Behavioral task
behavioral1
Sample
987a7d82d2390944d7c8fd67e7de1dcce7fd6be9580ce8f9226532a73b4d20e7.exe
Resource
win7-20241010-en
General
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Target
987a7d82d2390944d7c8fd67e7de1dcce7fd6be9580ce8f9226532a73b4d20e7
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Size
924KB
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MD5
7e282c2bbb80780191282e11331f85fa
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SHA1
0b14fc0f14f86957b8e1b2f379c389b780dda53c
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SHA256
987a7d82d2390944d7c8fd67e7de1dcce7fd6be9580ce8f9226532a73b4d20e7
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SHA512
9c29e51f13c34a6f94ecc0c4500c4143901ffba4f5cecea978effa0b5dce5cb19b4b582cce3cd3656ba270f2d750fc751780b16c9a18b8fe3fdf036bfb0c4cd3
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SSDEEP
24576:xnQm4MROxnFE3C4rrcI0AilFEvxHjZMQp:xnQlMiuC4rrcI0AilFEvxHj
Malware Config
Extracted
orcus
BUILD1
46.8.210.6:10134
979c2ee9d7ff48d0a2e4e2df3c2c864d
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autostart_method
Registry
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enable_keylogger
true
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install_path
%programfiles%\Common Files\System\HD Audio\HDAudio.exe
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reconnect_delay
10000
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registry_keyname
HDAudioDriver
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taskscheduler_taskname
HDAudioDriver
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watchdog_path
AppData\HDAudioWatchdog.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 987a7d82d2390944d7c8fd67e7de1dcce7fd6be9580ce8f9226532a73b4d20e7
Files
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987a7d82d2390944d7c8fd67e7de1dcce7fd6be9580ce8f9226532a73b4d20e7.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: 921KB - Virtual size: 921KB
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