2024-09-19_0aa5622f940dd4bf1e3f8685124ab1be_cryptolocker

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General

Target

2024-09-19_0aa5622f940dd4bf1e3f8685124ab1be_cryptolocker
Size

64KB
MD5

0aa5622f940dd4bf1e3f8685124ab1be
SHA1

619727f1b7cbcebd0c30309deb3364353f50c470
SHA256

e299aed38d273d86e7e6100882950e754b0d924a904058c5ea69c7f3324a5af7
SHA512

03732850ca7301c5a0a09dd4c96ccf5b017752c0365b3d1cf62635ecdaf633e9da4dedcc68c5ca500808b15fea03b86d8830bca1ef75015bc21efd09f4eb3a5a
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

2024-09-19_0aa5622f940dd4bf1e3f8685124ab1be_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

db:df:c1:41:ee:27:b8:0e:9a:61:fa:13:d8:37:73:f0:af:c4:6b:c7:32:b6:09:c4:ae:26:bf:19:07:a1:b0:ab
Signer

Actual PE Digest

db:df:c1:41:ee:27:b8:0e:9a:61:fa:13:d8:37:73:f0:af:c4:6b:c7:32:b6:09:c4:ae:26:bf:19:07:a1:b0:ab

Digest Algorithm

sha256

PE Digest Matches

false

db:df:c1:41:ee:27:b8:0e:9a:61:fa:13:d8:37:73:f0:af:c4:6b:c7:32:b6:09:c4:ae:26:bf:19:07:a1:b0:ab
Signer

Actual PE Digest

db:df:c1:41:ee:27:b8:0e:9a:61:fa:13:d8:37:73:f0:af:c4:6b:c7:32:b6:09:c4:ae:26:bf:19:07:a1:b0:ab

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

db:df:c1:41:ee:27:b8:0e:9a:61:fa:13:d8:37:73:f0:af:c4:6b:c7:32:b6:09:c4:ae:26:bf:19:07:a1:b0:abSigner

db:df:c1:41:ee:27:b8:0e:9a:61:fa:13:d8:37:73:f0:af:c4:6b:c7:32:b6:09:c4:ae:26:bf:19:07:a1:b0:abSigner

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

db:df:c1:41:ee:27:b8:0e:9a:61:fa:13:d8:37:73:f0:af:c4:6b:c7:32:b6:09:c4:ae:26:bf:19:07:a1:b0:ab
Signer

db:df:c1:41:ee:27:b8:0e:9a:61:fa:13:d8:37:73:f0:af:c4:6b:c7:32:b6:09:c4:ae:26:bf:19:07:a1:b0:ab
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