Behavioral task
behavioral1
Sample
2024-02-12_4579a77952f1a6e8aac2fd19e9554fec_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-12_4579a77952f1a6e8aac2fd19e9554fec_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-12_4579a77952f1a6e8aac2fd19e9554fec_cryptolocker
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Size
116KB
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MD5
4579a77952f1a6e8aac2fd19e9554fec
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SHA1
64ae5a36594190ef2ef81e75375c2de612dae7c2
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SHA256
f77024cafe3545c60b79fe62dfbc6b5d817bb9606c6ee2af2ca9666be9bac83d
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SHA512
5976e6c1490cfd005a87b19ce8ef4bfa3f5e358ddb06d43a647327e6c5394b15511f949dcf1aec5768692e447cedd4d291b62eee227ec31297014ccc540ed490
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjCGYQbN/PKwNgerar/cf:T6a+rdOOtEvwDpjLzd
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 2024-02-12_4579a77952f1a6e8aac2fd19e9554fec_cryptolocker
Files
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2024-02-12_4579a77952f1a6e8aac2fd19e9554fec_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