Behavioral task
behavioral1
Sample
2024-04-23_5d7c5f5ac0586a5772989b8441b36cb2_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-04-23_5d7c5f5ac0586a5772989b8441b36cb2_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-23_5d7c5f5ac0586a5772989b8441b36cb2_cryptolocker
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Size
79KB
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MD5
5d7c5f5ac0586a5772989b8441b36cb2
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SHA1
34f20d6759ca067e5de4e25697e7c15d74ceeb2c
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SHA256
6acc526280f20fde236597eafac8cb304bb6c7d9ac6e28af23ea75e07a8c0b9c
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SHA512
5c791cd589c1a699d572ae67c52910b4707d396dfd09400625ad6a0439811e4e42ae22de98c97774b9cbd07d8ca24464058a737b1c35f22994df392c48c04b6b
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdc:T6a+rdOOtEvwDpjNt2
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 2024-04-23_5d7c5f5ac0586a5772989b8441b36cb2_cryptolocker
Files
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2024-04-23_5d7c5f5ac0586a5772989b8441b36cb2_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