OemKey[.]exe | Triage

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General

Target

OemKey.exe
Size

1.4MB
MD5

d4ebe429048d91d340a1d3f5689ace0e
SHA1

bcec022b3955fc3aa76e887d7a5826b72060f263
SHA256

290bec729f5dd21229736e12790e276f62554b1fae4989b9544e627878612463
SHA512

aac8134a35814d3ce1673a039d2a30659ed45cc8c7e89d31f66962f3f2b5a42d1b694f708ae09c7d631fc073c50a4e54838d95ce91024f35d6297e1b4a6e7d00
SSDEEP

24576:XLE7HoTunaQgOaMZtRtn5dQyAwAVb+edeDdBO7r+oH4Nk05EVAIdrRgm:A7HoKnLgOPZnF5CyAwA4gudB1oHmWAkT

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

Files

OemKey.exe
.exe windows x86

Code Sign

7e:93:eb:fb:7c:c6:4e:59:ea:4b:9a:77:d4:06:fc:3b
Certificate

Issuer

CN=Thawte Timestamping CA,OU=Thawte Certification,O=Thawte,L=Durbanville,ST=Western Cape,C=ZA

Not Before

21/12/2012, 00:00

Not After

30/12/2020, 23:59

Subject

CN=Symantec Time Stamping Services CA - G2,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

0e:cf:f4:38:c8:fe:bf:35:6e:04:d8:6a:98:1b:1a:50
Certificate

Issuer

CN=Symantec Time Stamping Services CA - G2,O=Symantec Corporation,C=US

Not Before

18/10/2012, 00:00

Not After

29/12/2020, 23:59

Subject

CN=Symantec Time Stamping Services Signer - G4,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

ba:8a:eb:c9:83:ee:22:11:b0:f9:7d:ca:f0:4d:41:4b
Certificate

Issuer

CN=COMODO RSA Code Signing CA,O=COMODO CA Limited,L=Salford,ST=Greater Manchester,C=GB

Not Before

01/10/2014, 00:00

Not After

01/10/2019, 23:59

Subject

CN=NeoSmart Technologies,O=NeoSmart Technologies,POSTALCODE=60634,STREET=4038 N McVicker Ave,L=Wheaton,ST=IL,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

2e:7c:87:cc:0e:93:4a:52:fe:94:fd:1c:b7:cd:34:af
Certificate

Issuer

CN=COMODO RSA Certification Authority,O=COMODO CA Limited,L=Salford,ST=Greater Manchester,C=GB

Not Before

09/05/2013, 00:00

Not After

08/05/2028, 23:59

Subject

CN=COMODO RSA Code Signing CA,O=COMODO CA Limited,L=Salford,ST=Greater Manchester,C=GB

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

a5:fa:12:b4:bc:bd:88:f5:69:01:85:89:70:2f:e1:e5:24:91:cf:1f
Signer

Actual PE Digest

a5:fa:12:b4:bc:bd:88:f5:69:01:85:89:70:2f:e1:e5:24:91:cf:1f

Digest Algorithm

sha1

PE Digest Matches

true

Signature Validations

Trusted

true

Verification

Signing Certificate

CN=NeoSmart Technologies,O=NeoSmart Technologies,POSTALCODE=60634,STREET=4038 N McVicker Ave,L=Wheaton,ST=IL,C=US

04/06/2016, 16:28
Valid: true

Chain 1

CN=NeoSmart Technologies,O=NeoSmart Technologies,POSTALCODE=60634,STREET=4038 N McVicker Ave,L=Wheaton,ST=IL,C=US

CN=COMODO RSA Code Signing CA,O=COMODO CA Limited,L=Salford,ST=Greater Manchester,C=GB

CN=COMODO RSA Certification Authority,O=COMODO CA Limited,L=Salford,ST=Greater Manchester,C=GB

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Sections

UPX0
Size: - Virtual size: 1.9MB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 1.3MB - Virtual size: 1.3MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 108KB - Virtual size: 108KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
out.upx
.exe windows x86

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Sections

.text
Size: 1.3MB - Virtual size: 1.3MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 316KB - Virtual size: 315KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 21KB - Virtual size: 46KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.gfids
Size: 512B - Virtual size: 304B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.tls
Size: 512B - Virtual size: 9B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 1.3MB - Virtual size: 1.3MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 116KB - Virtual size: 116KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Code Sign

7e:93:eb:fb:7c:c6:4e:59:ea:4b:9a:77:d4:06:fc:3bCertificate

Extended Key Usages

Key Usages

0e:cf:f4:38:c8:fe:bf:35:6e:04:d8:6a:98:1b:1a:50Certificate

Extended Key Usages

Key Usages

ba:8a:eb:c9:83:ee:22:11:b0:f9:7d:ca:f0:4d:41:4bCertificate

Extended Key Usages

Key Usages

2e:7c:87:cc:0e:93:4a:52:fe:94:fd:1c:b7:cd:34:afCertificate

Extended Key Usages

Key Usages

a5:fa:12:b4:bc:bd:88:f5:69:01:85:89:70:2f:e1:e5:24:91:cf:1fSigner

Signature Validations

Verification

04/06/2016, 16:28 Valid: true

Chain 1

Headers

DLL Characteristics

File Characteristics

Sections

UPX0 Size: - Virtual size: 1.9MB

UPX1 Size: 1.3MB - Virtual size: 1.3MB

.rsrc Size: 108KB - Virtual size: 108KB

Headers

DLL Characteristics

File Characteristics

Sections

.text Size: 1.3MB - Virtual size: 1.3MB

.rdata Size: 316KB - Virtual size: 315KB

.data Size: 21KB - Virtual size: 46KB

.gfids Size: 512B - Virtual size: 304B

.tls Size: 512B - Virtual size: 9B

.rsrc Size: 1.3MB - Virtual size: 1.3MB

.reloc Size: 116KB - Virtual size: 116KB

7e:93:eb:fb:7c:c6:4e:59:ea:4b:9a:77:d4:06:fc:3b
Certificate

0e:cf:f4:38:c8:fe:bf:35:6e:04:d8:6a:98:1b:1a:50
Certificate

ba:8a:eb:c9:83:ee:22:11:b0:f9:7d:ca:f0:4d:41:4b
Certificate

2e:7c:87:cc:0e:93:4a:52:fe:94:fd:1c:b7:cd:34:af
Certificate

a5:fa:12:b4:bc:bd:88:f5:69:01:85:89:70:2f:e1:e5:24:91:cf:1f
Signer

04/06/2016, 16:28
Valid: true

UPX0
Size: - Virtual size: 1.9MB

UPX1
Size: 1.3MB - Virtual size: 1.3MB

.rsrc
Size: 108KB - Virtual size: 108KB

.text
Size: 1.3MB - Virtual size: 1.3MB

.rdata
Size: 316KB - Virtual size: 315KB

.data
Size: 21KB - Virtual size: 46KB

.gfids
Size: 512B - Virtual size: 304B

.tls
Size: 512B - Virtual size: 9B

.rsrc
Size: 1.3MB - Virtual size: 1.3MB

.reloc
Size: 116KB - Virtual size: 116KB