Behavioral task
behavioral1
Sample
ca58c3622823c65d1a9b5a06d1b0b46cd7f6c46c6a7bc2dda5f1b1f52ea186f7.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
ca58c3622823c65d1a9b5a06d1b0b46cd7f6c46c6a7bc2dda5f1b1f52ea186f7.exe
Resource
win10v2004-20231215-en
General
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Target
ca58c3622823c65d1a9b5a06d1b0b46cd7f6c46c6a7bc2dda5f1b1f52ea186f7
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Size
922KB
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MD5
4fe283a3f154f6be93049792146d573d
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SHA1
3ef55c3c8b177b500a2b28dd7e06c21e12db9124
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SHA256
ca58c3622823c65d1a9b5a06d1b0b46cd7f6c46c6a7bc2dda5f1b1f52ea186f7
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SHA512
405a45dd6bb745470deb1d01264ef97bc87c97c79b83a52e6bcdacd30e9a3f3ec0590b6888d35bc434ffe3a08177f003177ae0ddf026e8eb8129d29a82abd290
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SSDEEP
24576:fpj4MROxnFl3YumvrrcI0AilFEvxHPzoo2:fGMirkrrcI0AilFEvxHP
Malware Config
Extracted
orcus
192.168.188.89:80
0b5d489804a141619b34602f97de829a
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autostart_method
Registry
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enable_keylogger
false
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install_path
%programfiles%\Orcus\Orcus.exe
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reconnect_delay
10000
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registry_keyname
EULA Registry.json
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taskscheduler_taskname
Windows service
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watchdog_path
AppData\Windows Defender
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 ca58c3622823c65d1a9b5a06d1b0b46cd7f6c46c6a7bc2dda5f1b1f52ea186f7
Files
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ca58c3622823c65d1a9b5a06d1b0b46cd7f6c46c6a7bc2dda5f1b1f52ea186f7.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: 907KB - Virtual size: 907KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 13KB - Virtual size: 13KB
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