OInstall[.]exe

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General

Target

OInstall.exe
Size

9.8MB
MD5

cb6e2c13b9548e4864eaa610ebce96a3
SHA1

02b0f88785ded01c75a3eaf4288aeb0be48d143e
SHA256

9f46b1f0aa822b65f98744f91414e033c9248021a9f472fa23ae8a81b26b8fae
SHA512

b78c161e46f9ce9f367a5868106ed6f5f234409e4ac4f3cf5b2d9855618c57f133a34e7f06c5a8a640dcdd361672faa6410a7510bb025e033de181db900fade9
SSDEEP

196608:vHKNxawqBBz0yVnn6z77vv1JQOE5LlpiFi8oULkWZlftsc1ZMihDOnc6ACqcq2tf:vExEBBV96z77vvf3kioGkmBD7wnc6Ad2

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 arch: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

94:06:37:16:30:a0:02:3c:e7:0f:26:f8:b2:b5:36:35:9b:82:1e:c3:d0:c8:7c:f5:bc:64:1d:7a:96:15:99:93
Signer

Actual PE Digest

94:06:37:16:30:a0:02:3c:e7:0f:26:f8:b2:b5:36:35:9b:82:1e:c3:d0:c8:7c:f5:bc:64:1d:7a:96:15:99:93

Digest Algorithm

sha256

PE Digest Matches

true

60:65:b8:06:b5:c8:10:77:38:1c:7d:da:7b:8a:6e:06:c7:c0:1d:4b
Signer

Actual PE Digest

60:65:b8:06:b5:c8:10:77:38:1c:7d:da:7b:8a:6e:06:c7:c0:1d:4b

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 arch: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: 194KB

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

94:06:37:16:30:a0:02:3c:e7:0f:26:f8:b2:b5:36:35:9b:82:1e:c3:d0:c8:7c:f5:bc:64:1d:7a:96:15:99:93Signer

60:65:b8:06:b5:c8:10:77:38:1c:7d:da:7b:8a:6e:06:c7:c0:1d:4bSigner

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: 194KB

.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

94:06:37:16:30:a0:02:3c:e7:0f:26:f8:b2:b5:36:35:9b:82:1e:c3:d0:c8:7c:f5:bc:64:1d:7a:96:15:99:93
Signer

60:65:b8:06:b5:c8:10:77:38:1c:7d:da:7b:8a:6e:06:c7:c0:1d:4b
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: 194KB

.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