General
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Target
BruxWare Exec.rar
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Size
1.0MB
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MD5
55e88ccfc55fd5d7c28abe738d4a4ba4
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SHA1
200f71547676c5e812856d52853007f389e4c940
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SHA256
3146f85cf3842a7eb551d82c6f6ff16c4c7b9ac556d811ef6706cdb11975ff64
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SHA512
49dd91f205586042d4171900607e9b9a7f5c356aa992b482c656269a2a2b0d30ef34f015118375733f2e78eceb60574953942ec55e64d36a53ae00c20a5e2638
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SSDEEP
24576:dB0c9pjbp14NUZqEqrN9532WGqfgLUSJJZ71uA7ceGjBCbJn7wzfK:dBzXpW6ZJqJn3ZG/USPB8ArGwN7qi
Malware Config
Extracted
quasar
1.4.1
Office04
192.168.1.7:4782
e1a96595-1db6-442a-ae05-b00904a92f68
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encryption_key
A289A5694D0AB3E82D9E70A7CB73065E9E325CBB
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install_name
BruxWare.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 static1/unpack001/BruxWare Exec/BruxWare.exe family_quasar -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/BruxWare Exec/BruxWare.exe
Files
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BruxWare Exec.rar.rar
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BruxWare Exec/BruxWare.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