General
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Target
OneDrive.exe
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Size
3.2MB
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MD5
7056e050ebbfca6ae325797d51eb2d0a
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SHA1
055cd6e4bde3449d72f7061620647ecb73d6b9cd
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SHA256
c316b0b818125541a90d7110af8c0908a8d6c73d3b846a27aed647fab6b38e00
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SHA512
0c54802ad35f5a00c5db1195df2d566bc18a384f486cc3ca00dc63bb86e3fc5d105192cfe5efe9ed62bdedb441877486ec7aedbd7a6bf59fcda2f772308b150e
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SSDEEP
49152:ivlI22SsaNYfdPBldt698dBcjH09L/RBxwcoGdb9THHB72eh2NT:ivu22SsaNYfdPBldt6+dBcjHq/lL
Malware Config
Extracted
quasar
1.4.1
Test
147.185.221.22:54755
9cabbafb-503b-49f1-ab22-adc756455c10
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encryption_key
8B93C77AC1C58EA80A3327E9FD26246A79EF3B8E
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install_name
Onedrive.exe
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log_directory
Logs
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reconnect_delay
100
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startup_key
Microsoft OneDrive
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subdirectory
Onedrive
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 OneDrive.exe
Files
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OneDrive.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: 103KB - Virtual size: 103KB
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