Behavioral task
behavioral1
Sample
2024-03-25_5f658940bf4641ccd665c50e92ee3145_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-25_5f658940bf4641ccd665c50e92ee3145_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-25_5f658940bf4641ccd665c50e92ee3145_cryptolocker
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Size
69KB
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MD5
5f658940bf4641ccd665c50e92ee3145
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SHA1
e07037e5e805d6688b0a73712e62fd051ef8bb5c
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SHA256
a8bd8818201fc07904ceea26f2105cf8a0c17689a2f365ea648e9d759f4b4d6b
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SHA512
0babfefddc9dc5208ef81bb04148506f5ba73339ce68d0c31afd9a439848906a92c38f7cdebd0302fedab74a9203b03c992eb2dd0c1cbba2c5bc0a63c742c24f
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj9aYaFAeBmh:z6a+CdOOtEvwDpjQS
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 2024-03-25_5f658940bf4641ccd665c50e92ee3145_cryptolocker
Files
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2024-03-25_5f658940bf4641ccd665c50e92ee3145_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