Behavioral task
behavioral1
Sample
MinecraftLauncher.exe
Resource
win10-20240221-en
General
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Target
MinecraftLauncher.exe
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Size
3.1MB
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MD5
140e3864d405c443c13b30718b14b96a
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SHA1
7d550e55dfe2a1f2c7c83572a014e84a63c1f679
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SHA256
04aaecc0a4ec229b3bd361bfa08a97482cc9c8350afe36e38e70ad9026e81126
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SHA512
72ecb61f059ad5226ac3c4fd90e67be8ec4e6ae2b455ec246db3f8f48b89995f363e3e6b7223435a97fce52a32714bbc56465dbb523b75852ca14c0b4d68e243
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SSDEEP
49152:jvOlL26AaNeWgPhlmVqvMQ7XSKkTmy3zoSdvWWYTHHB72eh2NT:jv+L26AaNeWgPhlmVqkQ7XSKMmyDx
Malware Config
Extracted
quasar
1.4.1
MinecraftLauncher
5.197.224.63:4782
91e0511c-0d95-4c92-93c0-7fa5566a24e6
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encryption_key
E67C36D8068D267929AA9AB6EBED9453C1E121DF
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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
Quasar Client Startup
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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 MinecraftLauncher.exe
Files
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MinecraftLauncher.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: 37KB - Virtual size: 37KB
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