Behavioral task
behavioral1
Sample
e635ffdeb402924e63d04502f88b9cb53697f7fd3be91af4906a811502970abc.exe
Resource
win7-20240903-en
General
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Target
e635ffdeb402924e63d04502f88b9cb53697f7fd3be91af4906a811502970abc
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Size
924KB
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MD5
9e53bae3cb9c718150dc1fb75c7074de
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SHA1
254d181da66607785bab9175f7e6efbedf09b7b9
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SHA256
e635ffdeb402924e63d04502f88b9cb53697f7fd3be91af4906a811502970abc
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SHA512
d952b9d1307cffc5c0bda543a9f4edeaede19415368dbbdeffb8009a96bacda6f14e1013565d1f8de57334ebb671d1ac8345b833de5aedfe5adcbbbeee14a136
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SSDEEP
12288:E0XCGPSX0zbyD+ndg+QCImGYUl9qyzlkE2kUNCd6zONefAUUFEplMETQ7dG1lFlu:AmS4MROxnFE3FPrrcI0AilFEvxHj2QX
Malware Config
Extracted
orcus
testbuild
127.0.0.1:1268
979c2ee9d7ff48d0a2e4e2df3c2c864d
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autostart_method
Registry
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enable_keylogger
true
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install_path
%programfiles%\Common Files\System\HD Audio\HDAudio.exe
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reconnect_delay
10000
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registry_keyname
HDAudioDriver
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taskscheduler_taskname
HDAudioDriver
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watchdog_path
AppData\HDAudioWatchdog.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 e635ffdeb402924e63d04502f88b9cb53697f7fd3be91af4906a811502970abc
Files
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e635ffdeb402924e63d04502f88b9cb53697f7fd3be91af4906a811502970abc.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: 921KB - Virtual size: 920KB
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