Analysis

  • max time kernel
    57s
  • max time network
    92s
  • platform
    windows10-1703_x64
  • resource
    win10-20240611-en
  • resource tags

    arch:x64arch:x86image:win10-20240611-enlocale:en-usos:windows10-1703-x64system
  • submitted
    20-07-2024 06:13

General

  • Target

    https://www.mediafire.com/file/zi43s0v7eacciix/Custom+Theme.rar/file

Malware Config

Extracted

Family

discordrat

Attributes
  • discord_token

    MTI1ODA5NjQzNzA2MjAwOTA2NQ.GhJzhd.kk9R2GDudIgunSijVjaWQD6sIwY3-Lvdx3K_jA

  • server_id

    1258096259378577508

Signatures

  • Discord RAT

    A RAT written in C# using Discord as a C2.

  • Loads dropped DLL 7 IoCs
  • Enumerates connected drives 3 TTPs 46 IoCs

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

  • Checks processor information in registry 2 TTPs 5 IoCs

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

  • Modifies registry class 1 IoCs
  • NTFS ADS 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 6 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of SetWindowsHookEx 4 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.

  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -osint -url "https://www.mediafire.com/file/zi43s0v7eacciix/Custom+Theme.rar/file"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3340
    • C:\Program Files\Mozilla Firefox\firefox.exe
      "C:\Program Files\Mozilla Firefox\firefox.exe" -osint -url https://www.mediafire.com/file/zi43s0v7eacciix/Custom+Theme.rar/file
      2⤵
      • Checks processor information in registry
      • Modifies registry class
      • NTFS ADS
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4400
      • C:\Program Files\Mozilla Firefox\firefox.exe
        "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4400.0.2022573165\1035041079" -parentBuildID 20221007134813 -prefsHandle 1696 -prefMapHandle 1688 -prefsLen 20767 -prefMapSize 233414 -appDir "C:\Program Files\Mozilla Firefox\browser" - {95d02fad-1b9b-4c41-af36-e20098812e02} 4400 "\\.\pipe\gecko-crash-server-pipe.4400" 1780 1f821ad8e58 gpu
        3⤵
          PID:2668
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4400.1.755422154\1278974256" -parentBuildID 20221007134813 -prefsHandle 2144 -prefMapHandle 2140 -prefsLen 21628 -prefMapSize 233414 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {46830828-f537-488d-9c14-89d17f859266} 4400 "\\.\pipe\gecko-crash-server-pipe.4400" 2156 1f8219fb358 socket
          3⤵
            PID:4336
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4400.2.1358023705\1285778400" -childID 1 -isForBrowser -prefsHandle 2900 -prefMapHandle 2916 -prefsLen 21731 -prefMapSize 233414 -jsInitHandle 1284 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {e49ab47e-4aac-4c2b-b362-27505b5bbe34} 4400 "\\.\pipe\gecko-crash-server-pipe.4400" 2892 1f8257f5f58 tab
            3⤵
              PID:2616
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4400.3.1397797081\1597326287" -childID 2 -isForBrowser -prefsHandle 3520 -prefMapHandle 3516 -prefsLen 26136 -prefMapSize 233414 -jsInitHandle 1284 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {6128a443-e28b-4f04-8031-9970ae71af34} 4400 "\\.\pipe\gecko-crash-server-pipe.4400" 2680 1f8243b9358 tab
              3⤵
                PID:2192
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4400.4.67986900\1796636821" -childID 3 -isForBrowser -prefsHandle 4844 -prefMapHandle 4840 -prefsLen 26195 -prefMapSize 233414 -jsInitHandle 1284 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {ed1a6866-1f0a-40a7-9009-976b2fc044b0} 4400 "\\.\pipe\gecko-crash-server-pipe.4400" 4876 1f8281a0b58 tab
                3⤵
                  PID:4572
                • C:\Program Files\Mozilla Firefox\firefox.exe
                  "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4400.5.1573305052\1370933065" -childID 4 -isForBrowser -prefsHandle 5016 -prefMapHandle 5020 -prefsLen 26195 -prefMapSize 233414 -jsInitHandle 1284 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {6c4299bf-e11d-4547-aa81-70d9d5c3d5de} 4400 "\\.\pipe\gecko-crash-server-pipe.4400" 5000 1f828342b58 tab
                  3⤵
                    PID:4948
                  • C:\Program Files\Mozilla Firefox\firefox.exe
                    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4400.6.2105036822\1335588767" -childID 5 -isForBrowser -prefsHandle 4760 -prefMapHandle 5320 -prefsLen 26195 -prefMapSize 233414 -jsInitHandle 1284 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {bbc3da6f-a381-4c17-860b-2d7e914f69fa} 4400 "\\.\pipe\gecko-crash-server-pipe.4400" 4832 1f828351958 tab
                    3⤵
                      PID:4124
                    • C:\Program Files\Mozilla Firefox\firefox.exe
                      "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4400.7.1314779915\1753770745" -parentBuildID 20221007134813 -prefsHandle 4360 -prefMapHandle 4356 -prefsLen 26410 -prefMapSize 233414 -appDir "C:\Program Files\Mozilla Firefox\browser" - {f254a4bf-c5af-42b4-b347-bb20134b45e3} 4400 "\\.\pipe\gecko-crash-server-pipe.4400" 9692 1f824029358 rdd
                      3⤵
                        PID:2976
                  • C:\Windows\System32\rundll32.exe
                    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
                    1⤵
                      PID:2620
                    • C:\Program Files\7-Zip\7zG.exe
                      "C:\Program Files\7-Zip\7zG.exe" x -o"C:\Users\Admin\Downloads\Custom Theme\" -ad -an -ai#7zMap7744:86:7zEvent18098
                      1⤵
                      • Suspicious use of AdjustPrivilegeToken
                      • Suspicious use of FindShellTrayWindow
                      PID:2076
                    • C:\Windows\System32\msiexec.exe
                      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\Downloads\Custom Theme\Custom Theme.msi"
                      1⤵
                      • Enumerates connected drives
                      • Suspicious use of AdjustPrivilegeToken
                      • Suspicious use of FindShellTrayWindow
                      PID:2944
                    • C:\Windows\system32\msiexec.exe
                      C:\Windows\system32\msiexec.exe /V
                      1⤵
                      • Enumerates connected drives
                      • Suspicious use of AdjustPrivilegeToken
                      PID:556
                      • C:\Windows\syswow64\MsiExec.exe
                        C:\Windows\syswow64\MsiExec.exe -Embedding 4C7093BED3E794A8DA9AEF46D1FB47AA C
                        2⤵
                        • Loads dropped DLL
                        PID:3600
                      • C:\Windows\system32\srtasks.exe
                        C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
                        2⤵
                          PID:3796
                        • C:\Windows\syswow64\MsiExec.exe
                          C:\Windows\syswow64\MsiExec.exe -Embedding 601695011439E08B63EFE1C2A8122039
                          2⤵
                            PID:4496
                        • C:\Windows\system32\vssvc.exe
                          C:\Windows\system32\vssvc.exe
                          1⤵
                            PID:4508
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k netsvcs -s DsmSvc
                            1⤵
                              PID:4732
                            • C:\Program Files (x86)\Custom Theme Group\Custom Theme\MSI Setup.exe
                              "C:\Program Files (x86)\Custom Theme Group\Custom Theme\MSI Setup.exe"
                              1⤵
                                PID:5136
                              • C:\Windows\system32\taskmgr.exe
                                "C:\Windows\system32\taskmgr.exe" /4
                                1⤵
                                  PID:5360

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

                                Loading Replay Monitor...

                                Downloads

                                • C:\Config.Msi\e58eae9.rbs

                                  Filesize

                                  8KB

                                  MD5

                                  2991c555229f00e43fae3641dbf37019

                                  SHA1

                                  9be30d18b6b8caca2027273548e7e40d7cbe6bd6

                                  SHA256

                                  94003e64b7dfb8c50a5f04a0c6a12aaf915dd5c4336be4ae4c504c06cd543249

                                  SHA512

                                  9fb326a7e5e5ef6e8ad10d0ab41ac881328a920234e9c673d9941169b2f13e3ca04961676570f787988adb1a2a0b31c0c8853e55c0a8de97b92251a302704f49

                                • C:\Program Files (x86)\Custom Theme Group\Custom Theme\MSI Setup.exe

                                  Filesize

                                  78KB

                                  MD5

                                  a5d78ceca0d1cf4f7c01570f52c87eba

                                  SHA1

                                  79a51625c12e3dc18f0df104e4b69c390780642a

                                  SHA256

                                  9bcaf3dbe98611f6cda0aa2e225777401746a802e53bd4b48f3d11637ed19c1a

                                  SHA512

                                  ce2fa48229eae4ee7ea6e707de5c244b9a645735731d2c9174bb65e272380b109ea709eac1c20fc5b5e004af0e340c44827a488b217ac14787ef4cc33a3cbc3f

                                • C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\2b7acdhd.default-release\activity-stream.discovery_stream.json.tmp

                                  Filesize

                                  22KB

                                  MD5

                                  b658f40f7f4e3a4d1e0fc78a861e6758

                                  SHA1

                                  946bbe46a25294acb380e8a7ef21c7030880dada

                                  SHA256

                                  deecdabde7212dda95d103e8a28cc60444ab7066bba48e035f1cb9f19d801be5

                                  SHA512

                                  c45a0a1c38cd836e487012afe0fe49abed63ba7792afd636047dc331d498ceb7abac412a8f6304c2266f0c104b996ad0870c70d18ea088b0772dc44609bdaae4

                                • C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\2b7acdhd.default-release\settings\main\ms-language-packs\browser\newtab\asrouter.ftl

                                  Filesize

                                  7KB

                                  MD5

                                  c460716b62456449360b23cf5663f275

                                  SHA1

                                  06573a83d88286153066bae7062cc9300e567d92

                                  SHA256

                                  0ec0f16f92d876a9c1140d4c11e2b346a9292984d9a854360e54e99fdcd99cc0

                                  SHA512

                                  476bc3a333aace4c75d9a971ef202d5889561e10d237792ca89f8d379280262ce98cf3d4728460696f8d7ff429a508237764bf4a9ccb59fd615aee07bdcadf30

                                • C:\Users\Admin\AppData\Local\Temp\MSI7124.tmp

                                  Filesize

                                  904KB

                                  MD5

                                  421643ee7bb89e6df092bc4b18a40ff8

                                  SHA1

                                  e801582a6dd358060a699c9c5cde31cd07ee49ab

                                  SHA256

                                  d6b89fd5a95071e7b144d8bedcb09b694e9cd14bfbfafb782b17cf8413eac6da

                                  SHA512

                                  d59c4ec7690e535da84f94bef2be7f94d6bfd0b2908fa9a67d0897abe8a2825fd52354c495ea1a7f133f727c2ee356869cc80bacf5557864d535a72d8c396023

                                • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\2b7acdhd.default-release\datareporting\glean\db\data.safe.bin

                                  Filesize

                                  2KB

                                  MD5

                                  00a50ae625fa884bd8f1058b4f55d271

                                  SHA1

                                  cec1020c6d47589802438b4add54fbf15ab760a0

                                  SHA256

                                  7b7d94c6ebc1839efdd5175826ff7a4607311ecf1c52fe3b0e845fbadd01ef7f

                                  SHA512

                                  f0462b24bab8ed46c6a24bdc4b6486d1507a9c86c71cb6a36f6cfb42efca6c5c7f73c6e3353ef1e2aa7649558fa40fd8ea0286588b5e8d2fa48228cc06333e9d

                                • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\2b7acdhd.default-release\datareporting\glean\pending_pings\b8266670-2bff-4003-ba1d-b77402940bf3

                                  Filesize

                                  11KB

                                  MD5

                                  33ebc45d82a23ab9f8fd55b629515d2f

                                  SHA1

                                  26fbfe08212ab888d065a4610960deb0657f82cb

                                  SHA256

                                  81254bd417a52e4e2cdf0f3dd2a061bc3270d04270da83175066495967572d82

                                  SHA512

                                  233dfc29b8057052fb286ed2891dcdbcf4ebbeea7499923f64ed2192b1bcdbb51792e5ef26467a509625fd08774934f1cf90d23a6b71b5ad9d8fe493b90ec592

                                • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\2b7acdhd.default-release\datareporting\glean\pending_pings\f5d2cba1-266b-4810-a1c8-8f911f07eff2

                                  Filesize

                                  746B

                                  MD5

                                  ead9fb1483f4e800607eb9474ee82f9f

                                  SHA1

                                  640eb25a6890427d46e5d5719602dc651952904f

                                  SHA256

                                  6fa23eacc9c67b6009d67bd89d31bc1393fa9d41d7ad31079b18fb274321bcd6

                                  SHA512

                                  0e6a604f30682d582123d637550ed290a4ec570dc812ee328bfd0a5ec9cc82852b919c22de2bff8c1a8d215c04ee04d21e55a0d1d5b93ff1bd51c2b6aea116a9

                                • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\2b7acdhd.default-release\prefs-1.js

                                  Filesize

                                  6KB

                                  MD5

                                  dd8159022e0027ccd1c8acf8dddef2dd

                                  SHA1

                                  f86469979042ffed1fc0653ddab65a5b6f0743e0

                                  SHA256

                                  2afd09b4064e19376a772653245e9f3dcb45a143c4a72d6cd51196a78686eb2e

                                  SHA512

                                  d7be3c3af9709b41ae2c752b23183448ad4b50f8fb50060ee14fb35c106118420ab61e3d0311547766caa4f2bafa8d82757bc63fdb8681bc2e06603fcc9fd79c

                                • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\2b7acdhd.default-release\prefs-1.js

                                  Filesize

                                  6KB

                                  MD5

                                  24bf10b7a52ad613e81753cbd066e093

                                  SHA1

                                  6acb0731a829a58403d60637ab8dab58f19852ec

                                  SHA256

                                  0ae2b90ae49cb2da69e782cf82324d3203c9d06934eadb251e030889cdf31fb7

                                  SHA512

                                  cb02362203f77b67a8bed8788c12725805377d36f9099fa77ec7585f61009dd6085341d9accfd6a17c415a2da6a86f0ebde77ee8e22263aca11a33ae42b769f3

                                • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\2b7acdhd.default-release\prefs-1.js

                                  Filesize

                                  6KB

                                  MD5

                                  36ec90c7478629016a48326ad657df50

                                  SHA1

                                  b651349254d2cc4b61c7d9809ed50e854c6357f5

                                  SHA256

                                  ec7ded2a547fb6ff7601d6a031bd7dbbddea7e1f01a6ff1a3fbcebba585c7d76

                                  SHA512

                                  0aab50f2f6d3a3a737136870c6d9dc162e70069c517082392a4a07a65d4cf6e0998e0db41aba9a7fe3173fcf177e2d6f5d2bd452cbe50970e714b01123f00d40

                                • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\2b7acdhd.default-release\prefs.js

                                  Filesize

                                  6KB

                                  MD5

                                  94afb9a0b8cf69c80d65300c8d9e6dfa

                                  SHA1

                                  b81a06a7e6471555dbb9d86217dc0b206b5b8fef

                                  SHA256

                                  0f67620c0ff78e767f81fda15dbcd5b4676b9737abc6352c41d5f9fbea3d5b2b

                                  SHA512

                                  714319179aa2c5631c3e816485372e9345caafc26e0ac174ec9d2a81a3a2b7f4e0c663b7c1cb0815cccc58cb7f6709da4b5a76cc79cca993b8ca9bb0df707924

                                • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\2b7acdhd.default-release\sessionstore-backups\recovery.jsonlz4

                                  Filesize

                                  2KB

                                  MD5

                                  0778a44f571aff2c2b20a48560ca9d1a

                                  SHA1

                                  48fdfcf24bd83a6f8176f40d4cb977c27aa41e59

                                  SHA256

                                  bb04ee760a2524496e8ca25d7d55e07ef569bfd0ed0bded72f6c6be4ba62ffbb

                                  SHA512

                                  a04479c381b4d5205486d7a59b94b8d36581f0faffcbfa3fb3d59e25bb592aa6b9f1537d7f3986bd088dc92aa69ac544be6b874f97c4468069ffbb605b8d7979

                                • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\2b7acdhd.default-release\sessionstore-backups\recovery.jsonlz4

                                  Filesize

                                  2KB

                                  MD5

                                  83995d2213142a5146e8f7f18c10ffcf

                                  SHA1

                                  1981ee19951b7e54f904b6a28e63245336a08e83

                                  SHA256

                                  c76f3d94c966cbf8f5246b4029d639fa4e256c9c7c1991e293dde5c6e26a2cb1

                                  SHA512

                                  5d50e9d63c4d1700b0e70433993400430eeabe8ccc6d287f4eb99ce16a5fe7d697a2bcec74adbf7d935eebecc61e46b62cba09b54020c31bb1a6db6be23020b9

                                • C:\Users\Admin\Downloads\Custom Theme.eKFREjy2.rar.part

                                  Filesize

                                  561KB

                                  MD5

                                  b4105bbe8c0855e7062f231a5ebab3b7

                                  SHA1

                                  d815e28ec0e12df5903724f5c9114bc7943b2948

                                  SHA256

                                  144ce56abbd5e2377f3c3218763cb2f27cb334515838be32ca0514995fd5f706

                                  SHA512

                                  a91ceeb7d691f707c9fba9ac15f0269ed6b6f3da214beb5d7a66985ec5b37d1ca990a27c65d3f44260a96b5c2c2928f4528e6a9296e3849c43722bae390b1230

                                • C:\Users\Admin\Downloads\Custom Theme\Custom Theme.msi

                                  Filesize

                                  1.9MB

                                  MD5

                                  3a6d228f64408b62459124daf05bb83f

                                  SHA1

                                  a0c43230ae4eb0611052b78053214a5e8898a9a4

                                  SHA256

                                  90673e8a84408b0bf7c029cf6b3c1394a52bb32f318770a0328d7904256e7643

                                  SHA512

                                  1cfc629d234cb97a40c154a3beeef2f822bbf86c6d90c8df026cf249afd6b7b062ce7a0f6f1b8e787a3972848b42b5320c1ed7ff99c91e00c1d494d412c52c13

                                • \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2

                                  Filesize

                                  26.0MB

                                  MD5

                                  7cbc37fff226d689e8b70298f74f826f

                                  SHA1

                                  218b5b6e7c3b6dd9be13dabbd29899e79e91793c

                                  SHA256

                                  9227377a15af100038abc8dfae53b2ca1afc4d2c53f084ba79b0bf6b126a1852

                                  SHA512

                                  b150824e3850fa901347f15d03f52a64da167706c9e7a877df7f94d4cfd0a24088794df4a6e909b5f56d7e87bc3660664c8aa6d340dcccb53bc09cf223ecc4bf

                                • \??\Volume{4f38e779-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{9bd18b63-8c75-4f44-a50d-4ffe66255ac6}_OnDiskSnapshotProp

                                  Filesize

                                  5KB

                                  MD5

                                  daf3db9823b60f7df24c7b1ad5718cce

                                  SHA1

                                  d6884bd1e05c116578f9413a091f2eae49aa1bab

                                  SHA256

                                  1c5e1afafe3b64719459dd5d1c01e1dc121a2c3498d6f331d32c0c89db7932f4

                                  SHA512

                                  db88f873dd87e7b4ae31568803f06100f05b01571b17baefd481a889f8203d724063c2306a40843e65688a29e02100a0a4a67b183b894de34935e5f19d46c27b

                                • memory/5136-496-0x000001D766870000-0x000001D766A32000-memory.dmp

                                  Filesize

                                  1.8MB

                                • memory/5136-495-0x000001D74C0A0000-0x000001D74C0B8000-memory.dmp

                                  Filesize

                                  96KB

                                • memory/5136-497-0x000001D7679C0000-0x000001D767EE6000-memory.dmp

                                  Filesize

                                  5.1MB