2024-09-19_10d57b80e66e35dfd1336154fe827cc0_cryptolocker

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General

Target

2024-09-19_10d57b80e66e35dfd1336154fe827cc0_cryptolocker
Size

64KB
MD5

10d57b80e66e35dfd1336154fe827cc0
SHA1

ccb9be59fefbc82da8f545f26e9adb1fc77a3ddf
SHA256

c35cfb474f2e48718edc1de470f06b654b910b46955f4e0d4fd832867f92772e
SHA512

63a3198f2a43ac7dfde497aff92b4946531123cff479aa9b8574ff14d5696fab3443c395935541fe5e7361d3b59d30c2872a9fac52274677e7f0456bead5aa88
SSDEEP

768:0Qz7yVEhs9+syJP6ntOOtEvwDpjFSXOQ69zbjlAAX5e9zy:0j+soPSMOtEvwDpjwizbR9Xwzy

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_10d57b80e66e35dfd1336154fe827cc0_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

ba:1d:5f:84:31:43:b2:9f:e0:ca:87:81:54:0a:7f:60:02:e9:5a:2f:04:56:57:c2:af:47:3b:6a:8c:99:0d:2d
Signer

Actual PE Digest

ba:1d:5f:84:31:43:b2:9f:e0:ca:87:81:54:0a:7f:60:02:e9:5a:2f:04:56:57:c2:af:47:3b:6a:8c:99:0d:2d

Digest Algorithm

sha256

PE Digest Matches

false

ba:1d:5f:84:31:43:b2:9f:e0:ca:87:81:54:0a:7f:60:02:e9:5a:2f:04:56:57:c2:af:47:3b:6a:8c:99:0d:2d
Signer

Actual PE Digest

ba:1d:5f:84:31:43:b2:9f:e0:ca:87:81:54:0a:7f:60:02:e9:5a:2f:04:56:57:c2:af:47:3b:6a:8c:99:0d:2d

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

ba:1d:5f:84:31:43:b2:9f:e0:ca:87:81:54:0a:7f:60:02:e9:5a:2f:04:56:57:c2:af:47:3b:6a:8c:99:0d:2dSigner

ba:1d:5f:84:31:43:b2:9f:e0:ca:87:81:54:0a:7f:60:02:e9:5a:2f:04:56:57:c2:af:47:3b:6a:8c:99:0d:2dSigner

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

ba:1d:5f:84:31:43:b2:9f:e0:ca:87:81:54:0a:7f:60:02:e9:5a:2f:04:56:57:c2:af:47:3b:6a:8c:99:0d:2d
Signer

ba:1d:5f:84:31:43:b2:9f:e0:ca:87:81:54:0a:7f:60:02:e9:5a:2f:04:56:57:c2:af:47:3b:6a:8c:99:0d:2d
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