Behavioral task
behavioral1
Sample
2024-02-28_b48142f7410d8336280245ae4252fcde_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-28_b48142f7410d8336280245ae4252fcde_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-02-28_b48142f7410d8336280245ae4252fcde_cryptolocker
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Size
116KB
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MD5
b48142f7410d8336280245ae4252fcde
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SHA1
74d131607f999d9aa6d83f27e6ea375144ad4a8a
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SHA256
5ef798ae80987477611233103130a99db51dd55d1d094695a74b948d30e11b1c
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SHA512
626414dff4d2769790f4bb4b979440f9020910edc4ac69b0e90e332957fc24598e899eebe3ef2240fa822567c4f5f88793b1d506c0d21e388434963e84b3116d
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp01ah:z6a+CdOOtEvwDpjczc
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 2024-02-28_b48142f7410d8336280245ae4252fcde_cryptolocker
Files
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2024-02-28_b48142f7410d8336280245ae4252fcde_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