Behavioral task
behavioral1
Sample
j.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral2
Sample
j.exe
Resource
win10ltsc2021-20241211-en
Behavioral task
behavioral3
Sample
j.exe
Resource
win11-20241007-en
General
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Target
j.exe
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Size
3.1MB
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MD5
e0bb76d13de0c501243d320c86f279b2
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SHA1
d8560283584c4ef6e86dcdb13edb6f5c57122c15
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SHA256
667cb53091bf9a62035df268e681af5be5c10cdc77d05c546d27aac3684a1a1d
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SHA512
a15d6a19b19ba8a335aff5b6a8e97af84658d52b16d74cf6a26662eff0cf0736b8cef64ae10dc0b2f09cc590fde79a9e01d885dee626047516d088fc47bb5ca3
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SSDEEP
49152:fv9z92YpaQI6oPZlhP3ReybewozSRJ6ubR3LoGdcTHHB72eh2NT:fvV92YpaQI6oPZlhP3YybewozSRJ6o
Malware Config
Extracted
quasar
1.4.1
something cool
aahahaha123122-40548.portmap.host:40548
aahahaha123122-40548.portmap.host:4782
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 j.exe
Files
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j.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