2024-09-12_cc684176316c5f2d9d10f76b6891294e_cryptolocker

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General

Target

2024-09-12_cc684176316c5f2d9d10f76b6891294e_cryptolocker
Size

63KB
MD5

cc684176316c5f2d9d10f76b6891294e
SHA1

13089485260c0449635ebf8b96fd1ebe322f4a98
SHA256

df06d579949ce54ffda31a2f84ea38e936e9e3d3da1234686a194b11129ac24a
SHA512

fd22c5516f68d425e1b376c4269b265373797d043ccfb13c6def6e2c0001d75842a91f2733e36ad55916596308460aadf71426322ddceb8f90da297c9855d084
SSDEEP

768:0Qz7yVEhs9+syJP6ntOOtEvwDpjFSXOQ69zbjlAAX5e9zc:0j+soPSMOtEvwDpjwizbR9Xwzc

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

2024-09-12_cc684176316c5f2d9d10f76b6891294e_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

c5:a8:6c:a9:0c:25:18:63:fd:6a:63:39:dd:9b:bb:87:dd:fc:30:29:07:96:f5:f3:e2:c9:07:28:34:6d:85:62
Signer

Actual PE Digest

c5:a8:6c:a9:0c:25:18:63:fd:6a:63:39:dd:9b:bb:87:dd:fc:30:29:07:96:f5:f3:e2:c9:07:28:34:6d:85:62

Digest Algorithm

sha256

PE Digest Matches

false

c5:a8:6c:a9:0c:25:18:63:fd:6a:63:39:dd:9b:bb:87:dd:fc:30:29:07:96:f5:f3:e2:c9:07:28:34:6d:85:62
Signer

Actual PE Digest

c5:a8:6c:a9:0c:25:18:63:fd:6a:63:39:dd:9b:bb:87:dd:fc:30:29:07:96:f5:f3:e2:c9:07:28:34:6d:85:62

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

c5:a8:6c:a9:0c:25:18:63:fd:6a:63:39:dd:9b:bb:87:dd:fc:30:29:07:96:f5:f3:e2:c9:07:28:34:6d:85:62Signer

c5:a8:6c:a9:0c:25:18:63:fd:6a:63:39:dd:9b:bb:87:dd:fc:30:29:07:96:f5:f3:e2:c9:07:28:34:6d:85:62Signer

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

c5:a8:6c:a9:0c:25:18:63:fd:6a:63:39:dd:9b:bb:87:dd:fc:30:29:07:96:f5:f3:e2:c9:07:28:34:6d:85:62
Signer

c5:a8:6c:a9:0c:25:18:63:fd:6a:63:39:dd:9b:bb:87:dd:fc:30:29:07:96:f5:f3:e2:c9:07:28:34:6d:85:62
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