Behavioral task
behavioral1
Sample
2024-01-27_a56ddb9478a643c1ffd6fe02957349fa_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-01-27_a56ddb9478a643c1ffd6fe02957349fa_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-01-27_a56ddb9478a643c1ffd6fe02957349fa_cryptolocker
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Size
107KB
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MD5
a56ddb9478a643c1ffd6fe02957349fa
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SHA1
8213f3dd63901c4ac6489d26e42b279e3b09ad5b
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SHA256
8dfe49da8a05b0a03136a58bdedf16e3f7a055f7e1da1763947b90063b8ef150
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SHA512
97ecaf11f12a9eca7eabf3ecf4fdb17ade90939746c3ca05bdc451d71928da68a964e13ab192ceb9a07dc57db6e9a4c92ac140e22d5d2064326186d1a9dec249
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwMgs: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 2024-01-27_a56ddb9478a643c1ffd6fe02957349fa_cryptolocker
Files
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2024-01-27_a56ddb9478a643c1ffd6fe02957349fa_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