Behavioral task
behavioral1
Sample
3cd792034ffb6f5b7a3297bdcb61b9f4cd81ab58ae3626bada0dc12035f4a52d.exe
Resource
win7-20231215-en
General
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Target
3cd792034ffb6f5b7a3297bdcb61b9f4cd81ab58ae3626bada0dc12035f4a52d
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Size
892KB
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MD5
ce023308ed7a1ad5deaeff81d734cb70
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SHA1
7d6bb8190beaaa559ef999260e443cd5e8c27562
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SHA256
3cd792034ffb6f5b7a3297bdcb61b9f4cd81ab58ae3626bada0dc12035f4a52d
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SHA512
5db3b5463cf93d632141ae079451c83a03f91105c666fbfbe7bdaeae404d7d474d64260b979bbedf1b948de4bf7d1b8f88835390c2ab602ec9d86be8581f5ba8
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SSDEEP
24576:HcSupUB439MfmdndFHI7rjlB4MZ+xnFF3l:8VJImdndFHI7rjl+Mqn
Malware Config
Extracted
orcus
Testing
188.119.113.64:1604
09c58e1db8ac4669b430377684464e9c
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autostart_method
Disable
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enable_keylogger
false
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install_path
%programfiles%\Audio\HD Audio Driver.exe
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reconnect_delay
10000
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registry_keyname
Orcus
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taskscheduler_taskname
Orcus
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watchdog_path
Temp\HD audio system controller.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 3cd792034ffb6f5b7a3297bdcb61b9f4cd81ab58ae3626bada0dc12035f4a52d
Files
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3cd792034ffb6f5b7a3297bdcb61b9f4cd81ab58ae3626bada0dc12035f4a52d.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: 887KB - Virtual size: 887KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 4KB - Virtual size: 3KB
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