Behavioral task
behavioral1
Sample
2024-04-21_789b70b45e4f32f7b0d2f22bf156b3b1_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-04-21_789b70b45e4f32f7b0d2f22bf156b3b1_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-21_789b70b45e4f32f7b0d2f22bf156b3b1_cryptolocker
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Size
110KB
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MD5
789b70b45e4f32f7b0d2f22bf156b3b1
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SHA1
66c37c35e1d6c61b868ae3d5bbf630112184d148
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SHA256
58a4ea618e233aea6b814b787132d4bfe7b65da48d06a435718d78c7ee218424
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SHA512
c351531c7c922e4d9132b7a40aefe5f398106c8b32476e925520c4680f0f7087b5560a27cf614e9b7407eb880d13b9173add3aa93a0d5caed1eae8f0c86c705b
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwMghJOvjU:z6a+CdOOtEvwDpjczB
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 2024-04-21_789b70b45e4f32f7b0d2f22bf156b3b1_cryptolocker
Files
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2024-04-21_789b70b45e4f32f7b0d2f22bf156b3b1_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