Behavioral task
behavioral1
Sample
NEAS.901551f43436ee34d1776a82759e8e0ebb0ef629412699a806c75b9e938c21f6exe_JC.exe
Resource
win7-20230831-en
General
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Target
NEAS.901551f43436ee34d1776a82759e8e0ebb0ef629412699a806c75b9e938c21f6exe_JC.exe
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Size
3.1MB
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MD5
8ce7767eac028e5ebb49abf2d5cda701
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SHA1
e7d58f89ba1b43b1658e56ea547e76fdcadc5e7f
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SHA256
901551f43436ee34d1776a82759e8e0ebb0ef629412699a806c75b9e938c21f6
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SHA512
4e025eb73b6cdb0cd325744f65dd774b26c336d10705532e423f0a472acdbdcd01d2c0083bde16feab1c7ceb7082c2f8991d8de75209ac0e0ce4fe0d74aa60e0
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SSDEEP
49152:KvIt62XlaSFNWPjljiFa2RoUYIhd1SLoGdUhTHHB72eh2NT:KvE62XlaSFNWPjljiFXRoUYIhd1c
Malware Config
Extracted
quasar
1.4.1
Stryzon
163.5.215.216:4788
bcc28082-d6a5-4822-a666-ae7591874610
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encryption_key
3A40D6B91D59D02A5A9A9C51CE2621E896F45286
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install_name
update.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
update
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subdirectory
Temp
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 NEAS.901551f43436ee34d1776a82759e8e0ebb0ef629412699a806c75b9e938c21f6exe_JC.exe
Files
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NEAS.901551f43436ee34d1776a82759e8e0ebb0ef629412699a806c75b9e938c21f6exe_JC.exe.exe windows:4 windows 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