General
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Target
Client-built.cgcgfc exe.exe
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Size
3.1MB
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MD5
9223ab0ca4806bf3dd04028102f419f6
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SHA1
328c1c84dbd3f86dbb73d685fadd73ff5b9b3ed8
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SHA256
4af60d406e55a778908d791016f1afc14b6b72253197328264e4939eddcb7d68
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SHA512
ad0f6f573e885ca9c382cb1fdc86963373c4fc27f4c09a572aed4e6a22bfa4db34c2e987ff4afa999f2cfb024039f9d08911b6cb0089eb14d92ca8fbe366d771
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SSDEEP
49152:yv0t62XlaSFNWPjljiFa2RoUYIARk81JHGoGd2THHB72eh2NT:yvo62XlaSFNWPjljiFXRoUYIARkJ
Malware Config
Extracted
quasar
1.4.1
Office04
/0.tcp.eu.ngrok.io:12165
fbfe2df1-f4ca-4d07-920f-4075f27bc8a1
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encryption_key
B22432E943AA88394E5F97387369DCA7D8B67608
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install_name
Client.exe
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log_directory
Logs
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reconnect_delay
1
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startup_key
system 32
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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.cgcgfc exe.exe
Files
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Client-built.cgcgfc exe.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