2024-07-08_f775ed178126e759b63662720c2f6abd_cryptolocker

Sharing

Copy URL Twitter E-mail

General

Target

2024-07-08_f775ed178126e759b63662720c2f6abd_cryptolocker
Size

64KB
MD5

f775ed178126e759b63662720c2f6abd
SHA1

b9b98505b0c8e0c0230f404835b85c49d44d1f4d
SHA256

d1b9c6e86fd253bfdf5fb1994140d0434d9cae348d718aa2b6cea56db65f5f50
SHA512

b57d76c3bee5d98857ca38c42d445407836a8c93a09156bf0a0169ac04269a01b9e622e177ea799e69da447bfcd75669d6607461f027ea8854017c86add67493
SSDEEP

768:0Qz7yVEhs9+syJP6ntOOtEvwDpjFSXOQ69zbjlAAX5e9zY:0j+soPSMOtEvwDpjwizbR9XwzY

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

Files

2024-07-08_f775ed178126e759b63662720c2f6abd_cryptolocker
.exe windows:5 windows x86 arch:x86

Code Sign

33:00:00:04:39:f6:1f:7a:67:6d:a0:00:af:00:00:00:00:04:39
Certificate

Issuer

CN=Microsoft Code Signing PCA 2010,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

02/09/2021, 18:25

Not After

01/09/2022, 18:25

Subject

CN=Microsoft Corporation,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

61:0c:52:4c:00:00:00:00:00:03
Certificate

Issuer

CN=Microsoft Root Certificate Authority 2010,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

06/07/2010, 20:40

Not After

06/07/2025, 20:50

Subject

CN=Microsoft Code Signing PCA 2010,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

33:00:00:02:55:18:1d:a4:2e:e0:86:fc:15:00:00:00:00:02:55
Certificate

Issuer

CN=Microsoft Code Signing PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

02/09/2021, 18:33

Not After

01/09/2022, 18:33

Subject

CN=Microsoft Corporation,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

61:0e:90:d2:00:00:00:00:00:03
Certificate

Issuer

CN=Microsoft Root Certificate Authority 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

08/07/2011, 20:59

Not After

08/07/2026, 21:09

Subject

CN=Microsoft Code Signing PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

00:34:0a:94:c5:27:3b:62:9c:0f:c1:be:6b:f3:0c:8d:52:af:42:1c:34:ec:29:e4:7a:7a:23:a6:b5:4c:51:d0
Signer

Actual PE Digest

00:34:0a:94:c5:27:3b:62:9c:0f:c1:be:6b:f3:0c:8d:52:af:42:1c:34:ec:29:e4:7a:7a:23:a6:b5:4c:51:d0

Digest Algorithm

sha256

PE Digest Matches

false

00:34:0a:94:c5:27:3b:62:9c:0f:c1:be:6b:f3:0c:8d:52:af:42:1c:34:ec:29:e4:7a:7a:23:a6:b5:4c:51:d0
Signer

Actual PE Digest

00:34:0a:94:c5:27:3b:62:9c:0f:c1:be:6b:f3:0c:8d:52:af:42:1c:34:ec:29:e4:7a:7a:23:a6:b5:4c:51:d0

Digest Algorithm

sha256

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_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED

Sections

UPX0
Size: 20KB - Virtual size: 32KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 10KB - Virtual size: 12KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 11KB - Virtual size: 12KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.imports
Size: 1024B - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

Sharing

General

Malware Config

Signatures

Files

Code Sign

33:00:00:04:39:f6:1f:7a:67:6d:a0:00:af:00:00:00:00:04:39Certificate

Extended Key Usages

61:0c:52:4c:00:00:00:00:00:03Certificate

Key Usages

33:00:00:02:55:18:1d:a4:2e:e0:86:fc:15:00:00:00:00:02:55Certificate

Extended Key Usages

61:0e:90:d2:00:00:00:00:00:03Certificate

Key Usages

00:34:0a:94:c5:27:3b:62:9c:0f:c1:be:6b:f3:0c:8d:52:af:42:1c:34:ec:29:e4:7a:7a:23:a6:b5:4c:51:d0Signer

00:34:0a:94:c5:27:3b:62:9c:0f:c1:be:6b:f3:0c:8d:52:af:42:1c:34:ec:29:e4:7a:7a:23:a6:b5:4c:51:d0Signer

Headers

File Characteristics

Sections

UPX0 Size: 20KB - Virtual size: 32KB

UPX1 Size: 10KB - Virtual size: 12KB

.rsrc Size: 11KB - Virtual size: 12KB

.imports Size: 1024B - Virtual size: 4KB

33:00:00:04:39:f6:1f:7a:67:6d:a0:00:af:00:00:00:00:04:39
Certificate

61:0c:52:4c:00:00:00:00:00:03
Certificate

33:00:00:02:55:18:1d:a4:2e:e0:86:fc:15:00:00:00:00:02:55
Certificate

61:0e:90:d2:00:00:00:00:00:03
Certificate

00:34:0a:94:c5:27:3b:62:9c:0f:c1:be:6b:f3:0c:8d:52:af:42:1c:34:ec:29:e4:7a:7a:23:a6:b5:4c:51:d0
Signer

00:34:0a:94:c5:27:3b:62:9c:0f:c1:be:6b:f3:0c:8d:52:af:42:1c:34:ec:29:e4:7a:7a:23:a6:b5:4c:51:d0
Signer

UPX0
Size: 20KB - Virtual size: 32KB

UPX1
Size: 10KB - Virtual size: 12KB

.rsrc
Size: 11KB - Virtual size: 12KB

.imports
Size: 1024B - Virtual size: 4KB