8fb0257b0da7d7d29426fcedbc8144ff

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General

Target

8fb0257b0da7d7d29426fcedbc8144ff
Size

327KB
MD5

8fb0257b0da7d7d29426fcedbc8144ff
SHA1

2e9356edee8150c55c1dc7d7568318d6c007f62b
SHA256

22cbd0163bd4e58ccbc648a87f5509958fedfbc4802466659101827481cc66f0
SHA512

81c81a93d48ef0b95f0f76a0851e02409f5266b224e23fc256c4d36a99f944f71c411b9c3f9d5edc39482fccdccff77b446442ea1769226ed279f04416b1e7e9
SSDEEP

6144:ZiNuj4umPkObyGibna8Ch/nV8sk+Ca+MvWc/wAAlrGexFU+vGvu:n3u/l8ch98VNa+Muc/wAABx6OGvu

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

8fb0257b0da7d7d29426fcedbc8144ff
.exe windows:5 windows x86 arch:x86

Code Sign

05:e6:71:75:3c:f9:bb:1d:76:a8:c5:56:52:89:27:20
Certificate

Issuer

CN=VeriSign Class 3 Code Signing 2010 CA,OU=VeriSign Trust Network+OU=Terms of use at https://www.verisign.com/rpa (c)10,O=VeriSign\, Inc.,C=US

Not Before

22/12/2010, 00:00

Not After

21/12/2012, 23:59

Subject

CN=appbundler.com,OU=Digital ID Class 3 - Microsoft Software Validation v2+OU=Ops,O=appbundler.com,L=Bellevue,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

52:00:e5:aa:25:56:fc:1a:86:ed:96:c9:d4:4b:33:c7
Certificate

Issuer

CN=VeriSign Class 3 Public Primary Certification Authority - G5,OU=VeriSign Trust Network+OU=(c) 2006 VeriSign\, Inc. - For authorized use only,O=VeriSign\, Inc.,C=US

Not Before

08/02/2010, 00:00

Not After

07/02/2020, 23:59

Subject

CN=VeriSign Class 3 Code Signing 2010 CA,OU=VeriSign Trust Network+OU=Terms of use at https://www.verisign.com/rpa (c)10,O=VeriSign\, Inc.,C=US

Extended Key Usages

ExtKeyUsageClientAuth
ExtKeyUsageCodeSigning

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

93:c1:44:cd:31:be:e8:55:13:a8:39:89:3c:b6:d7:ff:2c:04:b5:58
Signer

Actual PE Digest

93:c1:44:cd:31:be:e8:55:13:a8:39:89:3c:b6:d7:ff:2c:04:b5:58

Digest Algorithm

sha1

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Sections

UPX0
Size: - Virtual size: 424KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 315KB - Virtual size: 316KB

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:5 windows x86 arch:x86

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Sections

.text
Size: 318KB - Virtual size: 318KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 103KB - Virtual size: 103KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 14KB - Virtual size: 24KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 242KB - Virtual size: 242KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 31KB - Virtual size: 30KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Code Sign

05:e6:71:75:3c:f9:bb:1d:76:a8:c5:56:52:89:27:20Certificate

Extended Key Usages

Key Usages

52:00:e5:aa:25:56:fc:1a:86:ed:96:c9:d4:4b:33:c7Certificate

Extended Key Usages

Key Usages

93:c1:44:cd:31:be:e8:55:13:a8:39:89:3c:b6:d7:ff:2c:04:b5:58Signer

Headers

DLL Characteristics

File Characteristics

Sections

UPX0 Size: - Virtual size: 424KB

UPX1 Size: 315KB - Virtual size: 316KB

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

Headers

DLL Characteristics

File Characteristics

Sections

.text Size: 318KB - Virtual size: 318KB

.rdata Size: 103KB - Virtual size: 103KB

.data Size: 14KB - Virtual size: 24KB

.rsrc Size: 242KB - Virtual size: 242KB

.reloc Size: 31KB - Virtual size: 30KB

05:e6:71:75:3c:f9:bb:1d:76:a8:c5:56:52:89:27:20
Certificate

52:00:e5:aa:25:56:fc:1a:86:ed:96:c9:d4:4b:33:c7
Certificate

93:c1:44:cd:31:be:e8:55:13:a8:39:89:3c:b6:d7:ff:2c:04:b5:58
Signer

UPX0
Size: - Virtual size: 424KB

UPX1
Size: 315KB - Virtual size: 316KB

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

.text
Size: 318KB - Virtual size: 318KB

.rdata
Size: 103KB - Virtual size: 103KB

.data
Size: 14KB - Virtual size: 24KB

.rsrc
Size: 242KB - Virtual size: 242KB

.reloc
Size: 31KB - Virtual size: 30KB