General
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Target
Bootstrapper.zip
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Size
594KB
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MD5
cba0fd160889e92d2dfe3af3c040eea3
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SHA1
aff1fae2b93a6763d4995efc74ee1f9fa4e0cfef
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SHA256
363dc45b223fd59f5dfc9ea44a41b912ccd944f6cb317a068cd8247a7d0ffe8f
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SHA512
95ecf3e544a0c8bf60dd355e6ccb262e90424da2380b859c5fadd8869329a2ba8ed20e00477191fbc1f147f28a64ef0332e570c9e5519d7af09261a660c0ab80
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SSDEEP
12288:gteYk7/iCBlGq0Tt0Fb9NnXqaAQzKgQcFBE/Xaau4oe:jYk7/zg0BNXXicLEboe
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 static1/unpack001/Bootstrapper/Solara Bootstrapper.exe orcus -
Orcus family
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Orcus main payload 1 IoCs
resource yara_rule static1/unpack001/Bootstrapper/Solara Bootstrapper.exe family_orcus -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/Bootstrapper/Solara Bootstrapper.exe
Files
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Bootstrapper.zip.zip
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Bootstrapper/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