efff2f67c2a87ef209a812aed5f500bbefc7a0c1d6ee09f8f2df4dd553c25641

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General

Target

efff2f67c2a87ef209a812aed5f500bbefc7a0c1d6ee09f8f2df4dd553c25641
Size

542KB
MD5

7cfb03d4daa3078932e2846c0b66f250
SHA1

375a79573ea1e33bd1f8f7d01a1a01ba2fcbf644
SHA256

efff2f67c2a87ef209a812aed5f500bbefc7a0c1d6ee09f8f2df4dd553c25641
SHA512

0f2a5b7657d8f19c68ca2f69ea3bdde4be2b2e1b7a773ce24d7fcfcbf6ea0b8aeadcf4a93175584806570aa7b4cfe321bc5d60f69abc7dfc2182f0b49b491045
SSDEEP

12288:E9RBuRfnEAvh554Z35K/RS4vBrqcvPsKb/E6+7W1Wm1m4m6H:EbBuRf7D5+g5maBb/E6+7WoYmR6H

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

efff2f67c2a87ef209a812aed5f500bbefc7a0c1d6ee09f8f2df4dd553c25641
.exe windows x86

Code Sign

04:7a:53
Certificate

Issuer

CN=Certum CA,O=Unizeto Sp. z o.o.,C=PL

Not Before

03/03/2009, 12:53

Not After

03/03/2024, 12:53

Subject

CN=Certum Level III CA,OU=Certum Certification Authority,O=Unizeto Technologies S.A.,C=PL

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

01:00:20
Certificate

Issuer

CN=Certum CA,O=Unizeto Sp. z o.o.,C=PL

Not Before

11/06/2002, 10:46

Not After

11/06/2027, 10:46

Subject

CN=Certum CA,O=Unizeto Sp. z o.o.,C=PL

31:a1:68:39:bf:24:64:37:97:1c:e0:d3:db:83:6b:1c
Certificate

Issuer

CN=Certum Level III CA,OU=Certum Certification Authority,O=Unizeto Technologies S.A.,C=PL

Not Before

05/08/2013, 05:53

Not After

05/08/2014, 05:53

Subject

CN=Open Source Developer\, BRSOFTWARE,O=BR SOFTWARE LLC,C=US,1.2.840.113549.1.9.1=#0c176272736f6674776172656c6c6340676d61696c2e636f6d

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

Signer

Actual PE Digest

Digest Algorithm

PE Digest Matches

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: 876KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 511KB - Virtual size: 512KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 26KB - Virtual size: 28KB

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: 672KB - Virtual size: 672KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

DATA
Size: 11KB - Virtual size: 11KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

BSS
Size: - Virtual size: 4KB

IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 10KB - Virtual size: 9KB

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: 49KB - Virtual size: 48KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 607KB - Virtual size: 607KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Code Sign

04:7a:53Certificate

Key Usages

01:00:20Certificate

31:a1:68:39:bf:24:64:37:97:1c:e0:d3:db:83:6b:1cCertificate

Extended Key Usages

Key Usages

Signer

Headers

File Characteristics

Sections

UPX0 Size: - Virtual size: 876KB

UPX1 Size: 511KB - Virtual size: 512KB

.rsrc Size: 26KB - Virtual size: 28KB

Headers

File Characteristics

Sections

CODE Size: 672KB - Virtual size: 672KB

DATA Size: 11KB - Virtual size: 11KB

BSS Size: - Virtual size: 4KB

.idata Size: 10KB - Virtual size: 9KB

.tls Size: - Virtual size: 16B

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

.reloc Size: 49KB - Virtual size: 48KB

.rsrc Size: 607KB - Virtual size: 607KB

04:7a:53
Certificate

01:00:20
Certificate

31:a1:68:39:bf:24:64:37:97:1c:e0:d3:db:83:6b:1c
Certificate

UPX0
Size: - Virtual size: 876KB

UPX1
Size: 511KB - Virtual size: 512KB

.rsrc
Size: 26KB - Virtual size: 28KB

CODE
Size: 672KB - Virtual size: 672KB

DATA
Size: 11KB - Virtual size: 11KB

BSS
Size: - Virtual size: 4KB

.idata
Size: 10KB - Virtual size: 9KB

.tls
Size: - Virtual size: 16B

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

.reloc
Size: 49KB - Virtual size: 48KB

.rsrc
Size: 607KB - Virtual size: 607KB