Analysis
- max time kernel
150s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
22/05/2026, 04:23
Static task
static1
Behavioral task
behavioral1
Sample
2026-05-22_e487c3bf87196e9b3ec9e656bed06197_akira_glassworm_quasar-rat.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
2026-05-22_e487c3bf87196e9b3ec9e656bed06197_akira_glassworm_quasar-rat.exe
Resource
win11-20260513-en
General
- Target 2026-05-22_e487c3bf87196e9b3ec9e656bed06197_akira_glassworm_quasar-rat.exe
- Size 6.2MB
- Sample260522-ezzzfshs4s
- SHA256 1bc8e3775f9c71c87c94999a648f1f377c50a1aff979f51c6bc96c2d31576345
- MD5 e487c3bf87196e9b3ec9e656bed06197
- SHA1 9792ed8a9cf98266a1dcc8ade30dc123b3b08656
- SHA512 d19c3b98dbc80fcad499ba11438a53feb1eb2fc14a47e0c870057f77b7bad019e3d11979d078aa02c8657b3e34ce2128d529cd6a47bb04e090a48678210ac489
- SSDEEP 49152:SQLFnB3N4W4ROFkoVFuPQCQpINjWEFFIdjEfii7nbb+KnCDBzNH5diEs3k9quZnt:FF0fOJralAGbeljs0Jw05ZR+bD
- TLSH T14D665A03F2A581E8C0AEC174835AA733FA32B8895535B65F5BE0CB212F25F509F1E759
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Creates new service(s) 2 TTPs
- Executes dropped EXE 3 IoCs
pid Process 4344 defender.exe 396 defender.exe 1288 defender.exe - Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2370214745-1838013427-2987045292-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WindowsDefender = "C:\\Users\\Admin\\AppData\\Roaming\\defender.exe" 2026-05-22_e487c3bf87196e9b3ec9e656bed06197_akira_glassworm_quasar-rat.exe Set value (str) \REGISTRY\USER\S-1-5-21-2370214745-1838013427-2987045292-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WindowsDefender = "C:\\Users\\Admin\\AppData\\Roaming\\defender.exe" defender.exe - Drops file in System32 directory 17 IoCs
description ioc Process File opened for modification C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Windows\Explorer\iconcache_1920.db cmstp.exe File created C:\Windows\system32\config\systemprofile\AppData\Roaming\defender.exe defender.exe File opened for modification C:\Windows\system32\config\systemprofile\AppData\Roaming\defender.exe defender.exe File opened for modification C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Windows\Explorer\iconcache_256.db cmstp.exe File opened for modification C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Windows\Explorer\iconcache_exif.db cmstp.exe File opened for modification C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Windows\Explorer\iconcache_custom_stream.db cmstp.exe File opened for modification C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Windows\Explorer\iconcache_96.db cmstp.exe File opened for modification C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Windows\Explorer\iconcache_768.db cmstp.exe File opened for modification C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Windows\Explorer\iconcache_1280.db cmstp.exe File opened for modification C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Windows\Explorer\iconcache_wide.db cmstp.exe File opened for modification C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Windows\Explorer\iconcache_wide_alternate.db cmstp.exe File opened for modification C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Windows\Explorer\iconcache_16.db cmstp.exe File opened for modification C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Windows\Explorer\iconcache_32.db cmstp.exe File opened for modification C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Windows\Explorer\iconcache_2560.db cmstp.exe File opened for modification C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Windows\Explorer\iconcache_sr.db cmstp.exe File opened for modification C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Windows\Explorer\iconcache_idx.db cmstp.exe File opened for modification C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Windows\Explorer\iconcache_48.db cmstp.exe - Launches sc.exe 6 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2624 sc.exe 4164 sc.exe 3160 sc.exe 1792 sc.exe 4572 sc.exe 680 sc.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Modifies data under HKEY_USERS 8 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Run\WindowsDefender = "C:\\Windows\\system32\\config\\systemprofile\\AppData\\Roaming\\defender.exe" defender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows NT\CurrentVersion\Network\Network Connections cmstp.exe Key created \REGISTRY\USER\.DEFAULT\Software cmstp.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft cmstp.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows NT cmstp.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows NT\CurrentVersion cmstp.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows NT\CurrentVersion\Network cmstp.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Run defender.exe - Scheduled Task/Job: Scheduled Task 1 TTPs 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2160 schtasks.exe 2352 schtasks.exe 2444 schtasks.exe - Suspicious use of WriteProcessMemory 19 IoCs
description pid Process procid_target PID 3948 wrote to memory of 1720 3948 2026-05-22_e487c3bf87196e9b3ec9e656bed06197_akira_glassworm_quasar-rat.exe 86 PID 3948 wrote to memory of 2160 3948 2026-05-22_e487c3bf87196e9b3ec9e656bed06197_akira_glassworm_quasar-rat.exe 91 PID 3948 wrote to memory of 4164 3948 2026-05-22_e487c3bf87196e9b3ec9e656bed06197_akira_glassworm_quasar-rat.exe 92 PID 4344 wrote to memory of 2492 4344 defender.exe 97 PID 3948 wrote to memory of 3160 3948 2026-05-22_e487c3bf87196e9b3ec9e656bed06197_akira_glassworm_quasar-rat.exe 98 PID 3948 wrote to memory of 3652 3948 2026-05-22_e487c3bf87196e9b3ec9e656bed06197_akira_glassworm_quasar-rat.exe 99 PID 396 wrote to memory of 3368 396 defender.exe 102 PID 4344 wrote to memory of 2352 4344 defender.exe 104 PID 4344 wrote to memory of 1792 4344 defender.exe 105 PID 396 wrote to memory of 2444 396 defender.exe 108 PID 396 wrote to memory of 4572 396 defender.exe 109 PID 5088 wrote to memory of 868 5088 2026-05-22_e487c3bf87196e9b3ec9e656bed06197_akira_glassworm_quasar-rat.exe 114 PID 1288 wrote to memory of 3420 1288 defender.exe 116 PID 4344 wrote to memory of 680 4344 defender.exe 117 PID 4344 wrote to memory of 4500 4344 defender.exe 118 PID 396 wrote to memory of 2624 396 defender.exe 120 PID 396 wrote to memory of 2264 396 defender.exe 121 PID 5088 wrote to memory of 696 5088 2026-05-22_e487c3bf87196e9b3ec9e656bed06197_akira_glassworm_quasar-rat.exe 123 PID 1288 wrote to memory of 4264 1288 defender.exe 124 - 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\2026-05-22_e487c3bf87196e9b3ec9e656bed06197_akira_glassworm_quasar-rat.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-22_e487c3bf87196e9b3ec9e656bed06197_akira_glassworm_quasar-rat.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3948 -
\??\c:\Windows\System32\cmstp.exe"c:\Windows\System32\cmstp.exe" /au c:\windows\temp\3STfexVrfPg4kJqY.inf2⤵PID:1720
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C:\Windows\system32\schtasks.exe"schtasks" /create /tn WindowsDefender /tr C:\Users\Admin\AppData\Roaming\defender.exe /sc onlogon /rl highest /f2⤵
- Scheduled Task/Job: Scheduled Task
PID:2160
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C:\Windows\system32\sc.exe"sc" create WindowsDefender binPath= C:\Users\Admin\AppData\Roaming\defender.exe start= auto2⤵
- Launches sc.exe
PID:4164
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C:\Windows\system32\sc.exe"sc" start WindowsDefender2⤵
- Launches sc.exe
PID:3160
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\??\c:\Windows\System32\cmstp.exe"c:\Windows\System32\cmstp.exe" /au c:\windows\temp\Vy9idUB4VYGKOQra.inf2⤵PID:3652
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C:\Users\Admin\AppData\Roaming\defender.exeC:\Users\Admin\AppData\Roaming\defender.exe1⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4344 -
\??\c:\Windows\System32\cmstp.exe"c:\Windows\System32\cmstp.exe" /au c:\windows\temp\4ToSAwHBfmRlrI0m.inf2⤵PID:2492
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C:\Windows\system32\schtasks.exe"schtasks" /create /tn WindowsDefender /tr C:\Users\Admin\AppData\Roaming\defender.exe /sc onlogon /rl highest /f2⤵
- Scheduled Task/Job: Scheduled Task
PID:2352
-
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C:\Windows\system32\sc.exe"sc" create WindowsDefender binPath= C:\Users\Admin\AppData\Roaming\defender.exe start= auto2⤵
- Launches sc.exe
PID:1792
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C:\Windows\system32\sc.exe"sc" start WindowsDefender2⤵
- Launches sc.exe
PID:680
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\??\c:\Windows\System32\cmstp.exe"c:\Windows\System32\cmstp.exe" /au c:\windows\temp\G3PGjmc3BunyuPWv.inf2⤵PID:4500
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C:\Users\Admin\AppData\Roaming\defender.exeC:\Users\Admin\AppData\Roaming\defender.exe1⤵
- Executes dropped EXE
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious use of WriteProcessMemory
PID:396 -
\??\c:\Windows\System32\cmstp.exe"c:\Windows\System32\cmstp.exe" /au c:\windows\temp\eUE1rKwWyTEtQV4f.inf2⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:3368
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C:\Windows\system32\schtasks.exe"schtasks" /create /tn WindowsDefender /tr C:\Windows\system32\config\systemprofile\AppData\Roaming\defender.exe /sc onlogon /rl highest /f2⤵
- Scheduled Task/Job: Scheduled Task
PID:2444
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C:\Windows\system32\sc.exe"sc" create WindowsDefender binPath= C:\Windows\system32\config\systemprofile\AppData\Roaming\defender.exe start= auto2⤵
- Launches sc.exe
PID:4572
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C:\Windows\system32\sc.exe"sc" start WindowsDefender2⤵
- Launches sc.exe
PID:2624
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\??\c:\Windows\System32\cmstp.exe"c:\Windows\System32\cmstp.exe" /au c:\windows\temp\itzv3Kpi193gzjEI.inf2⤵PID:2264
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C:\Users\Admin\AppData\Local\Temp\2026-05-22_e487c3bf87196e9b3ec9e656bed06197_akira_glassworm_quasar-rat.exeC:\Users\Admin\AppData\Local\Temp\2026-05-22_e487c3bf87196e9b3ec9e656bed06197_akira_glassworm_quasar-rat.exe1⤵
- Suspicious use of WriteProcessMemory
PID:5088 -
\??\c:\Windows\System32\cmstp.exe"c:\Windows\System32\cmstp.exe" /au c:\windows\temp\ikPFpBYBOWOOLZzH.inf2⤵PID:868
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\??\c:\Windows\System32\cmstp.exe"c:\Windows\System32\cmstp.exe" /au c:\windows\temp\itgjGuoVqSQ8QNv5.inf2⤵PID:696
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C:\Windows\system32\config\systemprofile\AppData\Roaming\defender.exeC:\Windows\system32\config\systemprofile\AppData\Roaming\defender.exe1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1288 -
\??\c:\Windows\System32\cmstp.exe"c:\Windows\System32\cmstp.exe" /au c:\windows\temp\wJOD2QY8PZaEw92q.inf2⤵PID:3420
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\??\c:\Windows\System32\cmstp.exe"c:\Windows\System32\cmstp.exe" /au c:\windows\temp\xbWwcEcdoZn1XsLX.inf2⤵PID:4264
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Network
MITRE ATT&CK Enterprise v16
Execution
Scheduled Task/Job
1Scheduled Task
1System Services
1Service Execution
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\torproject\Arti\cache\dir.sqlite3
- Size 64KB
- SHA256 91670e5d7ac658396db97be8cfe77dda09da6539bd0d69bb9188c5801d67c44a
- MD5 6c8743d165c64e1b0f892000732273ea
- SHA1 cf7c7fcbed71505bfded062eab734638fb5d3735
- SHA512 8939c80988ed5d0e06a921dafb39e236b8ab2819aabea8a17c5ff630661b6163796b75c57c0007ab637313449a90c364486842a249538b9fa095263c745edaff
- SSDEEP 48:T/t5cvCs4TbF3Kl31rMNuDsMHNBjEu5596YQ7IRcFJVNw1kV/v74CI:Bj7HFaPQN67NrbgYQLb/tUCI
- TLSH T1EE53DB9F5FA83220C8A001B3ADD15C63293C875F4B53BDE071E840C5EFCA9696078CE8
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\torproject\Arti\cache\dir.sqlite3
- Size 100KB
- SHA256 d631e04e60fd5587b46cfc79623a2280e227cc97f5081efcdf6b8cdc3dc917c6
- MD5 cb0e9938b1c8e34cfb05404dbc4c1b15
- SHA1 bfbfa45f140c5787ed9722364d26e27b03d1c2ed
- SHA512 2ecbc17f52ec6e09f0991349bd4a7b906b8a0888561f254389df8a1f40980b253834d447a4360481fd54e52ecb01bd1068dc795db00a75973f2c67ba80f0ad0a
- SSDEEP 768:S3ZAXO0BuRfhZgDs9kZux1b2M/tpEuv2bwygK:SqXOuuNhZgDsJrELkygK
- TLSH T148A37D6A0E643DF4C056C235EC9B16CAEF34536F17E6388032E0209BFF4395A966E579
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\torproject\Arti\cache\dir_blobs\con_microdesc_sha3-256-0e821c4310fc3aa9b648832113fc9b15815ffedeb8afc4e24e31fe6ef2816312
- Size 3.4MB
- SHA256 2ea998b398ce6d99df64f646aa053c4f11fba1171544e7773fc6835baf718cea
- MD5 9d7902be66836facf655552dfde300a8
- SHA1 3df54d088fbf8cb85487945df3a176e623448dbe
- SHA512 5f3a9c8b9a21d621880baa6a3af4641104698e3e3959dd868cf364747c2806cb1771e2ad635363ab5dc549510b1b275ec327bc752ef71963b2e4ddd9547f956a
- SSDEEP 12288:CmVPWvZsOeWYIvb6SjbNk44UP9MeODyBODOHvtDP6KrhuGICYTakhVaY+ZDowTDE:kvyOeRMpkxa9qnOVDP68uGM2kDI+jn7h
- TLSH T189F554EA97124EEED22609DBE510FB7BF33F2725C2486B94296F8CFA7205091751093D
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\torproject\Arti\data\state\circuit_timeouts.json
- Size 451B
- SHA256 795ec3e3ddd233b66c1d24775e762f57d67e66afc878e565ff2dd8cedd948426
- MD5 d8ad9f1cdd669a97b70b007d74a3ffdb
- SHA1 e6431b20bc7e3627cb749be68c5a1707055aa77c
- SHA512 67254670c840e2b5cf6a82909655b8ba41f2d89e2286019796f036283289e5011bb9acb585527e3fe75e415557e507bc5d7509d125182cd8f1012d04389a532a
- TLSH T118F0FE12800A029558888734902CC38E9508D9433C7D7F44363E0E442F7F11C0FBD028
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\torproject\Arti\data\state\circuit_timeouts.json
- Size 65B
- SHA256 9dbe12675e515f32f07aea11cc9f8bea69b3f143b3d825d98ca1ef41b2988ee7
- MD5 b2b738c82cdfbf56440274e03a50c9f8
- SHA1 5c1a0274017a666f069980c3c5a6220026cd3336
- SHA512 d4c9dbca06de019b7ea2519e24ad603d6283c3f0aa7f9d97b9b014861f54d9cfb4f6a295b48d6bf69f2ee122668709df175afcf8f90b0e7e67a3e643f28e84e8
- TLSH T103A02220C0A200B3E0C023300222C3C88F20EF0232A23208300F0C0C02883A8033A222
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\torproject\Arti\data\state\guards.json
- Size 9KB
- SHA256 df2fb28aa18f373acca0d6a7b514e33c80408aece979da1cf3613223ba3da1a3
- MD5 2713bdd8066fe21623993bb406be16bb
- SHA1 4b3390f7bd087b76a960545b78c4f0a4a6ef1120
- SHA512 02fb53f7b9adb1f7a8150cc22781b3431ee2a8d3c1cd272e44ddb794e7af7afa0c205dfa3e17a3d8a84f367e33322f8b06903a5eaa716ce5646b5ca260011ac3
- SSDEEP 192:ZH3HA9H+VHyTAHJZHnfHiH1sHujLnHyH83oHNHWHEiHKH5HfHBu2HMHuU2:ZXg9eVScXHfC6O/Sc3ot2/qZ/U2si
- TLSH T1BA229D55CC762C8316DD963D846652C2D325A24B7E6E3C143F5E568C0F0D1AD0B3ABAF
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\torproject\Arti\data\state\guards.json
- Size 121B
- SHA256 a2c2287ea6aa4ba07c2c1ab66268828c011a5d9cacef6dba1179a6bd196c2c3d
- MD5 bd45eb55dc8a46aa313e7f68dd9cf953
- SHA1 c6b7653ca38370cd639678a925802d1cd8a282eb
- SHA512 058ffd60fa2aa2ab14022c0628d72a47440ad99bdfc82f8e6a4e303febde74514bda8e3064c015f57c63760462ca1193ee858040ce85cf8182d638d888e9cb71
- TLSH T1C3B09276A87B4C1611C0562A88382283E30128F3658CBC2E34CF450C0B4D0349DB5188
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Roaming\defender.exe
- Size 6.2MB
- SHA256 1bc8e3775f9c71c87c94999a648f1f377c50a1aff979f51c6bc96c2d31576345
- MD5 e487c3bf87196e9b3ec9e656bed06197
- SHA1 9792ed8a9cf98266a1dcc8ade30dc123b3b08656
- SHA512 d19c3b98dbc80fcad499ba11438a53feb1eb2fc14a47e0c870057f77b7bad019e3d11979d078aa02c8657b3e34ce2128d529cd6a47bb04e090a48678210ac489
- SSDEEP 49152:SQLFnB3N4W4ROFkoVFuPQCQpINjWEFFIdjEfii7nbb+KnCDBzNH5diEs3k9quZnt:FF0fOJralAGbeljs0Jw05ZR+bD
- TLSH T14D665A03F2A581E8C0AEC174835AA733FA32B8895535B65F5BE0CB212F25F509F1E759
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path \??\c:\windows\temp\3STfexVrfPg4kJqY.inf
- Size 671B
- SHA256 e055e3fa9cd24b91221a5b8a8f890de5a111bd5ee26b220d531864c130d266d8
- MD5 66283966d07f70a9ce3357c0f696ab3c
- SHA1 fd37f8d189026118fbc17763e84eea5116a238e7
- SHA512 229132f3ed4f6ac125de754f412bfbf5ef96864508f9876fb1dc4d4b4456352d30d5e63375ddd9034ad944cfacb6233a2e878e120906a384cbd9bec745729a31
- TLSH T10601281C0CBBB002681A7710559705A0DFB2510436D15600F6F5DD141A7FB4F41CF36F
- MD5 SHA1 SHA512 TLSH
- Path \??\c:\windows\temp\4ToSAwHBfmRlrI0m.inf
- Size 606B
- SHA256 335cb3c398f27c39abb5002596bc5189cabb5282ccf8ceda50dc8ca7dd4ea96b
- MD5 2a7592f3d093dd5ac173461786634a2d
- SHA1 256f9221e9d1393ab928dd28677be5f6382708d4
- SHA512 a8ba906ce4d32add222f6551ee6ac2fbd504ae221b7c81a9d66163fd25ac8a57e9c74c98657e8ff7bc297765c6d76a914f5609a4a954d61fefbef543c58695ac
- TLSH T190F0020C0CBF6002691A272029AB05609BF3420035845600F6F5AC102A7E74D82CF32F
- MD5 SHA1 SHA512 TLSH
- Path \??\c:\windows\temp\wJOD2QY8PZaEw92q.inf
- Size 632B
- SHA256 0ec08cda0760d14a3bc3d0cf818876fd90ac27066d86cd2c7fe6a606a5acf761
- MD5 fa7aa1006b01db5066d6724abf201a82
- SHA1 8d797d45977255a57570b49663dd380e522025ab
- SHA512 25caab247e6290634ff122ef9b7c358e4f1ddd1cd2b074fd159bcccfe0da9c99721a7b0572db2ddfe1acd0fde370b06e57fc97096af318b0b2e70a68a416b36a
- TLSH T1EFF0DD0C0DBF6052692A6B20659B0A60AFB6A21135804600B5F5AC652A6E74E839BB7F
- MD5 SHA1 SHA512 TLSH