Behavioral task
behavioral1
Sample
43bb7f5aabd3203c6fa4f65ed37c3d2d4a9ac7138439f1fdebdf3f73c3275456.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
43bb7f5aabd3203c6fa4f65ed37c3d2d4a9ac7138439f1fdebdf3f73c3275456.exe
Resource
win10v2004-20240412-en
General
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Target
43bb7f5aabd3203c6fa4f65ed37c3d2d4a9ac7138439f1fdebdf3f73c3275456
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Size
934KB
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MD5
b4f9da6bb3d285ca5434e46cdf810f9a
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SHA1
1ce3fa7613d043cabf11ef720a2eaaf44bec515f
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SHA256
43bb7f5aabd3203c6fa4f65ed37c3d2d4a9ac7138439f1fdebdf3f73c3275456
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SHA512
44a91e305230853b20a40af4c3635e1a84b6862759f511be24b9102eb549179bcfd7c5656cfa22e7dd602f8f9ebdf754638c0f2fd1ca99e067841d78ac3abc1e
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SSDEEP
12288:v0XCGPSX0zbyD+ndg+QCImGYUl9qyzlkE2kUNCcy782OV5ivMprmStz07dG1lFlL:3SO4MROxnFBLrrcI0AilFEvxHjVQ4Z
Malware Config
Extracted
orcus
s7vety-47274.portmap.host:47274
9b66c2abf6a74042aa75c51f01b5b0dc
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autostart_method
Registry
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enable_keylogger
false
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install_path
%temp%\Windows Updater\updateclient.exe
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reconnect_delay
10000
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registry_keyname
WindowsUpdater
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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 43bb7f5aabd3203c6fa4f65ed37c3d2d4a9ac7138439f1fdebdf3f73c3275456
Files
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43bb7f5aabd3203c6fa4f65ed37c3d2d4a9ac7138439f1fdebdf3f73c3275456.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: 914KB - Virtual size: 913KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 19KB - Virtual size: 19KB
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