Analysis
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max time kernel
135s -
max time network
141s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
25-10-2024 07:56
General
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Target
Client-built.exe
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Size
3.1MB
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MD5
e66da355fd3824d7cb83a1460ccdf7ff
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SHA1
e5c00c3fcb2703b7e71e6a39bb6b3fff0d60c938
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SHA256
b99db344c7736d6670081a4aa48a62b2ea3566b2e665413c5c0fbbcf43f8c9ca
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SHA512
411a983f86bd1eb28326bbe03fdf76146c7acf813051876f00474bc96725d5fae4bc59b527c3ce80a39f9146ad6c4dfee18adc5056ab8ac80e57e4e27fbae856
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SSDEEP
49152:KvTI22SsaNYfdPBldt698dBcjH5i5PkoGd9THHB72eh2NT:Kvs22SsaNYfdPBldt6+dBcjH5i5c
Malware Config
Extracted
quasar
1.4.1
Office04
192.168.1.103:4782
f71d790f-faf7-4074-a415-aa94634f9a9b
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encryption_key
9D377AC0024B5DFCC6111678695ABD8EBAF41CD8
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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 RAT
Quasar is an open source Remote Access Tool.
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Quasar payload 2 IoCs
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Executes dropped EXE 1 IoCs
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Suspicious use of AdjustPrivilegeToken 2 IoCs
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Suspicious use of WriteProcessMemory 2 IoCs
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
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C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
3.1MB
MD5e66da355fd3824d7cb83a1460ccdf7ff
SHA1e5c00c3fcb2703b7e71e6a39bb6b3fff0d60c938
SHA256b99db344c7736d6670081a4aa48a62b2ea3566b2e665413c5c0fbbcf43f8c9ca
SHA512411a983f86bd1eb28326bbe03fdf76146c7acf813051876f00474bc96725d5fae4bc59b527c3ce80a39f9146ad6c4dfee18adc5056ab8ac80e57e4e27fbae856
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Filesize
10.8MB
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Filesize
10.8MB
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Filesize
320KB
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Filesize
712KB
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Filesize
10.8MB
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Filesize
8KB
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Filesize
3.1MB
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Filesize
10.8MB
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Filesize
10.8MB