office[.]zip | Triage

Sharing

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General

Target

office.zip
Size

9.2MB
MD5

12b791cb164f77e975513a13c3456c9a
SHA1

0bf65a8868da59a612613d67701f0aabc3fcf171
SHA256

bf33f1da5550bd50424290e505d704327e814f1e947dc96baf733d126fc46357
SHA512

7c63bbb88c6ed391eea7164d1674f191b205ad8ccf60fc2e43376a2202ef52d47947c8700fbfdc6553a303a7621cdcdbebf7c1a896d74a811f57431c4dc96906
SSDEEP

196608:/Nb7zXcQlejHMbkcHs4VIgv5gXCIJ1d9grLP54BbWkI+PiJoH1pNxFAo63c3:/NPzXcQlNVIgvRIb4RCXcoHT9qm

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
static1/unpack001/ae5cc988-4758-4e04-9c3d-1e4c98662269.tmp	upx

Files

office.zip
.zip

Password: infected
ae5cc988-4758-4e04-9c3d-1e4c98662269.tmp
.exe 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

1a:05:da:b8:f0:7a:e8:40:be:ad:78:fe:b2:55:a8:74
Certificate

Issuer

CN=WZTeam

Not Before

10/03/2017, 18:02

Not After

31/12/2039, 23:59

Subject

CN=WZTeam

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

ca:6d:1f:fd:5c:07:e8:69:eb:66:3c:41:1f:ae:4d:00:ea:ee:12:1e:25:c4:d0:8a:c8:64:0b:18:ab:35:02:b7
Signer

Actual PE Digest

ca:6d:1f:fd:5c:07:e8:69:eb:66:3c:41:1f:ae:4d:00:ea:ee:12:1e:25:c4:d0:8a:c8:64:0b:18:ab:35:02:b7

Digest Algorithm

sha256

PE Digest Matches

true

Signature Validations

Trusted

false

Verification

Signing Certificate

CN=WZTeam

30/08/2018, 04:58
Valid: false

73:4c:86:2e:70:af:25:7b:8c:fe:a9:16:58:f8:39:08:bc:bb:03:ad
Signer

Actual PE Digest

73:4c:86:2e:70:af:25:7b:8c:fe:a9:16:58:f8:39:08:bc:bb:03:ad

Digest Algorithm

sha1

PE Digest Matches

true

Signature Validations

Trusted

false

Verification

Signing Certificate

CN=WZTeam

30/08/2018, 04:58
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_32BIT_MACHINE

Sections

UPX0
Size: - Virtual size: 8.2MB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 9.4MB - Virtual size: 9.4MB

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 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: 187KB - Virtual size: 186KB

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: 16.1MB - Virtual size: 16.6MB

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

Password: infected

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

1a:05:da:b8:f0:7a:e8:40:be:ad:78:fe:b2:55:a8:74Certificate

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

Extended Key Usages

Key Usages

ca:6d:1f:fd:5c:07:e8:69:eb:66:3c:41:1f:ae:4d:00:ea:ee:12:1e:25:c4:d0:8a:c8:64:0b:18:ab:35:02:b7Signer

Signature Validations

Verification

30/08/2018, 04:58 Valid: false

73:4c:86:2e:70:af:25:7b:8c:fe:a9:16:58:f8:39:08:bc:bb:03:adSigner

Signature Validations

Verification

30/08/2018, 04:58 Valid: false

Headers

File Characteristics

Sections

UPX0 Size: - Virtual size: 8.2MB

UPX1 Size: 9.4MB - Virtual size: 9.4MB

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

Headers

File Characteristics

Sections

.code Size: 187KB - Virtual size: 186KB

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

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

.data Size: 16.1MB - Virtual size: 16.6MB

.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

1a:05:da:b8:f0:7a:e8:40:be:ad:78:fe:b2:55:a8:74
Certificate

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

ca:6d:1f:fd:5c:07:e8:69:eb:66:3c:41:1f:ae:4d:00:ea:ee:12:1e:25:c4:d0:8a:c8:64:0b:18:ab:35:02:b7
Signer

30/08/2018, 04:58
Valid: false

73:4c:86:2e:70:af:25:7b:8c:fe:a9:16:58:f8:39:08:bc:bb:03:ad
Signer

30/08/2018, 04:58
Valid: false

UPX0
Size: - Virtual size: 8.2MB

UPX1
Size: 9.4MB - Virtual size: 9.4MB

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

.code
Size: 187KB - Virtual size: 186KB

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

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

.data
Size: 16.1MB - Virtual size: 16.6MB

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

.modplug
Size: - Virtual size: 20KB