Behavioral task
behavioral1
Sample
ab64d9f42b9e764fe4f7a61f6a378bb79cf7f1d05e2c431bdc1d6c6f337bd22c.exe
Resource
win7-20240221-en
General
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Target
ab64d9f42b9e764fe4f7a61f6a378bb79cf7f1d05e2c431bdc1d6c6f337bd22c
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Size
904KB
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MD5
63a2bef09fe9a858be78c14579915ca0
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SHA1
3fac6888fc1ad5dc7843c341c2c16211bb19d782
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SHA256
ab64d9f42b9e764fe4f7a61f6a378bb79cf7f1d05e2c431bdc1d6c6f337bd22c
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SHA512
325ce35e42968cbcd306cd059f58c068eb2c83d4347bb7c682c6ec86a8e6775d5cbc412cfaa20eef518827f618a348c6d85c9714879dd1bd4f3ba36c3ef694b8
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SSDEEP
12288:N0XCGPSX0zbyD+ndg+QCImGYUl9qyzlkE2kUNCWUxKItGKiHAepLIv3WZ7dG1lF6:aAi4MROxnFHHrrcI0AilFEvxHP8ooR
Malware Config
Extracted
orcus
31.220.90.137:10134
46a4e813576e402891eceb0a8304c8b1
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autostart_method
Registry
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enable_keylogger
true
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install_path
%temp%\Desktop Window Manager.exe
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reconnect_delay
10000
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registry_keyname
Update
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taskscheduler_taskname
WindowsServices
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watchdog_path
Temp\Windows Logon .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 ab64d9f42b9e764fe4f7a61f6a378bb79cf7f1d05e2c431bdc1d6c6f337bd22c
Files
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ab64d9f42b9e764fe4f7a61f6a378bb79cf7f1d05e2c431bdc1d6c6f337bd22c.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: 899KB - Virtual size: 898KB
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