Behavioral task
behavioral1
Sample
Client-built.exe
Resource
win7-20240221-en
General
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Target
Client-built.exe
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Size
3.1MB
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MD5
1a042eb9d21238cd93f8c04f4713d9ec
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SHA1
bee49a94d392843f6cec2b0f81b56c0c652c3579
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SHA256
68a11c9b5380f4651ca2c7246a43d6fa905711357c773605aefb7f7ee6e6edc8
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SHA512
7dda1d567a1624d0a66b2fa4b5c31a3f350fce2e590683f52a4a8c2a38e871bb20cbe47fca6c1c76667be25dd7da5375503c8d5a0863417f0c419e82d3b87b79
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SSDEEP
49152:OvEt62XlaSFNWPjljiFa2RoUYIgcFrqMfnZoGdxHTHHB72eh2NT:OvY62XlaSFNWPjljiFXRoUYIgcFr7B
Malware Config
Extracted
quasar
1.4.1
cheat
192.168.178.23:4782
272551ab-8052-4b4e-a889-aadb9092e72c
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encryption_key
2257EEB177515C16042E47AEB0207ADB4DD194BF
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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
Java Updater
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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