Behavioral task
behavioral1
Sample
Client-built.exe
Resource
win7-20240903-en
General
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Target
Client-built.exe
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Size
3.1MB
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MD5
3c8875bb8a38b7b3a8ae874e24461da5
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SHA1
c2cbcf60e8c3639ec777fbdd614c97a5ae854117
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SHA256
fdb43a2f99ffb4ac9cd2a2a0eeffa531de224b45f4b8cce0bd700a89f1f54e01
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SHA512
23c8975c12f5d88bbb3845b0154f3bb3ea4e24bdc98f571a3ecb61cfbbc0aa25cbbb0176d2ab990c811c1d15ff7ba1fb92a185bad2c52114e7d0fdf721009f53
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SSDEEP
49152:6vUt62XlaSFNWPjljiFa2RoUYIVa6uEBDik/SZoGd8THHB72eh2NT:6vI62XlaSFNWPjljiFXRoUYIVa6q
Malware Config
Extracted
quasar
1.4.1
kys
192.168.100.2:4444
87964754-44e1-4ed3-a66e-f8de30cfe006
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encryption_key
6B74F0C858B7E90573D4E97997F2A082B9781250
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install_name
Panel.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
Panel
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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