Behavioral task
behavioral1
Sample
2024-05-24_bfcf1e2e0400173a0f319fa86ce123db_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-05-24_bfcf1e2e0400173a0f319fa86ce123db_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-24_bfcf1e2e0400173a0f319fa86ce123db_cryptolocker
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Size
57KB
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MD5
bfcf1e2e0400173a0f319fa86ce123db
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SHA1
7f5f420e320bc0d9a20e9934525d708cd0fd65a7
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SHA256
62d860dae854767df18b4f9ea20e1ae5f067b34b6236e43bc387966935a83746
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SHA512
c50e8ecb5d128faae0b17aee4027d9b5a0020c33494ce43037e3896111ca3297c83a080a85c8005f4b80530230b5ec59d57af9cd151532359b93d0642a554a97
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjlgzs:bP9g/xtCS3Dxx0ns
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
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 2024-05-24_bfcf1e2e0400173a0f319fa86ce123db_cryptolocker
Files
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2024-05-24_bfcf1e2e0400173a0f319fa86ce123db_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: 17KB - Virtual size: 24KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 12KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 9KB - 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