Behavioral task
behavioral1
Sample
Stub_7702.exe
Resource
win7-20240704-en
General
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Target
Stub_7702.exe
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Size
3.2MB
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MD5
0116e4feaf51d90715ddcbbb5c8cd6b9
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SHA1
f5fdbb5c0b0a43361446ab10fcc0a6dd5cd4c180
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SHA256
92a48867f095c118be10144e954b9e35f92311e19168b62cad35c6e64ee4b060
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SHA512
9ba4d66a5d38c6b6289ca6a743b5c01d112fc7b266239790d080fba933d297e1388c2c8d90b66209f3784c12a6b4353b8448d0222cfbec4e0dd99cbe490960ed
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SSDEEP
49152:UgIFvQi4oVXM1egC0adkSrtTRmqaRNtWwyxS6faUz09rXQOcO3r2hdEpRMOJ8qvS:UgIFvd433r2h2pGOJ8O
Malware Config
Extracted
quasar
1.4.1
Test
147.185.221.22:13676
aaf4767c-dd88-4c3f-9683-69a87558c907
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encryption_key
9E968F05BD874BA1BE086FD1774A027473823F49
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install_name
Windows Host Process.exe
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log_directory
Windows-Logs
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reconnect_delay
3000
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startup_key
Windows Host Process
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subdirectory
Jerk
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 Stub_7702.exe
Files
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Stub_7702.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: 3.2MB - Virtual size: 3.2MB
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