Behavioral task
behavioral1
Sample
a15b51fb441f08f3fce60ae2c9e21a99b08daaf83aa0945f9736415da2e70f8e.exe
Resource
win7-20240903-en
General
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Target
a15b51fb441f08f3fce60ae2c9e21a99b08daaf83aa0945f9736415da2e70f8e
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Size
904KB
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MD5
06085978cd81457dc5ecbed3cff9f61c
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SHA1
66aae4ed1eeb563a6100a42a8734733bb6d68665
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SHA256
a15b51fb441f08f3fce60ae2c9e21a99b08daaf83aa0945f9736415da2e70f8e
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SHA512
9e9e3d01fe2540b845f9a965753a47d8780c2f95eaa16f3d7c9832452e168876eb72b5933ddf0cb2e5474c9370957557ad50c0809d34fe012ddf2901cb5158d0
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SSDEEP
24576:IAi4MROxnFHOVrrcI0AilFEvxHPPcooN:IgMiJ8rrcI0AilFEvxHP
Malware Config
Extracted
orcus
b7fscoc.localto.net:8763
cf06369f7b98472f97643448b3df76ba
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autostart_method
Registry
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enable_keylogger
true
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install_path
%appdata%\Roaming\am1\RuntimeBroker.exe
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reconnect_delay
10000
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registry_keyname
RuntimeBroker
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taskscheduler_taskname
RuntimeBroker
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watchdog_path
AppData\OrcusWatchdog.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 a15b51fb441f08f3fce60ae2c9e21a99b08daaf83aa0945f9736415da2e70f8e
Files
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a15b51fb441f08f3fce60ae2c9e21a99b08daaf83aa0945f9736415da2e70f8e.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: 899KB - Virtual size: 898KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 4KB - Virtual size: 4KB
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