a2245cfe9e50b04c195ab5c29c8efb47

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General

Target

a2245cfe9e50b04c195ab5c29c8efb47
Size

27KB
MD5

a2245cfe9e50b04c195ab5c29c8efb47
SHA1

aa29a39cfe5fd4f03dbc27afa0ce1fcc749d5ede
SHA256

fbb5513386e49ed00a8492b30cf78209970720c73643c5639d74a487790f3e1e
SHA512

106d47f2b1a830cd3d9617ebb01358161fae13e8b393a3aff7df795ce644fff4a0c2f78632d8031d8b1806a69b29486036adb7e3afd3c2fd6ff1e463a2097cff
SSDEEP

384:MAHFuiyB4KpjuXIi11jtyyXeAabSm5ym88B25Oa2AcUmQlp3lbsYZwphnPlaW:MAHQbB4KpjuR1By+f3TV592bUntenPN

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

a2245cfe9e50b04c195ab5c29c8efb47
.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

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: 56KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 20KB - Virtual size: 20KB

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: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: 37KB - Virtual size: 36KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

DATA
Size: 1024B - Virtual size: 784B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

BSS
Size: - Virtual size: 2KB

IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 2KB - Virtual size: 1KB

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: 3KB - 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: 56KB

UPX1 Size: 20KB - Virtual size: 20KB

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

Headers

File Characteristics

Sections

CODE Size: 37KB - Virtual size: 36KB

DATA Size: 1024B - Virtual size: 784B

BSS Size: - Virtual size: 2KB

.idata Size: 2KB - Virtual size: 1KB

.tls Size: - Virtual size: 8B

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

.reloc Size: 3KB - 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: 56KB

UPX1
Size: 20KB - Virtual size: 20KB

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

CODE
Size: 37KB - Virtual size: 36KB

DATA
Size: 1024B - Virtual size: 784B

BSS
Size: - Virtual size: 2KB

.idata
Size: 2KB - Virtual size: 1KB

.tls
Size: - Virtual size: 8B

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

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

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