b74ff77717d1cb6c72503c05a103c709

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General

Target

b74ff77717d1cb6c72503c05a103c709
Size

87KB
MD5

b74ff77717d1cb6c72503c05a103c709
SHA1

4d349cc6af444fb657ae78b03c5e0029a09d2f89
SHA256

e18ff611b4819be98c54013bba8ea67f5669d53bade72f84b0887c48cab0f305
SHA512

ffc90f5ded03d9d86edb7ff28bd68953c543c23b5080a9d68897f56a8df4ea68b71c76c0289232f7a93f4d43b416fa243d427abbf9f6d6cd7180cef5e34a88ff
SSDEEP

1536:usfXh6ZgfFyoNCoGEvxkSCgy6xUDYhzUgvCbRbCzpVJc7sbHoT4UxC/pNnvq:LfXh6ZgfFyhE/CMxVhAsmcbDfNnS

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

b74ff77717d1cb6c72503c05a103c709
.exe windows:4 windows x86 arch:x86

Code Sign

01
Certificate

Issuer

CN=Thawte Premium Server CA,OU=Certification Services Division,O=Thawte Consulting cc,L=Cape Town,ST=Western Cape,C=ZA,1.2.840.113549.1.9.1=#0c197072656d69756d2d736572766572407468617774652e636f6d

Not Before

01/08/1996, 00:00

Not After

31/12/2020, 23:59

Subject

CN=Thawte Premium Server CA,OU=Certification Services Division,O=Thawte Consulting cc,L=Cape Town,ST=Western Cape,C=ZA,1.2.840.113549.1.9.1=#0c197072656d69756d2d736572766572407468617774652e636f6d

33:c9:4b:e6:07:a8:fc:a7:65:27:50:3b:c6:f9:94:0a
Certificate

Issuer

CN=Thawte Code Signing CA,O=Thawte Consulting (Pty) Ltd.,C=ZA

Not Before

17/11/2009, 00:00

Not After

17/12/2010, 23:59

Subject

CN=nbiz Ltd.,OU=Development Department,O=nbiz Ltd.,L=Gangnam-gu,ST=Seoul,C=KR

Extended Key Usages

ExtKeyUsageCodeSigning
ExtKeyUsageMicrosoftCommercialCodeSigning

0a
Certificate

Issuer

CN=Thawte Premium Server CA,OU=Certification Services Division,O=Thawte Consulting cc,L=Cape Town,ST=Western Cape,C=ZA,1.2.840.113549.1.9.1=#0c197072656d69756d2d736572766572407468617774652e636f6d

Not Before

06/08/2003, 00:00

Not After

05/08/2013, 23:59

Subject

CN=Thawte Code Signing CA,O=Thawte Consulting (Pty) Ltd.,C=ZA

Extended Key Usages

ExtKeyUsageClientAuth
ExtKeyUsageCodeSigning

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

38:25:d7:fa:f8:61:af:9e:f4:90:e7:26:b5:d6:5a:d5
Certificate

Issuer

CN=VeriSign Time Stamping Services CA,O=VeriSign\, Inc.,C=US

Not Before

15/06/2007, 00:00

Not After

14/06/2012, 23:59

Subject

CN=VeriSign Time Stamping Services Signer - G2,O=VeriSign\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageContentCommitment

47:bf:19:95:df:8d:52:46:43:f7:db:6d:48:0d:31:a4
Certificate

Issuer

CN=Thawte Timestamping CA,OU=Thawte Certification,O=Thawte,L=Durbanville,ST=Western Cape,C=ZA

Not Before

04/12/2003, 00:00

Not After

03/12/2013, 23:59

Subject

CN=VeriSign Time Stamping Services CA,O=VeriSign\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

Signer

Actual PE Digest

Digest Algorithm

PE Digest Matches

false

Headers

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE

Sections

UPX0
Size: - Virtual size: 164KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 79KB - Virtual size: 80KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 2KB - Virtual size: 4KB

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_32BIT_MACHINE

Sections

.text
Size: 16KB - Virtual size: 15KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 8KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 4KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 208KB - Virtual size: 204KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Code Sign

01Certificate

33:c9:4b:e6:07:a8:fc:a7:65:27:50:3b:c6:f9:94:0aCertificate

Extended Key Usages

0aCertificate

Extended Key Usages

Key Usages

38:25:d7:fa:f8:61:af:9e:f4:90:e7:26:b5:d6:5a:d5Certificate

Extended Key Usages

Key Usages

47:bf:19:95:df:8d:52:46:43:f7:db:6d:48:0d:31:a4Certificate

Extended Key Usages

Key Usages

Signer

Headers

File Characteristics

Sections

UPX0 Size: - Virtual size: 164KB

UPX1 Size: 79KB - Virtual size: 80KB

.rsrc Size: 2KB - Virtual size: 4KB

Headers

File Characteristics

Sections

.text Size: 16KB - Virtual size: 15KB

.rdata Size: 8KB - Virtual size: 5KB

.data Size: 4KB - Virtual size: 1KB

.rsrc Size: 208KB - Virtual size: 204KB

01
Certificate

33:c9:4b:e6:07:a8:fc:a7:65:27:50:3b:c6:f9:94:0a
Certificate

0a
Certificate

38:25:d7:fa:f8:61:af:9e:f4:90:e7:26:b5:d6:5a:d5
Certificate

47:bf:19:95:df:8d:52:46:43:f7:db:6d:48:0d:31:a4
Certificate

UPX0
Size: - Virtual size: 164KB

UPX1
Size: 79KB - Virtual size: 80KB

.rsrc
Size: 2KB - Virtual size: 4KB

.text
Size: 16KB - Virtual size: 15KB

.rdata
Size: 8KB - Virtual size: 5KB

.data
Size: 4KB - Virtual size: 1KB

.rsrc
Size: 208KB - Virtual size: 204KB