2024-09-03_96cd3c4666bb31db5d36f6affe523ff9_cryptolocker

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General

Target

2024-09-03_96cd3c4666bb31db5d36f6affe523ff9_cryptolocker
Size

64KB
MD5

96cd3c4666bb31db5d36f6affe523ff9
SHA1

b2a8e0b05a63711e1af90a7587a2eff8b89cf424
SHA256

d7f823fb907d59ea2818d56aeb5cfd032367ba1ed3ddb7afb0fde87ac6454dfd
SHA512

951e303c06968b497ab54b6e57a9482edea6a133d08ce3467a42ad6ca7d5e6a59710cc83fcd9af79e79a8d05e0d57bc40f08f9379fd0b7ad0c7533a5d899f63f
SSDEEP

768:0Qz7yVEhs9+syJP6ntOOtEvwDpjFSXOQ69zbjlAAX5e9zS:0j+soPSMOtEvwDpjwizbR9XwzS

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

2024-09-03_96cd3c4666bb31db5d36f6affe523ff9_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

3d:11:c0:3d:2a:9e:7f:ac:32:10:1e:42:90:33:0e:a4:fd:bf:07:66:33:28:f2:cc:e6:16:0f:94:78:7f:24:d8
Signer

Actual PE Digest

3d:11:c0:3d:2a:9e:7f:ac:32:10:1e:42:90:33:0e:a4:fd:bf:07:66:33:28:f2:cc:e6:16:0f:94:78:7f:24:d8

Digest Algorithm

sha256

PE Digest Matches

false

3d:11:c0:3d:2a:9e:7f:ac:32:10:1e:42:90:33:0e:a4:fd:bf:07:66:33:28:f2:cc:e6:16:0f:94:78:7f:24:d8
Signer

Actual PE Digest

3d:11:c0:3d:2a:9e:7f:ac:32:10:1e:42:90:33:0e:a4:fd:bf:07:66:33:28:f2:cc:e6:16:0f:94:78:7f:24:d8

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

3d:11:c0:3d:2a:9e:7f:ac:32:10:1e:42:90:33:0e:a4:fd:bf:07:66:33:28:f2:cc:e6:16:0f:94:78:7f:24:d8Signer

3d:11:c0:3d:2a:9e:7f:ac:32:10:1e:42:90:33:0e:a4:fd:bf:07:66:33:28:f2:cc:e6:16:0f:94:78:7f:24:d8Signer

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

3d:11:c0:3d:2a:9e:7f:ac:32:10:1e:42:90:33:0e:a4:fd:bf:07:66:33:28:f2:cc:e6:16:0f:94:78:7f:24:d8
Signer

3d:11:c0:3d:2a:9e:7f:ac:32:10:1e:42:90:33:0e:a4:fd:bf:07:66:33:28:f2:cc:e6:16:0f:94:78:7f:24:d8
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