Behavioral task
behavioral1
Sample
2024-02-25_86db68b38db6997c1a1ed2e8a992b540_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-25_86db68b38db6997c1a1ed2e8a992b540_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-25_86db68b38db6997c1a1ed2e8a992b540_cryptolocker
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Size
92KB
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MD5
86db68b38db6997c1a1ed2e8a992b540
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SHA1
20859d88a19763b8ecc3461fd84f449c8e4ed6e5
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SHA256
891c097a9647dd9924a6a45a69ba68b1c6ffb536fb5e1252af24f52b50a0d9fe
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SHA512
cdad9eb62ea02feb4547138431ff1b7a52ba91a80069d58abdfdb9b765bbaa5a247efcbc3d0ba646788d38e6ea4011c52b9ac2be9769615833847a41261f3b18
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjgx/j:zCsanOtEvwDpjBj
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 2024-02-25_86db68b38db6997c1a1ed2e8a992b540_cryptolocker
Files
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2024-02-25_86db68b38db6997c1a1ed2e8a992b540_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