2024-09-14_4f913b2986c7bb66cc74db17a42f1ecc_cryptolocker

Sharing

Copy URL Twitter E-mail

General

Target

2024-09-14_4f913b2986c7bb66cc74db17a42f1ecc_cryptolocker
Size

64KB
MD5

4f913b2986c7bb66cc74db17a42f1ecc
SHA1

83e35c79f7a7c02c6403bb1aaf7760cfe6b027dd
SHA256

4f874a715844acc84c22977f08fcbfae9153d960f949f7b6f506b984cb9dc87b
SHA512

6e7dca248395b231d7a6b1abca982172ff5b7de30af71ab0bf30102a47774eab8d84bc0811f05b9535e7630896838c9a6cee54d3cd16664d0509ddb697bff672
SSDEEP

768:0Qz7yVEhs9+syJP6ntOOtEvwDpjFSXOQ69zbjlAAX5e9z3:0j+soPSMOtEvwDpjwizbR9Xwz3

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

2024-09-14_4f913b2986c7bb66cc74db17a42f1ecc_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

95:51:10:7c:de:af:31:5f:52:f2:bf:be:2f:ba:07:96:43:b5:67:dc:39:ff:7b:26:05:90:66:10:c8:c6:8b:d3
Signer

Actual PE Digest

95:51:10:7c:de:af:31:5f:52:f2:bf:be:2f:ba:07:96:43:b5:67:dc:39:ff:7b:26:05:90:66:10:c8:c6:8b:d3

Digest Algorithm

sha256

PE Digest Matches

false

95:51:10:7c:de:af:31:5f:52:f2:bf:be:2f:ba:07:96:43:b5:67:dc:39:ff:7b:26:05:90:66:10:c8:c6:8b:d3
Signer

Actual PE Digest

95:51:10:7c:de:af:31:5f:52:f2:bf:be:2f:ba:07:96:43:b5:67:dc:39:ff:7b:26:05:90:66:10:c8:c6:8b:d3

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

95:51:10:7c:de:af:31:5f:52:f2:bf:be:2f:ba:07:96:43:b5:67:dc:39:ff:7b:26:05:90:66:10:c8:c6:8b:d3Signer

95:51:10:7c:de:af:31:5f:52:f2:bf:be:2f:ba:07:96:43:b5:67:dc:39:ff:7b:26:05:90:66:10:c8:c6:8b:d3Signer

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

95:51:10:7c:de:af:31:5f:52:f2:bf:be:2f:ba:07:96:43:b5:67:dc:39:ff:7b:26:05:90:66:10:c8:c6:8b:d3
Signer

95:51:10:7c:de:af:31:5f:52:f2:bf:be:2f:ba:07:96:43:b5:67:dc:39:ff:7b:26:05:90:66:10:c8:c6:8b:d3
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