Behavioral task
behavioral1
Sample
i0kg2848kgg.exe
Resource
win7-20240221-en
General
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Target
i0kg2848kgg.exe
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Size
3.1MB
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MD5
f931165b2e8b1d1d24cd36493f708d7c
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SHA1
88cb62105a1bf4e32d84723dd3caebc3882a6857
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SHA256
ed3d436f78e3058932b45efcedcae77b37f84188b93a2ce960554def5f71a799
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SHA512
f753b8e6db650883b4b5c71f8371ebebfb05a23369f995a2f1873cb9e545e003749139f49d2900d83c0522074ce0de62d175f7a7aadf5fb32ab2ea0a38de3bed
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SSDEEP
49152:+vVt62XlaSFNWPjljiFa2RoUYIU8ChemzKfoGdzRTHHB72eh2NT:+vn62XlaSFNWPjljiFXRoUYIlChwj
Malware Config
Extracted
quasar
1.4.1
Office04
5.39.43.50:3647
b215ee18-0d25-4a0d-87bf-d8bc6fe3f832
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encryption_key
27B814BF937E2D529835DABA7D5B0B82A424AB74
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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
Windows
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subdirectory
SubDir
Signatures
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Quasar family
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Quasar payload 1 IoCs
resource yara_rule sample family_quasar -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource i0kg2848kgg.exe
Files
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i0kg2848kgg.exe.exe windows:4 windows x86 arch:x86
f34d5f2d4577ed6d9ceec516c1f5a744
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
mscoree
_CorExeMain
Sections
.text Size: 3.1MB - Virtual size: 3.1MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 3KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 12B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ