General
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Target
SolaraV4.bat
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Size
409KB
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MD5
1756c72ad44f7cb286d10cb4e4f0c6d4
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SHA1
6aa2e27a63451122e0d6a56f0ed0ff09c434120a
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SHA256
a10252bd3893a0867b344e1d8ccc65c87ae0761087206540e808354c1a0f7ee2
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SHA512
53f70d894d327021fa62ad7e8ede3f1349dc5cf5b6ca8ab145288c9f88b9a7fa9ce7eb474d8738d1e98708e23e5fd49239f44324603e52d837d0a10e39f48317
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SSDEEP
12288:jpQl4QR/ukgL4oH4nN6XISMOSNawOfZns:9mDR/li4NtSyNaq
Malware Config
Extracted
quasar
3.1.5
SeroXen
127.0.0.1:4782
browser-julia.gl.at.ply.gg:54488
$Sxr-GV6wZsGZZMeZ3qfenc
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encryption_key
7SGb4NAInlAJP5dhKGs7
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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 SolaraV4.bat
Files
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SolaraV4.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