Behavioral task
behavioral1
Sample
2024-05-04_7fdd7b41c428c6798ccc45af1e29fe0c_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-04_7fdd7b41c428c6798ccc45af1e29fe0c_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-05-04_7fdd7b41c428c6798ccc45af1e29fe0c_cryptolocker
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Size
66KB
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MD5
7fdd7b41c428c6798ccc45af1e29fe0c
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SHA1
24eb5112113faa0d4eaf7c52e1e5ae49cd269598
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SHA256
5c33e21c3c7e81956bd2ecef3d757d1aee4d1a2563af89c0110b9c3e8534df4b
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SHA512
ed497e5868c0ebc7f689783f97a4995939d1ccc925eeeb6c1c40929733316f3eb832a96f43738148f1099474fe1ed190121dd87beb1a96acb0a30bc6e182c4ad
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7yBEY9Su8F5mLZ5k5B1:zj+soPSMOtEvwDpj4kpmeLmQ/1
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule sample CryptoLocker_set1 -
UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule sample UPX -
resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-05-04_7fdd7b41c428c6798ccc45af1e29fe0c_cryptolocker
Files
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2024-05-04_7fdd7b41c428c6798ccc45af1e29fe0c_cryptolocker.exe windows:5 windows x86 arch:x86
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