Behavioral task
behavioral1
Sample
2024-02-22_981c5a256d9f7d8888bb60615f08d9b1_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-02-22_981c5a256d9f7d8888bb60615f08d9b1_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-22_981c5a256d9f7d8888bb60615f08d9b1_cryptolocker
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Size
117KB
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MD5
981c5a256d9f7d8888bb60615f08d9b1
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SHA1
dd103702b40a8a2419ae34c6c43a209ce0f74c81
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SHA256
e49ed90d470c0f33d1ca3b41fb2d9569539bedb7727e06c375c41f8435ad66dd
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SHA512
9fdc92ec456e53185f59a97c65ff9ec0e8fae80ac004b5b1a4804b1cda91ccab4f2701d6a6eab9a43e8742a3f04902800e04c2096c4f600f08c14d966f555f73
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp01m:z6a+CdOOtEvwDpjczo
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 2024-02-22_981c5a256d9f7d8888bb60615f08d9b1_cryptolocker
Files
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2024-02-22_981c5a256d9f7d8888bb60615f08d9b1_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_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