Behavioral task
behavioral1
Sample
377df8469a63c932c38df4b5c9ce6b303e91910124175334fab26fba3578ea1a.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
377df8469a63c932c38df4b5c9ce6b303e91910124175334fab26fba3578ea1a.exe
Resource
win10v2004-20240226-en
General
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Target
377df8469a63c932c38df4b5c9ce6b303e91910124175334fab26fba3578ea1a
-
Size
3.0MB
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MD5
88d1d96e04e905a3c8a6fe8e8efd2158
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SHA1
2cd2aa418554bc4ea4c10b81bd72a23a60027fe1
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SHA256
377df8469a63c932c38df4b5c9ce6b303e91910124175334fab26fba3578ea1a
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SHA512
a3b77d89430a3ef88a9537be1a043ad59a8f506c6f07bd347402b2e5c62d77c967dbc831f8eb90bfa6179cb83bc69f5f93cee4ed5edca60feab1ecddaa85c35c
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SSDEEP
49152:BJgZcFSZeM9/4/OwVkFG6X4pyzv1IgczE6SAypQxbPQo9JnCm+WncFf0I74gu3Lx:B2iTJ/BVkzOyzdCznypSb4o9JCm
Malware Config
Extracted
orcus
192.168.35.1/24:10134
636bfa9e2a6d4e3296584db81adf3cf3
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autostart_method
Registry
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enable_keylogger
true
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install_path
%programfiles%\BypassMDM\BypassMDM.exe
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reconnect_delay
10000
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registry_keyname
BypassMDM
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taskscheduler_taskname
BypassMDM
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watchdog_path
AppData\BypassMDM_Watchdog.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 377df8469a63c932c38df4b5c9ce6b303e91910124175334fab26fba3578ea1a
Files
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377df8469a63c932c38df4b5c9ce6b303e91910124175334fab26fba3578ea1a.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: 2.9MB - Virtual size: 2.9MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 29KB - Virtual size: 28KB
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