svchost[.]exe | Triage

General

Target

svchost.exe
Size

2.1MB
MD5

9dba38ee817ce974d667dca0c2d8f210
SHA1

31e2f0296b2cd628045bed27fb2deec4c6ae4c5e
SHA256

dc37b62315f36e0e0b984d887455c35f9e1cfeb1de54fa275e7f2f7d9388ca21
SHA512

40d053d2c6982ac16f03b05f5fbb8d6d61c0dc1fe7aa02bc0257c64facf4cf32ec84185d9094e8fc31dd23699ac20eb912973f3d72a181356be63abd127c17bf
SSDEEP

49152:KBA1WBe18lvgSKmBU1ykfifBTXJ6Zlsc2/mK1YP:K7kEYSvOMkqfHc2/t1YP

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
svchost.exe
unpack001/out.upx

Files

svchost.exe
.exe windows:6 windows x64 arch: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

Sections

UPX0
Size: - Virtual size: 3.4MB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 2.1MB - Virtual size: 2.1MB

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:6 windows x64 arch: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

Sections

.text
Size: 2.4MB - Virtual size: 2.4MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 2.4MB - Virtual size: 2.4MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 228KB - Virtual size: 625KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 54KB - Virtual size: 53KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.xdata
Size: 512B - Virtual size: 168B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.idata
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.reloc
Size: 44KB - Virtual size: 43KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

.symtab
Size: 512B - Virtual size: 4B

IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Resubmissions

Sharing

General

Malware Config

Signatures

Files

Headers

DLL Characteristics

File Characteristics

Sections

UPX0 Size: - Virtual size: 3.4MB

UPX1 Size: 2.1MB - Virtual size: 2.1MB

UPX2 Size: 512B - Virtual size: 4KB

Headers

DLL Characteristics

File Characteristics

Sections

.text Size: 2.4MB - Virtual size: 2.4MB

.rdata Size: 2.4MB - Virtual size: 2.4MB

.data Size: 228KB - Virtual size: 625KB

.pdata Size: 54KB - Virtual size: 53KB

.xdata Size: 512B - Virtual size: 168B

.idata Size: 1KB - Virtual size: 1KB

.reloc Size: 44KB - Virtual size: 43KB

.symtab Size: 512B - Virtual size: 4B

UPX0
Size: - Virtual size: 3.4MB

UPX1
Size: 2.1MB - Virtual size: 2.1MB

UPX2
Size: 512B - Virtual size: 4KB

.text
Size: 2.4MB - Virtual size: 2.4MB

.rdata
Size: 2.4MB - Virtual size: 2.4MB

.data
Size: 228KB - Virtual size: 625KB

.pdata
Size: 54KB - Virtual size: 53KB

.xdata
Size: 512B - Virtual size: 168B

.idata
Size: 1KB - Virtual size: 1KB

.reloc
Size: 44KB - Virtual size: 43KB

.symtab
Size: 512B - Virtual size: 4B