2024-10-09_2e985a6b2c859e94865129891d8546c2_cryptolocker

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General

Target

2024-10-09_2e985a6b2c859e94865129891d8546c2_cryptolocker
Size

63KB
MD5

2e985a6b2c859e94865129891d8546c2
SHA1

4dd6a5efbbd900845a8895bc8fbda7e4b4d365a0
SHA256

458495aea2bfe50234b8df08f0b91709e92d71e7e083d994b8b9e220dec132e0
SHA512

4fd41bf447350985a44757e49854f2210f41b6ba1aafbe6d9494c47245ba7682a56ef4e1f67991a2d079a41a8edb481dd7dbf7c6e0c5a9e999cd3be900f30316
SSDEEP

768:0Qz7yVEhs9+syJP6ntOOtEvwDpjFSXOQ69zbjlAAX5e9z9/:0j+soPSMOtEvwDpjwizbR9Xwz9/

Score

5^/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

2024-10-09_2e985a6b2c859e94865129891d8546c2_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

f7:e8:52:78:7e:49:d7:9f:b8:9d:e1:00:59:fa:6d:e0:ed:d1:f5:b5:7f:ac:c8:53:bd:7e:26:92:f3:b4:c6:0f
Signer

Actual PE Digest

f7:e8:52:78:7e:49:d7:9f:b8:9d:e1:00:59:fa:6d:e0:ed:d1:f5:b5:7f:ac:c8:53:bd:7e:26:92:f3:b4:c6:0f

Digest Algorithm

sha256

PE Digest Matches

false

f7:e8:52:78:7e:49:d7:9f:b8:9d:e1:00:59:fa:6d:e0:ed:d1:f5:b5:7f:ac:c8:53:bd:7e:26:92:f3:b4:c6:0f
Signer

Actual PE Digest

f7:e8:52:78:7e:49:d7:9f:b8:9d:e1:00:59:fa:6d:e0:ed:d1:f5:b5:7f:ac:c8:53:bd:7e:26:92:f3:b4:c6:0f

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

f7:e8:52:78:7e:49:d7:9f:b8:9d:e1:00:59:fa:6d:e0:ed:d1:f5:b5:7f:ac:c8:53:bd:7e:26:92:f3:b4:c6:0fSigner

f7:e8:52:78:7e:49:d7:9f:b8:9d:e1:00:59:fa:6d:e0:ed:d1:f5:b5:7f:ac:c8:53:bd:7e:26:92:f3:b4:c6:0fSigner

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

f7:e8:52:78:7e:49:d7:9f:b8:9d:e1:00:59:fa:6d:e0:ed:d1:f5:b5:7f:ac:c8:53:bd:7e:26:92:f3:b4:c6:0f
Signer

f7:e8:52:78:7e:49:d7:9f:b8:9d:e1:00:59:fa:6d:e0:ed:d1:f5:b5:7f:ac:c8:53:bd:7e:26:92:f3:b4:c6:0f
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