Behavioral task
behavioral1
Sample
Solara Bootstrapper.exe
Resource
win11-20250313-en
General
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Target
Solara Bootstrapper.exe
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Size
916KB
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MD5
f24b0f78c8be241de211f2a7329c31d0
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SHA1
c94c0bb146040ed400a80d754f6f7ed5003328ef
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SHA256
4dbeefad08420db91ab0faa7bafebbd58a74fde562f97eaa2f2faedc56c1baae
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SHA512
d6d969b6729206d4cf50519053109bff6ee6f84dd09e1900e03606ad150490db38881076e6a62f0dca02e2fa0e93221c0e86fe6534dd2fbec813d6c6a46ae8a6
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SSDEEP
24576:dcI4MROxnFD3w74S4xrZlI0AilFEvxHiaZ:dcrMiJTrZlI0AilFEvxHi
Malware Config
Extracted
orcus
192.168.0.25:10134
a5447eba215c43b98853781f7d6d0b95
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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
Orcus
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taskscheduler_taskname
Orcus
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watchdog_path
AppData\Windows
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 Solara Bootstrapper.exe
Files
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Solara Bootstrapper.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: 911KB - Virtual size: 911KB
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