Behavioral task
behavioral1
Sample
8b2ca1a1879fe9669b1fccc9fbb251726eec1ea7778a54caae9fa5fea174e5d5.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
8b2ca1a1879fe9669b1fccc9fbb251726eec1ea7778a54caae9fa5fea174e5d5.exe
Resource
win10v2004-20240221-en
General
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Target
8b2ca1a1879fe9669b1fccc9fbb251726eec1ea7778a54caae9fa5fea174e5d5
-
Size
903KB
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MD5
e5a4b747d15e4c512c491ad36eae1f04
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SHA1
d834c934b7faec5c2b85087f42e46dc14a2f210a
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SHA256
8b2ca1a1879fe9669b1fccc9fbb251726eec1ea7778a54caae9fa5fea174e5d5
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SHA512
7f1c9bcf66f04090e6bc6af2a12c99c2c1a61208a9728eb686e58d6380bdfd7316dda7ac81f7e29f93ff0ea152b58685f9fcd5ba124d54662788747f09969024
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SSDEEP
12288:d0XCGPSX0zbyD+ndg+QCImGYUl9qyzlkE2kUNCJnlOEJCOce3B/epR8wQD7dG1lc:/VWC4MROxnFwHrrcI0AilFEvxHP9ooN
Malware Config
Extracted
orcus
31.220.90.137:10134
da6205b9b8894880b8bec0cf54d3043c
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autostart_method
Registry
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enable_keylogger
false
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install_path
%temp%\Microsoft\Desktop Window Manager.exe
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reconnect_delay
10000
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registry_keyname
SecurityHealthSystray
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taskscheduler_taskname
Update
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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 8b2ca1a1879fe9669b1fccc9fbb251726eec1ea7778a54caae9fa5fea174e5d5
Files
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8b2ca1a1879fe9669b1fccc9fbb251726eec1ea7778a54caae9fa5fea174e5d5.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: 898KB - Virtual size: 897KB
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