Resubmissions
01-05-2024 20:18
240501-y3le1shh89 10General
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Target
Client-built.exe
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Size
3.1MB
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MD5
3bd6bf06bc9f2aba78d213c57c77c140
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SHA1
55f05c794c01e0f799896f1d5054406f217f7b3a
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SHA256
3b9ee5e6fb637707a6b3e9e7368a7526858e65211fc435b1b7305e0b020c145e
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SHA512
fe3ef6e5878e0372c52129c79cec9ff438ea8c556de36d74f773591b41a55703f49c946a42e0eb6505468d9176eb74268f589710207fcb9861287c628af6f2c5
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SSDEEP
49152:Sv0lL26AaNeWgPhlmVqvMQ7XSK0CR1J62oGd9THHB72eh2NT:SvUL26AaNeWgPhlmVqkQ7XSK0Cv
Malware Config
Extracted
quasar
1.4.1
SeroXen (real)
series-pencil.gl.at.ply.gg:59416
611a9904-d30b-4e85-814d-180ff05ceafa
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encryption_key
77B972BEE3F2C17A183AD106C8F8A1CFD8E24211
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install_name
Run.exe
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log_directory
$77-Logs
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reconnect_delay
3000
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startup_key
Windows Security
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subdirectory
$77-Aetherium
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