803a4ca7a8f11fd391f3fcc32d6c9c951960eb47eb9dd0e4cfdf1ab58683eb85

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General

Target

803a4ca7a8f11fd391f3fcc32d6c9c951960eb47eb9dd0e4cfdf1ab58683eb85
Size

24KB
MD5

5c511c126124e84decd529e68b968134
SHA1

48e63d38b02af75b05440b376ee441177a68615d
SHA256

803a4ca7a8f11fd391f3fcc32d6c9c951960eb47eb9dd0e4cfdf1ab58683eb85
SHA512

a8efa90f3cbfda63c9a06def653105eb38b33a49d1dd8df83fb82a36f901f2a514d9cca916f5c7e615d5ef635b5a6fd5d8310434a6f63325d09210e60e27d3db
SSDEEP

384:PXe71VRtTh3YVs+XLnVyCMQrLCkscTr9nR4h8ClalFLUoQExtS+Cpk1+nZulO:YPtTkXzVyCMQr2kxTITYFLUoQqtUCwn5

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

803a4ca7a8f11fd391f3fcc32d6c9c951960eb47eb9dd0e4cfdf1ab58683eb85
.exe windows 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

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

19:de:e7:70:5e:fd:20:8f:d1:8a:d5:78:41:d2:fb:96
Certificate

Issuer

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

Not Before

19/10/2007, 00:00

Not After

18/10/2008, 23:59

Subject

CN=BASE ACTIVITIES LIMITED,OU=Web,O=BASE ACTIVITIES LIMITED,L=London,ST=London,C=GB

Extended Key Usages

ExtKeyUsageCodeSigning
ExtKeyUsageMicrosoftCommercialCodeSigning

Signer

Actual PE Digest

Digest Algorithm

PE Digest Matches

false

Headers

File Characteristics

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: 56KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 17KB - Virtual size: 20KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
out.upx
.exe windows x86

Headers

File Characteristics

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: 37KB - Virtual size: 37KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

DATA
Size: 512B - Virtual size: 356B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

BSS
Size: - Virtual size: 1KB

IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.tls
Size: - Virtual size: 4B

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: 3KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Code Sign

01Certificate

0aCertificate

Extended Key Usages

Key Usages

19:de:e7:70:5e:fd:20:8f:d1:8a:d5:78:41:d2:fb:96Certificate

Extended Key Usages

Signer

Headers

File Characteristics

Sections

UPX0 Size: - Virtual size: 56KB

UPX1 Size: 17KB - Virtual size: 20KB

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

Headers

File Characteristics

Sections

CODE Size: 37KB - Virtual size: 37KB

DATA Size: 512B - Virtual size: 356B

BSS Size: - Virtual size: 1KB

.idata Size: 1KB - Virtual size: 1KB

.tls Size: - Virtual size: 4B

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

.reloc Size: 3KB - Virtual size: 2KB

.rsrc Size: 1KB - Virtual size: 1KB

01
Certificate

0a
Certificate

19:de:e7:70:5e:fd:20:8f:d1:8a:d5:78:41:d2:fb:96
Certificate

UPX0
Size: - Virtual size: 56KB

UPX1
Size: 17KB - Virtual size: 20KB

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

CODE
Size: 37KB - Virtual size: 37KB

DATA
Size: 512B - Virtual size: 356B

BSS
Size: - Virtual size: 1KB

.idata
Size: 1KB - Virtual size: 1KB

.tls
Size: - Virtual size: 4B

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

.reloc
Size: 3KB - Virtual size: 2KB

.rsrc
Size: 1KB - Virtual size: 1KB