Behavioral task
behavioral1
Sample
34.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
34.exe
Resource
win10v2004-20230915-en
General
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Target
34.exe
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Size
914KB
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MD5
4c81b71ba47ec8254bd27b871c21cd00
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SHA1
fd72361605f3251a776673bd3aedacd218213663
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SHA256
bb6d990878c675bb7c602016d7b829902f63e64bbcabc365f5637d3249c3566d
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SHA512
2eba64932a49da8bfe1f0390287ab9c89df39b80d28aba7cdc82be17623a5a6075d2756642848ec0d145475d294716916c181b0f0ee53efc2150e0003788fb56
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SSDEEP
12288:agfe07KFML7iLMucoUe7dG1lFlWcYT70pxnnaaoawBmDcfpLF9VV64brZNrI0Ai3:rtY4MROxnFGrZlI0AilFEvxHi/w2
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
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 34.exe
Files
-
34.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: 911KB - Virtual size: 910KB
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