2024-09-09_377f37d319a3c26b53117b821e9c7303_cryptolocker

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General

Target

2024-09-09_377f37d319a3c26b53117b821e9c7303_cryptolocker
Size

64KB
MD5

377f37d319a3c26b53117b821e9c7303
SHA1

b015464df657104b556d43724e7d060c67736a53
SHA256

d5b7a81b12ce158217b45301eef522b8391a2d55ab229600e8247745be6c74f2
SHA512

198c0f4cdca2feca302d35b0b3e49fbba3aa34d00a96068c35f48ba0e8c90b39d06fc4c482e0b9ccb1469256e706902c5f983888298e6e737429e2fdcc5b955d
SSDEEP

768:0Qz7yVEhs9+syJP6ntOOtEvwDpjFSXOQ69zbjlAAX5e9zw:0j+soPSMOtEvwDpjwizbR9Xwzw

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

2024-09-09_377f37d319a3c26b53117b821e9c7303_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

bf:dc:6f:05:39:b3:ec:58:cc:7e:ba:28:a5:4e:bc:47:0c:0d:77:6f:f3:4c:a4:5b:de:58:c6:96:e7:9b:45:e4
Signer

Actual PE Digest

bf:dc:6f:05:39:b3:ec:58:cc:7e:ba:28:a5:4e:bc:47:0c:0d:77:6f:f3:4c:a4:5b:de:58:c6:96:e7:9b:45:e4

Digest Algorithm

sha256

PE Digest Matches

false

bf:dc:6f:05:39:b3:ec:58:cc:7e:ba:28:a5:4e:bc:47:0c:0d:77:6f:f3:4c:a4:5b:de:58:c6:96:e7:9b:45:e4
Signer

Actual PE Digest

bf:dc:6f:05:39:b3:ec:58:cc:7e:ba:28:a5:4e:bc:47:0c:0d:77:6f:f3:4c:a4:5b:de:58:c6:96:e7:9b:45:e4

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

bf:dc:6f:05:39:b3:ec:58:cc:7e:ba:28:a5:4e:bc:47:0c:0d:77:6f:f3:4c:a4:5b:de:58:c6:96:e7:9b:45:e4Signer

bf:dc:6f:05:39:b3:ec:58:cc:7e:ba:28:a5:4e:bc:47:0c:0d:77:6f:f3:4c:a4:5b:de:58:c6:96:e7:9b:45:e4Signer

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

bf:dc:6f:05:39:b3:ec:58:cc:7e:ba:28:a5:4e:bc:47:0c:0d:77:6f:f3:4c:a4:5b:de:58:c6:96:e7:9b:45:e4
Signer

bf:dc:6f:05:39:b3:ec:58:cc:7e:ba:28:a5:4e:bc:47:0c:0d:77:6f:f3:4c:a4:5b:de:58:c6:96:e7:9b:45:e4
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