Behavioral task
behavioral1
Sample
Client-built.exe
Resource
win7-20231215-en
General
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Target
Client-built.exe.1
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Size
3.1MB
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MD5
2eac18132d5a2d8a22f13f0501614217
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SHA1
9f245f4eeebe6453bd0cb20cac7816be6a3fd2f2
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SHA256
d8538711014fff7a8fbe116e2ed843f03497976641d52e949b1c922496f5f52f
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SHA512
8041db333b0629bb37f8fe44a9ee0136fdc9bce0acd1e57ebef7a6537398c421dd6a57815d29e0ca529f77684a1e632a64b63ef4804016db2289f47ec73803ae
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SSDEEP
49152:7vRG42pda6D+/PjlLOlg6yQipVTwtKjJoLoGXBJTHHB72eh2NT:7vg42pda6D+/PjlLOlZyQipVTwt5
Malware Config
Extracted
quasar
1.4.1
myquas2
totallylegit.duckdns.org:8888
216.238.78.129:8888
caa293c4-4d09-4239-87ae-8e10f33f71f3
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encryption_key
D93687C0D77BAB971E7CA0A8526CEA34999D39E3
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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 Client-built.exe.1
Files
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Client-built.exe.1.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