Behavioral task
behavioral1
Sample
c8277e88b37878917b46d509324a57846d58e285c3e06720a282e7bb34fd9bc0.exe
Resource
win7-20230220-en
General
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Target
46b23e41aeba2bb731b8ae3e22a7e5dc.bin
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Size
180KB
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MD5
daf5a9e5e80e359437a59d26a0396f5e
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SHA1
50f83508a5675f47be8fcb70b68a33251256a4c2
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SHA256
22042a493cfe3d9c3a5f93f9cf22aa97f65f1b53ee51863eb85fcea8b90657a2
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SHA512
1ee5a59c7e6605f07d1f752d6ff8e8d731ebf14deb3bc027872e50bdbe199b477f3d5374fcb2f1be1f116458583b5edc4e6c51ce8f59eea68f927925f51b355d
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SSDEEP
3072:6cANxZenDRTf1vWCkVBWxHR6iiKMY/KRXhzYT4mCi+S0SMfgK/zqHDHNk6oRs4Jo:6NriT9cVMRNMs6xzYT6S0jlejC6oRLpe
Malware Config
Extracted
quasar
1.3.0.0
new2
asyfguas.con-ip.com:555
QSR_MUTEX_ehHHLz4QY25Plj0Xry
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encryption_key
SF8iuyfrBbCOUe75IKlr
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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 static1/unpack001/c8277e88b37878917b46d509324a57846d58e285c3e06720a282e7bb34fd9bc0.exe family_quasar -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/c8277e88b37878917b46d509324a57846d58e285c3e06720a282e7bb34fd9bc0.exe
Files
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46b23e41aeba2bb731b8ae3e22a7e5dc.bin.zip
Password: infected
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c8277e88b37878917b46d509324a57846d58e285c3e06720a282e7bb34fd9bc0.exe.exe windows x86
Password: infected
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: 344KB - Virtual size: 344KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 2KB - 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