Behavioral task
behavioral1
Sample
Loader.exe
Resource
win7-20231215-en
General
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Target
Loader.exe
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Size
921KB
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MD5
43ad9f7ac9fdfaf0a49d563f5d0e9756
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SHA1
b710518a0082046b697ab32ccd6a6b3c844feb44
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SHA256
8e2411434b3f596ffb6ecf25e531e4804fba22233936c270856408383c4cdb34
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SHA512
08024ef6c5373957eb295513beef6bbc76e6215cf3553f4b7a04b74b79f470151b65f383a729ef20ef1de798a67d0a8392061057c3308be3100f652b201fb88f
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SSDEEP
24576:Mk84MROxnFt39tQYrZlI0AilFEvxHiPOjZ:MkPMijXPrZlI0AilFEvxHi
Malware Config
Extracted
orcus
centre-shaped.gl.at.ply.gg:30015
84b9b2a201bd435688f1dd6a481686ed
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autostart_method
Registry
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enable_keylogger
true
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install_path
C:\Windows\DriverUpdater\Updater.exe
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reconnect_delay
10000
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registry_keyname
Winlog0n
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taskscheduler_taskname
Orcus
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watchdog_path
AppData\OrcusWatchdog.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 Loader.exe
Files
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Loader.exe.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: 918KB - Virtual size: 917KB
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