Behavioral task
behavioral1
Sample
0972bb0ba1caff7adc92bb35f645b5e0d825fa74fb1b76ff822dce8c200ab30d.exe
Resource
win7-20240215-en
General
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Target
24e7acb706dffb37b3e682424719f5ab.bin
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Size
1.2MB
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MD5
881ec1737c2e73fdaf6eccf181e8be7b
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SHA1
cc1a2d5bfaba9859a350f7dbe6849763468ff579
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SHA256
285e04c2bb8bd46ab0ba229bb888f386c8fba38be6ab038e8f80929ff207206a
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SHA512
eb289fc238d2539cbd11bb511a1a1e51b0c3d24160dd4c1ecdf84976a62aa16341cb4b28ce8709f439ed2db49fec24a8c7fe4ca43a128f2f035aac6098cead0e
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SSDEEP
24576:XVDZ13c69hQJHFsPbwToAJB0P9sHujykKnv/muRz/fMa9RN8idM2ZS9:FlJ9hAHFYsr0P9WGyk6vxffIfYS9
Malware Config
Extracted
quasar
1.4.1
Office04
Kneegrowless-33547.portmap.host:33547
10674f25-f575-4b14-92cf-06a7073df875
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encryption_key
E5427EE2BE27EB8DFAE76384CABC8A5EBB33EB00
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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
Processes:
resource yara_rule static1/unpack001/0972bb0ba1caff7adc92bb35f645b5e0d825fa74fb1b76ff822dce8c200ab30d.exe family_quasar -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
resource unpack001/0972bb0ba1caff7adc92bb35f645b5e0d825fa74fb1b76ff822dce8c200ab30d.exe
Files
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24e7acb706dffb37b3e682424719f5ab.bin.zip
Password: infected
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0972bb0ba1caff7adc92bb35f645b5e0d825fa74fb1b76ff822dce8c200ab30d.exe.exe windows:4 windows x86 arch: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: 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