f4425a7808a0c65fa94a43fbecbb238e9aeebb061edec5c22ca1c5d3a494e31f

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General

Target

f4425a7808a0c65fa94a43fbecbb238e9aeebb061edec5c22ca1c5d3a494e31f
Size

28KB
MD5

06e4a287ec4a79bfae20d881a7b386cf
SHA1

a1231315324265100ba4f3b948d881773cb99630
SHA256

f4425a7808a0c65fa94a43fbecbb238e9aeebb061edec5c22ca1c5d3a494e31f
SHA512

60aaf98c291576d06c9171fab86fd46b4ed81bfbf5ce2e2b885af2c617c39fb2180ca27015cab1a99c8814328ecf243686d59a4758b6ec3d83ba621f4b4c8e96
SSDEEP

768:+Gjez+CyCsKaZ1ul8hM6UlhsPmK1UMSGunPvJ:+3z+CytKa/u266UsPm+cfn5

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

f4425a7808a0c65fa94a43fbecbb238e9aeebb061edec5c22ca1c5d3a494e31f
.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

3b:8a:fc:f1:d5:16:2c:2e:6d:9c:46:a6:5b:5f:b4:24
Certificate

Issuer

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

Not Before

13-01-2006 00:00

Not After

13-01-2008 23:59

Subject

CN=FAST TRACK Sp. zo. o.,OU=Secure Application Development,O=FAST TRACK Sp. zo. o.,L=Warszavie,ST=Warszavie,C=PL

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: 20KB - Virtual size: 24KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 3KB - 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: 36KB - Virtual size: 35KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

DATA
Size: 1KB - Virtual size: 1KB

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: 2KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.tls
Size: - Virtual size: 8B

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: 2KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 3KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Code Sign

01Certificate

0aCertificate

Extended Key Usages

Key Usages

3b:8a:fc:f1:d5:16:2c:2e:6d:9c:46:a6:5b:5f:b4:24Certificate

Extended Key Usages

Signer

Headers

File Characteristics

Sections

UPX0 Size: - Virtual size: 52KB

UPX1 Size: 20KB - Virtual size: 24KB

.rsrc Size: 3KB - Virtual size: 4KB

Headers

File Characteristics

Sections

CODE Size: 36KB - Virtual size: 35KB

DATA Size: 1KB - Virtual size: 1KB

BSS Size: - Virtual size: 1KB

.idata Size: 2KB - Virtual size: 2KB

.tls Size: - Virtual size: 8B

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

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

.rsrc Size: 3KB - Virtual size: 3KB

01
Certificate

0a
Certificate

3b:8a:fc:f1:d5:16:2c:2e:6d:9c:46:a6:5b:5f:b4:24
Certificate

UPX0
Size: - Virtual size: 52KB

UPX1
Size: 20KB - Virtual size: 24KB

.rsrc
Size: 3KB - Virtual size: 4KB

CODE
Size: 36KB - Virtual size: 35KB

DATA
Size: 1KB - Virtual size: 1KB

BSS
Size: - Virtual size: 1KB

.idata
Size: 2KB - Virtual size: 2KB

.tls
Size: - Virtual size: 8B

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

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

.rsrc
Size: 3KB - Virtual size: 3KB