Behavioral task
behavioral1
Sample
2024-02-23_bf271d38db5027061a65f466cfcbcd5a_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-23_bf271d38db5027061a65f466cfcbcd5a_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-23_bf271d38db5027061a65f466cfcbcd5a_cryptolocker
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Size
109KB
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MD5
bf271d38db5027061a65f466cfcbcd5a
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SHA1
a23c7a781bb637666e95f2bbd2be65a1f987b67e
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SHA256
de9ecaab33a950f98a03a7f88d31c0313382a4ce4c330501cd9000a0b615d68b
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SHA512
b8ab697f8118817844c7b47a1e996a1dc058df13e12a8b1d56b963d0211e31c54974fce3de2e7077d0d230c9a3fd574b4fc606a7960a887cb4971741f6066952
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwMghJOd:z6a+CdOOtEvwDpjczU
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 2024-02-23_bf271d38db5027061a65f466cfcbcd5a_cryptolocker
Files
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2024-02-23_bf271d38db5027061a65f466cfcbcd5a_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