Behavioral task
behavioral1
Sample
2134.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
2134.exe
Resource
win10v2004-20230915-en
General
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Target
2134.exe
-
Size
907KB
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MD5
a26163d72e671419744317a706a533f5
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SHA1
7209e079e23d707451b1cbaabbd923b6ab8c6f86
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SHA256
dd617f07d31dff51c538c7626782311c2f94b7e26188c3f9d6a6784ab839b5da
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SHA512
e9494ddf73a6e8ef2461d439329faddb04d7b50426ffeac9d4fd4f91e8c4b0fb5ebcf4c387fa6d0d9214a68c049dee6665c12441570bcaad4c678d11f2050feb
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SSDEEP
24576:ZKa4MROxnF0pSxXSArrcI0AilFEvxHPnoop:ZOMiSKSArrcI0AilFEvxHP
Malware Config
Extracted
orcus
de2.localto.net:41509
258334e365604d3ca90aaafdbf31c4c7
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autostart_method
Registry
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enable_keylogger
false
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install_path
%programfiles%\systemw\DSRHost.exe
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reconnect_delay
10000
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registry_keyname
DSRHost
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taskscheduler_taskname
DSRHost
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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 2134.exe
Files
-
2134.exe.exe windows:4 windows 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: 902KB - Virtual size: 901KB
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