Analysis
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max time kernel
134s -
max time network
136s -
platform
windows10-1703_x64 -
resource
win10-20240404-en -
resource tags
arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system -
submitted
28-05-2024 16:12
Behavioral task
behavioral1
Sample
Client-built.exe
Resource
win10-20240404-en
General
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Target
Client-built.exe
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Size
78KB
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MD5
de09ec6cf640a8b26391f70e1243e712
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SHA1
669ce7e781522bcadb745e4e50ce12c903f043b5
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SHA256
d82bc37ca66a2c6b78dcf7934a818d3d7692890fffe98104f30e71d9f0875e73
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SHA512
f146d29dfc1922e719e07f58a659a540f75d08cd20f1b54fd5070b7cfaa748c83de6ee47e80b60269530c790a3d6962f84b1a08a6459041378e6c2b36e6d01e2
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SSDEEP
1536:52WjO8XeEXFh5P7v88wbjNrfxCXhRoKV6+V+dPIC:5Zv5PDwbjNrmAE+NIC
Malware Config
Extracted
discordrat
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discord_token
MTIzNDU2NzE3OTczMTczMDQ5Nw.GCNDco.4i7LGmddJq3Pm_4DoLSiC2SvJgPZvHtymWAy_Y
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server_id
1195057881633001625
Signatures
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Discord RAT
A RAT written in C# using Discord as a C2.
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Legitimate hosting services abused for malware hosting/C2 1 TTPs 6 IoCs
flow ioc 33 discord.com 36 discord.com 37 discord.com 39 discord.com 87 discord.com 88 discord.com -
Checks processor information in registry 2 TTPs 8 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~Mhz firefox.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier firefox.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 firefox.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Signature firefox.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Revision firefox.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~Mhz firefox.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier firefox.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 firefox.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-873560699-1074803302-2326074425-1000_Classes\Local Settings firefox.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 4500 Client-built.exe Token: SeDebugPrivilege 4612 firefox.exe Token: SeDebugPrivilege 4612 firefox.exe -
Suspicious use of FindShellTrayWindow 4 IoCs
pid Process 4612 firefox.exe 4612 firefox.exe 4612 firefox.exe 4612 firefox.exe -
Suspicious use of SendNotifyMessage 3 IoCs
pid Process 4612 firefox.exe 4612 firefox.exe 4612 firefox.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4612 firefox.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 5072 wrote to memory of 4612 5072 firefox.exe 80 PID 5072 wrote to memory of 4612 5072 firefox.exe 80 PID 5072 wrote to memory of 4612 5072 firefox.exe 80 PID 5072 wrote to memory of 4612 5072 firefox.exe 80 PID 5072 wrote to memory of 4612 5072 firefox.exe 80 PID 5072 wrote to memory of 4612 5072 firefox.exe 80 PID 5072 wrote to memory of 4612 5072 firefox.exe 80 PID 5072 wrote to memory of 4612 5072 firefox.exe 80 PID 5072 wrote to memory of 4612 5072 firefox.exe 80 PID 5072 wrote to memory of 4612 5072 firefox.exe 80 PID 5072 wrote to memory of 4612 5072 firefox.exe 80 PID 4612 wrote to memory of 3028 4612 firefox.exe 81 PID 4612 wrote to memory of 3028 4612 firefox.exe 81 PID 4612 wrote to memory of 4592 4612 firefox.exe 82 PID 4612 wrote to memory of 4592 4612 firefox.exe 82 PID 4612 wrote to memory of 4592 4612 firefox.exe 82 PID 4612 wrote to memory of 4592 4612 firefox.exe 82 PID 4612 wrote to memory of 4592 4612 firefox.exe 82 PID 4612 wrote to memory of 4592 4612 firefox.exe 82 PID 4612 wrote to memory of 4592 4612 firefox.exe 82 PID 4612 wrote to memory of 4592 4612 firefox.exe 82 PID 4612 wrote to memory of 4592 4612 firefox.exe 82 PID 4612 wrote to memory of 4592 4612 firefox.exe 82 PID 4612 wrote to memory of 4592 4612 firefox.exe 82 PID 4612 wrote to memory of 4592 4612 firefox.exe 82 PID 4612 wrote to memory of 4592 4612 firefox.exe 82 PID 4612 wrote to memory of 4592 4612 firefox.exe 82 PID 4612 wrote to memory of 4592 4612 firefox.exe 82 PID 4612 wrote to memory of 4592 4612 firefox.exe 82 PID 4612 wrote to memory of 4592 4612 firefox.exe 82 PID 4612 wrote to memory of 4592 4612 firefox.exe 82 PID 4612 wrote to memory of 4592 4612 firefox.exe 82 PID 4612 wrote to memory of 4592 4612 firefox.exe 82 PID 4612 wrote to memory of 4592 4612 firefox.exe 82 PID 4612 wrote to memory of 4592 4612 firefox.exe 82 PID 4612 wrote to memory of 4592 4612 firefox.exe 82 PID 4612 wrote to memory of 4592 4612 firefox.exe 82 PID 4612 wrote to memory of 4592 4612 firefox.exe 82 PID 4612 wrote to memory of 4592 4612 firefox.exe 82 PID 4612 wrote to memory of 4592 4612 firefox.exe 82 PID 4612 wrote to memory of 4592 4612 firefox.exe 82 PID 4612 wrote to memory of 4592 4612 firefox.exe 82 PID 4612 wrote to memory of 4592 4612 firefox.exe 82 PID 4612 wrote to memory of 4592 4612 firefox.exe 82 PID 4612 wrote to memory of 4592 4612 firefox.exe 82 PID 4612 wrote to memory of 4592 4612 firefox.exe 82 PID 4612 wrote to memory of 4592 4612 firefox.exe 82 PID 4612 wrote to memory of 4592 4612 firefox.exe 82 PID 4612 wrote to memory of 4592 4612 firefox.exe 82 PID 4612 wrote to memory of 4592 4612 firefox.exe 82 PID 4612 wrote to memory of 4592 4612 firefox.exe 82 PID 4612 wrote to memory of 4592 4612 firefox.exe 82 PID 4612 wrote to memory of 4592 4612 firefox.exe 82 PID 4612 wrote to memory of 4592 4612 firefox.exe 82 PID 4612 wrote to memory of 4592 4612 firefox.exe 82 PID 4612 wrote to memory of 4592 4612 firefox.exe 82 PID 4612 wrote to memory of 4592 4612 firefox.exe 82 PID 4612 wrote to memory of 4592 4612 firefox.exe 82 PID 4612 wrote to memory of 4592 4612 firefox.exe 82 PID 4612 wrote to memory of 4592 4612 firefox.exe 82 PID 4612 wrote to memory of 4592 4612 firefox.exe 82 PID 4612 wrote to memory of 4912 4612 firefox.exe 83 PID 4612 wrote to memory of 4912 4612 firefox.exe 83 PID 4612 wrote to memory of 4912 4612 firefox.exe 83 -
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
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C:\Users\Admin\AppData\Local\Temp\Client-built.exe"C:\Users\Admin\AppData\Local\Temp\Client-built.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4500
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C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵PID:2120
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C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:5072 -
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:4612 -
C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4612.0.1217162386\91578367" -parentBuildID 20221007134813 -prefsHandle 1700 -prefMapHandle 1692 -prefsLen 20747 -prefMapSize 233444 -appDir "C:\Program Files\Mozilla Firefox\browser" - {14c21fb8-2b58-44ec-8600-956a7107d39e} 4612 "\\.\pipe\gecko-crash-server-pipe.4612" 1780 229eded7858 gpu3⤵PID:3028
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C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4612.1.732460067\742105435" -parentBuildID 20221007134813 -prefsHandle 2124 -prefMapHandle 2120 -prefsLen 20828 -prefMapSize 233444 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {b81109f9-a936-4f8d-aad6-bff018f7e502} 4612 "\\.\pipe\gecko-crash-server-pipe.4612" 2136 229e2f72b58 socket3⤵
- Checks processor information in registry
PID:4592
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C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4612.2.1478592391\1985456341" -childID 1 -isForBrowser -prefsHandle 2992 -prefMapHandle 2684 -prefsLen 20931 -prefMapSize 233444 -jsInitHandle 1316 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {a58d31fc-ba8d-4d2e-bc86-24d8c00557ca} 4612 "\\.\pipe\gecko-crash-server-pipe.4612" 2784 229ede5e858 tab3⤵PID:4912
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C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4612.3.318499345\567280461" -childID 2 -isForBrowser -prefsHandle 992 -prefMapHandle 1264 -prefsLen 26109 -prefMapSize 233444 -jsInitHandle 1316 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {c650be4c-aa3e-4ca9-908a-22a6e67dbf20} 4612 "\\.\pipe\gecko-crash-server-pipe.4612" 3672 229e2f62b58 tab3⤵PID:4180
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C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4612.4.379315991\764594682" -childID 3 -isForBrowser -prefsHandle 4168 -prefMapHandle 4164 -prefsLen 26168 -prefMapSize 233444 -jsInitHandle 1316 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {8a5fbe9e-2e13-4842-b555-633163bd75af} 4612 "\\.\pipe\gecko-crash-server-pipe.4612" 4180 229f3046758 tab3⤵PID:2124
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C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4612.5.2104511973\11087095" -childID 4 -isForBrowser -prefsHandle 4912 -prefMapHandle 4900 -prefsLen 26249 -prefMapSize 233444 -jsInitHandle 1316 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {5f0fb379-0e2c-4833-8749-3d7b716c33b7} 4612 "\\.\pipe\gecko-crash-server-pipe.4612" 4924 229e2f67b58 tab3⤵PID:784
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C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4612.6.1016318484\1528600245" -childID 5 -isForBrowser -prefsHandle 5060 -prefMapHandle 5064 -prefsLen 26249 -prefMapSize 233444 -jsInitHandle 1316 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {7df48f2a-7a6e-4977-b0e5-8c31142d4873} 4612 "\\.\pipe\gecko-crash-server-pipe.4612" 4728 229f450fa58 tab3⤵PID:2820
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C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4612.7.705348247\1836000752" -childID 6 -isForBrowser -prefsHandle 5212 -prefMapHandle 5216 -prefsLen 26249 -prefMapSize 233444 -jsInitHandle 1316 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {42b6a5d2-a6ee-4377-8598-15ed38d38325} 4612 "\\.\pipe\gecko-crash-server-pipe.4612" 5204 229f4510358 tab3⤵PID:4520
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C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4612.8.1694858547\479258347" -childID 7 -isForBrowser -prefsHandle 5692 -prefMapHandle 5104 -prefsLen 26249 -prefMapSize 233444 -jsInitHandle 1316 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {d04158bc-fb43-42e2-8839-842048429e2c} 4612 "\\.\pipe\gecko-crash-server-pipe.4612" 5424 229f6335b58 tab3⤵PID:3764
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C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4612.9.1365183442\1962007239" -parentBuildID 20221007134813 -prefsHandle 3236 -prefMapHandle 3228 -prefsLen 26503 -prefMapSize 233444 -appDir "C:\Program Files\Mozilla Firefox\browser" - {986136d8-ef37-4e06-991d-23f614403ffb} 4612 "\\.\pipe\gecko-crash-server-pipe.4612" 2640 229f5551658 rdd3⤵PID:884
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C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4612.10.527046910\411198552" -childID 8 -isForBrowser -prefsHandle 5468 -prefMapHandle 2640 -prefsLen 26503 -prefMapSize 233444 -jsInitHandle 1316 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {4d170f99-10b6-4777-9756-ce9b7a630476} 4612 "\\.\pipe\gecko-crash-server-pipe.4612" 4280 229f55d9d58 tab3⤵PID:2604
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C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4612.11.583383974\452362053" -parentBuildID 20221007134813 -sandboxingKind 1 -prefsHandle 6068 -prefMapHandle 6064 -prefsLen 26503 -prefMapSize 233444 -appDir "C:\Program Files\Mozilla Firefox\browser" - {c31a2e94-2d66-4c1a-a488-36e5cd5a745c} 4612 "\\.\pipe\gecko-crash-server-pipe.4612" 6036 229f55dbe58 utility3⤵PID:2192
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
113KB
MD500fdc0df893570084d4e5d9aabcf2e45
SHA10b2e2efd65bf092e2b89a8ebb908af4f0436cb58
SHA256ace169ba5ad8ceb08bfcb4697aec7e98b780374b5b9d54d23e2762a97c2afbec
SHA5127b116875a41dda194185ed727b8a52ec3a7d9e0f7a8dd9ede94994b1c65db9ef4fee52f805334af018c5e8073f845f1e4527395058ab9d3f37256f38f2a7b441
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C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\wtg1s5j6.default-release\datareporting\glean\db\data.safe.bin
Filesize2KB
MD53e4d48bf4832d8d263510ab8bb1bdfbe
SHA1b4f054a5942abd026c5e2cad0a57b9e53d83b157
SHA25637729954e23fdd837d100a12f6565e279f45f0e042b4824a9459d401ccc11ccb
SHA512854308c7355d5605001071efb55903d769fef0b910222eb464768c6beab80173519f011a83cdec0a53dad3bac5324c67baf273ddd0460783736e619f3fd4ae00
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C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\wtg1s5j6.default-release\datareporting\glean\pending_pings\f9eb1699-4b16-4e03-8a29-2a1c525d2493
Filesize11KB
MD59f2866decaa8b29f2b94fe5b4890b7f4
SHA1456ea23f58ccee6d7f0a65c744094f2ed6a7b479
SHA256a4a735c6bcc8f26b6c0214bb0fdbc1e9e1cb46f11490e4f371c6a5e6ccc77c5b
SHA5128b8c016ea36e00171dfa393c199f95897e75130d4e021608f3f4874e6b845ec093be37b0e6d531ec74e34c369c97a15a3a8adf13a7ce672abccfdfdb53a17e82
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C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\wtg1s5j6.default-release\datareporting\glean\pending_pings\ff977d8a-1585-4127-ad01-84cebd0265cd
Filesize746B
MD56c0de46836715db0bb000dd148f0bccb
SHA11fc5f0ad194f0b1ed4042e0269de6bbd54fcb2fc
SHA2566b88a8fed01b08f935059ae4b8b5f7950f67cd581eb86242e3d2b603587ad2fc
SHA512f6ae94c1c5264f4d4d71abed15dae6875be99c700d21078415bba3e95fb66453be0adde1e45ae009aff730921a9fb413e4b4f1160f362d845b246b8a27dd0771
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Filesize
6KB
MD56cf05535e79145ffb74719f3a757f266
SHA19bddeaff8535efe2d2347cced74c827dd8a93047
SHA25637cedf5b60839b21bf99c8dbf7213840fb6a567e5e93db0555d618f4a3e891af
SHA512e62531d84dc517044e7b7541390dc0957648b0993b142f0f9c33ad474edc3bba663c6bd0cae7433f95ef940c8c3df71a96a5ffe1d3eaa216588282fef019e78a
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Filesize
6KB
MD547fc7afcd37014ff8e25470540701eef
SHA170e38248b2036c8e81618581d062d983003bacad
SHA256bdc7579541b035246a6a86f453077d1aa2bbc1df9a3301c6ecda96e9e0aed9ce
SHA51248e094d6a53e112b2e4eb1d861166601655509770f309421ce4299c95f4b1422d1c343be6e8da6670ec9f0c83eaf2639281962e989e292d92871d1d61e219bd9
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C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\wtg1s5j6.default-release\sessionstore-backups\recovery.jsonlz4
Filesize2KB
MD5c96335c87a0f1d27d591f5595b4e9dc7
SHA11cd0724df3c79ea2af295981b78f5a8e0f7940ae
SHA256c7f4525d5ca5416cc6de391939904a026364981d0b4f0ca0c4cf3263b82d8b02
SHA51289b94f2adecd4dba5d63057822f26ff0620ee65af7cb6a906163974779048452007308667a0c401087aea91b1f243dc98fe03e76c65b1552778506f656a1ff17
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C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\wtg1s5j6.default-release\sessionstore-backups\recovery.jsonlz4
Filesize2KB
MD56f4d530d29076c4c128811f10c5a62b6
SHA1333e25a8870b7c09c2ea7163d58d888d4061b34b
SHA256dfcf095039ba87de7fb4e36337c84b561bd951da641df03326b2d52bedcc232a
SHA512fbd6eac1795519c66e7b7963c1103d978a52aafd4ceda60ffe29f7b2b70b2fa51bf3a6ea26d27db69de5790f5d038fcf3ff9e0ae1a80aebcd228bfbda59208f6
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C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\wtg1s5j6.default-release\sessionstore.jsonlz4
Filesize2KB
MD59ea4b4111bf007d162595ab40796b39e
SHA1a6d8590b478e784e7b052fe49fcdaf433fd794dd
SHA256d076e2bbc6fbd2e0e6efb840a8aa632050083c7cc0197a024eeb534d934e5844
SHA512be19deddbac9dffa5a91bda93e2e784848fd47d08fa0be2c13be2a41e5fa52e5ca76cedb6fb41d78b074a91647e8b44516eed6d184abd88b2d11fb41b8890710
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C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\wtg1s5j6.default-release\storage\permanent\chrome\idb\3870112724rsegmnoittet-es.sqlite
Filesize184KB
MD50d0013d9708d9fef539adc917f5b87f6
SHA15e071e6b4d8abf007c8bb78ee948caf5bb0439e1
SHA256f416d29cdbaa66b7d04483831d2a593a735316fafb643414a12df78da0ab054b
SHA512851e9965a0fed9e0f5195ce655635cf13687d18678e4a9df807ab22cbc53c02cd2006fd65d93cd80b2a06d709e59122ea9933ba5cec551c6d51f5e9b4c175388