2024-09-19_cfca3d57c0918ceb93d9c290280318b0_cryptolocker

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General

Target

2024-09-19_cfca3d57c0918ceb93d9c290280318b0_cryptolocker
Size

64KB
MD5

cfca3d57c0918ceb93d9c290280318b0
SHA1

6688fb6cab3728c79dbfd9048fb5aced82c1ca62
SHA256

c401ed18eabe946fd400735ecfee56d3cfdf12cb57c5f7c04315a7b049735bdc
SHA512

c385d95d3e7daf32946d758c9684c2333335b2a42ffab92e25f9bec5e597d8cdaa137dfe9b6a3991b5b6be0f344e93023fb51f73b9d56e051e7d57a1d9894c7c
SSDEEP

768:0Qz7yVEhs9+syJP6ntOOtEvwDpjFSXOQ69zbjlAAX5e9zF:0j+soPSMOtEvwDpjwizbR9XwzF

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_cfca3d57c0918ceb93d9c290280318b0_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

af:87:1e:f0:39:38:04:69:4b:90:df:b3:ed:e7:64:5e:12:6a:e6:22:b4:85:66:74:53:bc:18:e2:cc:68:46:87
Signer

Actual PE Digest

af:87:1e:f0:39:38:04:69:4b:90:df:b3:ed:e7:64:5e:12:6a:e6:22:b4:85:66:74:53:bc:18:e2:cc:68:46:87

Digest Algorithm

sha256

PE Digest Matches

false

af:87:1e:f0:39:38:04:69:4b:90:df:b3:ed:e7:64:5e:12:6a:e6:22:b4:85:66:74:53:bc:18:e2:cc:68:46:87
Signer

Actual PE Digest

af:87:1e:f0:39:38:04:69:4b:90:df:b3:ed:e7:64:5e:12:6a:e6:22:b4:85:66:74:53:bc:18:e2:cc:68:46:87

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

af:87:1e:f0:39:38:04:69:4b:90:df:b3:ed:e7:64:5e:12:6a:e6:22:b4:85:66:74:53:bc:18:e2:cc:68:46:87Signer

af:87:1e:f0:39:38:04:69:4b:90:df:b3:ed:e7:64:5e:12:6a:e6:22:b4:85:66:74:53:bc:18:e2:cc:68:46:87Signer

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

af:87:1e:f0:39:38:04:69:4b:90:df:b3:ed:e7:64:5e:12:6a:e6:22:b4:85:66:74:53:bc:18:e2:cc:68:46:87
Signer

af:87:1e:f0:39:38:04:69:4b:90:df:b3:ed:e7:64:5e:12:6a:e6:22:b4:85:66:74:53:bc:18:e2:cc:68:46:87
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