General
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Target
TestforKio.exe
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Size
3.1MB
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MD5
47058cd2874396c053c1b9d90b987b99
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SHA1
9bbfa6ee0adfc5df280740906df97b4f45b611fa
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SHA256
e775b42335e7764a5bf9e695f68272c68fc68de16d20bd3b11af95632edcfc5b
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SHA512
cc3e5bfa9453880d34d33fa448fd06c2cf50608ad9dbfef59d7cbf46f76bdebc739973155fc3e365a008cd40022a1c1587b04342a95e38203625a24709ac545a
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SSDEEP
49152:fvnI22SsaNYfdPBldt698dBcjHNxDE/Ayk/JxvoGdJTHHB72eh2NT:fvI22SsaNYfdPBldt6+dBcjHNxzV
Malware Config
Extracted
quasar
1.4.1
zzzz
8.tcp.ngrok.io:18001
116e2822-047d-4b5c-ad10-563148a1a28e
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encryption_key
C366BC97216329D1909524412E3ECB1EBC575D07
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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 TestforKio.exe
Files
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TestforKio.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