Behavioral task
behavioral1
Sample
Client-built.exe
Resource
win7-20240903-en
General
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Target
Client-built.exe
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Size
1.3MB
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MD5
f27d758795938eafdf6189c361da0f7f
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SHA1
a89bfffdf714c0e96625f87990d51cdc73024c32
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SHA256
47e7563559491fc47a1629233ae4b5756ad9d8f6c84df5ea1cb3239ddbde14bc
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SHA512
4508ac64bfce9b37ad28669538be606a23ef4223701c2f3157edc5eb4b784316bfbef1658b2f573fc309032065177785382654406b9e2305a5e4bc1db2e6d706
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SSDEEP
12288:fpuDDEs+tbGg7OQEsSE2RElxmF4wWUI7vegTdwxW+1hNZReZruzr6iOdICVJkPL:fpuDDa0YvYF49Cg+xHNZYZzi/CfkPL
Malware Config
Extracted
quasar
1.4.1
Office04
limited-instrumentation.gl.at.ply.gg:12494
21d36b6a-0e87-4f35-a36f-f666434baede
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encryption_key
AEF7C3A0243DCA719D48432AAED21D3E415FA29F
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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 Modded 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: 1.3MB - Virtual size: 1.3MB
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