Analysis Overview
SHA256
375f99f85beb8bc69029429b3c5317543957ffa7ba559da6fd4b930ce48bfc7c
Threat Level: Known bad
The file index.exe was found to be: Known bad.
Malicious Activity Summary
Quasar RAT
Quasar payload
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2024-06-27 22:10
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-27 22:10
Reported
2024-06-27 22:13
Platform
win10v2004-20240508-en
Max time kernel
146s
Max time network
152s
Command Line
Signatures
Quasar RAT
Quasar payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: 33 | N/A | C:\Windows\system32\AUDIODG.EXE | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\system32\AUDIODG.EXE | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\index.exe
"C:\Users\Admin\AppData\Local\Temp\index.exe"
C:\Windows\system32\cmd.exe
cmd.exe /C call powershell -E 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
C:\Windows\system32\cmd.exe
cmd.exe /C call C:\Users\Admin\AppData\Local\Temp\89435a09aea852638faa0bf902e7b347.bat
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell -E 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
C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x3c8 0x2f8
C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\thdpe5bx\thdpe5bx.cmdline"
C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES565D.tmp" "c:\Users\Admin\AppData\Local\Temp\thdpe5bx\CSC4EA3441965E94BA4867650D99A4F26.TMP"
Network
Files
C:\Users\Admin\AppData\Local\Temp\89435a09aea852638faa0bf902e7b347.bat
| MD5 | ef652484dc356b0bc87741f24f2ade24 |
| SHA1 | f988ef8700c1ed15fa42f9a5756471d6bc18c9c8 |
| SHA256 | e5e973ff9fe9b009638fc6f8e3b10ca9acad76d2c6cf887f82b018e5a39aa225 |
| SHA512 | fae5a830fc64a0599686368ca0d3826e4ada1ec383f6faae19054d61bee285442b7471c8f18faf4d378ea025128cab974c50a0cd8f8daf892c6107d812662fec |
memory/1384-3-0x00007FFE444A3000-0x00007FFE444A5000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_zhvywkyq.gws.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/1384-13-0x0000019DB3E90000-0x0000019DB3EB2000-memory.dmp
memory/1384-14-0x00007FFE444A0000-0x00007FFE44F61000-memory.dmp
memory/1384-15-0x00007FFE444A0000-0x00007FFE44F61000-memory.dmp
\??\c:\Users\Admin\AppData\Local\Temp\thdpe5bx\thdpe5bx.cmdline
| MD5 | 815c2c17e786f87db904b9b8d160419f |
| SHA1 | bb9f24061b86fa32b7974fd0ba8a74611164701d |
| SHA256 | b3e7c09dcb9ccd523b86f47b0b466764318a4cf623dc6cf12558817c32804d06 |
| SHA512 | 78dd6c8a831bce184d407cc4f081f1666a0b411aa176c910cfc55d1f7cbb491936ee69fadc7c8f4449388c2269d734edd63f5d7a1f52ac4df6cb3cd3f06f9eb2 |
\??\c:\Users\Admin\AppData\Local\Temp\thdpe5bx\thdpe5bx.0.cs
| MD5 | 3d57f8f44297464baafa6aeecd3bf4bc |
| SHA1 | f370b4b9f8dba01fbcad979bd663d341f358a509 |
| SHA256 | 415199eec01052503978381a4f88f4cd970b441fedce519905990ed8b629b0f1 |
| SHA512 | 4052dd65ca0a505a36c7c344671afcadb8f82cc24b0d1d8362f61565f9d37782e00332908444f6a95286dd1785d074762b27c20be1f361eec67807fad052d798 |
\??\c:\Users\Admin\AppData\Local\Temp\thdpe5bx\CSC4EA3441965E94BA4867650D99A4F26.TMP
| MD5 | 7e359fb9a164de91e956fe50dcf92cae |
| SHA1 | ed13de2b88fd068d7a8fd36fd466e9adc1fd243a |
| SHA256 | d827197738109e557bcfde8f5bbb9f91b2301d6e240d17d526d0a5b10c298a76 |
| SHA512 | e1b7fa84ad99e14e0830ec719ece1d8c4abac161ac137912602b8b72339bf9ea136266fb859008df4b7d9e4d1ca64ef28a4a25ba3f5f07d864cd4cb9a1e2a46f |
C:\Users\Admin\AppData\Local\Temp\RES565D.tmp
| MD5 | 36565a49aa86928a0a7589e01bde7694 |
| SHA1 | f6f7c6b23db487402b0111af6b363a5b60d6bc1c |
| SHA256 | cdf0f82ac2165dff9f754e37310113484b1e29174dbcdfaf036824e1f238d8c0 |
| SHA512 | 6457ca32510b0eae3e41ef03ad60c4ded5d7fba55a3bf5ba78731b03c3ae0938c1b74297dea4e7f906491b453bfc09d07c6e0d598974d83818628f776deb8d35 |
memory/1384-28-0x0000019D9B810000-0x0000019D9B818000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\thdpe5bx\thdpe5bx.dll
| MD5 | d3fcdaa6ffaf5b90570cd504f36f2c3a |
| SHA1 | c5d86291b33d001d559712e5c72db37ee8c380d3 |
| SHA256 | a66587cbdd50e89cd222b4ffdeab17ee6b99f5a8dc7948c05c6199ac734e96ab |
| SHA512 | ae7d9afbc88453aa1701475a2cb2a961cf68193f7f8be0ceb62215f85500b1b5f537a2536efac2fceb217350b9fd55f109a317c64046bfd54608d16f004df9c9 |
memory/1384-32-0x0000019DB3B70000-0x0000019DB3D8C000-memory.dmp
memory/1384-33-0x00007FFE444A0000-0x00007FFE44F61000-memory.dmp