs.js

                                  • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\h6dhg2l4.default-release\prefs.js
                                  • Size 6KB
                                  • SHA256 c5924c90047da70a6241069f5469074b2f2e605f221ec5200f75856e5bad49d0
                                  • MD5 SHA1 SHA512 SSDEEP

                                  recovery.jsonlz4

                                  • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\h6dhg2l4.default-release\sessionstore-backups\recovery.jsonlz4
                                  • Size 3KB
                                  • SHA256 880435f3f56d13e3d4e34865cc70fae085f5087907736c3e85855279140a8236
                                  • MD5 SHA1 SHA512

                                  memory/3872-148-0x0000000000640000-0x0000000000C08000-memory.dmp

                                  memory/3872-15-0x0000000010000000-0x0000000010030000-memory.dmp

                                  memory/3872-149-0x0000000010000000-0x0000000010030000-memory.dmp

                                  memory/3872-14-0x0000000000640000-0x0000000000C08000-memory.dmp

                                  memory/3872-134-0x0000000010000000-0x0000000010030000-memory.dmp

                                  memory/3872-155-0x0000000000640000-0x0000000000C08000-memory.dmp

                                  memory/3872-3-0x0000000010000000-0x0000000010030000-memory.dmp

                                  memory/3872-2151-0x0000000010000000-0x0000000010030000-memory.dmp

                                  memory/3872-2150-0x0000000000640000-0x0000000000C08000-memory.dmp