Behavioral task
behavioral1
Sample
2024-03-11_b7141faa8355ab475cda7e04d924cfde_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-11_b7141faa8355ab475cda7e04d924cfde_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-11_b7141faa8355ab475cda7e04d924cfde_cryptolocker
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Size
55KB
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MD5
b7141faa8355ab475cda7e04d924cfde
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SHA1
d6bc37e81cd099de3ad97475b9c720eca2884f1e
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SHA256
3ddc2da734da223aefeab42518677d3790b8ac2004d843b32e5cb3d9da1bc842
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SHA512
0ef1f088cab98aa4f45996d4a04171884e784cc45f390501d453fcb950188f7e44238fd0bde8cbe11cb06a6148a30a77e809436d7d7791c80274d4c15421d309
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5ape:z6QFElP6n+gKmddpMOtEvwDpj9aYac
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 2024-03-11_b7141faa8355ab475cda7e04d924cfde_cryptolocker
Files
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2024-03-11_b7141faa8355ab475cda7e04d924cfde_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_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