OInstall_x64[.]exe

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General

Target

OInstall_x64.exe
Size

11.9MB
MD5

08919ebf9aa0f3268a283fe7a601dcc5
SHA1

b90698d981e6a5d6edb2b2746daba7033c9d1f6c
SHA256

499122975a807af36806cbcaf93727f6b1cea8705f2fbab7de29a704b77fbb5f
SHA512

efd80410ec16c0c73c0444ae6f1b65ee188bf653c984c7d9574c89e3fbe3d0a8f22187a237f2e3a404edffde10baddde60740f19554c108e86123c9e02d63b2c
SSDEEP

196608:9py+TuGtRczaQoFoUU/34e2cYHWMq4WsDIyJZuQ0LCC3fR66Kcn5LNnTBdBWHmJw:9jTJRczUFoZ/12hHWbTsnfeLj3fLnT45

Score

8^/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

OInstall_x64.exe
.exe windows x64

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

30:0f:6f:ac:dd:66:98:74:7c:a9:46:36:a7:78:2d:b9
Certificate

Issuer

CN=USERTrust RSA Certification Authority,O=The USERTRUST Network,L=Jersey City,ST=New Jersey,C=US

Not Before

02/05/2019, 00:00

Not After

18/01/2038, 23:59

Subject

CN=Sectigo RSA Time Stamping CA,O=Sectigo Limited,L=Salford,ST=Greater Manchester,C=GB

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

90:39:7f:9a:d2:4a:3a:13:f2:bd:91:5f:08:38:a9:43
Certificate

Issuer

CN=Sectigo RSA Time Stamping CA,O=Sectigo Limited,L=Salford,ST=Greater Manchester,C=GB

Not Before

11/05/2022, 00:00

Not After

10/08/2033, 23:59

Subject

CN=Sectigo RSA Time Stamping Signer #3,O=Sectigo Limited,ST=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

90:39:7f:9a:d2:4a:3a:13:f2:bd:91:5f:08:38:a9:43
Certificate

Issuer

CN=Sectigo RSA Time Stamping CA,O=Sectigo Limited,L=Salford,ST=Greater Manchester,C=GB

Not Before

11/05/2022, 00:00

Not After

10/08/2033, 23:59

Subject

CN=Sectigo RSA Time Stamping Signer #3,O=Sectigo Limited,ST=Manchester,C=GB

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageContentCommitment

30:0f:6f:ac:dd:66:98:74:7c:a9:46:36:a7:78:2d:b9
Certificate

Issuer

CN=USERTrust RSA Certification Authority,O=The USERTRUST Network,L=Jersey City,ST=New Jersey,C=US

Not Before

02/05/2019, 00:00

Not After

18/01/2038, 23:59

Subject

CN=Sectigo RSA Time Stamping CA,O=Sectigo Limited,L=Salford,ST=Greater Manchester,C=GB

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

01:80:db:25:a8:23:ab:8b:3b:f8:47:e0:61:53:ec:9d:f6:f2:9c:cc:46:32:b3:8b:d5:3f:2b:22:aa:a6:f5:00
Signer

Actual PE Digest

01:80:db:25:a8:23:ab:8b:3b:f8:47:e0:61:53:ec:9d:f6:f2:9c:cc:46:32:b3:8b:d5:3f:2b:22:aa:a6:f5:00

Digest Algorithm

sha256

PE Digest Matches

true

Signature Validations

Trusted

false

Verification

Signing Certificate

CN=WZTeam

15/12/2022, 13:55
Valid: false

40:a7:a0:4b:0b:5e:b6:7e:cd:0a:cc:9c:55:b0:f1:e0:ee:0e:94:f4
Signer

Actual PE Digest

40:a7:a0:4b:0b:5e:b6:7e:cd:0a:cc:9c:55:b0:f1:e0:ee:0e:94:f4

Digest Algorithm

sha1

PE Digest Matches

true

Signature Validations

Trusted

false

Verification

Signing Certificate

CN=WZTeam

15/12/2022, 13:55
Valid: false

Headers

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE

Sections

UPX0
Size: - Virtual size: 11.1MB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 11.8MB - Virtual size: 11.8MB

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 x64

Headers

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE

Sections

.code
Size: 420KB - Virtual size: 420KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.text
Size: 680KB - Virtual size: 679KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 169KB - Virtual size: 168KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.pdata
Size: 26KB - Virtual size: 26KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 21.0MB - Virtual size: 21.4MB

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

30:0f:6f:ac:dd:66:98:74:7c:a9:46:36:a7:78:2d:b9Certificate

Extended Key Usages

Key Usages

90:39:7f:9a:d2:4a:3a:13:f2:bd:91:5f:08:38:a9:43Certificate

Extended Key Usages

Key Usages

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

Extended Key Usages

90:39:7f:9a:d2:4a:3a:13:f2:bd:91:5f:08:38:a9:43Certificate

Extended Key Usages

Key Usages

30:0f:6f:ac:dd:66:98:74:7c:a9:46:36:a7:78:2d:b9Certificate

Extended Key Usages

Key Usages

01:80:db:25:a8:23:ab:8b:3b:f8:47:e0:61:53:ec:9d:f6:f2:9c:cc:46:32:b3:8b:d5:3f:2b:22:aa:a6:f5:00Signer

Signature Validations

Verification

15/12/2022, 13:55 Valid: false

40:a7:a0:4b:0b:5e:b6:7e:cd:0a:cc:9c:55:b0:f1:e0:ee:0e:94:f4Signer

Signature Validations

Verification

15/12/2022, 13:55 Valid: false

Headers

File Characteristics

Sections

UPX0 Size: - Virtual size: 11.1MB

UPX1 Size: 11.8MB - Virtual size: 11.8MB

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

Headers

File Characteristics

Sections

.code Size: 420KB - Virtual size: 420KB

.text Size: 680KB - Virtual size: 679KB

.rdata Size: 169KB - Virtual size: 168KB

.pdata Size: 26KB - Virtual size: 26KB

.data Size: 21.0MB - Virtual size: 21.4MB

.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

30:0f:6f:ac:dd:66:98:74:7c:a9:46:36:a7:78:2d:b9
Certificate

90:39:7f:9a:d2:4a:3a:13:f2:bd:91:5f:08:38:a9:43
Certificate

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

90:39:7f:9a:d2:4a:3a:13:f2:bd:91:5f:08:38:a9:43
Certificate

30:0f:6f:ac:dd:66:98:74:7c:a9:46:36:a7:78:2d:b9
Certificate

01:80:db:25:a8:23:ab:8b:3b:f8:47:e0:61:53:ec:9d:f6:f2:9c:cc:46:32:b3:8b:d5:3f:2b:22:aa:a6:f5:00
Signer

15/12/2022, 13:55
Valid: false

40:a7:a0:4b:0b:5e:b6:7e:cd:0a:cc:9c:55:b0:f1:e0:ee:0e:94:f4
Signer

15/12/2022, 13:55
Valid: false

UPX0
Size: - Virtual size: 11.1MB

UPX1
Size: 11.8MB - Virtual size: 11.8MB

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

.code
Size: 420KB - Virtual size: 420KB

.text
Size: 680KB - Virtual size: 679KB

.rdata
Size: 169KB - Virtual size: 168KB

.pdata
Size: 26KB - Virtual size: 26KB

.data
Size: 21.0MB - Virtual size: 21.4MB

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

.modplug
Size: - Virtual size: 20KB