Behavioral task
behavioral1
Sample
hopefully working.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
hopefully working.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
hopefully working.exe
Resource
win11-20241007-en
General
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Target
hopefully working.exe
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Size
3.1MB
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MD5
d99ad666c46f6027182170b415628651
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SHA1
95e57ce111b72ea7b062e3d87165416eb6ee6141
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SHA256
3d8d2e7e8d205f96165c848b68671b13fc419ae0429a6079999344a925f44d41
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SHA512
af808083c25b323120bcee39189fc06391a97f54dc11724c33070dfe6bddf32dbd2fef4543a8202eec5d77a7b2d25a76dcb952de48d5c5b81bc0cae8d4bddacc
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SSDEEP
49152:HvIcfX2hcawDEhPLl8r/ptXpga584hxOEMkak/Jx3oGdq7sfTHHB72eh2NT:HvBv2hcawDEhPLl8r/XXpga584hx99
Malware Config
Extracted
quasar
1.4.1
minecraft_updater
98.97.12.133:631
98.97.12.133:41685
98.97.12.133:5353
98.97.12.133:34735
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 hopefully working.exe
Files
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hopefully working.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