Behavioral task
behavioral1
Sample
b61abc841fb6d962818b3d63cf01a198d2e4b2bc050d51080f991b53c3ebe2c0.exe
Resource
win7-20231215-en
General
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Target
b61abc841fb6d962818b3d63cf01a198d2e4b2bc050d51080f991b53c3ebe2c0
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Size
924KB
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MD5
5e6348711ce80a4a56b6e3284e06df44
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SHA1
b1bf6a8d21d0922b1fcee7bafe82677dbcbf6f9b
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SHA256
b61abc841fb6d962818b3d63cf01a198d2e4b2bc050d51080f991b53c3ebe2c0
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SHA512
05d04f0fa8323bbf58c1fa9b9a66d672573a57cddaa6f57cb00d136f3ee797ce8cc32d5365528b9b4ab44354e89f713d6e921641983f823757174ab5f70d63e8
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SSDEEP
24576:0Vr4MROxnFE3+O3+rrcI0AilFEvxHPWooZ:0WMiuL+rrcI0AilFEvxHP
Malware Config
Extracted
orcus
10.241.74.120:10130
90f0ab4d333f440d9f794c6544def39c
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autostart_method
Registry
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enable_keylogger
false
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install_path
%programfiles%\shelter\shelter.exe
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reconnect_delay
10000
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registry_keyname
shelter
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taskscheduler_taskname
Orcus
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watchdog_path
Temp\shelter.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 b61abc841fb6d962818b3d63cf01a198d2e4b2bc050d51080f991b53c3ebe2c0
Files
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b61abc841fb6d962818b3d63cf01a198d2e4b2bc050d51080f991b53c3ebe2c0.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: 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