Behavioral task
behavioral1
Sample
4fc8b57c9d43bcbe84f7af983e69bc6acac7ba75c3dc85071f622ea0e827739e.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
4fc8b57c9d43bcbe84f7af983e69bc6acac7ba75c3dc85071f622ea0e827739e.exe
Resource
win10v2004-20241007-en
General
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Target
4fc8b57c9d43bcbe84f7af983e69bc6acac7ba75c3dc85071f622ea0e827739e.exe
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Size
3.4MB
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MD5
b67f56e12c03b65821eb83a0d64cc7f1
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SHA1
7f482ecb55a7193dc5e0003a5dd4b0e7748d6dca
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SHA256
4fc8b57c9d43bcbe84f7af983e69bc6acac7ba75c3dc85071f622ea0e827739e
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SHA512
d64f6ac83237b92869e26b3db2131b64814a3acc2106790cc0b89e769336dac4f40ae4576a93d6f6abe727eed5f5b997d6e04eec8618f8cc5155662286854118
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SSDEEP
49152:zvyI22SsaNYfdPBldt698dBcjHYXLBmzA/oGd0giTHHB72eh2NTm:zvf22SsaNYfdPBldt6+dBcjHYXL9E3
Malware Config
Extracted
quasar
1.4.1
Iwantusamo
98.51.190.130:20
de054988-dbed-49f6-834a-dda51ccd494b
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encryption_key
28DB6A992E078CF6FE82A1042CC979D37C6466CE
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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 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 4fc8b57c9d43bcbe84f7af983e69bc6acac7ba75c3dc85071f622ea0e827739e.exe
Files
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4fc8b57c9d43bcbe84f7af983e69bc6acac7ba75c3dc85071f622ea0e827739e.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: 267KB - Virtual size: 266KB
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