General
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Target
Client-built.exe
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Size
3.1MB
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MD5
b8b519ab0646eb3c7a82dc92ebd63706
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SHA1
06f24eea20d4a0f5b755d4cb66a626f81ff1728a
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SHA256
3133931b0adc315c702124af0460f6f9974d08c79a4bb8aff25c7332183593cf
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SHA512
b41395127ee744fe7280a2e84549ba2c5779dcce8c8cf79ad8e6fc6ae2807bee25188c629c64105ce36b3a7513af2af8f61958eddeee08e01aff4440157bbdbe
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SSDEEP
49152:zv3I22SsaNYfdPBldt698dBcjHRJh9tIoGd2THHB72eh2NT:zv422SsaNYfdPBldt6+dBcjHRJh9C
Malware Config
Extracted
quasar
1.4.1
Ware
us4.localto.net:5350:5350
us4.localto.net:5350
d068bdf8-484c-4036-9769-016b8624d5f6
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encryption_key
ACE3159D5FB0F49A2A343EBEDE48A75BFEB0990B
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install_name
Client.exe
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log_directory
DiscordLogs
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reconnect_delay
3000
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startup_key
Discord
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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-built.exe
Files
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Client-built.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