Behavioral task
behavioral1
Sample
781cdac62a589c52b2fb004eb53b262d4c2c29229cbbbd19a16d1669237ae553.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
781cdac62a589c52b2fb004eb53b262d4c2c29229cbbbd19a16d1669237ae553.exe
Resource
win10v2004-20241007-en
General
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Target
781cdac62a589c52b2fb004eb53b262d4c2c29229cbbbd19a16d1669237ae553
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Size
3.1MB
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MD5
7b168e023b1876cd9163d58f98f3b67c
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SHA1
906a5cfacd3797c603f3efe863aaedeabacb5918
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SHA256
781cdac62a589c52b2fb004eb53b262d4c2c29229cbbbd19a16d1669237ae553
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SHA512
bed18054e9fce2cdc185e4536386d042f20d98c9354e1603bb87b8747403e63bdbabfb88e72708dcdfb3468860655dcb34b237024d3395782c092dd772fec518
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SSDEEP
49152:avkt62XlaSFNWPjljiFa2RoUYIlBRJ63bR3LoGdGFTHHB72eh2NT:av462XlaSFNWPjljiFXRoUYIlBRJ6J
Malware Config
Extracted
quasar
1.4.1
RunTimeBroker
98.51.190.130:20
11bbf22e-826e-486b-b024-adbd86228a9e
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encryption_key
7A589EDBC6A581E125BF830EF0D05FC74BB75E30
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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
ctfmon
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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 781cdac62a589c52b2fb004eb53b262d4c2c29229cbbbd19a16d1669237ae553
Files
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781cdac62a589c52b2fb004eb53b262d4c2c29229cbbbd19a16d1669237ae553.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