Behavioral task
behavioral1
Sample
16888128718a66611c1d86e12.exe
Resource
win7-20230703-en
General
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Target
16888128718a66611c1d86e12.datdecoded
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Size
348KB
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MD5
7834a7e88c159e7f55934c740ca39935
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SHA1
c5a4dcd4454df284e95472a972511c2488bd79ac
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SHA256
b8eda4e9e691fe7017981cea833b63299ea6b89e08f3995b630cf705a393d16b
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SHA512
2c3f4f70cb898eb6fafa60b8f55301ef4b3c1918c527bec6f8721c5146c4affef28bdabda991fdb799df78dc74d70af7d57989fb00dcb787e23a42ee851b4b7d
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SSDEEP
6144:r2NHXf500MRWfu7waMmbUIgiWebh4OIqppWH5t5BW:yd50Ku8bNOSqpgH5/BW
Malware Config
Extracted
quasar
1.3.0.0
Office04
qrss.duckdns.org:54790
QSR_MUTEX_zlSKJvcuVjgb1gOk4J
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encryption_key
vUOWxZSgsTmyyUM9Rgsw
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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 16888128718a66611c1d86e12.datdecoded
Files
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16888128718a66611c1d86e12.datdecoded.exe windows 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: 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