Behavioral task
behavioral1
Sample
Client-rat.exe
Resource
win7-20230220-en
General
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Target
Client-rat.exe
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Size
348KB
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MD5
ec256c26130a04c9373508f4739e6873
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SHA1
e7c636bc332045559b74e64442669866cb05992a
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SHA256
498d58f134baad0c991626318b487d4c75c3134f7bd0702d49b98a996e8aaefc
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SHA512
146ba87ebdcbefdf5bb3e83ca0c8bf3882bba946059b3dcddba35bb1e51771c42387dc7c4f360f92cbe7b426b93787580046a1a1fc5aefdf8df7f4e6a2ef0599
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SSDEEP
6144:ymrqQ4i1FFiEK5hsyJJRaviTj9Tb3RbR6pN1kbEj71TaXLr3Ny:dpliv3iiTRfRbRO8bEv1Tghy
Malware Config
Extracted
quasar
1.3.0.0
Office04
revolutionhacker-58546.portmap.io:58546
QSR_MUTEX_tYdFddOewBIWzFWimD
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encryption_key
E2Ofsbhc6PAT9kePOKdw
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install_name
server rat.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 Client-rat.exe
Files
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Client-rat.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: 344KB - 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