Behavioral task
behavioral1
Sample
2024-02-20_1555a27fe85a7a2b70ab4741c7a4a5af_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-02-20_1555a27fe85a7a2b70ab4741c7a4a5af_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-20_1555a27fe85a7a2b70ab4741c7a4a5af_cryptolocker
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Size
81KB
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MD5
1555a27fe85a7a2b70ab4741c7a4a5af
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SHA1
2e7ff698469b824a11040ac2e48feaeaf1c01bc9
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SHA256
2022332aac30cc74815c3ffb2ed50673ec9e7ef77b5ede53f4ceda63f550cd6e
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SHA512
dfdbc9b6adc89befb59343f1f937f3988fed069896af6885489eb61f91cdd43dcb1c852b00006e0cd924cf4b1c3e15fdf9a37e4ccf023dc9382fae6aa2f5ad8b
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOT7WsG:T6a+rdOOtEvwDpjNu
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 2024-02-20_1555a27fe85a7a2b70ab4741c7a4a5af_cryptolocker
Files
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2024-02-20_1555a27fe85a7a2b70ab4741c7a4a5af_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_CODE
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