Behavioral task
behavioral1
Sample
Client-built.exe
Resource
win7-20240708-en
General
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Target
Client-built.exe
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Size
3.1MB
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MD5
c2ffbbb02faa1ff87f9e5bb3aa0c49f0
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SHA1
9e126b093bdacfaea1a7023019284236270cf4fe
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SHA256
c61b79f714a10621a13b7b07944207d005da16c42dc12d1d17ca9b947f9a5216
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SHA512
4eb466e40e67135f255c38f2866ea8d3724ca409f0e192ea76ef8eb0659ed88844d38acced34e048dea16223662c8cca971ee7e214d37f7c3c1d50589d49b6ef
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SSDEEP
49152:GvVt62XlaSFNWPjljiFa2RoUYIY3xNESESk/i8LoGdz4THHB72eh2NT:Gvn62XlaSFNWPjljiFXRoUYIUxRCD
Malware Config
Extracted
quasar
1.4.1
default
192.168.1.118:8080
b158e765-3d00-406d-83bc-646f81181723
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encryption_key
DF030CBA827BA319098E87C152C10EBA06049531
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install_name
digital.exe
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log_directory
loggies
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reconnect_delay
3000
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startup_key
Discord
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subdirectory
AP Digitals
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