a3471794f08e5f6bc49ce9340e606be5a11abb18cfae9dfdaddef515636ae40c

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General

Target

a3471794f08e5f6bc49ce9340e606be5a11abb18cfae9dfdaddef515636ae40c
Size

1.1MB
MD5

cdc9b440bfd0f9193f25f06eee001959
SHA1

fd8d0e254cde0727b97682ffecadea90f19631a5
SHA256

a3471794f08e5f6bc49ce9340e606be5a11abb18cfae9dfdaddef515636ae40c
SHA512

e81a8e817f0de0787b67ead485b2b436650080826a12659246da35bf3b407518e7063efe03b28af0b598ab45e93079f65745f13347447722393aebc8fdfce0a6
SSDEEP

24576:DS7SAvpnlOVYQZye2u/Z7Kl+ItAoaY8zf9Az:DcZpwVYULXR3ItAA8zfyz

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

a3471794f08e5f6bc49ce9340e606be5a11abb18cfae9dfdaddef515636ae40c
.exe windows:6 windows x86 arch:x86

Code Sign

04:a5:3b:ee:22:ea:84:ad
Certificate

Issuer

CN=Rasyonel,C=RU

Not Before

14/08/2023, 00:00

Not After

14/08/2033, 00:00

Subject

CN=Rasyonel,C=RU

Extended Key Usages

ExtKeyUsageCodeSigning

30:0f:6f:ac:dd:66:98:74:7c:a9:46:36:a7:78:2d:b9
Certificate

Issuer

CN=USERTrust RSA Certification Authority,O=The USERTRUST Network,L=Jersey City,ST=New Jersey,C=US

Not Before

02/05/2019, 00:00

Not After

18/01/2038, 23:59

Subject

CN=Sectigo RSA Time Stamping CA,O=Sectigo Limited,L=Salford,ST=Greater Manchester,C=GB

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

39:4c:25:e1:7c:a0:6d:27:a8:65:e2:3b:d9:1d:22:d4
Certificate

Issuer

CN=Sectigo RSA Time Stamping CA,O=Sectigo Limited,L=Salford,ST=Greater Manchester,C=GB

Not Before

03/05/2023, 00:00

Not After

02/08/2034, 23:59

Subject

CN=Sectigo RSA Time Stamping Signer #4,O=Sectigo Limited,ST=Manchester,C=GB

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageContentCommitment

fb:cc:1f:80:3c:0c:64:ac:bb:c5:b6:c4:ef:13:a5:59:90:36:43:17
Signer

Actual PE Digest

fb:cc:1f:80:3c:0c:64:ac:bb:c5:b6:c4:ef:13:a5:59:90:36:43:17

Digest Algorithm

sha1

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE

Sections

UPX0
Size: - Virtual size: 2.0MB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 1.0MB - Virtual size: 1.0MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 70KB - Virtual size: 72KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
out.upx
.exe windows:6 windows x86 arch:x86

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE

Sections

.text
Size: 2.1MB - Virtual size: 2.1MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 403KB - Virtual size: 403KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 195KB - Virtual size: 447KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.data1
Size: 2KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 103KB - Virtual size: 103KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Code Sign

04:a5:3b:ee:22:ea:84:adCertificate

Extended Key Usages

30:0f:6f:ac:dd:66:98:74:7c:a9:46:36:a7:78:2d:b9Certificate

Extended Key Usages

Key Usages

39:4c:25:e1:7c:a0:6d:27:a8:65:e2:3b:d9:1d:22:d4Certificate

Extended Key Usages

Key Usages

fb:cc:1f:80:3c:0c:64:ac:bb:c5:b6:c4:ef:13:a5:59:90:36:43:17Signer

Headers

DLL Characteristics

File Characteristics

Sections

UPX0 Size: - Virtual size: 2.0MB

UPX1 Size: 1.0MB - Virtual size: 1.0MB

.rsrc Size: 70KB - Virtual size: 72KB

Headers

DLL Characteristics

File Characteristics

Sections

.text Size: 2.1MB - Virtual size: 2.1MB

.rdata Size: 403KB - Virtual size: 403KB

.data Size: 195KB - Virtual size: 447KB

.data1 Size: 2KB - Virtual size: 2KB

.rsrc Size: 103KB - Virtual size: 103KB

04:a5:3b:ee:22:ea:84:ad
Certificate

30:0f:6f:ac:dd:66:98:74:7c:a9:46:36:a7:78:2d:b9
Certificate

39:4c:25:e1:7c:a0:6d:27:a8:65:e2:3b:d9:1d:22:d4
Certificate

fb:cc:1f:80:3c:0c:64:ac:bb:c5:b6:c4:ef:13:a5:59:90:36:43:17
Signer

UPX0
Size: - Virtual size: 2.0MB

UPX1
Size: 1.0MB - Virtual size: 1.0MB

.rsrc
Size: 70KB - Virtual size: 72KB

.text
Size: 2.1MB - Virtual size: 2.1MB

.rdata
Size: 403KB - Virtual size: 403KB

.data
Size: 195KB - Virtual size: 447KB

.data1
Size: 2KB - Virtual size: 2KB

.rsrc
Size: 103KB - Virtual size: 103KB