kav_setup[.]exe

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General

Target

kav_setup.exe
Size

13.6MB
MD5

4b80eaf2288aa715354cfc42e87f6a55
SHA1

2b2227c1135fde2f277eec549faecc57020d6947
SHA256

bdf40bbc008ab151db86ace1b8c2385b8eed742031db4277c4f29ce164995294
SHA512

c51dd779628703e555609768cdcf36b145a67bdb9602f62917dd6162f99560e333fddcfce80f41b9865af2d0fe11242e048ea869080f71f5c8d357ed77d9b4f5
SSDEEP

393216:c/XADqwibq/RIYuUniCRX1mezmAHy5+DIW4scYMMDIknl5:cGA8Ib86AG+DIW6szl5

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

kav_setup.exe
.exe windows:4 windows x86 arch:x86

Code Sign

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

25:0c:e8:e0:30:61:2e:9f:2b:89:f7:05:4d:7c:f8:fd
Certificate

Issuer

OU=Class 3 Public Primary Certification Authority,O=VeriSign\, Inc.,C=US

Not Before

08/11/2006, 00:00

Not After

07/11/2021, 23:59

Subject

CN=VeriSign Class 3 Public Primary Certification Authority - G5,OU=VeriSign Trust Network+OU=(c) 2006 VeriSign\, Inc. - For authorized use only,O=VeriSign\, Inc.,C=US

Extended Key Usages

ExtKeyUsageServerAuth
ExtKeyUsageClientAuth
ExtKeyUsageCodeSigning
ExtKeyUsageNetscapeServerGatedCrypto

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

07:bc:3a:51:b5:89:e5:af:43:29:1d:f8:4e:a4:c5:71
Certificate

Issuer

CN=VeriSign Class 3 Code Signing 2010 CA,OU=VeriSign Trust Network+OU=Terms of use at https://www.verisign.com/rpa (c)10,O=VeriSign\, Inc.,C=US

Not Before

26/12/2011, 00:00

Not After

25/12/2014, 23:59

Subject

CN=Beijing Kingsoft Security software Co.\,Ltd,OU=Digital ID Class 3 - Microsoft Software Validation v2,O=Beijing Kingsoft Security software Co.\,Ltd,L=beijing,ST=beijing,C=CN

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

52:00:e5:aa:25:56:fc:1a:86:ed:96:c9:d4:4b:33:c7
Certificate

Issuer

CN=VeriSign Class 3 Public Primary Certification Authority - G5,OU=VeriSign Trust Network+OU=(c) 2006 VeriSign\, Inc. - For authorized use only,O=VeriSign\, Inc.,C=US

Not Before

08/02/2010, 00:00

Not After

07/02/2020, 23:59

Subject

CN=VeriSign Class 3 Code Signing 2010 CA,OU=VeriSign Trust Network+OU=Terms of use at https://www.verisign.com/rpa (c)10,O=VeriSign\, Inc.,C=US

Extended Key Usages

ExtKeyUsageClientAuth
ExtKeyUsageCodeSigning

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

54:29:ec:96:44:38:9a:9d:04:a2:d9:22:fe:84:14:d3:c5:79:0d:dc
Signer

Actual PE Digest

54:29:ec:96:44:38:9a:9d:04:a2:d9:22:fe:84:14:d3:c5:79:0d:dc

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: 692KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 385KB - Virtual size: 388KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 20KB - Virtual size: 24KB

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_32BIT_MACHINE

Sections

.text
Size: 812KB - Virtual size: 809KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 128KB - Virtual size: 127KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 20KB - Virtual size: 39KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 88KB - Virtual size: 85KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Code Sign

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

Extended Key Usages

Key Usages

25:0c:e8:e0:30:61:2e:9f:2b:89:f7:05:4d:7c:f8:fdCertificate

Extended Key Usages

Key Usages

07:bc:3a:51:b5:89:e5:af:43:29:1d:f8:4e:a4:c5:71Certificate

Extended Key Usages

Key Usages

52:00:e5:aa:25:56:fc:1a:86:ed:96:c9:d4:4b:33:c7Certificate

Extended Key Usages

Key Usages

54:29:ec:96:44:38:9a:9d:04:a2:d9:22:fe:84:14:d3:c5:79:0d:dcSigner

Headers

File Characteristics

Sections

UPX0 Size: - Virtual size: 692KB

UPX1 Size: 385KB - Virtual size: 388KB

.rsrc Size: 20KB - Virtual size: 24KB

Headers

File Characteristics

Sections

.text Size: 812KB - Virtual size: 809KB

.rdata Size: 128KB - Virtual size: 127KB

.data Size: 20KB - Virtual size: 39KB

.rsrc Size: 88KB - Virtual size: 85KB

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

25:0c:e8:e0:30:61:2e:9f:2b:89:f7:05:4d:7c:f8:fd
Certificate

07:bc:3a:51:b5:89:e5:af:43:29:1d:f8:4e:a4:c5:71
Certificate

52:00:e5:aa:25:56:fc:1a:86:ed:96:c9:d4:4b:33:c7
Certificate

54:29:ec:96:44:38:9a:9d:04:a2:d9:22:fe:84:14:d3:c5:79:0d:dc
Signer

UPX0
Size: - Virtual size: 692KB

UPX1
Size: 385KB - Virtual size: 388KB

.rsrc
Size: 20KB - Virtual size: 24KB

.text
Size: 812KB - Virtual size: 809KB

.rdata
Size: 128KB - Virtual size: 127KB

.data
Size: 20KB - Virtual size: 39KB

.rsrc
Size: 88KB - Virtual size: 85KB