Behavioral task
behavioral1
Sample
Client-built.exe
Resource
win7-20230220-en
General
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Target
Client-built.exe
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Size
2.8MB
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MD5
ae2bc99fa3d39c5ce41fc2f5daf84492
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SHA1
a2ded46cf05a9b990b18e041a2ec38b1b99a8718
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SHA256
cfba9dab9282455d194d30dad7eac6cfc5c8e5d6caf94d631ed2b01a86e3a97f
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SHA512
9616fd2a628a73bed15afc97814f4a12a3498be3d2f97a5e14a5f89160e9d5e7aae98d1314d7e2ece85ee7947ea749b3f2bfb0083bbf769f2c94a74a25401628
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SSDEEP
49152:V0quZIhnwj8O/1ERxfzWOe4ZS7jVNtYNXUfRza32ehyfTlm:V0fZIhnwj88+RxfzWOe4ZS7jVNtK
Malware Config
Extracted
quasar
1.4.0
Fsociety
fsociety-router.asuscomm.com:13370
4abe4f84-d0fa-4832-b705-2ccf4ff28cfe
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encryption_key
708FB54995DD321787A3B701157DF38D224E8701
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install_name
GzrClient.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
QZR Startup
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subdirectory
GZR
Signatures
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Quasar family
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Quasar payload 1 IoCs
resource yara_rule sample family_quasar
Files
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Client-built.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: 2.8MB - Virtual size: 2.8MB
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