Behavioral task
behavioral1
Sample
sa.exe
Resource
win7-20230831-en
General
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Target
sa.exe
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Size
907KB
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MD5
777efc80c628bcc92a50898ede9e1c80
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SHA1
af992dee1ebaa4cbb9518812667d860e29430221
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SHA256
2e7dd72931ae6a9144b211c179f97c4e43ab5e65ff651b00182b2683ff15a00b
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SHA512
abaef18cbe7cb376ec976b5b6afe1f89dd6269bb3120ef312774349e13feb129481cf1b54c439d92459ef90ed4163c1302dbe449b63f8b419e16e4330c3473df
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SSDEEP
12288:wQPOz8R1b40S2REsb8J7dG1lFlWcYT70pxnnaaoaw37ueuRAvrZNrI0AilFEvxHG:4gg4MROxnF394rZlI0AilFEvxHiwg
Malware Config
Extracted
orcus
test
de2.localto.net:41509
5665f873f1964bc09e317cde0ffe2c7a
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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 sa.exe
Files
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sa.exe.exe windows:4 windows 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: 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