Behavioral task
behavioral1
Sample
2024-03-07_40b9a3b90dde9b5016d2841aacaa5e06_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-07_40b9a3b90dde9b5016d2841aacaa5e06_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-07_40b9a3b90dde9b5016d2841aacaa5e06_cryptolocker
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Size
83KB
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MD5
40b9a3b90dde9b5016d2841aacaa5e06
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SHA1
176f56f51037b70871f101f39ab3886c134297f9
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SHA256
3a7981e26f9a5705038887e7be8bd47608f25475644b9d2894ea9785f64a132b
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SHA512
c9446cf8ad9ecd099430a74eae950a9078070a02168490b6e7d7631ae770a7d9220cbb134d6e462d9852d2b5f27ebe7387424d6396541c3bfa52569c523f12e6
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyJS1nS:zCsanOtEvwDpj8
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 2024-03-07_40b9a3b90dde9b5016d2841aacaa5e06_cryptolocker
Files
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2024-03-07_40b9a3b90dde9b5016d2841aacaa5e06_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