2024-07-09_2dde355e9b38d4b008c8b46a581d8d60_cryptolocker

Sharing

Copy URL Twitter E-mail

General

Target

2024-07-09_2dde355e9b38d4b008c8b46a581d8d60_cryptolocker
Size

64KB
MD5

2dde355e9b38d4b008c8b46a581d8d60
SHA1

ce8d175f0bc06e121cfb85949ca20111279530ec
SHA256

6881641b35019dd47155f69dd043813d55d1d4a4e6e9a28cebaa20ead28dc9fd
SHA512

051cba1d5c231cc804241420e7ba680ddff9ef53d10508c3f8981d5962a80b73d0a44f645a48c26c1bf7a68f312518a2beb8454a2c688545aed5b5266d633e86
SSDEEP

768:0Qz7yVEhs9+syJP6ntOOtEvwDpjFSXOQ69zbjlAAX5e9zR:0j+soPSMOtEvwDpjwizbR9XwzR

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

2024-07-09_2dde355e9b38d4b008c8b46a581d8d60_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

f5:56:77:29:54:e1:1a:98:14:ee:17:91:24:ec:1a:54:83:c1:8a:0a:2f:dd:0a:79:f1:ac:cf:4a:a4:c6:11:89
Signer

Actual PE Digest

f5:56:77:29:54:e1:1a:98:14:ee:17:91:24:ec:1a:54:83:c1:8a:0a:2f:dd:0a:79:f1:ac:cf:4a:a4:c6:11:89

Digest Algorithm

sha256

PE Digest Matches

false

f5:56:77:29:54:e1:1a:98:14:ee:17:91:24:ec:1a:54:83:c1:8a:0a:2f:dd:0a:79:f1:ac:cf:4a:a4:c6:11:89
Signer

Actual PE Digest

f5:56:77:29:54:e1:1a:98:14:ee:17:91:24:ec:1a:54:83:c1:8a:0a:2f:dd:0a:79:f1:ac:cf:4a:a4:c6:11:89

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

f5:56:77:29:54:e1:1a:98:14:ee:17:91:24:ec:1a:54:83:c1:8a:0a:2f:dd:0a:79:f1:ac:cf:4a:a4:c6:11:89Signer

f5:56:77:29:54:e1:1a:98:14:ee:17:91:24:ec:1a:54:83:c1:8a:0a:2f:dd:0a:79:f1:ac:cf:4a:a4:c6:11:89Signer

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

f5:56:77:29:54:e1:1a:98:14:ee:17:91:24:ec:1a:54:83:c1:8a:0a:2f:dd:0a:79:f1:ac:cf:4a:a4:c6:11:89
Signer

f5:56:77:29:54:e1:1a:98:14:ee:17:91:24:ec:1a:54:83:c1:8a:0a:2f:dd:0a:79:f1:ac:cf:4a:a4:c6:11:89
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