client[.]exe | Triage

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General

Target

client.exe
Size

6.9MB
MD5

0855b6c6f0bbda57e7675ec11ab524e5
SHA1

99c8f60465ea7e6ca933f94f2e166e43ffe7fa5d
SHA256

1a9e7f5d10dbff6916e1e4d1c2d9d48fbc5b36a58704d66a3a89af3497af1b40
SHA512

eea4e9ca4f7db4471e6f245bc6de9cb50326b64376232fdbccc20bdbd6fa941ebc8aea714a5927e1f44dd3d5a601e0e6f2ec6b585eca8dc8afff0cf0c8abb84b
SSDEEP

196608:V6XN/84Cyz5skOUpw3psWFHaXHOGv6l+82bAaUdKlZB:c/jz6jG8fF6XH7/brU6P

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
client.exe
unpack001/out.upx

Files

client.exe
.exe windows:6 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

Sections

UPX0
Size: - Virtual size: 8.5MB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 6.9MB - Virtual size: 6.9MB

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

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: 3.7MB - Virtual size: 3.7MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 6.9MB - Virtual size: 6.9MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 292KB - Virtual size: 693KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 96KB - Virtual size: 95KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

/4
Size: 512B - Virtual size: 297B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/19
Size: 668KB - Virtual size: 668KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/32
Size: 149KB - Virtual size: 149KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/46
Size: 512B - Virtual size: 24B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/65
Size: 1.3MB - Virtual size: 1.3MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/78
Size: 854KB - Virtual size: 854KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/90
Size: 242KB - Virtual size: 242KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
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: 83KB - Virtual size: 82KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

.symtab
Size: 743KB - Virtual size: 742KB

IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Headers

DLL Characteristics

File Characteristics

Sections

UPX0 Size: - Virtual size: 8.5MB

UPX1 Size: 6.9MB - Virtual size: 6.9MB

UPX2 Size: 512B - Virtual size: 4KB

Headers

DLL Characteristics

File Characteristics

Sections

.text Size: 3.7MB - Virtual size: 3.7MB

.rdata Size: 6.9MB - Virtual size: 6.9MB

.data Size: 292KB - Virtual size: 693KB

.pdata Size: 96KB - Virtual size: 95KB

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

/4 Size: 512B - Virtual size: 297B

/19 Size: 668KB - Virtual size: 668KB

/32 Size: 149KB - Virtual size: 149KB

/46 Size: 512B - Virtual size: 24B

/65 Size: 1.3MB - Virtual size: 1.3MB

/78 Size: 854KB - Virtual size: 854KB

/90 Size: 242KB - Virtual size: 242KB

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

.reloc Size: 83KB - Virtual size: 82KB

.symtab Size: 743KB - Virtual size: 742KB

UPX0
Size: - Virtual size: 8.5MB

UPX1
Size: 6.9MB - Virtual size: 6.9MB

UPX2
Size: 512B - Virtual size: 4KB

.text
Size: 3.7MB - Virtual size: 3.7MB

.rdata
Size: 6.9MB - Virtual size: 6.9MB

.data
Size: 292KB - Virtual size: 693KB

.pdata
Size: 96KB - Virtual size: 95KB

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

/4
Size: 512B - Virtual size: 297B

/19
Size: 668KB - Virtual size: 668KB

/32
Size: 149KB - Virtual size: 149KB

/46
Size: 512B - Virtual size: 24B

/65
Size: 1.3MB - Virtual size: 1.3MB

/78
Size: 854KB - Virtual size: 854KB

/90
Size: 242KB - Virtual size: 242KB

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

.reloc
Size: 83KB - Virtual size: 82KB

.symtab
Size: 743KB - Virtual size: 742KB