33efbd5177c0adb11c4cd6889eeb4ef0

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General

Target

33efbd5177c0adb11c4cd6889eeb4ef0
Size

322KB
MD5

33efbd5177c0adb11c4cd6889eeb4ef0
SHA1

ec96f4c1de3e17cd643350e519708ef00cd15498
SHA256

22d3b198aaaa016e2ecd8ed8ddf24d1f24cc269fa804926d7e01344768287bea
SHA512

a4035e8306544e4dfaededc0b529ead07a0ec21df20cbf9be250dd1033e2c10be38bec9f6b5892296498eff8c1dd9ecc543f98819fe76dad4c51d096b2683c9e
SSDEEP

6144:NR8jxscMcOeDu94GGGjkpm2rOzT8/iZL3vmyMM2zWnh0RUu:jkCcMcL7ecDrO53vCMRh0au

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

33efbd5177c0adb11c4cd6889eeb4ef0
.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

da:85:c4:49:20:e6:ab:59:fd:7b:56:02:a0:cd:70:70:f5:64:6e:33
Signer

Actual PE Digest

da:85:c4:49:20:e6:ab:59:fd:7b:56:02:a0:cd:70:70:f5:64:6e:33

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_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Sections

UPX0
Size: - Virtual size: 428KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 310KB - Virtual size: 312KB

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_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Sections

.text
Size: 311KB - Virtual size: 310KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 101KB - Virtual size: 101KB

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: 237KB - Virtual size: 237KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 30KB - 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

da:85:c4:49:20:e6:ab:59:fd:7b:56:02:a0:cd:70:70:f5:64:6e:33Signer

Headers

DLL Characteristics

File Characteristics

Sections

UPX0 Size: - Virtual size: 428KB

UPX1 Size: 310KB - Virtual size: 312KB

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

Headers

DLL Characteristics

File Characteristics

Sections

.text Size: 311KB - Virtual size: 310KB

.rdata Size: 101KB - Virtual size: 101KB

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

.rsrc Size: 237KB - Virtual size: 237KB

.reloc Size: 30KB - 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

da:85:c4:49:20:e6:ab:59:fd:7b:56:02:a0:cd:70:70:f5:64:6e:33
Signer

UPX0
Size: - Virtual size: 428KB

UPX1
Size: 310KB - Virtual size: 312KB

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

.text
Size: 311KB - Virtual size: 310KB

.rdata
Size: 101KB - Virtual size: 101KB

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

.rsrc
Size: 237KB - Virtual size: 237KB

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