Behavioral task
behavioral1
Sample
letsvpn-latest_1.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
letsvpn-latest_1.exe
Resource
win10v2004-20240802-en
General
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Target
letsvpn-latest_1.exe.vir
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Size
17.6MB
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MD5
3d21d1aafdddb6eb0a1220527434e071
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SHA1
7177e238087cbddb734ea69d67a856a3c48034cb
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SHA256
5451ef2f179abb86f8d8464815fe4965d4619025395aae3ab2e1337de90f48a3
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SHA512
faaf0699149f81bfd78893097c2fcf00255ec8c47159145931e84581f493b5dff3e99469d2304d57e6f902fcfb38b171d57958b067000d3640c5b0b1f756eb66
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SSDEEP
393216:VbSXb4YVsff4ePzvH8GVkOu37wT1V46ffPDbDn7u16DPGk:VlM5eLf8CM7wX4SfPrG6DPV
Malware Config
Signatures
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Processes:
resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
Processes:
resource letsvpn-latest_1.exe.vir unpack001/out.upx
Files
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letsvpn-latest_1.exe.vir.exe windows:4 windows x86 arch:x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Sections
UPX0 Size: - Virtual size: 108KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 63KB - Virtual size: 64KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 27KB - Virtual size: 28KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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out.upx.exe windows:4 windows x86 arch:x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Sections
.text Size: 99KB - Virtual size: 99KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 15KB - Virtual size: 14KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 2KB - Virtual size: 19KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 27KB - Virtual size: 26KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ