C:\Users\SerGreen\Source\Repos\Appacker\UnpackerWindowless\obj\Release\UnpackerWindowless.pdb
Behavioral task
behavioral1
Sample
vir.exe
Resource
win10v2004-20240426-en
General
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Target
vir.exe
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Size
37.5MB
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MD5
51b8b0ed477e66a187003f8f31e04b4f
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SHA1
8f04326efc72dde67c8c43e8dd72a3e37556e44a
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SHA256
4cf8501c814c5f709cbe2fa7943479d53254fec9f0d877ddb86fd2aae7d665bb
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SHA512
ef68eddc80ee2d51deff39d15278d20b8096d462ff2b9bff5bab153cdabb76d718b95f5d3080d30dde6e4a12f6ea78d042f2b8bf33d4fc3d31ef43bbd2ef89e8
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SSDEEP
786432:54RerlLa3nOEwrkACTeyYQbjGEhM6xHXkvj:KulW3OEoANHUr
Malware Config
Extracted
quasar
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reconnect_delay
3000
Signatures
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Detect Umbral payload 1 IoCs
Processes:
resource yara_rule sample family_umbral -
Njrat family
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Quasar family
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Quasar payload 1 IoCs
Processes:
resource yara_rule sample family_quasar -
Umbral family
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AutoIT Executable 1 IoCs
AutoIT scripts compiled to PE executables.
Processes:
resource yara_rule sample autoit_exe -
HTTP links in PDF interactive object 1 IoCs
Detects HTTP links in interactive objects within PDF files.
Processes:
resource yara_rule sample pdf_with_link_action -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
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: 200KB - Virtual size: 199KB
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