Behavioral task
behavioral1
Sample
a.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral2
Sample
a.exe
Resource
win11-20241007-en
General
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Target
a.exe
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Size
3.1MB
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MD5
23dea2d97e82e240eb41104632e0dc33
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SHA1
51cd110e871d3b57a7ec26cef6cdda2d18c9a1df
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SHA256
0843b3401463c5ec1d098feb0f33e90915d2a1c382fe9589f0a833b873b76e96
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SHA512
c7a7c9f3cfd49ac21efeb22980c6e548316ba51818e52057febbc03d6638947f01c9bbcf3a658d71aa7be4afe56bfe5bbbde25e0ee3132351548e53e15080f55
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SSDEEP
49152:DvtD/2oga6ctePEl3s3jn7HZkgl4mxmzKLoGd3uTHHB72eh2NT:DvR/2oga6ctePEl3s3L7HZkgl4m9
Malware Config
Extracted
quasar
1.4.1
minecraft_updater
desktop-ukmnq5d-tcp.at.remote.it:65535
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 a.exe
Files
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a.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