Behavioral task
behavioral1
Sample
FpsBoosterUpdated.exe
Resource
win7-20240708-en
General
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Target
FpsBoosterUpdated.exe
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Size
348KB
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MD5
290b4ade8d6facb2bddad3eb853c1bcf
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SHA1
f86966d34bc407090f418192ebbd1bc88346b98e
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SHA256
91d3d30addc138a7e5792098b38e0d0600e4e81044372306d857ae05002a1e48
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SHA512
5d0ebf9b4d9fb1c88dac4be649e2e0fc88972d89fe5c090e02b0fcf736d26b57371bc6702195c37d2711c661afb685cb4bbf87d2224c2ae333051d6acfa8286b
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SSDEEP
6144:6vUhIvTCqLALgOnvbrXXmHbYNS2QabeCc2AW9E/rpW:INTCvn3X2yS25e72m/1W
Malware Config
Extracted
quasar
1.3.0.0
Office04
127.0.0.1:4782
QSR_MUTEX_n0f6at7YDD5llBKKrq
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encryption_key
MvuLVFJdoxRMzV0zCtOV
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install_name
FpsBooster.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
FpsBooster
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subdirectory
SubDir
Signatures
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Quasar family
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Quasar payload 1 IoCs
Processes:
resource yara_rule sample family_quasar -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
resource FpsBoosterUpdated.exe
Files
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FpsBoosterUpdated.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: 344KB - Virtual size: 344KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 2KB - 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