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Behavioral task
behavioral1
Sample
c7a771aedb642ed870b7931b02ee6e4e83abe3f5ce2996daecdd3f49adaa0921.exe
Resource
win7-20231020-en
General
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Target
c7a771aedb642ed870b7931b02ee6e4e83abe3f5ce2996daecdd3f49adaa0921
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Size
3.0MB
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MD5
4060530bf60f50e248e3d865761d9468
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SHA1
407f6b210b125159d02637487323610b50c612ea
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SHA256
c7a771aedb642ed870b7931b02ee6e4e83abe3f5ce2996daecdd3f49adaa0921
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SHA512
78bf9894a2824f7c67d67e3ac85a10e63447f8e945680af2da6c8d614c5ae8fbb94fddf24aa3f4c3ff6a99af3a83c297faabdca38dfe7b9d0e4cf0f9153dcd7a
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SSDEEP
49152:B0CN8QFUwqYZeM9/ZzzBjMkPUayX82+YXAypQxb9ndo9JnCm4WncFf0I74gu38M:B10wGGzBjryX82uypSb9ndo9JCm
Malware Config
Extracted
orcus
Test
127.0.0.1:5050
92717e41854541ee91a4480e70a46c3f
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autostart_method
Registry
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enable_keylogger
true
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install_path
C:\Windows\System32\svchosts.exe
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reconnect_delay
10000
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registry_keyname
svchostse
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taskscheduler_taskname
svchostse
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watchdog_path
Temp\svchostse.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 c7a771aedb642ed870b7931b02ee6e4e83abe3f5ce2996daecdd3f49adaa0921
Files
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c7a771aedb642ed870b7931b02ee6e4e83abe3f5ce2996daecdd3f49adaa0921.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_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE
Imports
mscoree
_CorExeMain
Sections
.text Size: 3.0MB - Virtual size: 3.0MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 4KB - Virtual size: 3KB
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