2024-10-09_e7f65322ad08fce225456ea3f10953f0_cryptolocker

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General

Target

2024-10-09_e7f65322ad08fce225456ea3f10953f0_cryptolocker
Size

63KB
MD5

e7f65322ad08fce225456ea3f10953f0
SHA1

8691747cf3e09a8e63626299c07a7c9061f65ef6
SHA256

135db0d9e7c0d0ee7e27b5970648b05f5994a1545a4542dc62bcad67425a1e39
SHA512

41e65490eb18e4d72afcbc8304ae50a33f6b50d1b5feb2223d2d26dd1cf0e95d2e3422688c1dd796e10f739d26e8ba7406626a3e26a1856d2982d14b905a8011
SSDEEP

768:0Qz7yVEhs9+syJP6ntOOtEvwDpjFSXOQ69zbjlAAX5e9z9D:0j+soPSMOtEvwDpjwizbR9Xwz9D

Score

5^/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

2024-10-09_e7f65322ad08fce225456ea3f10953f0_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

6e:9c:8a:4f:ce:74:8f:32:7a:b6:df:38:28:0a:23:5f:fd:25:be:1a:84:28:e8:83:ff:c6:f7:3b:2c:eb:37:02
Signer

Actual PE Digest

6e:9c:8a:4f:ce:74:8f:32:7a:b6:df:38:28:0a:23:5f:fd:25:be:1a:84:28:e8:83:ff:c6:f7:3b:2c:eb:37:02

Digest Algorithm

sha256

PE Digest Matches

false

6e:9c:8a:4f:ce:74:8f:32:7a:b6:df:38:28:0a:23:5f:fd:25:be:1a:84:28:e8:83:ff:c6:f7:3b:2c:eb:37:02
Signer

Actual PE Digest

6e:9c:8a:4f:ce:74:8f:32:7a:b6:df:38:28:0a:23:5f:fd:25:be:1a:84:28:e8:83:ff:c6:f7:3b:2c:eb:37:02

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

6e:9c:8a:4f:ce:74:8f:32:7a:b6:df:38:28:0a:23:5f:fd:25:be:1a:84:28:e8:83:ff:c6:f7:3b:2c:eb:37:02Signer

6e:9c:8a:4f:ce:74:8f:32:7a:b6:df:38:28:0a:23:5f:fd:25:be:1a:84:28:e8:83:ff:c6:f7:3b:2c:eb:37:02Signer

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

6e:9c:8a:4f:ce:74:8f:32:7a:b6:df:38:28:0a:23:5f:fd:25:be:1a:84:28:e8:83:ff:c6:f7:3b:2c:eb:37:02
Signer

6e:9c:8a:4f:ce:74:8f:32:7a:b6:df:38:28:0a:23:5f:fd:25:be:1a:84:28:e8:83:ff:c6:f7:3b:2c:eb:37:02
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