Behavioral task
behavioral1
Sample
1839c6634e34e874a7b71b2601229ec69d3bbefbed652bff51596c7d212541c9.exe
Resource
win7-20231215-en
General
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Target
1839c6634e34e874a7b71b2601229ec69d3bbefbed652bff51596c7d212541c9
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Size
3.1MB
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MD5
946c9486e05a425d72306f00c1cdb973
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SHA1
fd39eab29afcd8a57d9e29c576607b21f4f8251c
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SHA256
1839c6634e34e874a7b71b2601229ec69d3bbefbed652bff51596c7d212541c9
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SHA512
c7d6cf92c6c3314ae6f4ab22f65f2fe95f44af5acb116c3765cba6caf976c853f100113cdadce75f392e7a06c53ffd14143057d95bd340fb6939245f3cc19bda
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SSDEEP
49152:CvOI22SsaNYfdPBldt698dBcjHDdGrdMfHLoGdETHHB72eh2NT:Cvj22SsaNYfdPBldt6+dBcjHDdGrA
Malware Config
Extracted
quasar
1.4.1
Office04
192.168.0.106:8111
87f23ae3-17d3-431d-bda5-307b65d46d77
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encryption_key
D912B92DAFB4D0C9D52F85801E609319CA9564F2
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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 1839c6634e34e874a7b71b2601229ec69d3bbefbed652bff51596c7d212541c9
Files
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1839c6634e34e874a7b71b2601229ec69d3bbefbed652bff51596c7d212541c9.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