General
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Target
Client-built.exe
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Size
3.1MB
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MD5
8d2777f7a9541759b2d6a4d713a5e0db
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SHA1
f99839b640dd713cde9515fe9962bb344ef65f4f
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SHA256
175d2c313c08824712c3225985c2c166b93337ccb1cf1a7dffae3b284a7f3579
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SHA512
544c55362443bf3f941319f84bae875db3ab9af29f31967a7cf2eb35aefba38e29ea2117c7dd43d7c6828cb0f37adee314aeefb7929e48a555e19138c3b15abf
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SSDEEP
49152:PvelL26AaNeWgPhlmVqvMQ7XSKUc1oLoGdATHHB72eh2NT:PvOL26AaNeWgPhlmVqkQ7XSKUc1G
Malware Config
Extracted
quasar
1.4.1
roar
fojeweb571-45302.portmap.host:45302
703bfb38-0c01-48b6-b84b-a41889e3bcdd
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encryption_key
B42CE86AEBA4D8818352F4D811EA7BBB472E229A
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install_name
windows defender.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
discord
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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 Client-built.exe
Files
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Client-built.exe.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