Behavioral task
behavioral1
Sample
029e1ac599d7cce9e16d0eaba1e35bfb8622c38e59e09e6e3bf7a7fcdb30118d.exe
Resource
win7-20231129-en
General
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Target
029e1ac599d7cce9e16d0eaba1e35bfb8622c38e59e09e6e3bf7a7fcdb30118d
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Size
913KB
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MD5
7297f472ec693d328134a78c372c916e
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SHA1
c48c7c3e596385f97ac5aea8c9771a94c2719fef
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SHA256
029e1ac599d7cce9e16d0eaba1e35bfb8622c38e59e09e6e3bf7a7fcdb30118d
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SHA512
407849388bdd46df5423ebebb4e5bfe02e38582a95556a558b23aeef68b4679a562f756cb4c976ed3d851bc805dc697948d907a0d5d27630e9d6adb89527cdfd
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SSDEEP
12288:C0XCGPSX0zbyD+ndg+QCImGYUl9qyzlkE2kUNCOMpiAkTfYjSp2y5NU7dG1lFlWI:eo84MROxnFtCVBrrcI0AilFEvxHjxQz
Malware Config
Extracted
orcus
nonamedc.mcv.kr:8080
fcca7214f2cf43aa90403230957e4103
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autostart_method
Disable
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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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Orcus main payload 1 IoCs
resource yara_rule sample family_orcus -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 029e1ac599d7cce9e16d0eaba1e35bfb8622c38e59e09e6e3bf7a7fcdb30118d
Files
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029e1ac599d7cce9e16d0eaba1e35bfb8622c38e59e09e6e3bf7a7fcdb30118d.exe windows:4 windows x86 arch:x86
f34d5f2d4577ed6d9ceec516c1f5a744
Headers
DLL Characteristics
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: 908KB - Virtual size: 908KB
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