General
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Target
fuegoo.exe
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Size
3.1MB
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MD5
6c42adb53394b149f5b7361e26b6e1f2
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SHA1
3fbeff6276d1145af91ea0db55612f93c9ea41b3
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SHA256
1b1b94ab940b67362b81053bc1f533246f988db580f78d993e4e0080ce798a77
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SHA512
65020f225af38e546a824ebf3cfd89647280ad1698dd41b4ff2f0356857dea13454c39ce5f2caea7f8918688cdd1fc0f558d17869fc02f1c593d08148c26c111
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SSDEEP
49152:WvyI22SsaNYfdPBldt698dBcjHXMRJ6nbR3LoGdxTHHB72eh2NT:Wvf22SsaNYfdPBldt6+dBcjHXMRJ65
Malware Config
Extracted
quasar
1.4.1
Office04
190.104.116.8:139
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 fuegoo.exe
Files
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fuegoo.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