Behavioral task
behavioral1
Sample
ocrus.exe
Resource
win10-20240214-en
Behavioral task
behavioral2
Sample
ocrus.exe
Resource
win10v2004-20231215-en
General
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Target
ocrus.exe
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Size
2.6MB
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MD5
1b775d3e637ac0bc98bb2e8832a066e8
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SHA1
749253c3429a5c4008b8695bf7bb8663f79282f4
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SHA256
9c7d83f03806a3670794c8093d5be42010765d2789671b132b448c7b04ceade9
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SHA512
cbc74291f281caa76e5a47a259c6930731d675a494e0e573e0b074f58cd1d8968f01d80cb913563134e3099196468b0f222b963ef66ef62a26d1ec2841fe17f5
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SSDEEP
49152:itTKZKMuX7vnQ27/AypQxbfo9JnCmo+IFNrDnIgAiEFCvxHIz:i/l7t4ypSbfo9JCmfk
Malware Config
Extracted
orcus
127.0.0.1:10134
c7dd5e9705ec4ce79a26ee36f6813e72
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autostart_method
TaskScheduler
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enable_keylogger
true
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install_path
%programfiles%\Orcus\Orcus.exe
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reconnect_delay
10000
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registry_keyname
Orcus
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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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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource ocrus.exe
Files
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ocrus.exe.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: 2.6MB - Virtual size: 2.6MB
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