Behavioral task
behavioral1
Sample
clienbt.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral2
Sample
clienbt.exe
Resource
win11-20241007-en
General
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Target
clienbt.exe
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Size
3.1MB
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MD5
94f7204cc10fd667deb7368911210228
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SHA1
93c8e0d5b2194b1ae39537bfd3fe8ebd687c2e23
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SHA256
dbd77fcf6dbd2f136713cfe6b28d7f79d1f5f9cdbb77b4431d3c1f5ed9a487a2
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SHA512
1724176ea2e394f829b78db21831481696ee612c4bea3daba4c4e86ddd3e3dc6de1a77a901ed28e416f9869a135bf0f18d705fea650c177cb0160eccf5a4f2d0
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SSDEEP
49152:nvwhBYjCO4Dt2d5aKCuVPzlEmVQL0wvwkaf7zboGdOTHHB72eh2NT:nvit2d5aKCuVPzlEmVQ0wvwff7H
Malware Config
Extracted
quasar
1.4.1
minecraft_updater
192.168.7.110:631
182d06ff-972f-4a96-b344-59a01694d374
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encryption_key
C5904FDD788EA00F921C538B9FE80C0B0A0DE728
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install_name
MinecraftUpdater.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
MinecraftUpdater
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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 clienbt.exe
Files
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clienbt.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