Behavioral task
behavioral1
Sample
e239b94abea0865e20ffa64cbfb92ad6e8e6cfa27a8e76cbf6296249bc9a400c.exe
Resource
win10v2004-20231222-en
General
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Target
e239b94abea0865e20ffa64cbfb92ad6e8e6cfa27a8e76cbf6296249bc9a400c
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Size
3.1MB
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MD5
caf393a71a77029af657ffb94891c7ad
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SHA1
50396e69b69eaed5bace7e7ee78c0e800ccd3bd8
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SHA256
e239b94abea0865e20ffa64cbfb92ad6e8e6cfa27a8e76cbf6296249bc9a400c
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SHA512
6e1902715cbe8e4361d78a456ed0a0e9f4b006fa0da26c2772831f90ef2b0cf54fb9e28693267a897da79db08d5210eb3610dc0d3f2344e474406a20a0a3ed1f
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SSDEEP
49152:6vUt62XlaSFNWPjljiFa2RoUYINbRJ6bbR3LoGdwTHHB72eh2NT:6vI62XlaSFNWPjljiFXRoUYINbRJ6t
Malware Config
Extracted
quasar
1.4.1
test1
192.168.7.1:4782
7081b1dc-8e40-425a-b35c-eefe4118ec89
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encryption_key
A325F4C7D792609E547B8E6F270377A451246134
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install_name
Client.exe
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log_directory
Logs
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reconnect_delay
2000
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startup_key
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 e239b94abea0865e20ffa64cbfb92ad6e8e6cfa27a8e76cbf6296249bc9a400c
Files
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e239b94abea0865e20ffa64cbfb92ad6e8e6cfa27a8e76cbf6296249bc9a400c.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