59ef42861e58405a22b148c558eb2506

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General

Target

59ef42861e58405a22b148c558eb2506
Size

23KB
MD5

59ef42861e58405a22b148c558eb2506
SHA1

3271cd9c9482c5d215485c307cb34c87e77d56e7
SHA256

91119712cc54de3e516f93172963e3b3e3d3ce32de8fe3288245d205179d27fc
SHA512

0cab138042d6476ee6beb45f2907a61775258cc28ca0f2030dcbc6e96046d22f10101df1369b518d85d0bf91687d65d48afdcdaeb006cca3909c39c6b9042736
SSDEEP

384:w71VRtTh3IVs+XLnVy9P75NeleqK+i8ClgsZQf9cMwQLOnVSi3R0GYenZQDVi:CPtTUXzVy9TfqK9tgSnKkn7

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

59ef42861e58405a22b148c558eb2506
.exe windows:1 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

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: 52KB

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:1 windows x86 arch: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: 35KB - Virtual size: 35KB

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: 52KB

UPX1 Size: 17KB - Virtual size: 20KB

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

Headers

File Characteristics

Sections

CODE Size: 35KB - Virtual size: 35KB

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: 52KB

UPX1
Size: 17KB - Virtual size: 20KB

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

CODE
Size: 35KB - Virtual size: 35KB

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