C:\Users\SerGreen\Source\Repos\Appacker\UnpackerWindowless\obj\Release\UnpackerWindowless.pdb
Behavioral task
behavioral1
Sample
vir.exe
Resource
win11-20240426-en
General
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Target
vir.exe
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Size
36.2MB
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MD5
cfb75af57b5375ee249d37293b03707c
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SHA1
40092f116899241c2093c403504a59ae678acd2d
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SHA256
2c6f5bc040dc9b0c5780e5023cf88b47cca55263d729034d0362e91a2b02356e
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SHA512
f9918f33dbd4e6be1193bf6e0068fd92174212896d8ae949f0feec3a6b8d570e5c21c27e9a9f5438d1f90cf67abcf587a4a1a9f32582250aa35e92631b56a96b
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SSDEEP
786432:94RerlLa3nwEwrkACTe6YQbjGEhM6XHXkvj:eulW3wEoALHUr
Malware Config
Extracted
quasar
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reconnect_delay
3000
Signatures
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Detect Umbral payload 1 IoCs
resource yara_rule sample family_umbral -
Njrat family
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Quasar family
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Quasar payload 1 IoCs
resource yara_rule sample family_quasar -
Umbral family
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AutoIT Executable 1 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule sample autoit_exe -
HTTP links in PDF interactive object 1 IoCs
Detects HTTP links in interactive objects within PDF files.
resource yara_rule sample pdf_with_link_action -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource vir.exe
Files
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vir.exe.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
PDB Paths
Imports
mscoree
_CorExeMain
Sections
.text Size: 264KB - Virtual size: 264KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 266KB - Virtual size: 265KB
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