31f691a41d74a60b9aff73408cd283279402cb3642ebcb971541cd007e75b12f

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General

Target

31f691a41d74a60b9aff73408cd283279402cb3642ebcb971541cd007e75b12f
Size

1.0MB
MD5

0734199530d7148ff3600fad1ed69636
SHA1

aefef076e6caa37956ae804b53e12f95a73a52ed
SHA256

31f691a41d74a60b9aff73408cd283279402cb3642ebcb971541cd007e75b12f
SHA512

2c240f397f7f88dedae8c638c62dd27773594b818d22546e1c763c15a0dcc2b9533d2ca09e8b5cfb7f4967c972740b426c763315089c579b57930744ce52d9c9
SSDEEP

24576:5RT5GbrtQZYNCtXTYt82DW7XAiDUwczSiPnttfQUV9PWe2YtK/P5:5RTeDNeXszDEXNAfQUV9uejU/R

Score

10^/10

upx

Malware Config

Signatures

UPX dump on OEP (original entry point) 1 IoCs

resource	yara_rule
sample	UPX

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

31f691a41d74a60b9aff73408cd283279402cb3642ebcb971541cd007e75b12f
.exe windows:5 windows x86 arch: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

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

19:6d:f8:a7
Certificate

Issuer

CN=Certification Authority of WoSign,O=WoSign eCommerce Services Limited,C=CN

Not Before

08/08/2012, 01:00

Not After

08/08/2027, 01:00

Subject

CN=WoSign Class 3 Code Signing CA,O=WoSign eCommerce Services Limited,C=CN

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

15:12:a6:ec:6e:37:15
Certificate

Issuer

CN=WoSign Class 3 Code Signing CA,O=WoSign eCommerce Services Limited,C=CN

Not Before

07/10/2013, 19:58

Not After

11/10/2016, 04:39

Subject

CN=上海恺英网络科技有限公司,O=上海恺英网络科技有限公司,L=上海市,ST=上海市,C=CN,1.2.840.113549.1.9.1=#0c126e696e676279406b696e676e65742e636f6d

Extended Key Usages

ExtKeyUsageCodeSigning
ExtKeyUsageMicrosoftCommercialCodeSigning

Key Usages

KeyUsageDigitalSignature

3d
Certificate

Issuer

CN=StartCom Certification Authority,OU=Secure Digital Certificate Signing,O=StartCom Ltd.,C=IL

Not Before

01/03/2011, 01:00

Not After

01/03/2016, 01:00

Subject

CN=Certification Authority of WoSign,O=WoSign eCommerce Services Limited,C=CN

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

3e:8b:82:a1:3e:3c:ee:71:f1:9e:dc:99:df:f9:83:a3:21:99:52:3d
Signer

Actual PE Digest

3e:8b:82:a1:3e:3c:ee:71:f1:9e:dc:99:df:f9:83:a3:21:99:52:3d

Digest Algorithm

sha1

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Sections

UPX0
Size: - Virtual size: 1.3MB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 700KB - Virtual size: 704KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 36KB - Virtual size: 40KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
out.upx
.exe windows:5 windows x86 arch:x86

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Sections

.text
Size: 1.3MB - Virtual size: 1.3MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 309KB - Virtual size: 308KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 26KB - Virtual size: 86KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 49KB - Virtual size: 49KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 172KB - Virtual size: 172KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
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

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

Extended Key Usages

Key Usages

19:6d:f8:a7Certificate

Key Usages

15:12:a6:ec:6e:37:15Certificate

Extended Key Usages

Key Usages

3dCertificate

Key Usages

3e:8b:82:a1:3e:3c:ee:71:f1:9e:dc:99:df:f9:83:a3:21:99:52:3dSigner

Headers

DLL Characteristics

File Characteristics

Sections

UPX0 Size: - Virtual size: 1.3MB

UPX1 Size: 700KB - Virtual size: 704KB

.rsrc Size: 36KB - Virtual size: 40KB

Headers

DLL Characteristics

File Characteristics

Sections

.text Size: 1.3MB - Virtual size: 1.3MB

.rdata Size: 309KB - Virtual size: 308KB

.data Size: 26KB - Virtual size: 86KB

.rsrc Size: 49KB - Virtual size: 49KB

.reloc Size: 172KB - Virtual size: 172KB

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

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

19:6d:f8:a7
Certificate

15:12:a6:ec:6e:37:15
Certificate

3d
Certificate

3e:8b:82:a1:3e:3c:ee:71:f1:9e:dc:99:df:f9:83:a3:21:99:52:3d
Signer

UPX0
Size: - Virtual size: 1.3MB

UPX1
Size: 700KB - Virtual size: 704KB

.rsrc
Size: 36KB - Virtual size: 40KB

.text
Size: 1.3MB - Virtual size: 1.3MB

.rdata
Size: 309KB - Virtual size: 308KB

.data
Size: 26KB - Virtual size: 86KB

.rsrc
Size: 49KB - Virtual size: 49KB

.reloc
Size: 172KB - Virtual size: 172KB