2024-09-09_02cd5424ca68f9a2899daa66464ec5eb_cryptolocker

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General

Target

2024-09-09_02cd5424ca68f9a2899daa66464ec5eb_cryptolocker
Size

63KB
MD5

02cd5424ca68f9a2899daa66464ec5eb
SHA1

de7b5e083c914a15f7dac63c20c6fc5fc4ee02f3
SHA256

6153e82503bae60ec8f793f35caa8d2cae8257b1d282ca71f4bbc52f3762e1b1
SHA512

4c6627f0f9f75a37a2c639c21e139d92621b8c6ecf3ffe109c5304416712d7dce519364331ce64997c44eb56dc17c7797c824c469998125c6214a21bafb0dbcd
SSDEEP

768:0Qz7yVEhs9+syJP6ntOOtEvwDpjFSXOQ69zbjlAAX5e9zf:0j+soPSMOtEvwDpjwizbR9Xwzf

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

2024-09-09_02cd5424ca68f9a2899daa66464ec5eb_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

58:69:76:40:f0:fa:3a:e2:51:57:a0:15:f6:9e:03:96:d6:7b:e3:f7:9c:b6:88:e2:e3:60:df:ed:3d:25:43:bf
Signer

Actual PE Digest

58:69:76:40:f0:fa:3a:e2:51:57:a0:15:f6:9e:03:96:d6:7b:e3:f7:9c:b6:88:e2:e3:60:df:ed:3d:25:43:bf

Digest Algorithm

sha256

PE Digest Matches

false

58:69:76:40:f0:fa:3a:e2:51:57:a0:15:f6:9e:03:96:d6:7b:e3:f7:9c:b6:88:e2:e3:60:df:ed:3d:25:43:bf
Signer

Actual PE Digest

58:69:76:40:f0:fa:3a:e2:51:57:a0:15:f6:9e:03:96:d6:7b:e3:f7:9c:b6:88:e2:e3:60:df:ed:3d:25:43:bf

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

58:69:76:40:f0:fa:3a:e2:51:57:a0:15:f6:9e:03:96:d6:7b:e3:f7:9c:b6:88:e2:e3:60:df:ed:3d:25:43:bfSigner

58:69:76:40:f0:fa:3a:e2:51:57:a0:15:f6:9e:03:96:d6:7b:e3:f7:9c:b6:88:e2:e3:60:df:ed:3d:25:43:bfSigner

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

58:69:76:40:f0:fa:3a:e2:51:57:a0:15:f6:9e:03:96:d6:7b:e3:f7:9c:b6:88:e2:e3:60:df:ed:3d:25:43:bf
Signer

58:69:76:40:f0:fa:3a:e2:51:57:a0:15:f6:9e:03:96:d6:7b:e3:f7:9c:b6:88:e2:e3:60:df:ed:3d:25:43:bf
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