a5e4783a176c3e2b6dee1315db717846f25210c317011c21a43d1a9ef58bcc68

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General

Target

a5e4783a176c3e2b6dee1315db717846f25210c317011c21a43d1a9ef58bcc68
Size

1.3MB
MD5

fde94f0fadd048f49de127b8760d2fa7
SHA1

0c35899c2d4cf24a1b986b13cf3963ba0160bc6b
SHA256

a5e4783a176c3e2b6dee1315db717846f25210c317011c21a43d1a9ef58bcc68
SHA512

aabd77971e08ca1f1339e6d97aae054a05e543e8c79cf5f3ea6577ca0e48512909283eacb9b1776adaf43ee0ab02f9935351047194374671ee152379cea4d9ad
SSDEEP

24576:Lm/99CP4FJm8LqCcRKNmQ+pzPN7pxJsRCzACpbdU05axImY/qQs2WuCf:q9AEmxLAQ3xJsRC/HU0QjOxs2Sf

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

a5e4783a176c3e2b6dee1315db717846f25210c317011c21a43d1a9ef58bcc68
.exe windows:5 windows x86

Code Sign

18:9d:9a:a8:31:f5:d7:a8:42:3e:96:7d:ad:bc:b1:d9
Certificate

Issuer

CN=DongLu,1.2.840.113549.1.9.1=#0c126e6f6f646c6531393833403132362e636f6d

Not Before

12/01/2021, 14:21

Not After

31/12/2039, 23:59

Subject

CN=PuTTY-nd,1.2.840.113549.1.9.1=#0c126e6f6f646c6531393833403132362e636f6d

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

92:37:c6:37:a0:b2:c8:76:d8:64:e7:1a:ca:bf:0c:ed:43:30:65:1d
Signer

Actual PE Digest

92:37:c6:37:a0:b2:c8:76:d8:64:e7:1a:ca:bf:0c:ed:43:30:65:1d

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_32BIT_MACHINE

Sections

UPX0
Size: - Virtual size: 1.9MB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 1.3MB - Virtual size: 1.3MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 35KB - Virtual size: 36KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
out.upx
.exe windows:5 windows 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_32BIT_MACHINE

Sections

.text
Size: 2.3MB - Virtual size: 2.3MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 530KB - Virtual size: 530KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 35KB - Virtual size: 70KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 264KB - Virtual size: 263KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Code Sign

18:9d:9a:a8:31:f5:d7:a8:42:3e:96:7d:ad:bc:b1:d9Certificate

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

92:37:c6:37:a0:b2:c8:76:d8:64:e7:1a:ca:bf:0c:ed:43:30:65:1dSigner

Headers

DLL Characteristics

File Characteristics

Sections

UPX0 Size: - Virtual size: 1.9MB

UPX1 Size: 1.3MB - Virtual size: 1.3MB

.rsrc Size: 35KB - Virtual size: 36KB

Headers

DLL Characteristics

File Characteristics

Sections

.text Size: 2.3MB - Virtual size: 2.3MB

.rdata Size: 530KB - Virtual size: 530KB

.data Size: 35KB - Virtual size: 70KB

.rsrc Size: 264KB - Virtual size: 263KB

18:9d:9a:a8:31:f5:d7:a8:42:3e:96:7d:ad:bc:b1:d9
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

92:37:c6:37:a0:b2:c8:76:d8:64:e7:1a:ca:bf:0c:ed:43:30:65:1d
Signer

UPX0
Size: - Virtual size: 1.9MB

UPX1
Size: 1.3MB - Virtual size: 1.3MB

.rsrc
Size: 35KB - Virtual size: 36KB

.text
Size: 2.3MB - Virtual size: 2.3MB

.rdata
Size: 530KB - Virtual size: 530KB

.data
Size: 35KB - Virtual size: 70KB

.rsrc
Size: 264KB - Virtual size: 263KB