a21cfbc25fe12e57200252dd22aa2d0c

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General

Target

a21cfbc25fe12e57200252dd22aa2d0c
Size

153KB
MD5

a21cfbc25fe12e57200252dd22aa2d0c
SHA1

28a73ccc46798b7d056f173ca76406e84ca68456
SHA256

6b471485be7e329aba140b3583361ca1d191fd8593c7e62f36467241fd56a782
SHA512

21f64af26ca0385bae61d1ebb1aabb8b028a3245bda02301042834c88672c6ab8ab1bef7d6573f8ac43c53638d839ec29cd9c576a326cce3fb10afc32d37335d
SSDEEP

3072:nS1pNLYgknYbpkORrH22ca4R39W+UufFfc2DR82NwJz:nSRY3neqORrHSnRsGFfpNUz

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

a21cfbc25fe12e57200252dd22aa2d0c
.exe windows:5 windows x86 arch:x86

Code Sign

53:c7:49:8e:70:43:74:0f:15:eb:da:90:d6:e5:6f:72
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

29/08/2012, 00:00

Not After

29/08/2014, 23:59

Subject

CN=LI Impact,OU=Digital ID Class 3 - Microsoft Software Validation v2,O=LI Impact,L=Carson City,ST=Nevada,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

bf:65:11:f5:f3:b7:41:cb:fa:3b:e7:47:00:90:fc:29:12:a5:14:f3
Signer

Actual PE Digest

bf:65:11:f5:f3:b7:41:cb:fa:3b:e7:47:00:90:fc:29:12:a5:14:f3

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: 80KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 142KB - Virtual size: 144KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 6KB - 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: 77KB - Virtual size: 76KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 19KB - Virtual size: 19KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 5KB - Virtual size: 12KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 91KB - Virtual size: 90KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 7KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Code Sign

53:c7:49:8e:70:43:74:0f:15:eb:da:90:d6:e5:6f:72Certificate

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

bf:65:11:f5:f3:b7:41:cb:fa:3b:e7:47:00:90:fc:29:12:a5:14:f3Signer

Headers

DLL Characteristics

File Characteristics

Sections

UPX0 Size: - Virtual size: 80KB

UPX1 Size: 142KB - Virtual size: 144KB

.rsrc Size: 6KB - Virtual size: 8KB

Headers

DLL Characteristics

File Characteristics

Sections

.text Size: 77KB - Virtual size: 76KB

.rdata Size: 19KB - Virtual size: 19KB

.data Size: 5KB - Virtual size: 12KB

.rsrc Size: 91KB - Virtual size: 90KB

.reloc Size: 7KB - Virtual size: 7KB

53:c7:49:8e:70:43:74:0f:15:eb:da:90:d6:e5:6f:72
Certificate

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

bf:65:11:f5:f3:b7:41:cb:fa:3b:e7:47:00:90:fc:29:12:a5:14:f3
Signer

UPX0
Size: - Virtual size: 80KB

UPX1
Size: 142KB - Virtual size: 144KB

.rsrc
Size: 6KB - Virtual size: 8KB

.text
Size: 77KB - Virtual size: 76KB

.rdata
Size: 19KB - Virtual size: 19KB

.data
Size: 5KB - Virtual size: 12KB

.rsrc
Size: 91KB - Virtual size: 90KB

.reloc
Size: 7KB - Virtual size: 7KB