Behavioral task
behavioral1
Sample
2024-03-27_2919f11a278e9c2f8def4fb6ef375b65_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-27_2919f11a278e9c2f8def4fb6ef375b65_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-27_2919f11a278e9c2f8def4fb6ef375b65_cryptolocker
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Size
117KB
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MD5
2919f11a278e9c2f8def4fb6ef375b65
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SHA1
53fc5f6ec912c6d788d040e9c86e6fef54e9dad5
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SHA256
ff3957b0fb54e5c8d37baeb4a6601e2a85f1359a3470bf8344213c4cc6b9618c
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SHA512
15f6bc41ec9b7ee983d652bd5062c91b285cc37b171e144f53653c3dda300d4b7af533d6eadea9500f8b6d289d02a7b277f8d2758e8e10ac09614bc1f2d22019
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp010:z6a+CdOOtEvwDpjczi
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_2919f11a278e9c2f8def4fb6ef375b65_cryptolocker
Files
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2024-03-27_2919f11a278e9c2f8def4fb6ef375b65_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