Behavioral task
behavioral1
Sample
Cvi.exe
Resource
win7-20240419-en
General
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Target
Cvi.exe
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Size
3.1MB
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MD5
9ef6ffefcecbe25e1faeb0803d92dba2
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SHA1
c4d14eec12f72f3e11f77e90e7f04cb336618ee7
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SHA256
986682790878908ed3e3c43793ffc7801446c6549b04dd19f119120da80bb1fe
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SHA512
dd3e27b67555084f2c2f99e4b90e9b6decb205db4594607769e173e15bc6301bc559ce28365e71f38eca31bd61f07d1e0a8477561f0194a1f7c34ae887c0e5c8
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SSDEEP
49152:Zvjt62XlaSFNWPjljiFa2RoUYI4xOEMkxk/Jx3oGdBTHHB72eh2NT:Zvx62XlaSFNWPjljiFXRoUYI4xER
Malware Config
Extracted
quasar
1.4.1
SeroXen
mr-andrea.gl.at.ply.gg:50758
164b6496-cf32-4fdd-b70d-de29665c8286
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encryption_key
A88D7FED7F655EBDC4F99C21BAE5EC62300AADC7
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install_name
$sxr-insta.exe
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log_directory
$sxr-logs
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reconnect_delay
1000
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startup_key
$sxr-mstha
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subdirectory
$sxr-start
Signatures
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Quasar family
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Quasar payload 1 IoCs
Processes:
resource yara_rule sample family_quasar -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
resource Cvi.exe
Files
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Cvi.exe.exe windows:4 windows x86 arch:x86
Password: EGJEAPOGJKEAGAEGEAHAEH
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: 7KB - Virtual size: 6KB
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