4ef537da5952a91514a57b5a20f5ea0c

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General

Target

4ef537da5952a91514a57b5a20f5ea0c
Size

556KB
MD5

4ef537da5952a91514a57b5a20f5ea0c
SHA1

acfbd230fe1e20ccafc540bfa27be7c85d8cda8e
SHA256

8e58c1fab7a1d9c5a408cabe01add8ac9798ec4de8d9132179a40ec903b5f4fa
SHA512

3693a46e4823d53f96d44c0cdda329b33bb867a0e834e13411c8797db6a4251f4fe70460e9d8d158307b4d1d8f55e5318ea4c31ad066c543af426566c865d870
SSDEEP

12288:IGMVWEswD7o/Aoy51aISoO+YlyeU81GYOCmBmXHKwMMzk:IGSWEhnoIooSUY40G4imXHKwMMzk

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

4ef537da5952a91514a57b5a20f5ea0c
.exe windows:4 windows x86 arch:x86

Code Sign

2b:ca:6b:fd:ab:7e:56:37:ba:8e:7e:9c:64:00:cc:75
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

02/02/2011, 00:00

Not After

02/02/2012, 23:59

Subject

CN=Install Core,O=Install Core,POSTALCODE=62919,STREET=Nisim Aloni 21,L=Tel Aviv,ST=Tel Aviv,C=IL

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

97:ab:72:d8:08:e4:41:55:b5:40:3b:ad:7e:45:12:c7:70:cc:fc:e1
Signer

Actual PE Digest

97:ab:72:d8:08:e4:41:55:b5:40:3b:ad:7e:45:12:c7:70:cc:fc:e1

Digest Algorithm

sha1

PE Digest Matches

true

Headers

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_BYTES_REVERSED_HI

Sections

UPX0
Size: - Virtual size: 592KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 524KB - Virtual size: 528KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 29KB - Virtual size: 32KB

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_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_BYTES_REVERSED_HI

Sections

CODE
Size: 781KB - Virtual size: 781KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

DATA
Size: 20KB - Virtual size: 19KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

BSS
Size: - Virtual size: 15KB

IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 13KB - Virtual size: 12KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.tls
Size: - Virtual size: 16B

IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 512B - Virtual size: 24B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 45KB - Virtual size: 44KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 214KB - Virtual size: 213KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Code Sign

2b:ca:6b:fd:ab:7e:56:37:ba:8e:7e:9c:64:00:cc:75Certificate

Extended Key Usages

Key Usages

97:ab:72:d8:08:e4:41:55:b5:40:3b:ad:7e:45:12:c7:70:cc:fc:e1Signer

Headers

File Characteristics

Sections

UPX0 Size: - Virtual size: 592KB

UPX1 Size: 524KB - Virtual size: 528KB

.rsrc Size: 29KB - Virtual size: 32KB

Headers

File Characteristics

Sections

CODE Size: 781KB - Virtual size: 781KB

DATA Size: 20KB - Virtual size: 19KB

BSS Size: - Virtual size: 15KB

.idata Size: 13KB - Virtual size: 12KB

.tls Size: - Virtual size: 16B

.rdata Size: 512B - Virtual size: 24B

.reloc Size: 45KB - Virtual size: 44KB

.rsrc Size: 214KB - Virtual size: 213KB

2b:ca:6b:fd:ab:7e:56:37:ba:8e:7e:9c:64:00:cc:75
Certificate

97:ab:72:d8:08:e4:41:55:b5:40:3b:ad:7e:45:12:c7:70:cc:fc:e1
Signer

UPX0
Size: - Virtual size: 592KB

UPX1
Size: 524KB - Virtual size: 528KB

.rsrc
Size: 29KB - Virtual size: 32KB

CODE
Size: 781KB - Virtual size: 781KB

DATA
Size: 20KB - Virtual size: 19KB

BSS
Size: - Virtual size: 15KB

.idata
Size: 13KB - Virtual size: 12KB

.tls
Size: - Virtual size: 16B

.rdata
Size: 512B - Virtual size: 24B

.reloc
Size: 45KB - Virtual size: 44KB

.rsrc
Size: 214KB - Virtual size: 213KB