Behavioral task
behavioral1
Sample
2024-02-29_621cff6f237692471252c4a0bb0bf9b2_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-29_621cff6f237692471252c4a0bb0bf9b2_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-02-29_621cff6f237692471252c4a0bb0bf9b2_cryptolocker
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Size
148KB
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MD5
621cff6f237692471252c4a0bb0bf9b2
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SHA1
4ad819eae158e682d811970e4b354c40ddea9802
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SHA256
fd8a9c44dd5e49cd83dd3b9e3785ae08d788aca93139ddbcfca3b498822e6121
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SHA512
2cc1f9b434c79db6ac7023021d6a0da15d44cbb271a79fd42bd55c309b410b212b13f4e4aa184a2b0066fe06e84f07b1cd634491b720445d61190e8e29c2792e
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp699GNtL1eoQ:z6a+CdOOtEvwDpjcz1
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 2024-02-29_621cff6f237692471252c4a0bb0bf9b2_cryptolocker
Files
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2024-02-29_621cff6f237692471252c4a0bb0bf9b2_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