vshell[.]exe | Triage

General

Target

vshell.exe
Size

5.5MB
MD5

df68c55c22d0a2fa9026e69894144a60
SHA1

8c0146b45aa615824431cad0191886591482598e
SHA256

678c88a020a214edf1f866bd5d6caf308963f36b2755f9eb2cd892faeb424eda
SHA512

196d8e72987b5960a45bb24b78ca4d2060a77b346297fb149da60f206301511762d8f49c9d625614a6760a31f494e3de2f232a3389276029849df78551a30e3c
SSDEEP

98304:nsuw43LC1ApsT/uEz4g9DT3V0Wn9BbxP+PL4IAPYYOiKCaXRPTo/0rTvWanIrqE:nrw43u1AnEzp359LP+PLiPYYOi0PTkKf

Score

7^/10

upx

Malware Config

Signatures

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
sample	upx

Unsigned PE 2 IoCs

Checks for missing Authenticode signature.

resource
vshell.exe
unpack001/out.upx

Files

vshell.exe
.exe windows x64

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DEBUG_STRIPPED

Sections

UPX0
Size: - Virtual size: 13.5MB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 5.5MB - Virtual size: 5.5MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX2
Size: 512B - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
out.upx
.exe windows x64

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DEBUG_STRIPPED

Sections

.text
Size: 10.1MB - Virtual size: 10.1MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 7.5MB - Virtual size: 7.5MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 880KB - Virtual size: 880KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 4KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.reloc
Size: 344KB - Virtual size: 344KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

.symtab
Size: 4KB - Virtual size: 4KB

IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Headers

DLL Characteristics

File Characteristics

Sections

UPX0 Size: - Virtual size: 13.5MB

UPX1 Size: 5.5MB - Virtual size: 5.5MB

UPX2 Size: 512B - Virtual size: 4KB

Headers

DLL Characteristics

File Characteristics

Sections

.text Size: 10.1MB - Virtual size: 10.1MB

.rdata Size: 7.5MB - Virtual size: 7.5MB

.data Size: 880KB - Virtual size: 880KB

.idata Size: 4KB - Virtual size: 4KB

.reloc Size: 344KB - Virtual size: 344KB

.symtab Size: 4KB - Virtual size: 4KB

UPX0
Size: - Virtual size: 13.5MB

UPX1
Size: 5.5MB - Virtual size: 5.5MB

UPX2
Size: 512B - Virtual size: 4KB

.text
Size: 10.1MB - Virtual size: 10.1MB

.rdata
Size: 7.5MB - Virtual size: 7.5MB

.data
Size: 880KB - Virtual size: 880KB

.idata
Size: 4KB - Virtual size: 4KB

.reloc
Size: 344KB - Virtual size: 344KB

.symtab
Size: 4KB - Virtual size: 4KB