2024-10-09_db90e3ea146ff7cfee443f88ae85a5b4_cryptolocker

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General

Target

2024-10-09_db90e3ea146ff7cfee443f88ae85a5b4_cryptolocker
Size

63KB
MD5

db90e3ea146ff7cfee443f88ae85a5b4
SHA1

5e79070ae3e8883aeb601a01e5a28a8385f75b44
SHA256

d7acf8d73f83f00fac0fc2d00786e2f5918ede9eaf0dcb29197d3a55b507fd02
SHA512

f1353b3b8d09fd3164f392dd829d84d2db03c923881532613e05d95fa7370518b508bc4f747862e902d7add2b12ccbf5f7d32b19067f6a4c23d99a6458af7c47
SSDEEP

768:0Qz7yVEhs9+syJP6ntOOtEvwDpjFSXOQ69zbjlAAX5e9z9n:0j+soPSMOtEvwDpjwizbR9Xwz9n

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_db90e3ea146ff7cfee443f88ae85a5b4_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

91:f7:b8:92:94:59:79:a0:59:c1:8b:b4:0c:07:50:ab:60:c6:82:0a:2d:36:2e:6a:24:43:b3:bb:b4:5f:b3:35
Signer

Actual PE Digest

91:f7:b8:92:94:59:79:a0:59:c1:8b:b4:0c:07:50:ab:60:c6:82:0a:2d:36:2e:6a:24:43:b3:bb:b4:5f:b3:35

Digest Algorithm

sha256

PE Digest Matches

false

91:f7:b8:92:94:59:79:a0:59:c1:8b:b4:0c:07:50:ab:60:c6:82:0a:2d:36:2e:6a:24:43:b3:bb:b4:5f:b3:35
Signer

Actual PE Digest

91:f7:b8:92:94:59:79:a0:59:c1:8b:b4:0c:07:50:ab:60:c6:82:0a:2d:36:2e:6a:24:43:b3:bb:b4:5f:b3:35

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

91:f7:b8:92:94:59:79:a0:59:c1:8b:b4:0c:07:50:ab:60:c6:82:0a:2d:36:2e:6a:24:43:b3:bb:b4:5f:b3:35Signer

91:f7:b8:92:94:59:79:a0:59:c1:8b:b4:0c:07:50:ab:60:c6:82:0a:2d:36:2e:6a:24:43:b3:bb:b4:5f:b3:35Signer

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

91:f7:b8:92:94:59:79:a0:59:c1:8b:b4:0c:07:50:ab:60:c6:82:0a:2d:36:2e:6a:24:43:b3:bb:b4:5f:b3:35
Signer

91:f7:b8:92:94:59:79:a0:59:c1:8b:b4:0c:07:50:ab:60:c6:82:0a:2d:36:2e:6a:24:43:b3:bb:b4:5f:b3:35
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