General
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Target
fun.exe
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Size
3.1MB
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MD5
08bf40bfcb734f6fbb2b1b8a15081a75
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SHA1
f20375b288aa16fde380543c388fab32e3991905
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SHA256
085ebdee80d776053153a77ba8396b84a134b2ccb2c6774b06d7d59805d39595
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SHA512
ef3977ba5ffbb49de9e7016cca0fb3d0a69dc830363e77bbadf5e5665288826efe87bc3759475c23fbae0bf03b6863b73cbed5961df049ecdf3b7d794e49a8ef
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SSDEEP
49152:rvyI22SsaNYfdPBldt698dBcjH/wtxNESE8k/ivLoGdbj6uTHHB72eh2NT:rvf22SsaNYfdPBldt6+dBcjH/6xnz
Malware Config
Extracted
quasar
1.4.1
Office04
azxq0ap.localto.net:9224
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 fun.exe
Files
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fun.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