Behavioral task
behavioral1
Sample
20980da93a018ee5e8d8eb95bb21620244c4a7e56c92d8fc657f3fa9c58e4132.exe
Resource
win7-20240903-en
General
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Target
20980da93a018ee5e8d8eb95bb21620244c4a7e56c92d8fc657f3fa9c58e4132
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Size
5.0MB
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MD5
b4df4594ac31598703ab5e52af43d8fd
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SHA1
89bee8739fefe1e10ba55dadbb0a17d83576eec4
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SHA256
20980da93a018ee5e8d8eb95bb21620244c4a7e56c92d8fc657f3fa9c58e4132
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SHA512
fe9983d88a855b4cbf4746c9b5cc197ca335d94246fdc86d09b7e2f369fa8e95bb6fe4101e51648e7dfb6b7afc02b59fd42c4bfa2498d1372a31ca01c439db19
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SSDEEP
24576:eEu4MROxnFe3idtrrcI0AilFEvxHPfmooN:eIMiwkrrcI0AilFEvxHP
Malware Config
Extracted
orcus
Test Hack
127.0.0.1:10134
de4e6099f84e48d89e40ea74092aa6a9
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autostart_method
Registry
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enable_keylogger
true
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install_path
%programfiles%\HDAudioDriver\HDAudioDriver.exe
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reconnect_delay
10000
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registry_keyname
Realtek_audio_driver
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taskscheduler_taskname
Orcus
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watchdog_path
Temp\chrome.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 20980da93a018ee5e8d8eb95bb21620244c4a7e56c92d8fc657f3fa9c58e4132
Files
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20980da93a018ee5e8d8eb95bb21620244c4a7e56c92d8fc657f3fa9c58e4132.exe windows:4 windows x86 arch: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: 910KB - Virtual size: 909KB
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