Behavioral task
behavioral1
Sample
2024-06-03_b855162c602793ef7ffe7056bdc59284_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-06-03_b855162c602793ef7ffe7056bdc59284_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-06-03_b855162c602793ef7ffe7056bdc59284_cryptolocker
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Size
85KB
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MD5
b855162c602793ef7ffe7056bdc59284
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SHA1
835e997b1c7f733f730c759b733cca877f48123b
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SHA256
a100129b5825b17909f7f6e13a8e8e83045e70a7061d4cfb7edf61cfcdc8c424
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SHA512
1781cb3b2fa1d3540b4d9e1103652c5db05bd61d6aa31a35d5e94e20127532e96b0d4a3cead90fb0257e740d61339fbecf783f53f386b7f22edeee893894a02e
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyJS1T:zCsanOtEvwDpjJ
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 2024-06-03_b855162c602793ef7ffe7056bdc59284_cryptolocker
Files
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2024-06-03_b855162c602793ef7ffe7056bdc59284_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