Behavioral task
behavioral1
Sample
2024-04-28_18f477123fb1528be83ffb8ab234cc2d_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-04-28_18f477123fb1528be83ffb8ab234cc2d_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-28_18f477123fb1528be83ffb8ab234cc2d_cryptolocker
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Size
80KB
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MD5
18f477123fb1528be83ffb8ab234cc2d
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SHA1
61bb98502a6e6a2fc18693611d0eb27cf44e1393
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SHA256
4e18de885702f9e39e7d0a2a2bb61e2e3f489cae623a7b0ea5f4df19b644fccd
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SHA512
939bb5c9af28f60465d65203baf8219895d983d17813d410d79c39e276ec49ea3c37bde2a3167c27b9bb05590a5b876c11d8ed08eb5ccb0cf75eacd7e6d54657
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBd7:T6a+rdOOtEvwDpjNtN
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 2024-04-28_18f477123fb1528be83ffb8ab234cc2d_cryptolocker
Files
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2024-04-28_18f477123fb1528be83ffb8ab234cc2d_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