Behavioral task
behavioral1
Sample
RamBoost.exe
Resource
win7-20240729-en
General
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Target
RamBoost.exe
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Size
11.1MB
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MD5
a5c93db4c83dab084d6d4ae80ce1e527
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SHA1
e90866ae65781058b98cb155e35b7ce1445d6139
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SHA256
d9dc36b7bedf2632fe0a7ca99478b20406d288a69bd7b65e5da2c9d748a5b81f
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SHA512
e61fdcabc99dbef705ac83dfa347c5f12b584ceec8b4f2fa7997a3f12722944987e65620d2f8764174e2145e7b3e7cf31372f4a591a38e4fc4496063f03e35b7
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SSDEEP
24576:CuQ4MROxnFD3+74S4xrZlI0AilFEvxHiVq7:CuzMiJxrZlI0AilFEvxHi4
Malware Config
Extracted
orcus
dandev.us.to:1015
33346576134e432b900bfc3fb9baec32
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autostart_method
TaskScheduler
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enable_keylogger
true
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install_path
%temp%\Updater.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\Watchdog.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 RamBoost.exe
Files
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RamBoost.exe.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: 912KB - Virtual size: 912KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 183KB - Virtual size: 182KB
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