General
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Target
anti vairus 2.exe
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Size
3.1MB
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MD5
8d55ff61779a99eb62783ca01e4636ac
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SHA1
322d7aa8772513e89adb2322e95fb371365972e4
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SHA256
3ea391b2d054781eee918dc893a9e2188d0bfa5b81e569ba782e45c7cdc0578c
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SHA512
3be71c9277f0dee2861842c854bffa286f562853f5fa20e72833a9b7c66876a33f8b9ecbfab9ed77b0231ff4ca9d6dd72a1707cf1b7f62ec31a843ed3f0f5a80
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SSDEEP
49152:3vyI22SsaNYfdPBldt698dBcjH6cRJ6gbR3LoGdDTHHB72eh2NT:3vf22SsaNYfdPBldt6+dBcjH6cRJ66
Malware Config
Extracted
quasar
1.4.1
Office04
190.104.116.8:139
e51e2b65-e963-4051-9736-67d57ed46798
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encryption_key
AEA258EF65BF1786F0F767C0BE2497ECC304C46F
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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
Quasar Client Startup
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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 anti vairus 2.exe
Files
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anti vairus 2.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