Behavioral task
behavioral1
Sample
2024-03-27_b44b9c6e4f00a9b5a5419640dad23907_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-03-27_b44b9c6e4f00a9b5a5419640dad23907_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-27_b44b9c6e4f00a9b5a5419640dad23907_cryptolocker
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Size
117KB
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MD5
b44b9c6e4f00a9b5a5419640dad23907
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SHA1
1241f28c0453c007eb57e847d8ee30e5c9e3a64e
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SHA256
a65bf49dd0a6a4fa8de70ad137a0b7585bafa3017fd6bbdfd1adec797c665e33
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SHA512
1f836772983365ac8b7f02a065d0be61f6aa5144888450e53bb4aa138483e4f7c2093d7612ef5eeef40a01742ea372226d026eb9eff81163f7618b9113b03485
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjCGYQbN/PKwNLX9F:T6a+rdOOtEvwDpjLzZ
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 2024-03-27_b44b9c6e4f00a9b5a5419640dad23907_cryptolocker
Files
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2024-03-27_b44b9c6e4f00a9b5a5419640dad23907_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