Behavioral task
behavioral1
Sample
Orcus.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
Orcus.exe
Resource
win10v2004-20241007-en
General
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Target
Orcus.exe
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Size
3.0MB
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MD5
37128f8c34f0e2112cb6c60d2fe8d4c6
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SHA1
42d4240892b4fcb2b5332fb70210238aa4070f6a
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SHA256
8667faa80b6d3e4126e5e9e60b6e2f755f5388c5554e7b6fd59bcd5a342326ad
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SHA512
f0387c7f8d4d74fc378599918cee295abf14e0cc3983a4e1681a7d40ba4b5af519a0bfec7244d2e081588590e421711dc412b3e32cb17c0a6b9db9a0d0656b88
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SSDEEP
49152:uBpEKO3T5adZKM0sz5otCeEvsDKx+msbfGGW8wlBKJwAypQxbxEo9JnCmmLNrZEu:uBptODUKTslWp2MpbfGGilIJPypSbxEt
Malware Config
Extracted
orcus
Roblox
89.23.100.155:1337
fa9ce586702b4090bcb834980fda0474
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autostart_method
Registry
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enable_keylogger
true
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install_path
%programfiles%\Windows\MpDefenderCore.exe
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reconnect_delay
10000
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registry_keyname
MpDefender
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taskscheduler_taskname
MpDefender
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watchdog_path
AppData\xdwdwatchdog.exe
Signatures
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Orcurs Rat Executable 1 IoCs
Processes:
resource yara_rule sample orcus -
Orcus family
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Orcus main payload 1 IoCs
Processes:
resource yara_rule sample family_orcus -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
resource Orcus.exe
Files
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Orcus.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: 3.0MB - Virtual size: 3.0MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 2KB - Virtual size: 1KB
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