Behavioral task
behavioral1
Sample
b8f6e00e0b83ae7620ba2104c644f485.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
b8f6e00e0b83ae7620ba2104c644f485.exe
Resource
win10v2004-20240226-en
General
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Target
b8f6e00e0b83ae7620ba2104c644f485
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Size
510KB
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MD5
b8f6e00e0b83ae7620ba2104c644f485
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SHA1
9f1288d7ef5309a95f723ac3067db8f920093c00
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SHA256
e8ca0270e68c2f29f8e9f6a77fe630a93b08c04573bde4956690f8943e6d10e8
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SHA512
84549e4e749fc3e3ffc7f0e8d910a9ad2cec7a70713cb3ce34fcd298ba0d8b3fa016f301def95c873e3eef2ceeb8ac8dfca2cf2af69eafdf719a1f8145199738
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SSDEEP
12288:YTEgdfYIbg7Y3nHrX4XywpopqYpsjcdX:NUwHE8ywpopRMcdX
Malware Config
Extracted
quasar
1.4.0
$ => WP SYSTEM
13.233.24.14:812
65.1.228.201:812
da26c746-e2b5-44f8-a213-93f8d07230b5
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encryption_key
2DF15225F8A9265CDE224164CB1E854581732C34
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install_name
explorer.exe
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log_directory
Logs
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reconnect_delay
1000
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startup_key
Explorer
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subdirectory
Microsoft
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 b8f6e00e0b83ae7620ba2104c644f485
Files
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b8f6e00e0b83ae7620ba2104c644f485.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: 498KB - Virtual size: 497KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 11KB - Virtual size: 10KB
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