Behavioral task
behavioral1
Sample
c328534fe8df97ccd8ff9fec54f6760f2aa9c0af3f4aa49268d83c1bbafcde19.exe
Resource
win7-20240220-en
General
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Target
c328534fe8df97ccd8ff9fec54f6760f2aa9c0af3f4aa49268d83c1bbafcde19
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Size
3.1MB
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MD5
a168c79cb0994efc2f80bd9b6f951e76
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SHA1
6481ba3c76ec8b2c29baa40dd2c21a00bb0c031f
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SHA256
c328534fe8df97ccd8ff9fec54f6760f2aa9c0af3f4aa49268d83c1bbafcde19
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SHA512
1b8062baf7d872c3b8d56d538721c6fb04e4851703dda8e38783939f87cfc05e1b27c691303fa8e684081d57abb9f2ccbfd849bc72cda9b9d1a4785ca3604a82
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SSDEEP
49152:ovtI22SsaNYfdPBldt698dBcjH631xbRkpoGdpcwJTHHB72eh2NT:ovm22SsaNYfdPBldt6+dBcjH631Uy
Malware Config
Extracted
quasar
1.4.1
Client
109.55.109.94:4782
9af07297-b3a5-4f50-bb78-b1b9252cfa10
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encryption_key
AD5756ABD65F0F63A74CD6A753331631B4A27F41
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install_name
SubDir.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
HealthSystemTray
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subdirectory
SubDir
Signatures
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Quasar family
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Quasar payload 1 IoCs
Processes:
resource yara_rule sample family_quasar -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
resource c328534fe8df97ccd8ff9fec54f6760f2aa9c0af3f4aa49268d83c1bbafcde19
Files
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c328534fe8df97ccd8ff9fec54f6760f2aa9c0af3f4aa49268d83c1bbafcde19.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