Behavioral task
behavioral1
Sample
2024-04-24_a7fa7821fe7d0a1f4a1d158be35ec177_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-04-24_a7fa7821fe7d0a1f4a1d158be35ec177_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-24_a7fa7821fe7d0a1f4a1d158be35ec177_cryptolocker
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Size
96KB
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MD5
a7fa7821fe7d0a1f4a1d158be35ec177
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SHA1
d8344f8cb05eeaab053eb5545805ddccb9537c7b
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SHA256
5067e41c9ebf33cd44fc8833bd9382ca3e262a0887ce85034fd0edc41e1aef46
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SHA512
871e44f84a517f6707e67f8603e39ff022fae405fe706ac63a49e5db05718f802a7ef2d3d61d10d001136ef54840fb63cbf29c38c8d084b99f74ce8d32fe024b
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjgx/bQ:zCsanOtEvwDpjBU
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 2024-04-24_a7fa7821fe7d0a1f4a1d158be35ec177_cryptolocker
Files
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2024-04-24_a7fa7821fe7d0a1f4a1d158be35ec177_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