2024-10-13_7ed208865324bdfeddf3e464d9a2d28e_cryptolocker

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General

Target

2024-10-13_7ed208865324bdfeddf3e464d9a2d28e_cryptolocker
Size

63KB
MD5

7ed208865324bdfeddf3e464d9a2d28e
SHA1

7d3b07fa2ec01048eb6aa2810137f69b7a1b9987
SHA256

b7f5c5b9315f1452e5f5c1b4a2fd82d8922fa51a4ca8892000f9c8449b793da6
SHA512

5f13b7abe7e80dd7413f8c66bd4bf2bd813cb3bbd8812c177850fa0fac011c5bd0a5f32702c8e13a3c1846f855b7dee7fc02c8068893b490fa2216d1d8f8ddbf
SSDEEP

768:0Qz7yVEhs9+syJP6ntOOtEvwDpjFSXOQ69zbjlAAX5e9z+:0j+soPSMOtEvwDpjwizbR9Xwz+

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

2024-10-13_7ed208865324bdfeddf3e464d9a2d28e_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

de:df:45:15:90:7a:e8:7e:03:5a:15:59:fd:7a:68:5f:d4:e0:0f:56:72:6e:47:72:ec:36:29:9d:f0:36:86:6a
Signer

Actual PE Digest

de:df:45:15:90:7a:e8:7e:03:5a:15:59:fd:7a:68:5f:d4:e0:0f:56:72:6e:47:72:ec:36:29:9d:f0:36:86:6a

Digest Algorithm

sha256

PE Digest Matches

false

de:df:45:15:90:7a:e8:7e:03:5a:15:59:fd:7a:68:5f:d4:e0:0f:56:72:6e:47:72:ec:36:29:9d:f0:36:86:6a
Signer

Actual PE Digest

de:df:45:15:90:7a:e8:7e:03:5a:15:59:fd:7a:68:5f:d4:e0:0f:56:72:6e:47:72:ec:36:29:9d:f0:36:86:6a

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

de:df:45:15:90:7a:e8:7e:03:5a:15:59:fd:7a:68:5f:d4:e0:0f:56:72:6e:47:72:ec:36:29:9d:f0:36:86:6aSigner

de:df:45:15:90:7a:e8:7e:03:5a:15:59:fd:7a:68:5f:d4:e0:0f:56:72:6e:47:72:ec:36:29:9d:f0:36:86:6aSigner

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

de:df:45:15:90:7a:e8:7e:03:5a:15:59:fd:7a:68:5f:d4:e0:0f:56:72:6e:47:72:ec:36:29:9d:f0:36:86:6a
Signer

de:df:45:15:90:7a:e8:7e:03:5a:15:59:fd:7a:68:5f:d4:e0:0f:56:72:6e:47:72:ec:36:29:9d:f0:36:86:6a
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