Analysis
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max time kernel
148s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20240611-en -
resource tags
arch:x64arch:x86image:win11-20240611-enlocale:en-usos:windows11-21h2-x64system -
submitted
23-06-2024 22:32
Behavioral task
behavioral1
Sample
c1dd6ce8d69876282a88739c537d5a2369a19c4b6cf360af5983c12c9dc3f2d6.exe
Resource
win10v2004-20240611-en
General
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Target
c1dd6ce8d69876282a88739c537d5a2369a19c4b6cf360af5983c12c9dc3f2d6.exe
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Size
3.1MB
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MD5
3053a2a43ba2fbc6e3e3ecbecde806d1
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SHA1
6ae60c2879ebe69ac40d149ed5a608250d022dce
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SHA256
c1dd6ce8d69876282a88739c537d5a2369a19c4b6cf360af5983c12c9dc3f2d6
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SHA512
b9e90616bde8da38d055a510f18f41da9b3f4a64d1b59e4f27af889496edb86c1467273a721ceb6e1c65d9410db523755f5ba7422016bcada2335a8b6038044e
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SSDEEP
49152:zvbI22SsaNYfdPBldt698dBcjHsHxNESExk/iLLoGdNTHHB72eh2NT:zvk22SsaNYfdPBldt6+dBcjH0xQX
Malware Config
Extracted
quasar
1.4.1
Office04
10.109.9.184:4782
1916cb83-b99a-4ecb-a054-4e009de2edc6
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encryption_key
CE28057C20C1DED27F22AD4254F5C2C5464D46B3
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install_name
Client.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
Quasar Client Startup
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subdirectory
SubDir
Signatures
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Quasar payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/768-1-0x0000000000190000-0x00000000004B4000-memory.dmp family_quasar -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
c1dd6ce8d69876282a88739c537d5a2369a19c4b6cf360af5983c12c9dc3f2d6.exedescription pid process Token: SeDebugPrivilege 768 c1dd6ce8d69876282a88739c537d5a2369a19c4b6cf360af5983c12c9dc3f2d6.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
c1dd6ce8d69876282a88739c537d5a2369a19c4b6cf360af5983c12c9dc3f2d6.exepid process 768 c1dd6ce8d69876282a88739c537d5a2369a19c4b6cf360af5983c12c9dc3f2d6.exe -
Suspicious use of SendNotifyMessage 1 IoCs
Processes:
c1dd6ce8d69876282a88739c537d5a2369a19c4b6cf360af5983c12c9dc3f2d6.exepid process 768 c1dd6ce8d69876282a88739c537d5a2369a19c4b6cf360af5983c12c9dc3f2d6.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\c1dd6ce8d69876282a88739c537d5a2369a19c4b6cf360af5983c12c9dc3f2d6.exe"C:\Users\Admin\AppData\Local\Temp\c1dd6ce8d69876282a88739c537d5a2369a19c4b6cf360af5983c12c9dc3f2d6.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
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Downloads
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memory/768-0-0x00007FFB248F3000-0x00007FFB248F5000-memory.dmpFilesize
8KB
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memory/768-1-0x0000000000190000-0x00000000004B4000-memory.dmpFilesize
3.1MB
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memory/768-2-0x00007FFB248F0000-0x00007FFB253B2000-memory.dmpFilesize
10.8MB
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memory/768-3-0x000000001BB10000-0x000000001BB60000-memory.dmpFilesize
320KB
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memory/768-4-0x000000001BC20000-0x000000001BCD2000-memory.dmpFilesize
712KB
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memory/768-5-0x00007FFB248F3000-0x00007FFB248F5000-memory.dmpFilesize
8KB
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memory/768-6-0x00007FFB248F0000-0x00007FFB253B2000-memory.dmpFilesize
10.8MB