General
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Target
Client-built.exe
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Size
3.4MB
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MD5
1253d11883f98e4f2cc096a1e4926adb
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SHA1
9a23485ddfcb511be1499a06f94d371f94ebdbcd
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SHA256
3c1d9df546bdd64ea84ef06792658e7a4670f20df47c6f1f7d7a7545489b7b12
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SHA512
b1905b3dc02d530d70d24e58e1d19bd22813cfcd4a7e7cd53d50314cd6518077171f152c6dff0d2488b5a11f5d3302a0706de496e8ba216d613d6c046142c794
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SSDEEP
49152:CvBt62XlaSFNWPjljiFa2RoUYI6axNESEIk/iQLoGdGP8THHB72eh2NT:Cvr62XlaSFNWPjljiFXRoUYIHxTu
Malware Config
Extracted
quasar
1.4.1
EmmasSub
85.23.24.170:4782
f82c7021-f558-4f6f-bbb3-fbe420c708e5
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encryption_key
4DC093FC202D016F95DCEE92AAF2874F56ACC3F2
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install_name
appidtel.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
windowsSetup
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subdirectory
SFM
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: 267KB - Virtual size: 266KB
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