General
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Target
plswork.exe
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Size
3.1MB
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MD5
6177caea7e42e38c38bc0bd47bb9331c
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SHA1
76e6b53c666212a9dd06c943f22cc360c5756b36
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SHA256
759d5281882dfba5e7504f46a71c534a7b844701fda511149bc38c3ff53be0f1
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SHA512
dc2ce7aedf1c93b06e22e8995e38e89057165aa07d5dc381e48588a1174b099d6d0c88aebc5cdabed9edf6d730e5bb3a884caa2064815a68cc16860f707997f3
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SSDEEP
49152:XvTlL26AaNeWgPhlmVqvMQ7XSKW/RJ6FbR3LoGd45THHB72eh2NT:XvJL26AaNeWgPhlmVqkQ7XSKW/RJ6X
Malware Config
Extracted
quasar
1.4.1
first
nature-documented.gl.at.ply.gg:57757
1fae1825-d0ee-4a31-a2bb-ad761ecb2c11
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encryption_key
59DD70006F5E5424ACBA442199524AA9815F439E
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install_name
Calculator.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
RtkAudUService86
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subdirectory
Calculator_UWP
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 plswork.exe
Files
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plswork.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