4b8f56ace900c33170ff60622a8cd2f0e75c81934fd6966823480ef2d2a8e831

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General

Target

4b8f56ace900c33170ff60622a8cd2f0e75c81934fd6966823480ef2d2a8e831
Size

77KB
MD5

a4a7486807f743a2fe4235ab7b2ecb19
SHA1

4c09ff251eaaab6bbcb3506a4856456c35135136
SHA256

4b8f56ace900c33170ff60622a8cd2f0e75c81934fd6966823480ef2d2a8e831
SHA512

e8fa62bb30afe3ca3bc894fccef1dab40facc8119d63618327dab538a39aa7490b90131efec4e7df76019ee18192e0ac774364fb6beb26401e896acbae2cf46d
SSDEEP

1536:AzYcg/UDYnTgvHArQgU8joX7fANmUi0hf87KOlC8q7uVjQDsU6Tc/:AzYctYTEKUUOMD5982OkuVQsUM2

Score

8^/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

Files

4b8f56ace900c33170ff60622a8cd2f0e75c81934fd6966823480ef2d2a8e831
.exe windows x86

Code Sign

7e:93:eb:fb:7c:c6:4e:59:ea:4b:9a:77:d4:06:fc:3b
Certificate

Issuer

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

Not Before

21/12/2012, 00:00

Not After

30/12/2020, 23:59

Subject

CN=Symantec Time Stamping Services CA - G2,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

5c:48:6b:28:67:4f:e1:18:25:14:00:31:1c:a9:13:d9
Certificate

Issuer

CN=Thawte Code Signing CA - G2,O=Thawte\, Inc.,C=US

Not Before

03/07/2013, 00:00

Not After

02/08/2014, 23:59

Subject

CN=UCF,O=UCF,L=Haewoondae-gu,ST=BUSAN,C=KR

Extended Key Usages

ExtKeyUsageCodeSigning
ExtKeyUsageMicrosoftCommercialCodeSigning

47:97:4d:78:73:a5:bc:ab:0d:2f:b3:70:19:2f:ce:5e
Certificate

Issuer

CN=thawte Primary Root CA,OU=Certification Services Division+OU=(c) 2006 thawte\, Inc. - For authorized use only,O=thawte\, Inc.,C=US

Not Before

08/02/2010, 00:00

Not After

07/02/2020, 23:59

Subject

CN=Thawte Code Signing CA - G2,O=Thawte\, Inc.,C=US

Extended Key Usages

ExtKeyUsageClientAuth
ExtKeyUsageCodeSigning

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

0e:cf:f4:38:c8:fe:bf:35:6e:04:d8:6a:98:1b:1a:50
Certificate

Issuer

CN=Symantec Time Stamping Services CA - G2,O=Symantec Corporation,C=US

Not Before

18/10/2012, 00:00

Not After

29/12/2020, 23:59

Subject

CN=Symantec Time Stamping Services Signer - G4,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

3b:20:b8:7b:39:3c:84:2d:c0:94:21:4d:a7:4a:28:ce:e4:3c:b1:09
Signer

Actual PE Digest

3b:20:b8:7b:39:3c:84:2d:c0:94:21:4d:a7:4a:28:ce:e4:3c:b1:09

Digest Algorithm

sha1

PE Digest Matches

true

Signature Validations

Trusted

false

Verification

Signing Certificate

CN=UCF,O=UCF,L=Haewoondae-gu,ST=BUSAN,C=KR

24/10/2013, 07:27
Valid: 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: 124KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 63KB - Virtual size: 64KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 8KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
out.upx
.exe windows 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: 96KB - Virtual size: 93KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 20KB - Virtual size: 18KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 16KB - Virtual size: 42KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 16KB - Virtual size: 13KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Code Sign

7e:93:eb:fb:7c:c6:4e:59:ea:4b:9a:77:d4:06:fc:3bCertificate

Extended Key Usages

Key Usages

5c:48:6b:28:67:4f:e1:18:25:14:00:31:1c:a9:13:d9Certificate

Extended Key Usages

47:97:4d:78:73:a5:bc:ab:0d:2f:b3:70:19:2f:ce:5eCertificate

Extended Key Usages

Key Usages

0e:cf:f4:38:c8:fe:bf:35:6e:04:d8:6a:98:1b:1a:50Certificate

Extended Key Usages

Key Usages

3b:20:b8:7b:39:3c:84:2d:c0:94:21:4d:a7:4a:28:ce:e4:3c:b1:09Signer

Signature Validations

Verification

24/10/2013, 07:27 Valid: false

Headers

File Characteristics

Sections

UPX0 Size: - Virtual size: 124KB

UPX1 Size: 63KB - Virtual size: 64KB

.rsrc Size: 8KB - Virtual size: 8KB

Headers

File Characteristics

Sections

.text Size: 96KB - Virtual size: 93KB

.rdata Size: 20KB - Virtual size: 18KB

.data Size: 16KB - Virtual size: 42KB

.rsrc Size: 16KB - Virtual size: 13KB

7e:93:eb:fb:7c:c6:4e:59:ea:4b:9a:77:d4:06:fc:3b
Certificate

5c:48:6b:28:67:4f:e1:18:25:14:00:31:1c:a9:13:d9
Certificate

47:97:4d:78:73:a5:bc:ab:0d:2f:b3:70:19:2f:ce:5e
Certificate

0e:cf:f4:38:c8:fe:bf:35:6e:04:d8:6a:98:1b:1a:50
Certificate

3b:20:b8:7b:39:3c:84:2d:c0:94:21:4d:a7:4a:28:ce:e4:3c:b1:09
Signer

24/10/2013, 07:27
Valid: false

UPX0
Size: - Virtual size: 124KB

UPX1
Size: 63KB - Virtual size: 64KB

.rsrc
Size: 8KB - Virtual size: 8KB

.text
Size: 96KB - Virtual size: 93KB

.rdata
Size: 20KB - Virtual size: 18KB

.data
Size: 16KB - Virtual size: 42KB

.rsrc
Size: 16KB - Virtual size: 13KB