Behavioral task
behavioral1
Sample
2024-04-09_b9fc34c4fb2a40d045757a9473932990_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-09_b9fc34c4fb2a40d045757a9473932990_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-09_b9fc34c4fb2a40d045757a9473932990_cryptolocker
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Size
80KB
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MD5
b9fc34c4fb2a40d045757a9473932990
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SHA1
fd72c659fde0aa5b973fe7fdcad54d687c6c0dc6
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SHA256
35f7f03a83f34a3e6d9f27b88fc55811dfa17f1e28805070a6a01b8e4bf38eb8
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SHA512
f0dfe276ebe20324fd2c52a8aae94abc9353e68a2ed83d8c3abd2b8f2e65064881dff3fed9c1c7b503d1edfca0b10f940004bb875996eb09547e1dc00edff691
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1ky7Qp2CE0:zCsanOtEvwDpjP
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 2024-04-09_b9fc34c4fb2a40d045757a9473932990_cryptolocker
Files
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2024-04-09_b9fc34c4fb2a40d045757a9473932990_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