Behavioral task
behavioral1
Sample
52ba75535ee12f1940514bd049189bb2907e31560a3e4490268c6471dc38b2de.exe
Resource
win7-20240220-en
General
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Target
52ba75535ee12f1940514bd049189bb2907e31560a3e4490268c6471dc38b2de
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Size
915KB
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MD5
3f5d553fc7fd6cf287bcfacce9ecbe7d
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SHA1
2b9fa4798907387094963d984f9539426cda6745
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SHA256
52ba75535ee12f1940514bd049189bb2907e31560a3e4490268c6471dc38b2de
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SHA512
a2b857e8343b69d2c7f3b78d64333b3eae41efc5a5180f636df08f9f60905fbbebf3a43a9deb75c866594390763fa66934cc330e72e54bfe90d3b421bc9afe10
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SSDEEP
24576:veC4MROxnFD3tw8XlrrcI0AilFEvxHP9oo3:veMiJ/rrcI0AilFEvxHP
Malware Config
Extracted
orcus
1
95.165.149.124:4444
4977318a1cdb43478f26a78718953817
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autostart_method
TaskScheduler
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enable_keylogger
true
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install_path
%programfiles%\Microsoft\AudioHD\Driver\AudioHD.exe
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reconnect_delay
10000
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registry_keyname
Orcus
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taskscheduler_taskname
Microsoft AudioHD
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watchdog_path
AppData\AudioHD.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 52ba75535ee12f1940514bd049189bb2907e31560a3e4490268c6471dc38b2de
Files
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52ba75535ee12f1940514bd049189bb2907e31560a3e4490268c6471dc38b2de.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: 912KB - Virtual size: 911KB
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