Behavioral task
behavioral1
Sample
2024-01-25_4bfa6f2cdb29c6516ff728b3f4fe552c_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-01-25_4bfa6f2cdb29c6516ff728b3f4fe552c_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-25_4bfa6f2cdb29c6516ff728b3f4fe552c_cryptolocker
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Size
97KB
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MD5
4bfa6f2cdb29c6516ff728b3f4fe552c
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SHA1
39de9a5ca732e55096dd1955522d08f40b67fd71
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SHA256
a92a8661305140b3e21d3c70b2dbbe267b5831e060401cf1b326218391c1d34d
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SHA512
dd05eb6a1aceec73cd6547e445dc7c21f84fcf3209f3e89085b0a83fc9c71054896991d07568215af8f4789768932ec990345400252545a47c9cac78962b1eab
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjuvQW:zCsanOtEvwDpjt
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 2024-01-25_4bfa6f2cdb29c6516ff728b3f4fe552c_cryptolocker
Files
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2024-01-25_4bfa6f2cdb29c6516ff728b3f4fe552c_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