Behavioral task
behavioral1
Sample
svchost.exe
Resource
win10-20240404-en
Behavioral task
behavioral2
Sample
svchost.exe
Resource
win10v2004-20240802-en
General
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Target
svchost.exe
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Size
409KB
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MD5
e8d65fc5ddc235ab81a78b0caebe13c8
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SHA1
f2200ae68ba21fbbf7e854281e4ab636e3a256e3
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SHA256
41ed0732dc7032c3e345ea7dfa9522803d2b306e1ef149ebdd74f7ecfe9f17e8
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SHA512
afe6cf22e57eac8589d1e2fbf198eee75795969a5f2e81a804a2569e411a16a161d618e7edc2b816ec55b0bfba4ea9c33f017af51d6f382076c517ab7b93f30c
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SSDEEP
12288:qpiREGJMIexhVD+R5aa9vM4DRShuISW2JM:uwpJUi39vM4DRAuQ
Malware Config
Extracted
quasar
3.1.5
SeroXen | v3.1.5 |
dating-mpegs.gl.at.ply.gg:6566
$Sxr-jy6vh8CtEJL5ceZuIb
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encryption_key
M1SAZZUtbnQqZ8RvEnLb
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install_name
$sxr-powershell.exe
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log_directory
$sxr-Logs
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reconnect_delay
3000
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startup_key
Powershell
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subdirectory
$sxr-seroxen2
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 svchost.exe
Files
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svchost.exe.exe windows:4 windows x86 arch:x86
f34d5f2d4577ed6d9ceec516c1f5a744
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
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: 405KB - Virtual size: 405KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 2KB - 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