Behavioral task
behavioral1
Sample
1128-123-0x0000000000400000-0x000000000045E000-memory.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
1128-123-0x0000000000400000-0x000000000045E000-memory.exe
Resource
win10v2004-20240226-en
General
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Target
1128-123-0x0000000000400000-0x000000000045E000-memory.dmp
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Size
376KB
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MD5
2fb03fcf0860ce33d7696831cd0de4fc
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SHA1
ed35c6c859a2a0480899dce3db89b2ac6043114b
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SHA256
cd6e6c7a3239926530dc4105d156dad1d4bc1960075de60412d9c1824bcc876e
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SHA512
0952b59a9ba94abb2172c54c98bdc316609212111709775988fb7da032918d39601a70bfa6fc44e6a6b6a8171748e1d55574455feb9ade624a49c6b5f25bf9e3
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SSDEEP
6144:Dmwb/c2L0tsBmSAUvQbIfR42krsgYp+iEaHh:qH2LHYytm2Rgm+iEKh
Malware Config
Extracted
quasar
1.3.0.0
300
windows10-11.ddnsfree.com:5552
windows10-11.ddns.net:5552
QSR_MUTEX_EDK2mTJCIRHYLqOOOz
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encryption_key
ZTfuIwaAdGJ7DbdAS9Km
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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 1128-123-0x0000000000400000-0x000000000045E000-memory.dmp
Files
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1128-123-0x0000000000400000-0x000000000045E000-memory.dmp.exe windows:4 windows x86 arch:x86
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
Sections
.text Size: 345KB - Virtual size: 344KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 2KB - 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