21a658c34a3b213e5e2f6d57fc8199b1

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General

Target

21a658c34a3b213e5e2f6d57fc8199b1
Size

474KB
MD5

21a658c34a3b213e5e2f6d57fc8199b1
SHA1

14ed008cd7ed4ad0ff7080fc749059e798e8b75c
SHA256

42daaa360737e68f044fb4730df6d32d7cdc7b7f0aebbe6fbbd0849db8e92a3a
SHA512

69e0d3f258c0b83b8936543e44ea09dfd128f7d4a710419a550965b4ca25c97c8e1510ae2374636949e6ab4dbc554445db642b159c4945c60a2c42f67bbad5a0
SSDEEP

12288:lN/A8C7i+4KCdmWt/ji18C5tqB7fta+BQNw2sQMM0B+5:TVC7i+4KCsk+FtqBzo8Ow2sQMM0B+5

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 1 IoCs

Checks for missing Authenticode signature.

resource
unpack001/out.upx

Files

21a658c34a3b213e5e2f6d57fc8199b1
.exe windows:4 windows x86 arch:x86

Code Sign

2b:ca:6b:fd:ab:7e:56:37:ba:8e:7e:9c:64:00:cc:75
Certificate

Issuer

CN=UTN-USERFirst-Object,OU=http://www.usertrust.com,O=The USERTRUST Network,L=Salt Lake City,ST=UT,C=US

Not Before

02/02/2011, 00:00

Not After

02/02/2012, 23:59

Subject

CN=Install Core,O=Install Core,POSTALCODE=62919,STREET=Nisim Aloni 21,L=Tel Aviv,ST=Tel Aviv,C=IL

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

6a:64:73:43:1e:c0:db:b0:fe:04:6c:16:bd:0c:70:3c:31:0a:3c:a4
Signer

Actual PE Digest

6a:64:73:43:1e:c0:db:b0:fe:04:6c:16:bd:0c:70:3c:31:0a:3c:a4

Digest Algorithm

sha1

PE Digest Matches

true

Headers

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_BYTES_REVERSED_HI

Sections

UPX0
Size: - Virtual size: 636KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 413KB - Virtual size: 416KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 58KB - Virtual size: 60KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
out.upx
.exe windows:4 windows x86 arch:x86

Headers

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_BYTES_REVERSED_HI

Sections

CODE
Size: 716KB - Virtual size: 715KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

DATA
Size: 20KB - Virtual size: 19KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

BSS
Size: - Virtual size: 15KB

IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 12KB - Virtual size: 12KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.tls
Size: - Virtual size: 16B

IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 512B - Virtual size: 24B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 43KB - Virtual size: 42KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 214KB - Virtual size: 214KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Code Sign

2b:ca:6b:fd:ab:7e:56:37:ba:8e:7e:9c:64:00:cc:75Certificate

Extended Key Usages

Key Usages

6a:64:73:43:1e:c0:db:b0:fe:04:6c:16:bd:0c:70:3c:31:0a:3c:a4Signer

Headers

File Characteristics

Sections

UPX0 Size: - Virtual size: 636KB

UPX1 Size: 413KB - Virtual size: 416KB

.rsrc Size: 58KB - Virtual size: 60KB

Headers

File Characteristics

Sections

CODE Size: 716KB - Virtual size: 715KB

DATA Size: 20KB - Virtual size: 19KB

BSS Size: - Virtual size: 15KB

.idata Size: 12KB - Virtual size: 12KB

.tls Size: - Virtual size: 16B

.rdata Size: 512B - Virtual size: 24B

.reloc Size: 43KB - Virtual size: 42KB

.rsrc Size: 214KB - Virtual size: 214KB

2b:ca:6b:fd:ab:7e:56:37:ba:8e:7e:9c:64:00:cc:75
Certificate

6a:64:73:43:1e:c0:db:b0:fe:04:6c:16:bd:0c:70:3c:31:0a:3c:a4
Signer

UPX0
Size: - Virtual size: 636KB

UPX1
Size: 413KB - Virtual size: 416KB

.rsrc
Size: 58KB - Virtual size: 60KB

CODE
Size: 716KB - Virtual size: 715KB

DATA
Size: 20KB - Virtual size: 19KB

BSS
Size: - Virtual size: 15KB

.idata
Size: 12KB - Virtual size: 12KB

.tls
Size: - Virtual size: 16B

.rdata
Size: 512B - Virtual size: 24B

.reloc
Size: 43KB - Virtual size: 42KB

.rsrc
Size: 214KB - Virtual size: 214KB