General
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Target
Windows Remote Access Trojan.exe
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Size
3.1MB
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MD5
2c2172ccafa055a00312e4e3a08f229a
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SHA1
1c9dd30693318258d8ffd70984cb348d755c5d97
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SHA256
19b707de920bf77466108ba32a3d4b01fe051f46173db4bbf65c9e17895d9f55
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SHA512
ceecdee4cdb348a59f7b918b7c1d641e6ac398601493d87e1c91128387664effb457256cec427f71686cda808418003c8dc01ae9b22cb6ce76338237e5213225
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SSDEEP
49152:3vyI22SsaNYfdPBldt698dBcjHlqUMrtMfl5oGdBZTHHB72eh2NT:3vf22SsaNYfdPBldt6+dBcjHlrMrw
Malware Config
Extracted
quasar
1.4.1
Office04
192.168.1.154:4782
ba502bba-c1c8-4a0b-95e6-4b1a3d5f551e
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encryption_key
7195172212FD0C3E2300AE89FC3318C365A0CFF8
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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 Windows Remote Access Trojan.exe
Files
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Windows Remote Access Trojan.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