Behavioral task
behavioral1
Sample
2024-05-13_fefffd1df2de32f8ffb104edb5fbd2d7_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-13_fefffd1df2de32f8ffb104edb5fbd2d7_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-13_fefffd1df2de32f8ffb104edb5fbd2d7_cryptolocker
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Size
84KB
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MD5
fefffd1df2de32f8ffb104edb5fbd2d7
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SHA1
f1993049ebb9e40a284b665cfdea51ed5b348a1c
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SHA256
b935d15a45c36ffe080d0589e6be05241c656d6d002d40990e6023eeb001b8ea
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SHA512
6d7aa78906e2f5ae3bf97bf1cef97e3bdecdbe94d484da5ec5087dfbdd16ad24fd0c28ebace6d2a9153c810f55ec9eea7abec23fff3c6e003cff35767de383ff
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyJS1P:zCsanOtEvwDpj1
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 2024-05-13_fefffd1df2de32f8ffb104edb5fbd2d7_cryptolocker
Files
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2024-05-13_fefffd1df2de32f8ffb104edb5fbd2d7_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