Behavioral task
behavioral1
Sample
2024-02-17_b5bf4f614f186fd2cf59dc35e40f19ac_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-17_b5bf4f614f186fd2cf59dc35e40f19ac_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-17_b5bf4f614f186fd2cf59dc35e40f19ac_cryptolocker
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Size
77KB
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MD5
b5bf4f614f186fd2cf59dc35e40f19ac
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SHA1
2ab57d4a73608a3c10734ae7f0e0fa1fbcdacc67
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SHA256
f91c3b2a9530992d49a0e57f5c6bed7d231c2ae5a256bb8c1aa98df40f5de9fc
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SHA512
bd04886d69a911cb5272d41db0e6fe43da3d111644c6d226d8bf7c12540a88f545d37f917589692b07c6f99a8fe29f03734ab9421c73604b2a66fd2985e1623c
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOA+YSafiPu0:T6a+rdOOtEvwDpjNcK
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 2024-02-17_b5bf4f614f186fd2cf59dc35e40f19ac_cryptolocker
Files
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2024-02-17_b5bf4f614f186fd2cf59dc35e40f19ac_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