General
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Target
Client-built.exe
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Size
3.1MB
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MD5
38156fe138e7373db14d986ee33d4ea8
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SHA1
caf166611971c6a8352b22eede79cea92aa344b8
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SHA256
dd0613d4b34cf59b2ea9a3a0a9f4ce1c02dd0601c0240f61e2b980e16c42667a
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SHA512
ebcca06582347877ff1b6da58400b3682d998d1b223eb49cc93d4da523c70dc26a1cc4f1ccb1081d7295a1b9906417b78b0d63c685bc93d9ac7db517ddc5d241
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SSDEEP
49152:SvnI22SsaNYfdPBldt698dBcjH0H4oNbRvLoGddTHHB72eh2NT:SvI22SsaNYfdPBldt6+dBcjH0Yov
Malware Config
Extracted
quasar
1.4.1
TESTIP
8.tcp.ngrok.io:15015
7a69ad86-36ff-45e8-ba4b-800fbf776712
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encryption_key
562515CBE0241F4FD48C91375ED3063F997D8AEE
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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 Client-built.exe
Files
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Client-built.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