Behavioral task
behavioral1
Sample
1448c05feb875505160c1c704b1d09a0N.exe
Resource
win7-20240708-en
General
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Target
1448c05feb875505160c1c704b1d09a0N.exe
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Size
3.1MB
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MD5
1448c05feb875505160c1c704b1d09a0
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SHA1
9d4adcb1f6d6547b0eeb853fa8efc733161946c4
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SHA256
0f1de884c0d366a8b38e72c37d5fe371795f922da5fbe02666a6d13259c83318
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SHA512
bb30cc733ed92c262aabf1e12bfe734db8230afd9b9ccad8e2713d3a9dcbbf3aa4042cbe263e91d9642251df0e06318617fd367625bebe8cabb0b10c1cf20eee
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SSDEEP
49152:bviI22SsaNYfdPBldt698dBcjH4bxNESE8k/iaLoGdJuTHHB72eh2NT:bvv22SsaNYfdPBldt6+dBcjHcxvE
Malware Config
Extracted
quasar
1.4.1
Office04
ustwo.mnt.mhnode.cn:22513
15898316-9920-4e4e-af4d-38cbffa26de2
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encryption_key
1120794142B3EA82D2AEC3FE7D29792A69E20DB5
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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 1448c05feb875505160c1c704b1d09a0N.exe
Files
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1448c05feb875505160c1c704b1d09a0N.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