381f427c3cb3eab476ebc2ca0e376e75

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General

Target

381f427c3cb3eab476ebc2ca0e376e75
Size

538KB
MD5

381f427c3cb3eab476ebc2ca0e376e75
SHA1

42c885ba33149b77b2626f554b8d46af7615817e
SHA256

37b4219036f9ba6796caa5d084ec26142e0632bc21af33126fff7b90e59b8596
SHA512

9a8ac5afbfc596eb7fa660046eea27a092879e0e19353cc547adaad21e064fd27f0607bc92251af068b2b7cd6935935eda2058a7a69f95446574a390ecd8a97f
SSDEEP

12288:iKViCKF/zV7/6imRO30ywotkrggYWm3mqbkVCMMhv:iyiCiwiV30yF2rgf9mqbkVCMMhv

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

381f427c3cb3eab476ebc2ca0e376e75
.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

87:b7:9f:12:57:15:ec:b4:1a:12:ec:ad:bc:bd:15:19:d0:60:c1:85
Signer

Actual PE Digest

87:b7:9f:12:57:15:ec:b4:1a:12:ec:ad:bc:bd:15:19:d0:60:c1:85

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: 564KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 503KB - Virtual size: 504KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 31KB - 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: 737KB - Virtual size: 737KB

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: 43KB - Virtual size: 42KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 209KB - Virtual size: 209KB

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

87:b7:9f:12:57:15:ec:b4:1a:12:ec:ad:bc:bd:15:19:d0:60:c1:85Signer

Headers

File Characteristics

Sections

UPX0 Size: - Virtual size: 564KB

UPX1 Size: 503KB - Virtual size: 504KB

.rsrc Size: 31KB - Virtual size: 32KB

Headers

File Characteristics

Sections

CODE Size: 737KB - Virtual size: 737KB

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: 43KB - Virtual size: 42KB

.rsrc Size: 209KB - Virtual size: 209KB

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

87:b7:9f:12:57:15:ec:b4:1a:12:ec:ad:bc:bd:15:19:d0:60:c1:85
Signer

UPX0
Size: - Virtual size: 564KB

UPX1
Size: 503KB - Virtual size: 504KB

.rsrc
Size: 31KB - Virtual size: 32KB

CODE
Size: 737KB - Virtual size: 737KB

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: 43KB - Virtual size: 42KB

.rsrc
Size: 209KB - Virtual size: 209KB