General
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Target
SATURN.exe
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Size
3.1MB
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MD5
9caa77268d8132074a904d624dc4856c
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SHA1
c5c4e32b00d86faea028f86bd372cd2fdeba13a1
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SHA256
c069010229253f99d384c4de835f41ba275f9198800e4fcb619424e437e1307f
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SHA512
a9a004ed309355527c5ad8517cb10c3790779d071a970dc6cf4078f3e6488ef7fbbd1879a00b5c01bfecce065e527d2402c85cb4c55617c63dffa28e1ab931bf
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SSDEEP
49152:3vnI22SsaNYfdPBldt698dBcjHEQxNESEnk/iXLoGdpBnTHHB72eh2NT:3vI22SsaNYfdPBldt6+dBcjHHxO75
Malware Config
Extracted
quasar
1.4.1
Office04
172.30.192.1:4782
2443f885-d042-451a-a2fc-de737d6723a1
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encryption_key
BC6253027082850FC3ED1D2370095EE50583B588
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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 -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource SATURN.exe
Files
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SATURN.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