Behavioral task
behavioral1
Sample
2024-05-14_7f43478eb0b6bf36ab9f4fff87a3b60b_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-14_7f43478eb0b6bf36ab9f4fff87a3b60b_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-14_7f43478eb0b6bf36ab9f4fff87a3b60b_cryptolocker
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Size
89KB
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MD5
7f43478eb0b6bf36ab9f4fff87a3b60b
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SHA1
372724c084a55697453a21e5e32557af6c7cde66
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SHA256
765f0274b114cc76d13eb04cd48d7c8d6b607ea79548da7190fe4442d724763e
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SHA512
d228c29d170ac321160e3ad37eb9d5cf508e0f289dde9e9156ba256b9f33540bf95bf844ac1afe8e2124f5967ea4e9fc3348fe011a117bc7b4cb9621d8c3521f
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRMy8tyblN:zCsanOtEvwDpjO
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 2024-05-14_7f43478eb0b6bf36ab9f4fff87a3b60b_cryptolocker
Files
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2024-05-14_7f43478eb0b6bf36ab9f4fff87a3b60b_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