Analysis

  • max time kernel
    95s
  • max time network
    92s
  • platform
    windows10-ltsc_2021_x64
  • resource
    win10ltsc2021-20250314-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20250314-enlocale:en-usos:windows10-ltsc_2021-x64system
  • submitted
    03/04/2025, 09:22

General

  • Target

    EMV Reader Writer/EMV Reader Writer/EMV Reader Writer Software V8.5.exe

  • Size

    600KB

  • MD5

    5b1df20ca9a036c586b419dee459601b

  • SHA1

    3b50df96cd3e5456652b29cb93dea532da6e9b39

  • SHA256

    79502f9bbaf79f22644838f3a58b53694d09bb9b3fa658f73a4576ad01dc765c

  • SHA512

    86aace95fdd64dac7914e349b32337976b059f2c16a8eba957a29398527e8b45720b754f45591cf3633cba482429f915897864fdedbe00eccf625736d30130a4

  • SSDEEP

    12288:xdfYgiiKfLs4qzQevE4Hxf+V/OPM33Sh2y4HnG1LJ9KdzW9QwWrugU+6:fYgfwRqzbBHl+gE33S0BHIKdWywn

Score
10/10

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Suspicious use of SetThreadContext 2 IoCs
  • Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs

    Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

  • Checks processor information in registry 2 TTPs 22 IoCs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 19 IoCs
  • Suspicious use of SendNotifyMessage 12 IoCs
  • Suspicious use of SetWindowsHookEx 1 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\EMV Reader Writer\EMV Reader Writer\EMV Reader Writer Software V8.5.exe
    "C:\Users\Admin\AppData\Local\Temp\EMV Reader Writer\EMV Reader Writer\EMV Reader Writer Software V8.5.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Suspicious use of SetThreadContext
    • Checks for VirtualBox DLLs, possible anti-VM trick
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:764
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"
      2⤵
        PID:4552
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4552 -s 232
          3⤵
          • Program crash
          PID:2004
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 236 -p 4552 -ip 4552
      1⤵
        PID:344
      • C:\Program Files\Mozilla Firefox\firefox.exe
        "C:\Program Files\Mozilla Firefox\firefox.exe"
        1⤵
        • Suspicious use of WriteProcessMemory
        PID:3860
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe"
          2⤵
          • 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:5532
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 2008 -prefsLen 27100 -prefMapHandle 2012 -prefMapSize 270279 -ipcHandle 2084 -initialChannelId {4cf00ba2-7ece-46f4-bfbb-c41325b82b93} -parentPid 5532 -crashReporter "\\.\pipe\gecko-crash-server-pipe.5532" -appDir "C:\Program Files\Mozilla Firefox\browser" - 1 gpu
            3⤵
              PID:6128
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 2460 -prefsLen 27136 -prefMapHandle 2464 -prefMapSize 270279 -ipcHandle 2472 -initialChannelId {4dc678be-931c-4726-b907-0944dcb5d1ad} -parentPid 5532 -crashReporter "\\.\pipe\gecko-crash-server-pipe.5532" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 2 socket
              3⤵
              • Checks processor information in registry
              PID:1096
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 3764 -prefsLen 27277 -prefMapHandle 3768 -prefMapSize 270279 -jsInitHandle 3772 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 3780 -initialChannelId {7f9ef713-f2e5-4847-9383-19fe1ab87bbb} -parentPid 5532 -crashReporter "\\.\pipe\gecko-crash-server-pipe.5532" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 3 tab
              3⤵
              • Checks processor information in registry
              PID:936
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 3932 -prefsLen 27277 -prefMapHandle 3936 -prefMapSize 270279 -ipcHandle 4040 -initialChannelId {c6aec28f-ec67-44a6-974f-001e7a214141} -parentPid 5532 -crashReporter "\\.\pipe\gecko-crash-server-pipe.5532" -appDir "C:\Program Files\Mozilla Firefox\browser" - 4 rdd
              3⤵
                PID:3816
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 4468 -prefsLen 34776 -prefMapHandle 4472 -prefMapSize 270279 -jsInitHandle 4476 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 4440 -initialChannelId {83fe9137-a4df-4973-a697-3c7cc4371bc1} -parentPid 5532 -crashReporter "\\.\pipe\gecko-crash-server-pipe.5532" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 5 tab
                3⤵
                • Checks processor information in registry
                PID:2592
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -sandboxingKind 0 -prefsHandle 5124 -prefsLen 35013 -prefMapHandle 5112 -prefMapSize 270279 -ipcHandle 4668 -initialChannelId {07bace1b-7a6e-4776-94d0-6c7080d79f59} -parentPid 5532 -crashReporter "\\.\pipe\gecko-crash-server-pipe.5532" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 6 utility
                3⤵
                • Checks processor information in registry
                PID:2904
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5296 -prefsLen 32900 -prefMapHandle 5300 -prefMapSize 270279 -jsInitHandle 5304 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5320 -initialChannelId {37873284-02f6-4a65-8b3a-4618dd53b291} -parentPid 5532 -crashReporter "\\.\pipe\gecko-crash-server-pipe.5532" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 7 tab
                3⤵
                • Checks processor information in registry
                PID:1928
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5328 -prefsLen 32900 -prefMapHandle 5332 -prefMapSize 270279 -jsInitHandle 5336 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5344 -initialChannelId {8ea1b764-6936-4953-aad8-24917df3d7af} -parentPid 5532 -crashReporter "\\.\pipe\gecko-crash-server-pipe.5532" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 8 tab
                3⤵
                • Checks processor information in registry
                PID:2520
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5672 -prefsLen 32952 -prefMapHandle 5676 -prefMapSize 270279 -jsInitHandle 5680 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5688 -initialChannelId {0e9a9015-bdfc-481d-ab2a-31dbeac996c4} -parentPid 5532 -crashReporter "\\.\pipe\gecko-crash-server-pipe.5532" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 9 tab
                3⤵
                • Checks processor information in registry
                PID:560
          • C:\Windows\System32\rundll32.exe
            C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
            1⤵
              PID:2440

            Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\3dnsnfa3.default-release\activity-stream.discovery_stream.json.tmp

              Filesize

              22KB

              MD5

              fea4011a9bc714fc7fcef17ba686df8c

              SHA1

              b8c2f6ba1a4d3dfd5342f46dbef607db83275576

              SHA256

              0e39f72fe4824b90ba94678b392327a4c45970ae00e163f2ce031f6cf1ee8936

              SHA512

              83dee95ee431b9b60fde060aac9172040f5b90cf22185141c9135115aac838f1ff842e102f72da3921ee21a26948c44d609ba16c06854eab7168aab13a11261a

            • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\3dnsnfa3.default-release\datareporting\glean\db\data.safe.tmp

              Filesize

              3KB

              MD5

              6e567efca102e2833988ea2feaa91db3

              SHA1

              1a3338c5c2d450c757b6c24e1a052ee5435c8023

              SHA256

              a99942ac182abc5fb39b829e10232335d9125277bad4bf2e5dd55478dd46b001

              SHA512

              ba502fed748f21c698d8dc8249a8b8e3e958a6242cfa8b64fa010e553ded809a30fc6392db52e6c1bf840286842bfb419599a46b6cbe56a8609118bb85248ca1

            • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\3dnsnfa3.default-release\datareporting\glean\db\data.safe.tmp

              Filesize

              7KB

              MD5

              0265b0b90ad13b0f804c8cd6b5b4f7e9

              SHA1

              3c29c59d497ddf36fb1510388f501be09f1a2ac0

              SHA256

              b3427b3b035753c676ac7971ebba43a3cf4f78b792555184b7bb87d429975038

              SHA512

              715e6f2f4abb19100d67b5f57775ec6c4885d2f44875b7ab729b89f344b5fb2bc2c34d6a4dea4fffefe3d1b6bd1db7c46f303aed6a207b189afe62fcdc1e342c

            • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\3dnsnfa3.default-release\datareporting\glean\db\data.safe.tmp

              Filesize

              5KB

              MD5

              e10332b67d44ac4a5f504dc7edb6887e

              SHA1

              fecdad0ceba78823bb7dc8e4e5613a4ca2de73d8

              SHA256

              f485d6d1256853d580409cebbd3a8977703003e73e53dcc29d8f9bef687db87c

              SHA512

              9bac04353c0f3146d7bf9b001c7a85a7a5db21d1f1d3d53fa8927ee57074ec093cfb369162f935afe069c6cfe6694723975d8a7851ffe135ac6e533fe24d1bd0

            • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\3dnsnfa3.default-release\datareporting\glean\db\data.safe.tmp

              Filesize

              7KB

              MD5

              229f7ca3178ffc9db049ff4d64434ccf

              SHA1

              605d27ef142c9f2b3cc002d8504603e6de796979

              SHA256

              7a7638aa9c9a6d0733a85dd88c125e233f4cd26b6f1af470d7bddcda36005c30

              SHA512

              87f32aace86467b398bc842c5e64fb60fcafdd291e73366bd255d9f8d62ee8cfdd7faacbe920198d2d0aee17b2d0e18febb5785ed04fbc4202faf1e96b2111e4

            • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\3dnsnfa3.default-release\datareporting\glean\events\events

              Filesize

              1KB

              MD5

              4e9aecc14c78de14cc115751289ca3f2

              SHA1

              763601ff9a72f390f067f851071fbdc98694b721

              SHA256

              2ddb0c356aa04c893c0d757e259d9cd4c50144bdf8439281f0ec195a6d4f7b4f

              SHA512

              3b2f7a422dd7e484e79943c7259f663ab5f0a5fa92ec71dedfafb378a79ccbf9a1e16f7925d7ffced1358e80b35861b9220b79106b685a44e5cf0edf8eda66b1

            • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\3dnsnfa3.default-release\datareporting\glean\pending_pings\2a1a83ee-8674-4f08-857d-64895bca5501

              Filesize

              235B

              MD5

              7eb3910cd3f99710c27751e119e465bc

              SHA1

              1dd807f42124699c197b31c05903c65bcbc5d991

              SHA256

              14c8cf024adf6c52ea219286cfdeff3aaacf75c7b050e2030843b4f8dfd40a75

              SHA512

              cd2f0bb843773da81396e3e1b7d7ad31547017c6d7e52632b255189395b171d7f65050aa67e88a2a0c38d4dc87471dea235830699b9ed33c0c167c0bf3038a8a

            • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\3dnsnfa3.default-release\datareporting\glean\pending_pings\6aac88f6-e26f-4e3e-b6ff-25095251ef7d

              Filesize

              883B

              MD5

              936b4937553c4011109423233e612bb0

              SHA1

              366aa2dd785e3a1603b3bbfb1bc7db51ed017339

              SHA256

              d47413d972d99ad5b85b13db35f6de70b3718def907115164dce5112bbad2361

              SHA512

              3293d79871312fb92760fc6b6496952e4431d12e45d881ab1dde59d65d23f53189c4e13103f34af1275eae34fe42c5c102175d1998dfb25c60479b14e23fa42a

            • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\3dnsnfa3.default-release\datareporting\glean\pending_pings\84d26180-e7d3-4bea-aea9-8b2224db1ac4

              Filesize

              2KB

              MD5

              a6a8e0cebb43f570b1872cc7758fdbc4

              SHA1

              6f7c8be05259f4fd63f1933f2bccb28eac9f3194

              SHA256

              0e9cb14a0a21bb600515b1391980f3d7e0887617b9aabfbd1cd1602efe3a0a76

              SHA512

              52686176ca4a6b03ef05a41d8310c8220bf1c43723a2a4132311bbb4d6e2e45b6a9463fe4845964cbf149667286bfcf8ce1d04d2710b5bc50e2deb4be7a4edbc

            • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\3dnsnfa3.default-release\datareporting\glean\pending_pings\99ec9bc5-5088-44e3-9145-5268fc9a64ac

              Filesize

              235B

              MD5

              ddbc1d7a46ba6eabcb9dc66d88cc29aa

              SHA1

              288e78f0cdefc4bc1e9ff5f44c088d050c29682b

              SHA256

              5a81894b26f325d7cb2e7ab3ed4f0734b6843db2a62b1a2dcf85bef7d0bb8f9a

              SHA512

              241ce6dc61267f235e9ad8e1789cbb2360904b4025bcdbbe4d614323abb1f93d38223c5cc35e464160ef8138b852f3509b86169b50c723da62178910ed39bb88

            • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\3dnsnfa3.default-release\datareporting\glean\pending_pings\b2192b92-be06-4085-9561-58afafa47668

              Filesize

              886B

              MD5

              80849b265aae4104985285be12929e22

              SHA1

              f7262b92972d5865b3245b89f5e04d0f95c78e2e

              SHA256

              0725884fc34bd9e63f8739b5ab473304ef180dd70a1e302db159c0707c65d4ee

              SHA512

              976e000a87a44fb85360a9c0741cb027f6ddbf6ad8e68276ca9ae58d7fc3d06f99ca8cc21e3db64ce2d3f712a2ce6d3227442c4fef681a868667f26cfddb632b

            • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\3dnsnfa3.default-release\datareporting\glean\pending_pings\f84d1187-cd26-4ee2-8883-b3efc688fbb2

              Filesize

              17KB

              MD5

              30d5c3e6ee98b8f403b1769e3278fb47

              SHA1

              da7937f0401d4c9e71da2ccc30db8fee14926b0a

              SHA256

              f473043429049423e88067546efa42396a3610aa4ee5fb0de25510c6b3dc1d92

              SHA512

              08a9c5fe39b3faed9c218981c14e1acda323791cf31ba941e2d9d057b04c1742490aa8535cdb8c46b15ec0c24b78003413acf25208287c07836d676731044065

            • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\3dnsnfa3.default-release\prefs-1.js

              Filesize

              7KB

              MD5

              65121326db64e67c9522ad90ec1e6fbf

              SHA1

              ecca73bffc0a523f0a1bd97937ab87cd2cd94e66

              SHA256

              e7609be866426cf84c375395e3b1e7099560fe3fcf5c5501c8e103b46202c8ef

              SHA512

              e1fe73dd3f66f97224add1ecf66a0f328f160599941aa9447c9bafa37705ad38f46f61892956a3d46daee369bae801b2b728b1037121b4c071e0e9c45c75c112

            • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\3dnsnfa3.default-release\prefs.js

              Filesize

              6KB

              MD5

              72c80228f30214a247e80b08478e72b9

              SHA1

              332b09b9643e3dd20a603b7b85edae71b6e6df79

              SHA256

              0c468dad290ba063ec62934bf41f8460d756ea9c6624b49e5b65111a34bdfaa6

              SHA512

              5d1a9dada6dcdbd03f8db6eebf20b49ed20c1f1245b041e903bdec3cb0159bd179f60e0a2d78b89a6865cccf3b160d68ca54a69b2816d108002b9e1df57f71ce

            • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\3dnsnfa3.default-release\prefs.js

              Filesize

              6KB

              MD5

              83ae96998788f3b9bafda7bfee3f967a

              SHA1

              725fbcd7d4a9d314fef78ae00ed98ea6f94c3326

              SHA256

              bc0471ef1bc46aaab9bae8a055a02bae06b3ef5fa4b19067c03029d977634165

              SHA512

              f072d405ce628a194bac01c02c0b374b5071289d8f146a1066def948d07797dfff47fee4250b804e931ccd7e934ac634046b0081d0027882d6d03433da86d729

            • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\3dnsnfa3.default-release\sessionCheckpoints.json.tmp

              Filesize

              288B

              MD5

              948a7403e323297c6bb8a5c791b42866

              SHA1

              88a555717e8a4a33eccfb7d47a2a4aa31038f9c0

              SHA256

              2fca1f29b73dd5b4159fa1eb16e69276482f5224ba7d2219a547039129a51f0e

              SHA512

              17e2f65c33f47c8bb4beca31db2aff3d4bbb6c2d36924057f9f847e207bdcb85ffcbb32c80dd06862ffc9b7f0bd3f5e2e65b48bb1bc3363732751101d5596b1a

            • memory/764-1-0x00000000748B0000-0x0000000074E61000-memory.dmp

              Filesize

              5.7MB

            • memory/764-20-0x00000000748B0000-0x0000000074E61000-memory.dmp

              Filesize

              5.7MB

            • memory/764-19-0x00000000748B2000-0x00000000748B3000-memory.dmp

              Filesize

              4KB

            • memory/764-0-0x00000000748B2000-0x00000000748B3000-memory.dmp

              Filesize

              4KB

            • memory/764-21-0x00000000748B0000-0x0000000074E61000-memory.dmp

              Filesize

              5.7MB

            • memory/764-5-0x00000000748B0000-0x0000000074E61000-memory.dmp

              Filesize

              5.7MB

            • memory/764-4-0x00000000748B0000-0x0000000074E61000-memory.dmp

              Filesize

              5.7MB

            • memory/764-3-0x00000000748B0000-0x0000000074E61000-memory.dmp

              Filesize

              5.7MB

            • memory/764-2-0x00000000748B0000-0x0000000074E61000-memory.dmp

              Filesize

              5.7MB

            • memory/4552-17-0x0000000000400000-0x000000000047A000-memory.dmp

              Filesize

              488KB

            • memory/4552-9-0x0000000000400000-0x000000000047A000-memory.dmp

              Filesize

              488KB

            • memory/4552-8-0x0000000000400000-0x000000000047A000-memory.dmp

              Filesize

              488KB

            • memory/4552-7-0x0000000000400000-0x000000000047A000-memory.dmp

              Filesize

              488KB

            • memory/4552-6-0x0000000000400000-0x000000000047A000-memory.dmp

              Filesize

              488KB