Behavioral task
behavioral1
Sample
2024-02-20_a4655161178bbddb5503686cb277ba77_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-20_a4655161178bbddb5503686cb277ba77_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-20_a4655161178bbddb5503686cb277ba77_cryptolocker
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Size
63KB
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MD5
a4655161178bbddb5503686cb277ba77
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SHA1
50b6fbee2919704c896fbc16d22c513bda3b7bab
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SHA256
3b820ccba6f750bbbc7b4bfe8df54343a93c9e500ac9a4ceed27ed9230422035
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SHA512
db5f20e2ed298224ed50abd5f49a50c9fd2c4861ed7fd346b219295d5e77cd81d59f3e50995bfff46b975c42b469615570b3e585ac8e8c6dac4e5c5fb287c521
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7yBEY9Su8F5mLZ5k+:zj+soPSMOtEvwDpj4kpmeLmQ+
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 2024-02-20_a4655161178bbddb5503686cb277ba77_cryptolocker
Files
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2024-02-20_a4655161178bbddb5503686cb277ba77_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