Behavioral task
behavioral1
Sample
Fpsunlocker.exe
Resource
win7-20240729-en
General
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Target
Fpsunlocker.exe
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Size
3.1MB
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MD5
bf656c2e5e1e942c41fa918132faa7ab
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SHA1
1c2ddd815378e54db9e21dd2e61d89067c94da4f
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SHA256
b70c5aea64d75fc98a82b3c88cfecc6c2856f2a4987f4c1212c3fcf866ec9c9f
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SHA512
54bef34ab722d69f1d3b7f5316f1fbc10fc629bb134f70eecb6a368330b7b73305ef5fa0b9e83c104e6e679ccd1d6e7f5a20caf4f39e6b03d4940b4ed9540b7d
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SSDEEP
49152:Pv2I22SsaNYfdPBldt698dBcjHDWxNESE9k/irLoGd5pTHHB72eh2NT:Pvb22SsaNYfdPBldt6+dBcjHSxw3p
Malware Config
Extracted
quasar
1.4.1
Office04
Inversin-43597.portmap.host:43597
80329fd2-f063-4b06-9c7e-8dbc6278c2a3
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encryption_key
744EA1A385FEBC6DA96387411B7000D77E66B075
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install_name
Client.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
java updater
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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 Fpsunlocker.exe
Files
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Fpsunlocker.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