2024-10-06_be66a23682a2fcdf922ae87f8abcde58_cryptolocker

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General

Target

2024-10-06_be66a23682a2fcdf922ae87f8abcde58_cryptolocker
Size

64KB
MD5

be66a23682a2fcdf922ae87f8abcde58
SHA1

8fd6d9cb0bd8dc00d4fbbfe3e3be451510345b21
SHA256

9b13dfd2a4680ea0a85b0a2b649c56376507e52c824823d5b0e32327f6debc8c
SHA512

f2fe072dec475da5641b31938b781907b8b31d6bc92ea6fdb799a35066d5e4cc286c59a7c8fd3924750222ef3cc25ca92ac4e8d4a15d07be315bfc47d47fd77d
SSDEEP

768:0Qz7yVEhs9+syJP6ntOOtEvwDpjFSXOQ69zbjlAAX5e9z9:0j+soPSMOtEvwDpjwizbR9Xwz9

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

2024-10-06_be66a23682a2fcdf922ae87f8abcde58_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

58:a5:29:c2:d9:7b:7e:da:63:94:10:24:51:01:89:7f:e9:d8:d1:9d:86:3b:41:3e:18:48:45:95:e9:61:55:60
Signer

Actual PE Digest

58:a5:29:c2:d9:7b:7e:da:63:94:10:24:51:01:89:7f:e9:d8:d1:9d:86:3b:41:3e:18:48:45:95:e9:61:55:60

Digest Algorithm

sha256

PE Digest Matches

false

58:a5:29:c2:d9:7b:7e:da:63:94:10:24:51:01:89:7f:e9:d8:d1:9d:86:3b:41:3e:18:48:45:95:e9:61:55:60
Signer

Actual PE Digest

58:a5:29:c2:d9:7b:7e:da:63:94:10:24:51:01:89:7f:e9:d8:d1:9d:86:3b:41:3e:18:48:45:95:e9:61:55:60

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

58:a5:29:c2:d9:7b:7e:da:63:94:10:24:51:01:89:7f:e9:d8:d1:9d:86:3b:41:3e:18:48:45:95:e9:61:55:60Signer

58:a5:29:c2:d9:7b:7e:da:63:94:10:24:51:01:89:7f:e9:d8:d1:9d:86:3b:41:3e:18:48:45:95:e9:61:55:60Signer

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

58:a5:29:c2:d9:7b:7e:da:63:94:10:24:51:01:89:7f:e9:d8:d1:9d:86:3b:41:3e:18:48:45:95:e9:61:55:60
Signer

58:a5:29:c2:d9:7b:7e:da:63:94:10:24:51:01:89:7f:e9:d8:d1:9d:86:3b:41:3e:18:48:45:95:e9:61:55:60
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