b99cf7ebd710bbaeaffa84574857062462f99b93b415d5a515fdef56f9ec6d0f

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General

Target

b99cf7ebd710bbaeaffa84574857062462f99b93b415d5a515fdef56f9ec6d0f
Size

24KB
MD5

fe71b8275ecf92f05babac418b9bc5cd
SHA1

0a6b99f92ccda5fa7a55d9540e5b4a649d943cbf
SHA256

b99cf7ebd710bbaeaffa84574857062462f99b93b415d5a515fdef56f9ec6d0f
SHA512

bb77aa97d4531f2a13246295dca606dbedcf61f919863ce38ea5f37caea832c9326bd02bfd263993d6c576bfadd06809e10cc59489f813b283983f2c2da600bf
SSDEEP

384:6ch7fqRTQffxCbpBQ1XmI3dKH0ZDyC2oUnXDumpaVQCnUYVJSiS+zAWzn+uuPi3P:Ph7C52xVT4HvCBUb4VQAUaS+3nHR

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

b99cf7ebd710bbaeaffa84574857062462f99b93b415d5a515fdef56f9ec6d0f
.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

7f:2a:70:23:f2:66:e9:d0:d0:07:71:ea:43:97:dc:3a
Certificate

Issuer

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

Not Before

16/09/2008, 00:00

Not After

18/10/2009, 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: 60KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 18KB - Virtual size: 20KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 1024B - 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: 40KB - Virtual size: 40KB

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: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 512B - Virtual size: 512B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Code Sign

01Certificate

0aCertificate

Extended Key Usages

Key Usages

7f:2a:70:23:f2:66:e9:d0:d0:07:71:ea:43:97:dc:3aCertificate

Extended Key Usages

Signer

Headers

File Characteristics

Sections

UPX0 Size: - Virtual size: 60KB

UPX1 Size: 18KB - Virtual size: 20KB

.rsrc Size: 1024B - Virtual size: 4KB

Headers

File Characteristics

Sections

CODE Size: 40KB - Virtual size: 40KB

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: 3KB

.rsrc Size: 512B - Virtual size: 512B

01
Certificate

0a
Certificate

7f:2a:70:23:f2:66:e9:d0:d0:07:71:ea:43:97:dc:3a
Certificate

UPX0
Size: - Virtual size: 60KB

UPX1
Size: 18KB - Virtual size: 20KB

.rsrc
Size: 1024B - Virtual size: 4KB

CODE
Size: 40KB - Virtual size: 40KB

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: 3KB

.rsrc
Size: 512B - Virtual size: 512B