Behavioral task
behavioral1
Sample
Client-built.exe
Resource
win7-20230220-en
General
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Target
Client-built.exe
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Size
3.1MB
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MD5
21c687309d44259a119b6695bfa7dac8
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SHA1
38601325c8496a4d7d1755874afaa67904a32a00
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SHA256
e3dc423684976ae02183ff7156153303f75d3961decb3215213faa46d0926c69
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SHA512
747eb3047e4695848f80ef9bb28ef6b5249000dd7d834c24c09f30b8e95d94c564176bf6997fb2a669c00ece6ee5d053bdea7326ac5a296862ac170b63a19015
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SSDEEP
49152:KvZI22SsaNYfdPBldt698dBcjHzCK1Jo/oGdOuTHHB72eh2NT:Kva22SsaNYfdPBldt6+dBcjHzCj
Malware Config
Extracted
quasar
1.4.1
Office04
192.168.174.129:4782
6f32bc27-b82b-47fa-bc73-4e37baf4a613
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encryption_key
C7F72574BAC4D21027038342CF35587A52994C47
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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
Files
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Client-built.exe.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: 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