2024-08-29_9457afa68df7807f6bd590badc8ca368_cryptolocker

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General

Target

2024-08-29_9457afa68df7807f6bd590badc8ca368_cryptolocker
Size

63KB
MD5

9457afa68df7807f6bd590badc8ca368
SHA1

018ef3ff3bf60bffef9b0beb6c83c6a51e9165bc
SHA256

fad72d0f1889fdbd5e7cc61b4ffd3cda3e06d0d7adb2889e26a61ce06df72ffb
SHA512

bdcddfa3db87903cbcd683609cb1105325c06e285ff6e26187bddb5472d2b57d3f57c0d69c35d0e42306ea85b2d870712957307eaae5fc9e9f57f73664b4597c
SSDEEP

768:0Qz7yVEhs9+syJP6ntOOtEvwDpjFSXOQ69zbjlAAX5e9zay:0j+soPSMOtEvwDpjwizbR9Xwzay

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

2024-08-29_9457afa68df7807f6bd590badc8ca368_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

83:65:b9:e8:94:5f:2d:d2:f4:b1:9c:36:ec:3e:d5:f4:4f:8c:c0:73:07:6b:fb:12:b9:01:b3:31:5d:69:dd:36
Signer

Actual PE Digest

83:65:b9:e8:94:5f:2d:d2:f4:b1:9c:36:ec:3e:d5:f4:4f:8c:c0:73:07:6b:fb:12:b9:01:b3:31:5d:69:dd:36

Digest Algorithm

sha256

PE Digest Matches

false

83:65:b9:e8:94:5f:2d:d2:f4:b1:9c:36:ec:3e:d5:f4:4f:8c:c0:73:07:6b:fb:12:b9:01:b3:31:5d:69:dd:36
Signer

Actual PE Digest

83:65:b9:e8:94:5f:2d:d2:f4:b1:9c:36:ec:3e:d5:f4:4f:8c:c0:73:07:6b:fb:12:b9:01:b3:31:5d:69:dd:36

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

83:65:b9:e8:94:5f:2d:d2:f4:b1:9c:36:ec:3e:d5:f4:4f:8c:c0:73:07:6b:fb:12:b9:01:b3:31:5d:69:dd:36Signer

83:65:b9:e8:94:5f:2d:d2:f4:b1:9c:36:ec:3e:d5:f4:4f:8c:c0:73:07:6b:fb:12:b9:01:b3:31:5d:69:dd:36Signer

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

83:65:b9:e8:94:5f:2d:d2:f4:b1:9c:36:ec:3e:d5:f4:4f:8c:c0:73:07:6b:fb:12:b9:01:b3:31:5d:69:dd:36
Signer

83:65:b9:e8:94:5f:2d:d2:f4:b1:9c:36:ec:3e:d5:f4:4f:8c:c0:73:07:6b:fb:12:b9:01:b3:31:5d:69:dd:36
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