Behavioral task
behavioral1
Sample
2024-03-07_9bf31d4fa82bf08530f140f275050222_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-07_9bf31d4fa82bf08530f140f275050222_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-07_9bf31d4fa82bf08530f140f275050222_cryptolocker
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Size
117KB
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MD5
9bf31d4fa82bf08530f140f275050222
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SHA1
ed54a9d281219f3dfaa0e4d1c1ad77a9359a3365
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SHA256
477f29ca83d663b7ce7b0aaa76379d5e62f69e44f9388281ed5cc5cf0e1e9d4d
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SHA512
633b88b9fb07421883a80d0d0037d1e5b191cdb500fe322e9b8368d9654a19aff892183b383d01e6b956cf4670abf4c4fe87f978324a54658421dec0bb3fbbcb
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjCGYQbN/PKwNgerar/+l:T6a+rdOOtEvwDpjLzH
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 2024-03-07_9bf31d4fa82bf08530f140f275050222_cryptolocker
Files
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2024-03-07_9bf31d4fa82bf08530f140f275050222_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