Behavioral task
behavioral1
Sample
Virtue Private.exe
Resource
win7-20240221-en
General
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Target
Virtue Private.exe
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Size
3.1MB
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MD5
36d82886e6adaa56b73175f130810403
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SHA1
e3e8ba3ce0ecb564ec02453a19d425e6b350efd7
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SHA256
28b1d8db8e3d8c6323d2c118519225ac31c5b35411de11da7a78a9b7a393a909
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SHA512
eef6506bca24139f43092851fafb07279a1f06417ab4c023579c8a91bb2090f9a3920077dac3cffb1bb305eecd89ef8380d0dcab4ec4eed77274855f69ffe248
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SSDEEP
49152:KvVt62XlaSFNWPjljiFa2RoUYInpRJ6SbR3LoGdgGjTHHB72eh2NT:Kvn62XlaSFNWPjljiFXRoUYInpRJ6MH
Malware Config
Extracted
quasar
1.4.1
Office04
80.222.152.67:4782
a6ae3668-7a90-4738-8db0-c5d5669c4b34
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encryption_key
FEBD1C7C69CED06E8B8B9F6EDE22C31EBEF8E212
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install_name
Roblox.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
Roblox
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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 Private.exe
Files
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Virtue Private.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