smsniff[.]exe | Triage

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General

Target

smsniff.exe
Size

79KB
MD5

a1e45561b188022e69c33479bb8370a7
SHA1

febf8aa857bbc9bf279228b22d6dc89c570b18e2
SHA256

326f3c55a978216a140d20516fc2008353ea92380fde373f9c381d902d4c9fd6
SHA512

6669b3cab1cd059a853e42a0c68f03f7ae68563168d6961ca524efdb090a35791956b117949b4a46edc3c7d4437c473023aec29a1a9fcf621e5c13ecce9c8397
SSDEEP

1536:D8TEXwcKLS2SiDOiXzCqN/lxpF5kQ/YEncXUx8yktm9ZnahOm:ITvcKLS2c0Ndvnb/YAWSY2ns

Score

10^/10

upx

Malware Config

Signatures

Nirsoft 1 IoCs

resource	yara_rule
static1/unpack001/out.upx	Nirsoft

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

smsniff.exe
.exe windows x86

Code Sign

42:1a:f2:94:09:84:19:1f:52:0a:4b:c6:24:26:a7:4b
Certificate

Issuer

CN=AddTrust External CA Root,OU=AddTrust External TTP Network,O=AddTrust AB,C=SE

Not Before

07/06/2005, 08:09

Not After

30/05/2020, 10:48

Subject

CN=UTN-USERFirst-Object,OU=http://www.usertrust.com,O=The USERTRUST Network,L=Salt Lake City,ST=UT,C=US

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

47:8a:8e:fb:59:e1:d8:3f:0c:e1:42:d2:a2:87:07:be
Certificate

Issuer

CN=UTN-USERFirst-Object,OU=http://www.usertrust.com,O=The USERTRUST Network,L=Salt Lake City,ST=UT,C=US

Not Before

10/05/2010, 00:00

Not After

10/05/2015, 23:59

Subject

CN=COMODO Time Stamping Signer,O=COMODO CA Limited,L=Salford,ST=Greater Manchester,C=GB

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageContentCommitment

10:70:9d:4f:f5:54:08:d7:30:60:01:d8:ea:91:75:bb
Certificate

Issuer

CN=UTN-USERFirst-Object,OU=http://www.usertrust.com,O=The USERTRUST Network,L=Salt Lake City,ST=UT,C=US

Not Before

24/08/2011, 00:00

Not After

30/05/2020, 10:48

Subject

CN=COMODO Code Signing CA 2,O=COMODO CA Limited,L=Salford,ST=Greater Manchester,C=GB

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

a1:a3:e7:28:0e:0a:2d:f1:2f:84:30:96:49:82:05:19
Certificate

Issuer

CN=COMODO Code Signing CA 2,O=COMODO CA Limited,L=Salford,ST=Greater Manchester,C=GB

Not Before

17/09/2012, 00:00

Not After

17/09/2014, 23:59

Subject

CN=Nir Sofer,O=Nir Sofer,POSTALCODE=52583,STREET=5 Hashoshanim st.,L=Ramat Gan,ST=Gush Dan,C=IL

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

25:f4:ed:ca:4c:c4:de:62:01:bf:bd:c4:b2:c7:b5:6d:93:b0:6e:91
Signer

Actual PE Digest

25:f4:ed:ca:4c:c4:de:62:01:bf:bd:c4:b2:c7:b5:6d:93:b0:6e:91

Digest Algorithm

sha1

PE Digest Matches

true

Headers

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Sections

UPX0
Size: - Virtual size: 152KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 65KB - Virtual size: 68KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 6KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
out.upx
.exe windows x86

Headers

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Sections

.text
Size: 92KB - Virtual size: 91KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 16KB - Virtual size: 16KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 7KB - Virtual size: 70KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 26KB - Virtual size: 25KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Code Sign

42:1a:f2:94:09:84:19:1f:52:0a:4b:c6:24:26:a7:4bCertificate

Key Usages

47:8a:8e:fb:59:e1:d8:3f:0c:e1:42:d2:a2:87:07:beCertificate

Extended Key Usages

Key Usages

10:70:9d:4f:f5:54:08:d7:30:60:01:d8:ea:91:75:bbCertificate

Extended Key Usages

Key Usages

a1:a3:e7:28:0e:0a:2d:f1:2f:84:30:96:49:82:05:19Certificate

Extended Key Usages

Key Usages

25:f4:ed:ca:4c:c4:de:62:01:bf:bd:c4:b2:c7:b5:6d:93:b0:6e:91Signer

Headers

File Characteristics

Sections

UPX0 Size: - Virtual size: 152KB

UPX1 Size: 65KB - Virtual size: 68KB

.rsrc Size: 6KB - Virtual size: 8KB

Headers

File Characteristics

Sections

.text Size: 92KB - Virtual size: 91KB

.rdata Size: 16KB - Virtual size: 16KB

.data Size: 7KB - Virtual size: 70KB

.rsrc Size: 26KB - Virtual size: 25KB

42:1a:f2:94:09:84:19:1f:52:0a:4b:c6:24:26:a7:4b
Certificate

47:8a:8e:fb:59:e1:d8:3f:0c:e1:42:d2:a2:87:07:be
Certificate

10:70:9d:4f:f5:54:08:d7:30:60:01:d8:ea:91:75:bb
Certificate

a1:a3:e7:28:0e:0a:2d:f1:2f:84:30:96:49:82:05:19
Certificate

25:f4:ed:ca:4c:c4:de:62:01:bf:bd:c4:b2:c7:b5:6d:93:b0:6e:91
Signer

UPX0
Size: - Virtual size: 152KB

UPX1
Size: 65KB - Virtual size: 68KB

.rsrc
Size: 6KB - Virtual size: 8KB

.text
Size: 92KB - Virtual size: 91KB

.rdata
Size: 16KB - Virtual size: 16KB

.data
Size: 7KB - Virtual size: 70KB

.rsrc
Size: 26KB - Virtual size: 25KB