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Behavioral task
behavioral1
Sample
MalwareBytes.exe
Resource
win7-20240903-en
General
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Target
MalwareBytes.exe
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Size
3.1MB
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MD5
1af2519e38937542ec6eca9bd1509026
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SHA1
00f3d3e74fa6fe2e2299add76db4211de41996fa
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SHA256
9431c0edb66c91b824e87f2576c0329056838518cccea37c58f2ccecd5a78cd0
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SHA512
46289dede2688c3dadbe89087b0deab8f2def92bb9c30345d68ffae2c4a70ec84c0bd3af7c6967db3757682440744d81cd254dec804908a5d674175600bb1d33
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SSDEEP
49152:7vyI22SsaNYfdPBldt698dBcjHOKRJ6abR3LoGd2THHB72eh2NT:7vf22SsaNYfdPBldt6+dBcjHOKRJ60
Malware Config
Extracted
quasar
1.4.1
Office04
192.168.1.145:4782
9d952f82-b8b7-4948-b2b7-53c225a63ebb
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encryption_key
AAB9DCB0841C8C889A6BCA76764D0770416B2FE1
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install_name
Client.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
Quasar 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 MalwareBytes.exe
Files
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MalwareBytes.exe.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