Behavioral task
behavioral1
Sample
2b128ab47295a12e90b108021afc735fbebb98c313c0098b979d6f472e420bd7.exe
Resource
win7-20230703-en
General
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Target
2b128ab47295a12e90b108021afc735fbebb98c313c0098b979d6f472e420bd7.exe
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Size
527KB
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MD5
a295050993bf161631ded523b4fa0902
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SHA1
11d29faf445f59764952b50f8a1cebd1ef5243f8
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SHA256
2b128ab47295a12e90b108021afc735fbebb98c313c0098b979d6f472e420bd7
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SHA512
637df08437319a88433ab2572af8ea9c992e183ce9ac15dceab77550048122840fe6d5257500ebd8df2611c6d82f525282b7d656b7655e2e5949afdb00a084d4
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SSDEEP
12288:0TEgdfYuxUdNzcBdx7lcym6pV2Snsfcdl:5Uwx1cnxBcym6zkcdl
Malware Config
Extracted
quasar
1.4.0
Office04
78.173.187.50:4782
6be569a3-de63-4afe-821f-a59ae80a0a02
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encryption_key
E33B6D4D8E5F4B8C8F2D0E3745DBCD85B3A2B564
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install_name
Java.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
Java Updater
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subdirectory
Java Update
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 2b128ab47295a12e90b108021afc735fbebb98c313c0098b979d6f472e420bd7.exe
Files
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2b128ab47295a12e90b108021afc735fbebb98c313c0098b979d6f472e420bd7.exe.exe 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: 498KB - Virtual size: 497KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 28KB - Virtual size: 27KB
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