Behavioral task
behavioral1
Sample
Loader.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
Loader.exe
Resource
win10v2004-20231222-en
General
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Target
Loader.exe
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Size
922KB
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MD5
1d2d7a1a22f9058a61757de3336c86eb
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SHA1
6b87f0f70bf017473fab28af9c5b1b2752540038
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SHA256
46dd45eb8ad4b41894e667075df700eba76228a047d2c01cca6c3511ec6a379a
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SHA512
1d8c0f439fd6d0562676ad0f251dd1c969d09e9e39653346362782efe0dfcc6a6c300966408be7eb131c4c18c80c9add0f131bbb6af2981cd5fac71d73189b0f
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SSDEEP
24576:G704MROxnFt36tQcrZlI0AilFEvxHiNn:G7nMijmXrZlI0AilFEvxHi
Malware Config
Extracted
orcus
centre-shaped.gl.at.ply.gg:30014
484b47b4576b4f7e994f5ac0a873a20e
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autostart_method
Registry
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enable_keylogger
false
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install_path
%programfiles%\Winrar\Data\Winrar.exe
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reconnect_delay
10000
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registry_keyname
winlogon
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taskscheduler_taskname
Winrar
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watchdog_path
AppData\svchost.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 Loader.exe
Files
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Loader.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: 919KB - Virtual size: 918KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 2KB - Virtual size: 1KB
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