General
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Target
ahk.exe
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Size
922KB
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MD5
fd8c295d75ffb1367e7f8248336fbdb7
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SHA1
52c3aed0df6a5f9751db4436f6a23e718ad164d7
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SHA256
cd6f3e3f4236416da3ab4d081e566e0be35eba76ea23dff0e1bc48e7ea306c82
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SHA512
c27eddce59609f602a8b0d2fff0fadbc3a9837093351048b7bf3d3a9a3a668eb02e9ec63513866b4d76db088472efe03947f4f71c72539daf1488de38dbc26e0
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SSDEEP
24576:0YE4MROxnFt3ptQhrZlI0AilFEvxHiGk:0Y3MijbirZlI0AilFEvxHi
Malware Config
Extracted
orcus
centre-shaped.gl.at.ply.gg:30014
4c00c390bbde49b981461b7b1b4120c5
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autostart_method
Registry
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enable_keylogger
true
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install_path
C:\Windows\System32\Data\CheckUpdate.exe
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reconnect_delay
10000
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registry_keyname
winlogon
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taskscheduler_taskname
WinRAR
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watchdog_path
AppData\svchost.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 ahk.exe
Files
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ahk.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: 919KB - Virtual size: 918KB
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