Behavioral task
behavioral1
Sample
2024-02-11_2fb7a715098ac8c654a4cacbbac214f3_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-02-11_2fb7a715098ac8c654a4cacbbac214f3_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-02-11_2fb7a715098ac8c654a4cacbbac214f3_cryptolocker
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Size
109KB
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MD5
2fb7a715098ac8c654a4cacbbac214f3
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SHA1
1932371c57a3421c70ea6b83d367fa1083760f4c
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SHA256
6b7c69ee4cb678005f00537d73daf158b7270397a97351c11111a1e5d68cf9ce
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SHA512
85e578a0b3f0b33eb88a3806b04b69f7e2ba4a78d06ac09da08778a51fe432dd5ff8bbfa2e774c0cb1ce1fa6c28efe96b3844f37070bf291bf098e56e1e3dc41
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwMg6b:z6a+CdOOtEvwDpjczA
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 2024-02-11_2fb7a715098ac8c654a4cacbbac214f3_cryptolocker
Files
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2024-02-11_2fb7a715098ac8c654a4cacbbac214f3_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