General
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Target
Client-built.exe
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Size
3.1MB
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MD5
cb71a47fda537f7593c9062363bd5492
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SHA1
ea96997da81ec7546e3c7da1601774f6a2aac3aa
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SHA256
decdc5bbdc75f4a698e444a98d3b75d67069e571f9fa47d7142f8370974a1445
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SHA512
e81198ceecb14a9380ac703404550b8d0b5b54f10e6ebac4dfe7405e39c71096a4598363a588f8d7eb4fa3aeb5bfa5b63c386a6c426f7d999a68daa902c69490
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SSDEEP
49152:nv+lL26AaNeWgPhlmVqvMQ7XSK8hRJ6ebR3LoGdOzyTHHB72eh2NT:nvuL26AaNeWgPhlmVqkQ7XSK8hRJ6Y
Malware Config
Extracted
quasar
1.4.1
Office04
Ingrid78-20703.portmap.host:20703
e51e2b65-e963-4051-9736-67d57ed46798
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encryption_key
AEA258EF65BF1786F0F767C0BE2497ECC304C46F
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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 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