Behavioral task
behavioral1
Sample
Virtue Public.exe
Resource
win7-20240221-en
General
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Target
Virtue Public.exe
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Size
3.1MB
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MD5
6da145d96f42414e4acd1e84fded5906
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SHA1
b7d0013a3422144d4f3dc62de1a111c3faa20280
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SHA256
0c2c8d8906310228819edfb054c37f18148b0f710486e6a641164cbdaca5f476
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SHA512
1dd65cddd703de2a63ea527680a2de241f8a8c7e36c90d0b2cd7826631637cbb5822d56dde086c984acc8e76c38d065fba3d82f8a750baabff19d89cf7028c5c
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SSDEEP
49152:6vVt62XlaSFNWPjljiFa2RoUYIx5aEEmkGk/8FXoGdUzTHHB72eh2NT:6vn62XlaSFNWPjljiFXRoUYIx5asl
Malware Config
Extracted
quasar
1.4.1
Office04
80.222.152.67:80
a6ae3668-7a90-4738-8db0-c5d5669c4b34
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encryption_key
FEBD1C7C69CED06E8B8B9F6EDE22C31EBEF8E212
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install_name
Virtue.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
Update
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subdirectory
SubDir
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 Virtue Public.exe
Files
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Virtue Public.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