81da3871b9390a4b96294d7a83f38fc4[.]bin

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General

Target

81da3871b9390a4b96294d7a83f38fc4.bin
Size

443KB
MD5

81da3871b9390a4b96294d7a83f38fc4
SHA1

1de39e3f73c9628f9ed153e5d76e958fa56033d0
SHA256

9fe6543c4117d69c764969e2197bbaca0a39c168c9a3a04f35f5f54432897954
SHA512

e2d89017c87d4336aa11360192ad08b9ef537120124836f997917d2bb69fa66b97e312f6ea6f04a0b9804072431d8f550624d071206ec571e641a2e923d99990
SSDEEP

6144:ZA+SBz0oAt5c/572jwhhwVgS0YYljRKSVAQSeTrJQOcsPWWqXMsZ1RdHnW++PgqS:yBzKc/5721VghlVP1TlQEW5XvzjJqed

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

81da3871b9390a4b96294d7a83f38fc4.bin
.exe windows:4 windows x86 arch:x86

Code Sign

04:68:e1:d3:69:fe:2a:5f:2a:a4:8e:ac:33:61:5a:0b
Certificate

Issuer

CN=DigiCert Assured ID CA-1,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

22/05/2011, 00:00

Not After

05/06/2012, 00:00

Subject

CN=DigiCert Timestamp Responder,O=DigiCert,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageContentCommitment

02:03:d2:f5:e7:ab:e9:3e:2f:c7:2b:d3:38:1c:32:c0
Certificate

Issuer

CN=DigiCert High Assurance Code Signing CA-1,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

09/07/2011, 00:00

Not After

12/07/2013, 12:00

Subject

CN=CBS Interactive\, Inc.,O=CBS Interactive\, Inc.,L=San Francisco,ST=California,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

08:1c:57:ee:5d:70:eb:9b:a0:b1:52:0c:72:9c:1b:09
Certificate

Issuer

CN=DigiCert High Assurance EV Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

10/02/2011, 12:00

Not After

10/02/2026, 12:00

Subject

CN=DigiCert High Assurance Code Signing CA-1,OU=www.digicert.com,O=DigiCert Inc,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

0a:04:df:21:74:5d:4d:2b:8c:ea:33:72:05:00:50:e9
Certificate

Issuer

CN=DigiCert Assured ID Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

10/11/2006, 00:00

Not After

10/11/2021, 00:00

Subject

CN=DigiCert Assured ID CA-1,OU=www.digicert.com,O=DigiCert Inc,C=US

Extended Key Usages

ExtKeyUsageServerAuth
ExtKeyUsageClientAuth
ExtKeyUsageCodeSigning
ExtKeyUsageEmailProtection
ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

bf:c9:40:bc:a2:40:65:fb:08:96:7e:0a:21:89:1a:91:0b:a2:05:a1
Signer

Actual PE Digest

bf:c9:40:bc:a2:40:65:fb:08:96:7e:0a:21:89:1a:91:0b:a2:05:a1

Digest Algorithm

sha1

PE Digest Matches

true

Headers

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
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: 636KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 378KB - Virtual size: 380KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 56KB - Virtual size: 60KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
out.upx
.exe windows:4 windows x86 arch:x86

Headers

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
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: 728KB - Virtual size: 727KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

DATA
Size: 20KB - Virtual size: 19KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

BSS
Size: - Virtual size: 15KB

IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 13KB - Virtual size: 12KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.tls
Size: - Virtual size: 16B

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: 44KB - Virtual size: 44KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 164KB - Virtual size: 163KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Code Sign

04:68:e1:d3:69:fe:2a:5f:2a:a4:8e:ac:33:61:5a:0bCertificate

Extended Key Usages

Key Usages

02:03:d2:f5:e7:ab:e9:3e:2f:c7:2b:d3:38:1c:32:c0Certificate

Extended Key Usages

Key Usages

08:1c:57:ee:5d:70:eb:9b:a0:b1:52:0c:72:9c:1b:09Certificate

Extended Key Usages

Key Usages

0a:04:df:21:74:5d:4d:2b:8c:ea:33:72:05:00:50:e9Certificate

Extended Key Usages

Key Usages

bf:c9:40:bc:a2:40:65:fb:08:96:7e:0a:21:89:1a:91:0b:a2:05:a1Signer

Headers

File Characteristics

Sections

UPX0 Size: - Virtual size: 636KB

UPX1 Size: 378KB - Virtual size: 380KB

.rsrc Size: 56KB - Virtual size: 60KB

Headers

File Characteristics

Sections

CODE Size: 728KB - Virtual size: 727KB

DATA Size: 20KB - Virtual size: 19KB

BSS Size: - Virtual size: 15KB

.idata Size: 13KB - Virtual size: 12KB

.tls Size: - Virtual size: 16B

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

.reloc Size: 44KB - Virtual size: 44KB

.rsrc Size: 164KB - Virtual size: 163KB

04:68:e1:d3:69:fe:2a:5f:2a:a4:8e:ac:33:61:5a:0b
Certificate

02:03:d2:f5:e7:ab:e9:3e:2f:c7:2b:d3:38:1c:32:c0
Certificate

08:1c:57:ee:5d:70:eb:9b:a0:b1:52:0c:72:9c:1b:09
Certificate

0a:04:df:21:74:5d:4d:2b:8c:ea:33:72:05:00:50:e9
Certificate

bf:c9:40:bc:a2:40:65:fb:08:96:7e:0a:21:89:1a:91:0b:a2:05:a1
Signer

UPX0
Size: - Virtual size: 636KB

UPX1
Size: 378KB - Virtual size: 380KB

.rsrc
Size: 56KB - Virtual size: 60KB

CODE
Size: 728KB - Virtual size: 727KB

DATA
Size: 20KB - Virtual size: 19KB

BSS
Size: - Virtual size: 15KB

.idata
Size: 13KB - Virtual size: 12KB

.tls
Size: - Virtual size: 16B

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

.reloc
Size: 44KB - Virtual size: 44KB

.rsrc
Size: 164KB - Virtual size: 163KB