Behavioral task
behavioral1
Sample
8a757e772618a81a8239c6b063ede37f73cc27f95ee7f480449cf47469d36355.exe
Resource
win7-20240903-en
General
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Target
8a757e772618a81a8239c6b063ede37f73cc27f95ee7f480449cf47469d36355
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Size
919KB
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MD5
f1e3db9b388d01aa8dea9280c47e5af8
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SHA1
54c80baaa30e6149f8f8d972c0bd93618cd8f3e8
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SHA256
8a757e772618a81a8239c6b063ede37f73cc27f95ee7f480449cf47469d36355
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SHA512
bd25df4f559666314a807b8a59c1b201efa95cd4c9afcadd24b39f22035937f87aca15f0369b1ead341c9383e0cc29636afadf51587394f7b5b9ca6caf8f04a4
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SSDEEP
24576:U554MROxnFH3WRM42rrcI0AilFEvxHPMoo4:UQMihWl2rrcI0AilFEvxHP
Malware Config
Extracted
orcus
198.50.242.157:3846
b8577799a70a4ecc93cb8ee5c61b2c7b
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autostart_method
Registry
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enable_keylogger
false
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install_path
%programfiles%\GoogleChromeUpt\Updater.exe
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reconnect_delay
10000
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registry_keyname
ChromeStarter
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taskscheduler_taskname
Start
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watchdog_path
AppData\ChromeDEV.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 8a757e772618a81a8239c6b063ede37f73cc27f95ee7f480449cf47469d36355
Files
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8a757e772618a81a8239c6b063ede37f73cc27f95ee7f480449cf47469d36355.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: 914KB - Virtual size: 913KB
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