2024-06-06_2a42c396cb67515b863bdf46bb0d98da_cryptolocker

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General

Target

2024-06-06_2a42c396cb67515b863bdf46bb0d98da_cryptolocker
Size

51KB
MD5

2a42c396cb67515b863bdf46bb0d98da
SHA1

1befcce1569e4d80bc8ee2cba7f171f3d16842cd
SHA256

f8381c445b596d09f3c66b9ff5c1fcf8b38cc0cfac68b696e3da33a1f82fa327
SHA512

ab051ee7ba4dc8be12895d8c804ce1ff9055a43ff4e5419d0b76a6c462981115186145c608210fe902ad08467417a7b3092a701b8ed9841785cb7c86cadbd29c
SSDEEP

768:iQz7yiEhs9+4BnR1bytOOtEvwDpjTzXOQ69zbjlAAX5e9zz:iy+mGMOtEvwDpjnizbR9Xwzz

Score

10^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
sample	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
sample	CryptoLocker_set1

Detects executables built or packed with MPress PE compressor 1 IoCs

resource	yara_rule
sample	INDICATOR_EXE_Packed_MPress

Files

2024-06-06_2a42c396cb67515b863bdf46bb0d98da_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

49:0a:39:6c:c9:44:9f:9c:15:e8:d8:ab:b9:a7:3a:25:5f:93:b8:a2:e9:fb:c4:dd:92:00:89:27:6e:82:4b:e3
Signer

Actual PE Digest

49:0a:39:6c:c9:44:9f:9c:15:e8:d8:ab:b9:a7:3a:25:5f:93:b8:a2:e9:fb:c4:dd:92:00:89:27:6e:82:4b:e3

Digest Algorithm

sha256

PE Digest Matches

false

49:0a:39:6c:c9:44:9f:9c:15:e8:d8:ab:b9:a7:3a:25:5f:93:b8:a2:e9:fb:c4:dd:92:00:89:27:6e:82:4b:e3
Signer

Actual PE Digest

49:0a:39:6c:c9:44:9f:9c:15:e8:d8:ab:b9:a7:3a:25:5f:93:b8:a2:e9:fb:c4:dd:92:00:89:27:6e:82:4b:e3

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

.MPRESS1
Size: 17KB - Virtual size: 36KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.MPRESS2
Size: 1024B - Virtual size: 4KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 13KB - Virtual size: 16KB

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

49:0a:39:6c:c9:44:9f:9c:15:e8:d8:ab:b9:a7:3a:25:5f:93:b8:a2:e9:fb:c4:dd:92:00:89:27:6e:82:4b:e3Signer

49:0a:39:6c:c9:44:9f:9c:15:e8:d8:ab:b9:a7:3a:25:5f:93:b8:a2:e9:fb:c4:dd:92:00:89:27:6e:82:4b:e3Signer

Headers

File Characteristics

Sections

.MPRESS1 Size: 17KB - Virtual size: 36KB

.MPRESS2 Size: 1024B - Virtual size: 4KB

.rsrc Size: 13KB - Virtual size: 16KB

.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

49:0a:39:6c:c9:44:9f:9c:15:e8:d8:ab:b9:a7:3a:25:5f:93:b8:a2:e9:fb:c4:dd:92:00:89:27:6e:82:4b:e3
Signer

49:0a:39:6c:c9:44:9f:9c:15:e8:d8:ab:b9:a7:3a:25:5f:93:b8:a2:e9:fb:c4:dd:92:00:89:27:6e:82:4b:e3
Signer

.MPRESS1
Size: 17KB - Virtual size: 36KB

.MPRESS2
Size: 1024B - Virtual size: 4KB

.rsrc
Size: 13KB - Virtual size: 16KB

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