Behavioral task
behavioral1
Sample
letsvpn-latest.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
letsvpn-latest.exe
Resource
win10v2004-20240802-en
General
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Target
letsvpn-latest.exe.vir
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Size
15.1MB
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MD5
9955837b547b049e589b4c6bcb663b3d
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SHA1
1547ee7757789f420268245adae70f6224548515
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SHA256
d972127893bdc4523b0f63ca4f8a3d55db64a52a86dcae0db523f339f4d0a723
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SHA512
31cf10306d5e1ea2f7beed8a1718fbbcb08b4a1965a93ab78716c5f7e06fa04772288c37a36340098fdd1b9a15cbfe164df0b30f4c796326e56cb814661e1d6d
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SSDEEP
393216:hVhKO2IhWbf5F7Dt5KOZAMIXVyZtXrBuMgpx1W+k0yn:hf2Iy5F7DmOCMPtBuPzW+kn
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.exe.vir unpack001/out.upx
Files
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letsvpn-latest.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