681a45755f558c5c64957ead4f5661d4

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General

Target

681a45755f558c5c64957ead4f5661d4
Size

177KB
MD5

681a45755f558c5c64957ead4f5661d4
SHA1

8d4ddd9944f7f5d3b528a6b440b53760e5301d55
SHA256

28a3b5c0a4ed55d3fbc3c213a436efc6e289bf94eca122066d5d53e34959ecce
SHA512

3e92f20f4c1d99c6da826d5978e75d6eef4b0b8a4c8f9b979a6d292d6121d95fac5d2ea78de09767dc005e16292bad64cd728302bd59e2519f2b4f05c3d2847e
SSDEEP

3072:p5r8qIVbp0xH+kkxV8/m4ZLEfv2r/2LHkAn18E7iZwnKDwlj/g40KKZJlKCgTr:QrdbD8/m52iL1y4iZwKDx40FKCg

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

681a45755f558c5c64957ead4f5661d4
.exe windows:4 windows x86 arch:x86

Code Sign

79:a2:a5:85:f9:d1:15:42:13:d9:b8:3e:f6:b6:8d:ed
Certificate

Issuer

CN=VeriSign Time Stamping Services CA,O=VeriSign\, Inc.,C=US

Not Before

01/05/2012, 00:00

Not After

31/12/2012, 23:59

Subject

CN=Symantec Time Stamping Services Signer - G3,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

47:bf:19:95:df:8d:52:46:43:f7:db:6d:48:0d:31:a4
Certificate

Issuer

CN=Thawte Timestamping CA,OU=Thawte Certification,O=Thawte,L=Durbanville,ST=Western Cape,C=ZA

Not Before

04/12/2003, 00:00

Not After

03/12/2013, 23:59

Subject

CN=VeriSign Time Stamping Services CA,O=VeriSign\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

55:21:db:26:ce:0c:b3:e4
Certificate

Issuer

CN=TrustAsia.com Code Signing CA,O=Dotsoft Technologies\, Inc.,C=CN

Not Before

01/03/2011, 01:07

Not After

01/03/2014, 01:07

Subject

CN=亚洲诚信数字签名测试证书,O=上海域联软件技术有限公司,L=上海市,ST=上海市,C=CN

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

04
Certificate

Issuer

CN=TrustAsia.com Root CA,O=Dotsoft Technologies\, Inc.,C=CN

Not Before

15/02/2010, 16:37

Not After

15/02/2020, 16:37

Subject

CN=TrustAsia.com Code Signing CA,O=Dotsoft Technologies\, Inc.,C=CN

Extended Key Usages

ExtKeyUsageCodeSigning
ExtKeyUsageTimeStamping
ExtKeyUsageOCSPSigning

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

bf:6a:a4:90:08:c4:52:5a:44:a5:77:c8:a7:c9:d2:47:71:64:29:c7
Signer

Actual PE Digest

bf:6a:a4:90:08:c4:52:5a:44:a5:77:c8:a7:c9:d2:47:71:64:29:c7

Digest Algorithm

sha1

PE Digest Matches

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: 792KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 163KB - Virtual size: 164KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 7KB - Virtual size: 8KB

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

.text
Size: 448KB - Virtual size: 447KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.data
Size: 11KB - Virtual size: 474KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 24KB - Virtual size: 23KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Code Sign

79:a2:a5:85:f9:d1:15:42:13:d9:b8:3e:f6:b6:8d:edCertificate

Extended Key Usages

Key Usages

47:bf:19:95:df:8d:52:46:43:f7:db:6d:48:0d:31:a4Certificate

Extended Key Usages

Key Usages

55:21:db:26:ce:0c:b3:e4Certificate

Extended Key Usages

Key Usages

04Certificate

Extended Key Usages

Key Usages

bf:6a:a4:90:08:c4:52:5a:44:a5:77:c8:a7:c9:d2:47:71:64:29:c7Signer

Headers

File Characteristics

Sections

UPX0 Size: - Virtual size: 792KB

UPX1 Size: 163KB - Virtual size: 164KB

.rsrc Size: 7KB - Virtual size: 8KB

Headers

File Characteristics

Sections

.text Size: 448KB - Virtual size: 447KB

.data Size: 11KB - Virtual size: 474KB

.rsrc Size: 24KB - Virtual size: 23KB

79:a2:a5:85:f9:d1:15:42:13:d9:b8:3e:f6:b6:8d:ed
Certificate

47:bf:19:95:df:8d:52:46:43:f7:db:6d:48:0d:31:a4
Certificate

55:21:db:26:ce:0c:b3:e4
Certificate

04
Certificate

bf:6a:a4:90:08:c4:52:5a:44:a5:77:c8:a7:c9:d2:47:71:64:29:c7
Signer

UPX0
Size: - Virtual size: 792KB

UPX1
Size: 163KB - Virtual size: 164KB

.rsrc
Size: 7KB - Virtual size: 8KB

.text
Size: 448KB - Virtual size: 447KB

.data
Size: 11KB - Virtual size: 474KB

.rsrc
Size: 24KB - Virtual size: 23KB