Resubmissions
06-06-2024 13:11
240606-qe4mpaee5t 10General
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Target
Client-built.exe
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Size
3.1MB
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MD5
552f4a82d8525747ab4ee3680835d651
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SHA1
bd33e81818790261ffd54071ee285306caab0205
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SHA256
7b913b874944d79d444810166f5f4a92f21f139b7e70d686f3a5c6533205cf6f
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SHA512
e8e3dad389cf03fe147e5d400fbf15f54d20f667e6954058b33df71cdbd70f464606b00d75d8cdf0e79ab836dfc2c07e40ac7db0aea0e650e61507590d2df982
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SSDEEP
49152:ivkt62XlaSFNWPjljiFa2RoUYImD5HOkMIoGdbEmTHHB72eh2NT:iv462XlaSFNWPjljiFXRoUYImD4kn
Malware Config
Extracted
quasar
1.4.1
Office04
192.168.29.248:4782
c2cf82ff-8b43-482e-ac0f-89fa99ef5ea3
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encryption_key
FBD3E7AB215B216B27AF1C7871A614600A28DFC8
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install_name
Client.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
Explorer Files
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subdirectory
SubDir
Signatures
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Quasar family
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Quasar payload 1 IoCs
Processes:
resource yara_rule sample family_quasar -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
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