Behavioral task
behavioral1
Sample
file.exe
Resource
win10v2004-20231222-en
General
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Target
file.exe
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Size
915KB
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MD5
eaf21376cebd21a795d8ceaa36117189
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SHA1
07fe1f4e0f1948f944c1c92213b6c8bd4507615f
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SHA256
3997cd980cabfc6de9b8e44509a39b419cc3b67da8ea94db6182a4ba124dcf88
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SHA512
66bd5170027ba16f11d64dc1495ee41c637931cfbde31169564995e670218b66b3773b4c77e41ef4b8b692154aa5d2163f684ecd802be520d77d82a813b3ad48
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SSDEEP
24576:eIJu4MROxnFD3ErXYf1rrcI0AilFEvxHPhxooF:e6MiJNrrcI0AilFEvxHP
Malware Config
Extracted
orcus
obfuscated.us:8080
a944d250f8b74b78867dc02caf0ed0d0
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autostart_method
Registry
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enable_keylogger
true
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install_path
%programfiles%\System32\System32
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reconnect_delay
10000
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registry_keyname
Windows
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taskscheduler_taskname
Orcus
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watchdog_path
AppData\System32.exe
Signatures
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Orcurs Rat Executable 1 IoCs
resource yara_rule sample orcus -
Orcus family
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Orcus main payload 1 IoCs
resource yara_rule sample family_orcus -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource file.exe
Files
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file.exe.exe windows:4 windows x86 arch:x86
f34d5f2d4577ed6d9ceec516c1f5a744
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
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: 912KB - Virtual size: 911KB
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