General
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Target
Rat remove.bat
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Size
409KB
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MD5
4a9a21634ca5574ce01fa7bac0950d54
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SHA1
c29eb629cbe62c7828f16c5ad6b29ba015eb7b69
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SHA256
a003924092f4eed3281ccd3f82d95548a809a09436ee07b01b6d738a7c1f809d
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SHA512
e82f2df2f40cf8d51a85c2ee4e3fe78ff739b1581688b5107cbd8bec53a1d351ef3c16fdf4e709ad7f47afa55e5bcc4ed8de224e587f4dd873e0486b08e7325e
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SSDEEP
12288:YpiREGJFK6Fcbpdw5sI68ulIPPMQE1SQ:AwpJsb34ZPPsH
Malware Config
Extracted
quasar
3.1.5
SeroXen
147.185.221.20:47638
$Sxr-GV6wZsGZZMeZ3qfenc
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encryption_key
hwFlXMrCGoyqiQGmMvlX
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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
Windows Defender Anti-Malware Disable 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 Rat remove.bat
Files
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Rat remove.bat.exe windows:4 windows x86 arch:x86
f34d5f2d4577ed6d9ceec516c1f5a744
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
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: 405KB - Virtual size: 405KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 2KB - 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