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Resubmissions
09/11/2024, 04:25
241109-e14n2axfjb 10Analysis
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max time kernel
107s -
max time network
108s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
09/11/2024, 04:25
General
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Target
Client-built.exe
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Size
3.1MB
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MD5
2cf22ad073a3f0cc59fedee8bc32edf2
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SHA1
3d03e7eff59bc7bb5041e1c199f56fedcbb7353f
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SHA256
608c7d8080473c13885a7e93a251ec928bf3d8a12eba7138558076c1aa08ead6
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SHA512
6dbc265fbf649460fe39d8b4957dd4d497cf43111f824dab7a4a620100360cae2dea6abedd4645a1cc25561b3560134ca35c3c23f5634b65040fc680312555d0
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SSDEEP
49152:PvvI22SsaNYfdPBldt698dBcjHZZSt1J/loGd/qLTHHB72eh2NT:Pvg22SsaNYfdPBldt6+dBcjHZZSvvq
Malware Config
Extracted
quasar
1.4.1
Office04
193.161.193.99:1194
a25b5bbf-cc69-4b0b-a242-9d07a80705d5
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encryption_key
23DCD2457576BD8C17F35C9C4F50BF16D2C7C161
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install_name
FlipHood.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 family
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Quasar payload 2 IoCs
resource yara_rule behavioral1/memory/1612-1-0x0000000000F20000-0x0000000001244000-memory.dmp family_quasar behavioral1/files/0x0007000000023cae-6.dat family_quasar -
Executes dropped EXE 1 IoCs
pid Process 3944 FlipHood.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1612 Client-built.exe Token: SeDebugPrivilege 3944 FlipHood.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3944 FlipHood.exe -
Suspicious use of SendNotifyMessage 1 IoCs
pid Process 3944 FlipHood.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 1612 wrote to memory of 3944 1612 Client-built.exe 86 PID 1612 wrote to memory of 3944 1612 Client-built.exe 86
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
- Suspicious use of WriteProcessMemory
PID:1612 -
C:\Users\Admin\AppData\Roaming\SubDir\FlipHood.exe"C:\Users\Admin\AppData\Roaming\SubDir\FlipHood.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:3944
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
3.1MB
MD52cf22ad073a3f0cc59fedee8bc32edf2
SHA13d03e7eff59bc7bb5041e1c199f56fedcbb7353f
SHA256608c7d8080473c13885a7e93a251ec928bf3d8a12eba7138558076c1aa08ead6
SHA5126dbc265fbf649460fe39d8b4957dd4d497cf43111f824dab7a4a620100360cae2dea6abedd4645a1cc25561b3560134ca35c3c23f5634b65040fc680312555d0