31458510941f39ef37a787c51fd5e976

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General

Target

31458510941f39ef37a787c51fd5e976
Size

452KB
MD5

31458510941f39ef37a787c51fd5e976
SHA1

73163da6416e610c9e4e0cf5eac82bf3b5b2920d
SHA256

50e183f867ce015b6489c736d563d52ab6b752f3638e9a83c183204e2ba98c59
SHA512

5a6fa42ac279feab5b2e5633ba1364fdc396ac2a327022f22029d324d803686b132720e974de240bf66824a310e5bf9a36ff41f591be0aa1aeec137fa9c5dd1a
SSDEEP

12288:sGFP4rsBRjSLvxZqWPo3jTza+YoH34kc9dtjkvi:ZJw4iloja+Yp9dtjkvi

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

31458510941f39ef37a787c51fd5e976
.exe windows:4 windows x86 arch:x86

Code Sign

07:1a:76:01:07:b4:de:79:3c:d4:8c:0e:da:1d:f0:b5
Certificate

Issuer

CN=VeriSign Class 3 Code Signing 2010 CA,OU=VeriSign Trust Network+OU=Terms of use at https://www.verisign.com/rpa (c)10,O=VeriSign\, Inc.,C=US

Not Before

05/08/2011, 00:00

Not After

04/08/2013, 23:59

Subject

CN=CBS Interactive,OU=Digital ID Class 3 - Microsoft Software Validation v2,O=CBS Interactive,L=San Francisco,ST=California,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

52:00:e5:aa:25:56:fc:1a:86:ed:96:c9:d4:4b:33:c7
Certificate

Issuer

CN=VeriSign Class 3 Public Primary Certification Authority - G5,OU=VeriSign Trust Network+OU=(c) 2006 VeriSign\, Inc. - For authorized use only,O=VeriSign\, Inc.,C=US

Not Before

08/02/2010, 00:00

Not After

07/02/2020, 23:59

Subject

CN=VeriSign Class 3 Code Signing 2010 CA,OU=VeriSign Trust Network+OU=Terms of use at https://www.verisign.com/rpa (c)10,O=VeriSign\, Inc.,C=US

Extended Key Usages

ExtKeyUsageClientAuth
ExtKeyUsageCodeSigning

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

02:94:a5:26:0e:2c:06:85:c8:80:cc:80:02:79:71:52:23:27:41:84
Signer

Actual PE Digest

02:94:a5:26:0e:2c:06:85:c8:80:cc:80:02:79:71:52:23:27:41:84

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: 620KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 406KB - Virtual size: 408KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 41KB - Virtual size: 44KB

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: 734KB - Virtual size: 733KB

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: 13KB - 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: 44KB - Virtual size: 44KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 168KB - Virtual size: 167KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Code Sign

07:1a:76:01:07:b4:de:79:3c:d4:8c:0e:da:1d:f0:b5Certificate

Extended Key Usages

Key Usages

52:00:e5:aa:25:56:fc:1a:86:ed:96:c9:d4:4b:33:c7Certificate

Extended Key Usages

Key Usages

02:94:a5:26:0e:2c:06:85:c8:80:cc:80:02:79:71:52:23:27:41:84Signer

Headers

File Characteristics

Sections

UPX0 Size: - Virtual size: 620KB

UPX1 Size: 406KB - Virtual size: 408KB

.rsrc Size: 41KB - Virtual size: 44KB

Headers

File Characteristics

Sections

CODE Size: 734KB - Virtual size: 733KB

DATA Size: 20KB - Virtual size: 19KB

BSS Size: - Virtual size: 15KB

.idata Size: 13KB - Virtual size: 12KB

.tls Size: - Virtual size: 16B

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

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

.rsrc Size: 168KB - Virtual size: 167KB

07:1a:76:01:07:b4:de:79:3c:d4:8c:0e:da:1d:f0:b5
Certificate

52:00:e5:aa:25:56:fc:1a:86:ed:96:c9:d4:4b:33:c7
Certificate

02:94:a5:26:0e:2c:06:85:c8:80:cc:80:02:79:71:52:23:27:41:84
Signer

UPX0
Size: - Virtual size: 620KB

UPX1
Size: 406KB - Virtual size: 408KB

.rsrc
Size: 41KB - Virtual size: 44KB

CODE
Size: 734KB - Virtual size: 733KB

DATA
Size: 20KB - Virtual size: 19KB

BSS
Size: - Virtual size: 15KB

.idata
Size: 13KB - Virtual size: 12KB

.tls
Size: - Virtual size: 16B

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

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

.rsrc
Size: 168KB - Virtual size: 167KB