b3ef0d435e7c72fe15718c7b8367203f1269b133711300eb0b2378918eee7ca3

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General

Target

b3ef0d435e7c72fe15718c7b8367203f1269b133711300eb0b2378918eee7ca3
Size

556KB
MD5

30856be22590d3b6cb1d5ac0a04d0670
SHA1

33f0a7c9da2fc3703ad39697ab4b930fad8d3114
SHA256

b3ef0d435e7c72fe15718c7b8367203f1269b133711300eb0b2378918eee7ca3
SHA512

8a1225cd9182c7c08ed0f7556a892534ab2fd11f9891feac54235bbd6626ee84a7b95acec7fb05d21fc0cdde65e3e7b5417e42fc0863fdb253a0d97d77f9b035
SSDEEP

12288:1GosTxSzpDq5VNYdyOshT5l4/86CaIhvPfNMIM1P27QwMMT6:1GosTxSEXzOV/UaIBNLMp20wMMT6

Score

8^/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

Files

b3ef0d435e7c72fe15718c7b8367203f1269b133711300eb0b2378918eee7ca3
.exe windows 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

74:4e:3b:de:fc:95:6f:17:15:b3:bb:0f:86:9b:20:ff:89:77:12:f8
Signer

Actual PE Digest

74:4e:3b:de:fc:95:6f:17:15:b3:bb:0f:86:9b:20:ff:89:77:12:f8

Digest Algorithm

sha1

PE Digest Matches

true

Signature Validations

Trusted

false

Verification

Signing Certificate

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

01/12/2022, 14:34
Valid: false

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: 596KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 525KB - Virtual size: 528KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 28KB - Virtual size: 32KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
out.upx
.exe windows 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: 783KB - Virtual size: 782KB

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: 219KB - Virtual size: 219KB

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

74:4e:3b:de:fc:95:6f:17:15:b3:bb:0f:86:9b:20:ff:89:77:12:f8Signer

Signature Validations

Verification

01/12/2022, 14:34 Valid: false

Headers

File Characteristics

Sections

UPX0 Size: - Virtual size: 596KB

UPX1 Size: 525KB - Virtual size: 528KB

.rsrc Size: 28KB - Virtual size: 32KB

Headers

File Characteristics

Sections

CODE Size: 783KB - Virtual size: 782KB

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: 219KB - Virtual size: 219KB

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

74:4e:3b:de:fc:95:6f:17:15:b3:bb:0f:86:9b:20:ff:89:77:12:f8
Signer

01/12/2022, 14:34
Valid: false

UPX0
Size: - Virtual size: 596KB

UPX1
Size: 525KB - Virtual size: 528KB

.rsrc
Size: 28KB - Virtual size: 32KB

CODE
Size: 783KB - Virtual size: 782KB

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: 219KB - Virtual size: 219KB