Behavioral task
behavioral1
Sample
2024-02-25_ff22ace6be57954b60291201fa6e7a57_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-02-25_ff22ace6be57954b60291201fa6e7a57_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-25_ff22ace6be57954b60291201fa6e7a57_cryptolocker
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Size
119KB
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MD5
ff22ace6be57954b60291201fa6e7a57
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SHA1
cb5d201b30cf369f4f60695d2e9fa4e2bc3d614e
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SHA256
35cb1511e1623643787ac11c124e79ee3758775cd4bc78682327203b96d1fb5e
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SHA512
cbbbf7a9ebddcba9b89cc82bfc629dddd90e2ea69277a4286786e00c3dad1b1fbccf0648f023b588a2c0bce44e3b5c7ddcf1bbcaed3e8aa5d99f2b2ca2aed6f3
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp01QaGs:z6a+CdOOtEvwDpjczl
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 2024-02-25_ff22ace6be57954b60291201fa6e7a57_cryptolocker
Files
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2024-02-25_ff22ace6be57954b60291201fa6e7a57_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