OInstall[.]exe

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General

Target

OInstall.exe
Size

9.8MB
MD5

78ffd4acc57558d2b0e6b89fff8930f4
SHA1

4513925109addb215d1004399302fb076fefdd43
SHA256

0c0a89c18afc28ffaf49d10153e4b81178c511cfb5594d893c9510c24c193e7e
SHA512

76685f2cf94bd8d15288696205a38033942f21def78c1d6fe503b94764fcbf46bfb01f7d9cf3d9adfe4136fc0b1eb395e071a3691bce0762038975eec259d566
SSDEEP

196608:sykA+J37sdUENB31FK+S+nMlFxdwZinqhIVuAy+45NPOLG2Mc81m6Y7vkzXOM6t3:s1Aq37sCGF1gX+Mlpcinqh4ujUC2MhD6

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

OInstall.exe
.exe windows:4 windows x86

Code Sign

75:3e:5c:ef:ec:b6:3d:75:b2:cc:6b:83:03:2f:89:9e
Certificate

Issuer

CN=WZTeam

Not Before

02/11/2016, 18:47

Not After

31/12/2039, 23:59

Subject

CN=WZTeam

Extended Key Usages

ExtKeyUsageCodeSigning

16:88:f0:39:25:5e:63:8e:69:14:39:07:e6:33:0b
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

31/12/2015, 00:00

Not After

09/07/2019, 18:40

Subject

CN=COMODO SHA-1 Time Stamping Signer,O=COMODO CA Limited,L=Salford,ST=Greater Manchester,C=GB

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageContentCommitment

75:3e:5c:ef:ec:b6:3d:75:b2:cc:6b:83:03:2f:89:9e
Certificate

Issuer

CN=WZTeam

Not Before

02/11/2016, 18:47

Not After

31/12/2039, 23:59

Subject

CN=WZTeam

Extended Key Usages

ExtKeyUsageCodeSigning

4e:b0:87:8f:cc:24:35:36:b2:d8:c9:f7:bf:39:55:77
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

31/12/2015, 00:00

Not After

09/07/2019, 18:40

Subject

CN=COMODO SHA-256 Time Stamping Signer,O=COMODO CA Limited,L=Salford,ST=Greater Manchester,C=GB

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageContentCommitment

bc:2e:8a:90:00:e9:91:33:50:47:05:2b:76:10:ff:bd:fe:34:e5:0a:66:d1:09:2d:3b:fb:d8:03:c5:6d:c3:f1
Signer

Actual PE Digest

bc:2e:8a:90:00:e9:91:33:50:47:05:2b:76:10:ff:bd:fe:34:e5:0a:66:d1:09:2d:3b:fb:d8:03:c5:6d:c3:f1

Digest Algorithm

sha256

PE Digest Matches

true

52:b5:37:c7:4d:4c:f8:49:6a:c5:c0:8b:db:5e:cb:6f:73:2c:b4:ed
Signer

Actual PE Digest

52:b5:37:c7:4d:4c:f8:49:6a:c5:c0:8b:db:5e:cb:6f:73:2c:b4:ed

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_32BIT_MACHINE

Sections

UPX0
Size: - Virtual size: 9.2MB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 9.7MB - Virtual size: 9.7MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 84KB - Virtual size: 88KB

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

Headers

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE

Sections

.code
Size: 195KB - Virtual size: 195KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.text
Size: 594KB - Virtual size: 594KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 114KB - Virtual size: 113KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 17.4MB - Virtual size: 17.9MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 83KB - Virtual size: 82KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.modplug
Size: - Virtual size: 20KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

Sharing

General

Malware Config

Signatures

Files

Code Sign

75:3e:5c:ef:ec:b6:3d:75:b2:cc:6b:83:03:2f:89:9eCertificate

Extended Key Usages

16:88:f0:39:25:5e:63:8e:69:14:39:07:e6:33:0bCertificate

Extended Key Usages

Key Usages

75:3e:5c:ef:ec:b6:3d:75:b2:cc:6b:83:03:2f:89:9eCertificate

Extended Key Usages

4e:b0:87:8f:cc:24:35:36:b2:d8:c9:f7:bf:39:55:77Certificate

Extended Key Usages

Key Usages

bc:2e:8a:90:00:e9:91:33:50:47:05:2b:76:10:ff:bd:fe:34:e5:0a:66:d1:09:2d:3b:fb:d8:03:c5:6d:c3:f1Signer

52:b5:37:c7:4d:4c:f8:49:6a:c5:c0:8b:db:5e:cb:6f:73:2c:b4:edSigner

Headers

File Characteristics

Sections

UPX0 Size: - Virtual size: 9.2MB

UPX1 Size: 9.7MB - Virtual size: 9.7MB

.rsrc Size: 84KB - Virtual size: 88KB

Headers

File Characteristics

Sections

.code Size: 195KB - Virtual size: 195KB

.text Size: 594KB - Virtual size: 594KB

.rdata Size: 114KB - Virtual size: 113KB

.data Size: 17.4MB - Virtual size: 17.9MB

.rsrc Size: 83KB - Virtual size: 82KB

.modplug Size: - Virtual size: 20KB

75:3e:5c:ef:ec:b6:3d:75:b2:cc:6b:83:03:2f:89:9e
Certificate

16:88:f0:39:25:5e:63:8e:69:14:39:07:e6:33:0b
Certificate

75:3e:5c:ef:ec:b6:3d:75:b2:cc:6b:83:03:2f:89:9e
Certificate

4e:b0:87:8f:cc:24:35:36:b2:d8:c9:f7:bf:39:55:77
Certificate

bc:2e:8a:90:00:e9:91:33:50:47:05:2b:76:10:ff:bd:fe:34:e5:0a:66:d1:09:2d:3b:fb:d8:03:c5:6d:c3:f1
Signer

52:b5:37:c7:4d:4c:f8:49:6a:c5:c0:8b:db:5e:cb:6f:73:2c:b4:ed
Signer

UPX0
Size: - Virtual size: 9.2MB

UPX1
Size: 9.7MB - Virtual size: 9.7MB

.rsrc
Size: 84KB - Virtual size: 88KB

.code
Size: 195KB - Virtual size: 195KB

.text
Size: 594KB - Virtual size: 594KB

.rdata
Size: 114KB - Virtual size: 113KB

.data
Size: 17.4MB - Virtual size: 17.9MB

.rsrc
Size: 83KB - Virtual size: 82KB

.modplug
Size: - Virtual size: 20KB