a2f1016dc8c70e4e3e4a3d2e4fb2aa2a

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General

Target

a2f1016dc8c70e4e3e4a3d2e4fb2aa2a
Size

553KB
MD5

a2f1016dc8c70e4e3e4a3d2e4fb2aa2a
SHA1

3a95fbc40fba5809903c6a92ba6e0e04fc84021d
SHA256

4841050d5a825a198a46da17f40efdf55272e475e3156244bae0b1d6fffa558b
SHA512

7aa16c02a76a03e29e6880cff75f1a5cec17e4646eca8eed7f22b83e6f6bfc958265778c2840ebc5e82d0769537d255e5c0a099b6726d12430f8ab67dc2aa822
SSDEEP

12288:aoMa1jSdutg4JJweRQ59cSbi+1miGH0Lq2ZmQ/knth7yMMhe:n1j0+TKNbr1tFmQ/StJyMMhe

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

a2f1016dc8c70e4e3e4a3d2e4fb2aa2a
.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

50:bf:52:84:72:c4:6d:65:95:4a:0a:c9:6f:d0:3f:fe:ad:8a:18:0f
Signer

Actual PE Digest

50:bf:52:84:72:c4:6d:65:95:4a:0a:c9:6f:d0:3f:fe:ad:8a:18:0f

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: 584KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 518KB - Virtual size: 520KB

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: 769KB - Virtual size: 768KB

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: 210KB - Virtual size: 210KB

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

50:bf:52:84:72:c4:6d:65:95:4a:0a:c9:6f:d0:3f:fe:ad:8a:18:0fSigner

Headers

File Characteristics

Sections

UPX0 Size: - Virtual size: 584KB

UPX1 Size: 518KB - Virtual size: 520KB

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

Headers

File Characteristics

Sections

CODE Size: 769KB - Virtual size: 768KB

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: 210KB - Virtual size: 210KB

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

50:bf:52:84:72:c4:6d:65:95:4a:0a:c9:6f:d0:3f:fe:ad:8a:18:0f
Signer

UPX0
Size: - Virtual size: 584KB

UPX1
Size: 518KB - Virtual size: 520KB

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

CODE
Size: 769KB - Virtual size: 768KB

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: 210KB - Virtual size: 210KB