General
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Target
Loader.exe
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Size
3.1MB
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MD5
98cd04c4ac429841ac630d57a8407c6f
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SHA1
dcbde5d92c108aceca4342ca2b89157d4bd0444e
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SHA256
85b551f3f7d0b53ec30709df217d767e2358e74efae7df9bfa9e74f48ead784d
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SHA512
66f7b6c4c0cd1b1abad5f5a500b77cf7601004e269acb313381cc074b58d6a127913adf0bc4da439f5df361d0252e645ab5d6ad5378c1933a8592d1997e826b3
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SSDEEP
49152:Xv0uf2NUaNmwzPWlvdaKM7ZxTwHMxOFFmzqcoGd4QTHHB72eh2NT:Xvjf2NUaNmwzPWlvdaB7ZxTwsxOFMo
Malware Config
Extracted
quasar
1.4.1
Office04
history-foo.gl.at.ply.gg:42349
51fe5088-4e6f-43ea-a53f-ed49150587aa324254r4r3weff4f45r3ewwtrfrt
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encryption_key
CBFC5D217E55BEBDCD3A6EFA924299F76BC328D9
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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
Update
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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 Loader.exe
Files
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Loader.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